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Zenith XBV613 Service Manual

Zenith XBV613 - DVD/VCR Combination Manual

UPC - 719192169715

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Zenith XBV613 | Service Manual - Page 1
: XBV613 SERVICE MANUAL Product Type: VCR+DVD COMBI Chassis: D37 + DP-10C Manual Series: XBV613 Manual Part #: 3829RGN005G Model Line: D Product Year: 2006 Model Series: XBV613 Printed in U.S.A CONTENTS SUMMARY 1 CABINET & MAIN CHASSIS 2 ELECTRICAL 3 MECHANISM OF VCR PART 4 REPLACEMENT PARTS
Zenith XBV613 | Service Manual - Page 2
CONTENTS SECTION 1 . . . . SUMMARY SECTION 2 . . . . CABINET & MAIN CHASSIS SECTION 3 . . . . ELECTRICAL SECTION 4 . . . . MECHANISM OF VCR PART SECTION 5 . . . . REPLACEMENT PARTS LIST
Zenith XBV613 | Service Manual - Page 3
SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1-3 SERVICING PRECAUTIONS 1-4 • General Servicing Precautions • Insulation Checking Prodedure • Electrostatically Sensitive Devices SERVICE INFORMATION FOR EEPROM 1-5 SPECIFICATIONS ...1-6
Zenith XBV613 | Service Manual - Page 4
SERVICE ORGANIZATION REVIEW TEST PROCEDURES SO THAT VOLTAGE REGULATION IS ALWAYS CHECKED AS A STANDARD SERVICING PROCEDURE. AND THAT THE HIGH VOLTAGE READING BE RECORDER ON EACH CUSTOMER'S INVOICE. 5. WHEN TROUBLESHOOTING AND MAKING TEST MEASUREMENTS IN A PRODUCT WITH A PROBLEM INSTRUCTIONS SPECIFIC
Zenith XBV613 | Service Manual - Page 5
interlocks with whitch instruments covered by this service manual might be equipped. 5. Do not apply AC power to this VCR+DVD and/or any of its electrical assemblies plug and accessible conductive parts (Note 1) should be more than 1Mohm. Note 1 : Accessible Conductive Parts including Metal panels,
Zenith XBV613 | Service Manual - Page 6
XBV613 NAME HEX OPT 1 55 OPT 2 53 OPT 3 00 OPT 4 45 OPT 5 12 OPT 6 05 OPT 7 E4 OPT 8 00 OPT 9 00 OPT A 00 OPT B C0 OPT C 40 OPT D A0 OPT E 01 OPT F 03 OPT G 3D Change will be applied when power OFF-->ON. * OPTION • NTSC model doesn't have VCR option and use DVD
Zenith XBV613 | Service Manual - Page 7
jack (L, R) x 2 •OUTPUTS VIDEO OUT S-VIDEO OUT COMPONENT VIDEO OUT (PROGRESSIVE SCAN) Audio output (digital audio) Audio output (analog audio) RF OUT jack (L, R) x 1 Channel 3 or 4 (Adjustable) • VCR SPECIFICATIONS Head system Timer Tape speed Tape width Maximum recording time Rewind time Channel
Zenith XBV613 | Service Manual - Page 8
SECTION 2 CABINET & MAIN CHASSIS CONTENTS EXPLODED VIEWS ...2-2 1. Cabinet and Main Frame Section 2-2 2. DECK MECHANISM SECTION [ DVD MD (DP-10C 2-3 3. Packing Accessory Section ...2-4 2-1
Zenith XBV613 | Service Manual - Page 9
VIEWS 1. CABINET AND MAIN FRAME SECATION 5 NOTES) THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE. 463 463 470 A46 469 4 323 322 A00 288 324 250 300 457 471 A47 463 274 330
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2. DECK MECHANISM SECTION [ DVD MD (DP-10C) ] A26 A02 439 018 013 014 017 001 A01 002 003 020 012 026 435 015B 015 016 015A 019 440 432 012A 012 030 024 025 036 439 431 435 010 012A A03 2-3 021 430
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3. PACKING ACCESSORY SECTION 810 CABLE ASS'Y RF 808 BATTERY REMOTE CONTROLLER 900 ASSEMBLY 803 PACKING, CASING 806 RF CABLE 811 PLUG ASS'Y 1WAY 812 PLUG ASS'Y 2WAY 801 INSTRUCTION ASSEMBLY 804 BAG 803 PACKING, CASING 802 BOX 2-4
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ELECTRICAL VCR PART CONTENTS DVD PART ELECTRICAL ADJUSTMENT PROCEDURES 3-2 ELECTRICAL TROUBLESHOOTING GUIDE CONTROL RELATED SIGNAL(SYSTEM CHECKING 3-73 11. RF WAVEFORM 3-74 12. ZR36882 AUDIO OPTICAL AND COAXIAL OUTPUT(SPDIF 3-74 13. ZR36882 VIDEO OUTPUT WAVEFORM.......3-75 14. AUDIO OUTPUT
Zenith XBV613 | Service Manual - Page 13
VCR PART ELECTRICAL ADJUSTMENT PROCEDURES 1. Servo Adjustment 1) PG Adjustment • Test Equipment a) OSCILLOSCOPE b) NTSC MODEL : NTSC SP TEST TAPE • Adjustment And Specification MODE MEASUREMENT POINT ADJUSTMENT POINT SPECIFICATION VCR. c) Trigger the mixed Combo on the Remote controller and the
Zenith XBV613 | Service Manual - Page 14
ELECTRICAL TROUBLESHOOTING GUIDE 1. Power(SMPS) CIRCUIT (1) No 5.3VA No 5.3VA YES Is the FR101 NO Normal? YES NO Is BD101 Normal? Replace FR101 (Use the same ICW) Replace
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(2) No 5.0V_D No 5.0V_D YES Is the Vcc(5.3V) sup- NO plied to Q165 Emittor? YES Is the Q162 Base NO 'H'? YES Check or Replace Q165 Check or Replace D125 Check the PWR CTL "H" signal from µ-com (3) No 5.0V_T No 5.0V_T YES Is the Vcc(5.3V) sup- NO plied to Q163 Emittor? YES Is the Q162 Base NO 'H'?
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(6) No Motor_Vcc (To Cap, Drum Motor ) No Motor_Vcc YES Is the Vcc(14V) NO supplied to C134? YES Check or Replace the Cap / Drum Check or Replace D124 (7) No REG 12V No REG 12V YES Is the Vcc(14V) supplied NO to Q165 Collector? YES Is the Vcc(14V) sup- NO plied to Q165 Base? YES Check or Replace
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YES Check the Deck Mechanism. Check the CST SW and the peripheral circuitry. Refer to "SMPS MOTOR_Vcc 12 Volt Trouble Shooting". Is 5V applied to R531 ? YES NO Refer to SMPS 5.3VA troubleshooting. Check IC501 Pins22, 23, 24, 25. Caution : Auto stop can occur because Grease or Oil is dried up
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3. SERVO CIRCUIT (1) Unstable Video in PB MODE Unstable Video in PB Mode. YES Does the Noise level of the screen change periodically? YES Do the CTL pulses appear NO at IC501 Pin97? YES Does the CFG waveform appear at IC501 Pin87? YES On tracking do the CTL NO pulses move? YES Does the Video
Zenith XBV613 | Service Manual - Page 19
When the Capstan Motor doesn't run, When the Capstan Motor doesn't run, Does 12VA appear at PMC01? YES NO Refer to "SMPS(CAPSTAN/12Volt) Trouble Shooting". Does 2.8V appear at PMC01 Pin 9? NO YES Check the PMC01 and the Capstan Motor Ass'y. Are the foil patterns and Components between IC501
Zenith XBV613 | Service Manual - Page 20
switches. Is 5.3V applied to NO IC501 Pin53? YES Does oscillation occur at NO IC501 Pins44, 45? YES Replace IC501. Refer to "SMPS 5.3VA Trouble Shooting". Check or Replace the pheripheral Circurity.(L511, R518, C596, C595) (2) I2C BUS CHECK The I2C waves don't come out. Does Power appear
Zenith XBV613 | Service Manual - Page 21
appear at IC302 Pins1, 3? YES Is there SW5V at IC302 Pin6? YES Check DVD Video Input (IC601, Pin150), Tuner Video Input (TU701 Pin16), Line Video Input 52. Check the System Circuit. (Refer to 'SYSTEM I2C BUS CHECK Trouble Shooting') Replace IC301. NO Is there 12V on the NO Check the SW 12V
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YES Does the normal RF signal NO appear at IC301 Pin14? YES Check the line of the SW 5V Line. Refer to 'SYSTEM Y/C BUS CHECK Trouble Shooting'. Is the V.H.S/W signal NO applied to IC301 Pin57? YES Does the Rectangular NO waveform(5V) appear at IC301 Pin57(V.H.S/W) YES Check the System
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3. Y/C CIRCUIT (3) When the C(Color) signal doesn't appear on the screen in PB Mode, Is SW 5V applied to IC301 NO Pins23, 44, 45, 52, 68, 77? YES Does the Color signal NO appear at IC301 Pins41, 50? Check the line of the REG 5V Line. (Power Circuit) Is the oscillation frequency NO of X301
Zenith XBV613 | Service Manual - Page 24
applied to NO IC301 Pins53, 54, 55? YES Do X301 and X-TAL NO oscillate? A Check X301 oscillation frequency. Check the SW 5V power. Check system part Check X301. A YES Is V.H SW supplied to NO IC301 Pin57? YES Does the FM signal appear at IC301 Pins73(SP)/ NO 66(EP)? YES Replace
Zenith XBV613 | Service Manual - Page 25
No Sound. YES NO Check the SIF.IN of IC801 Pins57. Check the DVD Audio of IC801 NO Pins12, 74. Check the LINE1 Audio of IC801 NO C854. YES Check JK901. YES NO NO NO NO Check the TU701 SIF Pin13. Check the DVD MODULE. (PMD02 Pins13, 15). Check the Rear Jack. (JK901 Audio in). Check the front
Zenith XBV613 | Service Manual - Page 26
Signals appear at NO IC801 Pin80(L-CH), 78(R-CH)? YES Do Audio Signals appear at NO JK901? Check Power. Check IC501 Pin19 (A.H/SW) Check the parts of µ-COM (IC501 Pins71, 72) Check the Connection at P3D01 Pins7, 9. Check the Jack(JK901) YES Check C801, C851, R801, R851. 3-15
Zenith XBV613 | Service Manual - Page 27
signals appear at P3D02 pin5 NO (50Vp-p) Check Power. Check ports of µ-CPM. (IC501 Pins71, 72) Check Audio input signal of IC801 Pin57(TU.A.), 7, 69(DVD.A.), 11, 73(LINE1.A.), 9, 71(LINE2.A.) Check C825, R337, R338, C371, C3A1 Check REC OSC BLOCK (Q301, Q302, Q304~Q307) YES Is "High" IC501 Pin74
Zenith XBV613 | Service Manual - Page 28
7. Tuner/IF CIRCUIT (1) No Picture on the TV screen No picture on the TV screen YES Does the Video signal at NO the TU701 Pin16. YES Is +33V applied to TU701 NO Pin14? YES Is +5V applied to TU701 NO Pin3? YES Does the Clock signal NO appear at TU701 Pin9? YES Does the data signal NO
Zenith XBV613 | Service Manual - Page 29
(2) No Sound No Sound. YES NO Check the Vcc of TU701 Pins3, 14. YES Check the Tuner SiF signal at IC801 NO Pin57. YES NO Check the Audio of IC801 Pins78, 80. YES Check the Signal flow from IC801 Pins78, 80 to JK901 Audio out(L), (R) Check 5V, 33V Line. Check the Tuner SIF of TU701 Pin13.
Zenith XBV613 | Service Manual - Page 30
BLOCK DIAGRAMS 1. POWER(SMPS) BLOCK DIAGRAM BD101 T101 ! TRANS + C103 SNUBBER BLOCK (D101,C105 C106,R104) 6 78 RECTIFIER & SMOOTING BLOCK (D124,C124,C134, R133,L124,C126) NOISE FILTER BLOCK (C101,L102, C102) ! FUSE RESISTOR (FR101) ! Y-CAP C110 BR BL (BK)(WH) DRIVE & S/W BLOCK (IC101, D102,
Zenith XBV613 | Service Manual - Page 31
999 GND CH S/W 2 REG 5V 3 CONTROL 4 V.IN RF AGC 6 NC ENABLE 8 CLOCK DATA AFT A.OUT SIF TU 30V 14 NC V.OUT 1 5 7 9 10 11 12 13 15 16 TU.V.OUT 732 33V 158 AFT 100 3-21 3-22 875 MOD A.IN 61 MOD CTL 107 5V 26 VCR 'H' 971 MOD VEDIO 71 IIC CLK
Zenith XBV613 | Service Manual - Page 32
AMP ACC AMP ACC DET DETAIL ENH CLAMP NL MAIN EMPHA EMPHA FM MOD 3.58M BPF1 YNR COMB Y LPF VIDEO AGC TU/LINE1 32 30 DVD 28 LINE2 IC302 SW BLOCK REC FM-EQ V.OUT 26 22 B 21 20 3-23 3-24
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AUDIO(L) IN 9 71 80 A. OUT (L) 78 A. OUT (R) (PB Mode) 3-25 IC301 LA71206M R/P HEAD 6 N.A.IN 5 EQ AMP AMP IC801 LA72670M A. OUT (L) 80 10 4 OUTPUT A. OUT (R) 78 SELECTOR EQ 4 3 2 2 MOD. OUT 55 53 54 DATA CLOCK ENA (System) From u-COM 3-26 (REC Mode) TUNER TU701 SIF 13 RF
Zenith XBV613 | Service Manual - Page 34
FRONT DVD A.IN 'L' DVD A.IN 'R' AV1 A.IN 'L' AV1 A.IN 'R' AV2 A.IN 'L' AV2 A.IN 'R' NORMAL AUDIO OUT(To AVCP) NORMAL AUDIO IN(From AVCP) A Hi-Fi/ B REC 24 26 27 Hi-Fi PB 'B' Hi-Fi REC Hi-Fi PB 'A' 57 DEMO DULATE 12 74 11 INPUT 73 SELECT FM MODU DE MODU OUTPUT SELECT
Zenith XBV613 | Service Manual - Page 35
OUT 65 DVD DATA IN 66 DVD CLK 67 DVD RESET 82 DVD ENA 85 IC5F1 TO/FROM DVD IC501 M37760 A. ENV 8 A. H.SW 19 A. MUTE 'H' 68 REC 'H' 74 CLK 71 DATA 72 CV OUT 52 AFT 100 PLL CLK 71 PLL DATA 72 VCR 'H' 26 MODU CTL 61 TO/FROM AUDIO(Hi-Fi) Hi-Fi ONLY
Zenith XBV613 | Service Manual - Page 36
WHEN SERVICING THIS CHASSIS, UNDER NO CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE LG DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED. NOTE : 1. Shaded( ) parts are critical for safety. Replace only with specified part number. 2. Voltages
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2. TU/IF CIRCUIT DIAGRAM 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T 3-33 3-34
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3. A/V CIRCUIT DIAGRAM 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T 3-35 3-36
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4. Hi-Fi CIRCUIT DIAGRAM 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T 3-37 3-38
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5. JACK CIRCUIT DIAGRAM 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T 3-39 3-40
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6. SYSTEM CIRCUIT DIAGRAM 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T 3-41 3-42
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• WAVEFORMS * IC301 Waveform IC301 Pin 9 100mV/10msec DIV VV/EE (Main De-Emphasis out) IC301 Pin 12 100mV/10msec DIV PB (Main De-Emphais Peacking) IC301 Pins 33, 36, 37 100mV/10msec DIV VV/EE Clamp Drive IN Pin 33 Y-out(to 1H CCD) Pin 36 Y-out(from 1H CCD) Pin 37 IC301 Pin 15 200mV/10msec DIV EE
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• CIRCUIT VOLTAGE CHART MODE STOP PIN NO. PLAY IC202 1 0.02 1.28 2 0 0 3 8 0.56 4 0.03 0.62 5 0 1.73 6 2.7 2.23 7 2.93 0 8 2.7 2.23 9 2.93 3.22 10 2.72 2.11 11 2.92 1.74 12 1.64 2.24 13 8.04 1.74 14 8.04 1.75 15 2.95 3.2 16 0.01 0 17 0 3.2 18
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MODE STOP PIN NO. PLAY 63 0.05 0.05 64 0.05 0.05 65 2.25 2.3 66 2.4 0.06 67 5.2 5.2 68 4.94 4.94 69 4.9 4.88 70 4.9 4.92 71 4.77 4.94 72 4.74 5.12 73 0.01 0.01 74 0.01 0.01 75 0.8 0.01 76 0.82 2.66 77 0.01 2.66 78 4.8 4.8 79 4.87 4.44 80 4.85 4.
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PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C.BOARD (TOP SIDE) 3-49 3-50
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2. MAIN P.C.BOARD (BOTTOM SIDE) 3-51 3-52
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3. POWER P.C.BOARD LOCATION GUIDE NOTES) NOTES) NOTES) NOTES) Warning Parts that are shaded are critical With respect to risk of fire or electricial shock. 3-53 3-54
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4. KEY P.C.BOARD 3-55 3-56
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DVD PART ELECTRICAL TROUBLESHOOTING GUIDE 1. POWER CHECK FLOW A. No 5V B. No 3.4VA. NO Is 3.4VA section working? YES Is 5.6V present at collector of Q126? YES Replace Q126. No 3.4VA
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2. SYSTEM OPERATION FLOW Power On 1. 186 CPU initializes SERVO,DSP & RISC registers 2. Write RISC code to SDRAM 3. Reset RISC Show LOGO YES Tray Closed ? NO Tray Close to Closed position YES SLED at Inner Side ? NO SLED Moves to Inner
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the main PCBA don't short on VCCs and switch it on. YES Is 3.3V outputs normal on main PCBA? YES Is 1.8V Voltage normal for Zoran IC YES NO D201. 3. Check IC102 Connect to PC RS232 Cable and update the FLASH memory code. YES Update FLASH successfully? YES A NO 1. Check 27MHz system clock. 2.
Zenith XBV613 | Service Manual - Page 53
ZR36882 and the SDRAM is damaged. YES ZR36882 VIDEO outputs NO properly? YES Check the related circuit of ZR36882 Have TV signal output? NO YES Check the filtering and amp circuit of TV 3-60 Check the load OPEN & CLOSE switch Check the Tray control IO pins on ZR36882 & AM5869S Check the Tray
Zenith XBV613 | Service Manual - Page 54
Check the connection line of MUTE signal. Is SLED_S DC Level higher NO than 1.65V? YES Check the related circuit of FMSO. SLED+ and SLED- output NO properly? YES Check the amp circuit on motor driver. Do not put in disc and tray close. Check the cable connection with MECHA. Optical
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on when reading disc? YES NO LD_DVD or LD_CD output properly? NO Check the laser power circuit on ZR36882 spindle rotate? YES D NO Proper SPINDLE_S signal NO on ZR36882 YES SP+ & SP- output properly? NO YES Check the cable connection between spindle and main PCBA. Check SPINDLE_S related
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signal NO on ZR36882? YES Check the related circuit on ZR36882 Check the TRACK_S connection on ZR36882 and motor dirver. TACT+ & TACT- output NO Check the tracking control properly? amp circuit on motor driver. YES Check cable connection on pick-up head. Disc is play ? YES E NO Check RF
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E Normal Audio output when disc playback? YES NO Audio DAC received NO Check connection between correct data stream? ZR36882 & Audio DAC. YES Normal Audio DAC out? NO YES
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DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1. SYSTEM 27MHz CLOCK, RESET SIGNAL 1) ZR36882 main clock is at 27MH(X601) 3.1V,27MHz 2) ZR3682 reset is low active FIG 1-1 Reset Time FIG 1-2 3-65 3.3VA PWR_CTL RESET
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2. SDRAM CLOCK 1) SDRAM clock is at 143MHz CLK=143MHz,Vp-p=3.3V IC603 PIN38 3. TRAY OPEN/CLOSE SIGNAL 1) Tray open/close waveform FIG 2-1 OPEN CLOSE FIG 3-1 3-66 OPEN CLOSE LMLM+
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2) Tray open waveform 3) Tray close waveform FIG 3-2 FIG 3-3 3-67 OPEN CLOSE LMLM+ OPEN CLOSE LMLM+
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4. SLED CONTROL RELATED SIGNAL(NO DISC CONDITION) SLED_S DRVSB SLED+ SLEDFIG 4-1 5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION) FOCUS_S FOCUS+ FOCUS- FIG 5-1 3-68
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6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION) DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V FIG 6-1 7. DISC TYPE JUDGEMENT WAVEFORM VR_CD DVD_LD CD_LD FIG 7-1(DVD) 3-69 FACT+ FE SBAD
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FIG 7-2 (DVD) FACT+ FE SBAD FIG 7-3 (CD) 3-70 FACT+ FE SBAD
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8. FOCUS ON WAVEFORM FIG 7-4 (CD) FIG 8-1 (DVD) 3-71 FACT+ FE SBAD FE FOSO FACT+ FACT-
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FE FOCUS FACT+ FACT- FIG 8-2 (CD) 9. SPINDLE CONTROL WAVEFORM(NO DISC CONDITION) SPINDLE_S SP+ SP- (DVD) FIG 9-1 3-72
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10. TRACKING CONTROL RELATED SIGNAL(System checking) FIG 10-1 (DVD) TE TRACK_S TACT+ TACT- FIG 10-2 (CD) 3-73 TE TRACK_S TACT+ TACT-
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11. RF WAVEFORM RFO FIG 11-1 12. ZR36882 AUDIO OPTICAL AND COAXIAL OUTPUT(SPDIF) SPDIF FIG 12-1 3-74
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13. ZR36882 VIDEO OUTPUT WAVEFORM 1) Full colorbar signal(CVBS) JK702 pin6 2) Y FIG 13-1 JK702 pin7 FIG 13-2 3-75
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3) C JK702 PIN8 FIG 13-3 14. AUDIO OUTPUT FROM AUDIO DAC 1) AUDIO L/R 1KHz 0DB JK702 PIN4,5 FIG 14-1 3-76
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2) Audio Related Signal FIG 14-2 AOUT0 ABCK ALRCLK 3-77
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RFV33/DV33/1.8V MIC_IN KA RAOKE 5V MC IC605 KS24C021CS EEPROM MD DVD:RF,A,B,C,D CD:RF,A,B,C,D,E,F DVD_LD,CD_LD, V C PICKSEL HOMESW OUTSW MPEG/RF VCR_DATA DVD_RESET 27MHz X-TAL DVD_ENA* DVD_CLK DVD_DATA* IC501 MN101DF10G VCR MICOM 5V/REG12V IC801 TDA9605H HIFI MUTE_C MUTE CIRCUIT AL PCLK , AB
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2. SERVO BLOCK DIAGRAM 3-79 DISC M D X601 27MHz X-TAL DVD_LD, CD_LD , VR_CD , VR_DVD CD_MD, DVD_MD PICKSEL DVD: A,B,C,D, RF CD: A,B,C,D, E, F,RF HOMESW,INSW,OUTSW FACT +/-, TACT +/- MOT_SPDL +/SLED +/- IC201 AM5869S Motor Dr iver DRVSB SPDL_SENS +/- MEMDA[0:15] IC601 ZR36882ELCG MPEG / DSP
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DVD_A_R DVD_A_L 3. AUDIO & VIDEO IN/OUT BLOCK DIAGRAM 3-80 SDA IC605 SCL EEPROM IC601 MPEG ZR36882 ASPDIF MUTE_C A_L+/A_R+/- IC402 OP-AMP Pr / Red Pb / Blue Y / Green Y C EU1_V_OUT S/W IC903 BH78968FS Pr / Red Pb / Blue Y / Green Y C IC301 V_IN AVCP IC801 HI-FI A.OUT_R A. OUT_L V_OUT_2
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CIRCUIT DIAGRAMS 1. SYSTEM CIRCUIT DIAGRAM 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T 3-81 3-82
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2. SERVO CIRCUIT DIAGRAM 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T 3-83 3-84
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3. AV/JACK CIRCUIT DIAGRAM 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T 3-85 3-86
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VCR PART(D-37) CONTENTS DECK MECHANISM PARTS service 4-12 1. Mechanism Assembly Mode Check ........4-13 2. Previous Preparation for Deck Adjustment 4-14 3. Torque Measuring 4-14 4. Guide Roller Height Adjustment 4-15 4-1. Prior Adjustment 4-15 4-2. Fine Adjustment 4-15 5. Audio/Control
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the Parts in the "Starting No." column should be removed first." 4-1 Procedure Starting Part Pinch Shaft 17 19 Arm T/up 1 hook 20 Supporter, capstan Chassis Hole 17,18 21 Belt Capstan/Motor Chassis Hole 21,22,23, 27 Plate Slider Chassis Guide 24,2526 21,22,23, 28 Lever Tension 1
Zenith XBV613 | Service Manual - Page 80
DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Drum Assembly Flat Cable (S1) (S1) H2 (S1) Cap, FPC H1 Fig. A-1 Holder FPC 1. Disassembly of Drum Assembly (Figure A-1) Cautions in assembly of FPC 1) Separate the flat cable from the Drum FPC and the Capstan Motor. 2) Release 3 screws (S1) on the
Zenith XBV613 | Service Manual - Page 81
DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Plate Top (Fig. A-2-1) (B') Arm Assembly F/L (Fig. A-2-5) (C) (B) Holder Assembly CST (Fig. A-2-2) (E) Lever Assembly S/W (Fig. A-2-6) (H4) (E) Opener Door (Fig. A-2-4) (H3) Gear Assembly Rack F/L (A) (B) (Fig. A-2-3) Fig. A-2 4-3
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Assembly CST (D) Chassis 5. Opener Door (Fig. A-2-4) 1) Separate the opener door ahead from the guide hole of chassis while turning it clockwise. 6. Arm Assembly F/L (Fig. A-2-5) 1) Firstly separate the left part of the arm assembly F/L from the groove of chassis while pushing the arm assembly
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up. 9. Gear Wheel (Fig. A-3-2) 1) Release the hook (H5) of the gear wheel and disassemble it upward. 10. Arm Assembly Cleaner (Fig. A-3-3) 1) Separate the (A) part of Fig. A-3-1 from the embossing of chassis, and hold it up while turning it anti-clockwise. 11. Head F/E (Fig. A-3-4) 1) Separate the
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DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Arm Assembly Tension (Fig. A-4-2) (H7) Spring Tension Reel S (Fig. A-4-3) Spring Tension Reel T (Fig. A-4-3) Brake Assembly T (Fig. A-4-1) (H8) (H6) Fig. A-4 13. Brake Assembly T (Fig. A-4-1) 1) Release the spring tension from the lever spring hook (
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P4 from the embossing of chassis. 2) Hold the base assembly P4 up while turning it anti-clockwise. 17. Opener Lid (Fig. A-5-2) 1) Release the (B) part of the opener lid from the embossing of chassis. 2) Disassemble the opener lid upward while turning it anticlockwise. 18. Arm Assembly Pinch (Fig
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Capstan (Fig. A-6-3) (L1) (L1) Lever F/R (Fig. A-6-4) Washer(W1) Clutch Assembly D37 (Fig. A-6-5) Chassis (S6) Fig. A-6 20. Supporter, Capstan (Fig. A-6-1) 1) Turn the supporter and Capstan by 90 deg. clockwise with a driver for disassembly. 21. Belt Capstan (Fig. A-6-2) / Motor Capstan (Fig
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while turning it anti-clockwise. 2) Disassemble the lever tension while holding it up. 29. Lever Spring (Fig. A-7-7) 1) Release the (B) part of the lever spring from the guide (A) of chassis while turning it anti-clockwise. 2) Disassemble the lever tension while holding it up. 30. Lever Brake (Fig
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. Base Assembly P2 (Fig. A-8-3)/ Base Assembly P3 (Fig. A-8-4) 1) Disassemble the base assembly P2 downward while moving it toward the arrow (A) direction along with the guide hole of chassis. 2) Disassemble the base assembly P2 downward while moving it toward the arrow (B) direction along with the
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OF DECK MECHANISM Base Tension (Fig. A-9-1) (A) Arm Assembly Idler Jog (Fig. A-9-2) (B) (C) Chassis (D) Fig. A-9 34. Base Tension (Fig. A-9-1) 1) Release the (A) part of the base tension from the embossing of chassis. 2) Hold the base tension upward while turning it anti-clockwise. 35. Arm
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DECK MECHANISM ADJUSTMENT • Fixtures and Tools for Service 1. Cassette Torque Meter SRK-VHT-303(Not SVC part) Part No:D00-D006 2. Alignment tape Part No NTSC:DTN-0001 PAL:DTN-0002 SRK -VH T- S 300 250 200 0 50 1V5HM0TTCE-O3ATR0ES3QVRSIUESDETERTOEK SRK - V H T 0- T 50 100 150 200 250 300
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tools normally operate by positioning tools accurately. Fixtures and tools used VCR (VCP) status Checking Position • Blank Tape (empty tape) • Eject Mode (with cassette withdrawn) • Mechanism and Mode Switch 1) Turn the VCR on and take the tape out by pressing the eject button. 2) Separate
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check the reel torque on the take-up part and the supply part that performs basic operation of the VCR (VCP) for smoothly forwarding the tape. Measure Value More than 400g°cm More than 400g°cm 40~100g°cm Review Torque Review VHT-303 Supply Reel 120~210g°cm NOTE Adhere the torque gauge
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tools used VCR (VCP) status Adjustment position • Post Height Adjusting Driver • Play or Review Mode Adjustment Procedure 1) Travel the tape and check the bottom surface of the tape travels along with the guide line of the lower drum. 2) If the tape travels toward the lower part of guide line
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only when no audio output appears in play of the standard test tape) Fixtures and tools used VCR (VCP) status SPEC. 2) Check there is crumpling and folding of the tape around the A/C head. If it is, Turn and adjust the tilt adjusting screw to ensure that the tape corresponds to the bottom guide
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there is folding of the tape at the bottom or top of the take-up guide in cutting-off the REV mode CAUTIONS If the RF waveform is changed after adjusting position VCR (VCP) status Adjustment position • Oscilloscope • Standard test tape (only for SP) • Driver (+) Type Ø 4 • Audio Output Jack
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guide roller after assembling the drum. Fixtures and tools used Connection position VCR output waveform is flat, and adjust the height of the guide roller while playing the standard test tape. 3) Adjust the switching point. 4) Check the RF envelope output is the maximum when the tracking control
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or Tape Transport System o Poor Sound, Low Sound Pollution of Audio/Control Head o A/C Head No tape wound or tape wound loosely. FF (4) Base Assembly P2 (8) P4 Post (10) Pinch Roller (11) Take-up Guide Post (2) Tension Post (1) Supply Reel (9) Capstan Shaft (12) Take-up Reel 4-19
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PROTECTION, MAINTENANCE AND CHECK OF VIDEO FUNCTION 2. Essential Check and Repair Recording density of the video is far higher than the audio. Therefore video parts are very precise so as to allow only error of 1/1000mm or so in order to maintain compatibility with other videos. If one of these
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4-21 Chassis (L) Chassis (R) Cam Part (KG-684G , GREEN) Cam Part (KG-684G , GREEN) Gear Rack F/L Lever, Brake Driving Cam Part Lever Tension Driving Cam Part Gear Sector Driving Part Side Wall Guide Part Lever F/R Driving Part Side Wall Guide Part Lever, Spring Driving Part Plate Slider
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PROTECTION, MAINTENANCE AND CHECK OF VIDEO FUNCTION Lever, F/R, Base, Tension GEAR AY, P2 & P3 LEVER, F/R BASE, TENSION Clutch Contact Part (PL-433, Yellow) Tension Arm Party Hinge Part (PL-433, Yellow) PL-433 4-22
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MECHANISM TROUBLESHOOTING GUIDE 1.Deck Mechanism A. Auto REW doesn't work. YES Is the supply to the END sensor END sensor "H"? "H": more than 3.5V "L": less than 0.7V~1V YES NO
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MECHANISM TROUBLESHOOTING GUIDE C. AUTO STOP. (PLAY/CUE/REV) Check aligment positions (page 4-14) Check Pinch spring. In Play/Cue/Rev is the pinch roller in contact with the capstan shaft. YES Are there T/up and supply reel pulses. NO NO NO Is the output of DFG, DPG OK? YES Check Servo, Syscon.
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MECHANISM TROUBLESHOOTING GUIDE E. In PB mode Tape Presence not sensed. Is the Pinch Roller attached to the Capstan Motor Shaft? YES Does the T/Up Reel turn? NO NO
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MECHANISM TROUBLESHOOTING GUIDE 2. Front Loading Mechanism A. Cassette cannot be inserted. Does a short circuit between cassette switch and GND on main P.C.Board? YES NO Remove the short circuit part or Replace the main P.C.Board. Replace CST IN Switch. Cassette will not eject. Does the L/D
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MECHANISM TROUBLESHOOTING GUIDE C. Cassette will not load. Does the CST insert? YES Does the CST insert? YES NO Does the F/L Gear Rack work? YES NO Does the Door
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EXPLODED VIEWS 1. Front Loading Mechanism Section 4-28 103 105 110 112 A24 116 115 100 106 102 A21 107 113 114 A23 032 A22 109 054A 054
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EXPLODED VIEWS 2. Moving Mechanism Section (1) OPTIONAL PART 008 A01 006 A03 007 004 014 013 003 022 011 409 016 012 031 017 079 032 024 406 026 015 027 009 029 405 028 021 031 4-29
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EXPLODED VIEWS 3. Moving Mechanism Section (2) 4-30 051 056 518 055 058 080 060 052 517 064 061 A11 067 066 065 A12 068 069 070 077 052A 023 078 032 076 410
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SECTION 5 REPLACEMENT PARTS LIST MODEL : XBV613(LGEUS) S AL LOCA. NO. PART NO. DESCRIPTION *** INDIVIDUAL PARTS *** 250 3110R- INSTRUCTION ASSEMBLY 802 3890RNC005X BOX,MASTER 803 3920R-E168A PACKING 804 292-053B BAG 808 534-008C BATTERY,MANGANESE 900 6711R1P081K REMOTE CONTROLLER
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S AL LOCA. NO. PART NO. 079 3040R-M057A 100 3301R-M193A 405 1MPC0301270 ASSEMBLY MOTOR ASSEMBLY MOTOR(MECH) MOTOR(MECH) MOTOR(MECH) MOTOR(MECH) HOLDER ASSEMBLY SPRING HOLDER HOLDER HOLDER 5 -2 SPECIFICATION TENSION OTHER - D37 TOP - D37 + D3.0 L3.5 SWRCH18A/FZW + D3.0 L6.0 MSWR3/FZY + 1
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PART NO. DESCRIPTION 107 4510R-0061A LEVER 004 5006R-0045A CAP 008 6850R-HG18Y CABLE,FLAT 015 5870R-0007A OPENER 022 6520D00004B HEAD(CIRC) 022 6520D00006A HEAD(CIRC) 031 4970R-0175A SPRING 052A 4980R-0029A SUPPORTER SPECIFICATION 6CH NTSC 2006 COMBI LG MODEL M,A,B OPT. DIVX NT VCR
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S AL LOCA. NO. PART NO. D121 0DRGF00239A D123 0DR810040BA D123 0DR158220AA D123 RESISTOR,FIXED CARBON FILM RESISTOR,FIXED CARBON FILM RESISTOR,FIXED CARBON FILM RESISTOR,FIXED CARBON FILM SPECIFICATION FR104E GULF TP NON 400V 1A 30A ERC81-004L22 BK FUJI DO201AD 4 1N5822 BK RECTRON
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PART 0CE2254K638 CAPACITOR,FIXED ELECTROLYTIC SPECIFICATION 1K OHM 1/6 W - 0.5W VCR V1310MZ.NA1ULZ MAIN BOARD SHIELD(SLIM-COMBI) PRESS . PRE AMP SLIM COMBI C-CORE A NO VCR ONE BOARD SLIM FREE HITACHI HA118725NF HITACHI 100PIN QFP RCA-1205A-01-01 YUQIU 2004 COM DIN405 YUQIU 2004 COMBI GF120-9S-TS-A LG
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S AL LOCA. NO. PART NO. C358 0CE1054K638 C359 0CE4754K638 C366 0CE4764C638 C3A1 ELECTROLYTIC CAPACITOR,FIXED ELECTROLYTIC CAPACITOR,FIXED ELECTROLYTIC CAPACITOR,FIXED ELECTROLYTIC CAPACITOR,FIXED ELECTROLYTIC 5 -6 SPECIFICATION 1UF SRA,SS 50V 20% FM5 TP 5 4.7UF SRA,SS 50V 20% FM5
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S AL LOCA. NO. PART NO. C866 0CE2254K638 C871 0CE4753K638 C873 0CE2254K638 C876 0CE1054K638 C877 ,BIPOLARS TRANSISTOR,BIPOLARS TRANSISTOR,BIPOLARS TRANSISTOR,BIPOLARS TRANSISTOR,BIPOLARS SWITCH,DETECTOR SWITCH,TACT 5 -7 SPECIFICATION 2.2UF SRA,SS 50V 20% FM5 TP 5 4.7UF SRE,SE 50V 20%
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S AL LOCA. NO. PART NO. SW501 6600RRT001G SW502 556-213C SW502 6600RRT001R SW502 ,FIXED CERAMIC(TEMP.C CAPACITOR,FIXED CERAMIC(TEMP.C CAPACITOR,FIXED CERAMIC(TEMP.C CAPACITOR,FIXED CERAMIC(TEMP.C SPECIFICATION EVQ 213 09K MATSUSHITA 15V DC THV10912B TACT DC 12 V 5-0 A V SKHVBG3910-AA FORWARD
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S AL LOCA. NO. PART NO. C352 0CH1104K942 C354 0CH1472K562 C356 0CH1333K562 C357 ,FIXED CERAMIC(HIGH D CAPACITOR,FIXED CERAMIC(TEMP.C CAPACITOR,FIXED CERAMIC(HIGH D CAPACITOR,FIXED CERAMIC(TEMP.C SPECIFICATION 0.1UF 50V 80%,-20% Y5V(F) 1608 4700PF 50V 10% X7R(X) 1608 R/T 0.033UF 50V 10%
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S AL LOCA. NO. PART NO. C595 0CH4120K412 C596 0CH4120K412 C597 0CH4681K412 C598 CAPACITOR,FIXED CERAMIC(TEMP.C CAPACITOR,FIXED CERAMIC(TEMP.C CAPACITOR,FIXED CERAMIC(HIGH D CAPACITOR,FIXED CERAMIC(TEMP.C SPECIFICATION 12PF 50V 5% NP0 1608 R/TP 12PF 50V 5% NP0 1608 R/TP 680PF 50V 5% NP0 1608
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S AL LOCA. NO. PART NO. C694 0CH1102K562 C696 0CH1102K562 C697 0CH4330K412 C698 FIXED CERAMIC(HIGH D CAPACITOR,FIXED CERAMIC(HIGH D CAPACITOR,FIXED CERAMIC(HIGH D CAPACITOR,FIXED CERAMIC(TEMP.C SPECIFICATION 1000PF 50V 10% X7R(X) 1608 R/T 1000PF 50V 10% X7R(X) 1608 R/T 33PF 50V 5% NP0 1608
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S AL LOCA. NO. PART NO. C926 0CH1104K942 C996 0CH1104K942 C9A1 0CH1102K512 C9A3 TRANSISTOR,BIPOLARS TRANSISTOR,BIPOLARS TRANSISTOR,BIPOLARS TRANSISTOR,BIPOLARS TRANSISTOR,BIPOLARS TRANSISTOR,BIPOLARS TRANSISTOR,BIPOLARS SPECIFICATION 0.1UF 50V 80%,-20% Y5V(F) 1608 0.1UF 50V 80%,-20% Y5V(F)
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S AL LOCA. NO. PART NO. Q306 0TR387509AC Q307 0TR103009AC Q403 0TR103009AC Q404 METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) 5 - 13 SPECIFICATION CHIP KTC3875S-GR-T1(ALG) TP KE KRA103S-T1(PC)22-22 CHIP TP KE KRA103S-T1(PC)22-
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S AL LOCA. NO. PART NO. R303 0RH2200C622 R304 0RH4702C622 RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) 5 - 14 SPECIFICATION 220 OHM 1 / 16 W 1608 5.00% D 47K OHM 1 / 16 W 1608 5.00% D 22K OHM 1 / 16
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S AL LOCA. NO. PART NO. R509 0RH5600C622 R511 0RH1001C622 R512 ,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) 5 - 15 SPECIFICATION 560 OHM 1 / 16 W 1608 5.00% D 1K OHM 1 / 16 W 1608 5.00% D 1K OHM 1 / 16
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S AL LOCA. NO. PART NO. R596 0RH1002C622 R597 0RH2201C622 RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) 5 - 16 SPECIFICATION 10K OHM 1 / 16 W 1608 5.00% D 2.2K OHM 1 / 16 W 1608 5.00% D 1.2K OHM 1 /
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S AL LOCA. NO. PART NO. R661 0RH4701C622 R670 0RH0332C622 RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) RESISTOR,METAL GLAZED(CHIP) 5 - 17 SPECIFICATION 4.7K OHM 1 / 16 W 1608 5.00% D 33 OHM 1 / 16 W 1608 5.00% D 33 OHM 1 / 16
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REMOTE CONTROLLER RECEIVER RS501 6500RAB008A SENSOR RS502 6500RAB008A SENSOR X501 6202R-DA01B RESONATOR,CRYSTAL X501 6212AC2327E RESONATOR,CRYSTAL *** DECK ASSEMBLY,DVD *** A26 6721RFD090B DECK ASSEMBLY,DVD 030 4470R-0180A GEAR 036 4370R-0136A SHAFT SPECIFICATION 75 OHM 1 / 16 W 1608 5.
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S AL LOCA. NO. PART NO. DESCRIPTION 431 1SZZR-0062A SCREW,DRAWING 432 1SZZR-0072A -213C SWITCH,DETECTOR SW510 556-213C SWITCH,DETECTOR SPECIFICATION + 1 D1.7 L4.5 SWCH18A/NI DP8 P + 1 D1.7 L4.5 SWRCH18A/FZY DP8 MACHINE + 1 D1.7 L10.0 SWRCH18A/FZW DP DVD DP-9C DISK MOLD DISC DP7 - SH CLAMP