Sharp SD-EX101 Service Manual
Sharp SD-EX101 Manual
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Sharp SD-EX101 manual content summary:
- Sharp SD-EX101 | Service Manual - Page 1
Illustration: SD-EX101 SD-EX100 SD-EX101 SERVICE MANUAL No. S6248SDEX100/ 1-BIT DIGITAL AUDIO SYSTEM MODEL SD-EX100 SD-EX100 1-Bit Digital Audio System consisting of SD-EX100 (main unit) and CP-EX100 (speaker system). MODEL SD-EX101 SD-EX101 1-Bit Digital Audio System consisting of SD-EX101 (main - Sharp SD-EX101 | Service Manual - Page 2
SD-EX100 SD-EX101 SPECIFICATIONS s General Power source Power consumption Dimensions Weight Output terminals Input terminals s Amplifier Amplification system - 108 MHz AM: 530 - 1,720 kHz CP-EX100 CP-EX101 2-way type speaker sys- 2-way type speaker sys- tem tem 13/16" (2 cm) Tweeter 13/16" - Sharp SD-EX101 | Service Manual - Page 3
4 SD-EX100 SD-EX101 s Rear panel 1. AC Input Jack 2. Digital Output Jack 3. Auxiliary Input Jacks 6 4. Speaker Terminals 5. Headphone Jack 7 6. FM 75 Ohms Antenna Terminal 7. FM Antenna Ground Terminal 8 8. AM Antenna Ground Terminal 9. AM Antenna Terminal 9 s Speaker system 1. Speaker - Sharp SD-EX101 | Service Manual - Page 4
SD-EX100 SD-EX101 DISASSEMBLY Caution on Disassembly Follow the below-mentioned notes when Take off nylon bands or wire holders where they need to be removed when disassembling the unit. After servicing the unit, be sure to rearrange the leads where they were before disassembling. If the screw of - Sharp SD-EX101 | Service Manual - Page 5
(H2)x3 Power Transformer PWB CD Motor PWB (H2)x2 CD Mechanism (H2)x1 CD Mechanism Block (N1)x3 ø2.6x8mm SD-EX100 SD-EX101 (N1)x4 ø2.6x8mm (H1)x1 ø3x6mm (H2)x2 Terminal PWB CD Servo PWB (H2)x1 CD Servo PWB Terminal PWB Figure 5-1 Switch B PWB Switch A PWB - Sharp SD-EX101 | Service Manual - Page 6
SD-EX100 SD-EX101 (S3)x1 ø3x8mm Washer (S2)x1 (S1)x2 ø3x8mm (S3)x2 ø3x8mm 1Bit Amp. Shield Cover (S3)x1 ø3x6mm (S3)x1 ø3x6mm Figure 6-1 (S3)x1 Washer ø3x8mm (T1)x4 ø3x6mm 1Bit Amp. PWB Figure 6-2 - 6 - - Sharp SD-EX101 | Service Manual - Page 7
STEP REMOVAL 1 Rear Cabinet 2 Tweeter 3 Woofer SD-EX100 SD-EX101 PROCEDURE FIGURE 1. Screw A1) x6 7-3 2. Chip A2) x4 7-4 1. Screw B1) x4 7-4 1. Screw C1) x4 7-4 Net Frame Ass'y Front Panel Rear Cabinet (A2)x1 3 Cloth 2 3 Screw Driver 1 2 Speaker Box (A1)x6 ø3x16mm Tweeter Figure - Sharp SD-EX101 | Service Manual - Page 8
SD-EX100 SD-EX101 REMOVING AND REINSTALLING THE MAIN PARTS CD MECHANISM SECTION Perform steps 1 to 15 of the disassembly method to remove the CD mechanism. (See page 4.) (A3) - Sharp SD-EX101 | Service Manual - Page 9
EXPLANATION OF CD MECHANISM SD-EX100 SD-EX101 Description of CD Mechanism This is a vertical loading mechanism, which carries a CD to the playback point. Direct and reverse motors, equipped with the end detection - Sharp SD-EX101 | Service Manual - Page 10
SD-EX100 SD-EX101 Control Input/Output The following terminals are used for control. Microcomputer input terminal Name SW_Tray Eject Type H/L SW_Tray Load H/L SW_Mecha Up H/L SW_Mecha Down H/L PH_12cm Disc H/L - Sharp SD-EX101 | Service Manual - Page 11
resetting the microcomputer. 2. The mechanism is not in the loading or ejecting completed state when the power is turned on. Initializing the mechanism SD-EX100 SD-EX101 Start Mechanism up switch Close Open The tray moves downward until the close switch is turned on. NG OK? The tray motor and - Sharp SD-EX101 | Service Manual - Page 12
SD-EX100 SD-EX101 The initialization procedures of the mechanism vary with the location of the CD mechanism Error display The following errors of the loading mechanism are detected. - Sharp SD-EX101 | Service Manual - Page 13
SD-EX100 SD-EX101 Inspection method of a 12-cm disc sensor The sensor is located on 3. Place the unit upside down and remove the CD. (A1)x1 How to move the tray manually (See Fig. 13-3) Note) You can manually move the tray by removing the CD mechanism from the unit. 1. Lower the CD mechanism. 2. - Sharp SD-EX101 | Service Manual - Page 14
SD-EX100 SD-EX101 ADJUSTMENT TUNER SECTION fL: Low-range frequency fC: Middle-range frequency fH: High-range frequency • Adjusting and checking AM IF/RF AM Loop Antenna IF : - Sharp SD-EX101 | Service Manual - Page 15
stations Canceling the test mode will clear all the preset data. SD-EX100 SD-EX101 Adjustment for 1 bit amplifier output offset voltage Adjust VRA100 and VRA101 so that the voltage between the positive and negative terminals of the speaker output terminal (JK400) is within 0±5mV at AC 120V. AC - Sharp SD-EX101 | Service Manual - Page 16
SD-EX100 SD-EX101 DESCRIPTION OF CIRCUIT FOR 1-BIT UNIT (SEE THE WIRING DIAGRAMS ON signals for differential output. For detailed technical description of 1-bit signal conversion, refer the technical manual for SM-SX100 already published. Low-pass filter circuit The 1-bit signal switched by output - Sharp SD-EX101 | Service Manual - Page 17
SD-EX100 SD-EX101 TO CHECK AND CANCEL PROTECT CIRCUIT DETECTION LINE 1. After power supply, the amplifier), turn on the unit power for the normal operation. (No sound is heard from the speaker.) * After repair, adjust 1-bit amplifier output-offset voltage. If protected operation is still observed - Sharp SD-EX101 | Service Manual - Page 18
SD-EX100 SD-EX101 TEST MODE From power off state to TEST mode Press the VOLUME DOWN button and CD FAST FORWARD button ( ) simultaneously while the ON/STAND-BY - Sharp SD-EX101 | Service Manual - Page 19
00 80 Tracking gain _ _ T G : × × 1F 00 E0 Focus offset F O F F : × × 7F 00 80 Tracking offset T O F F : × × 7F 00 80 RFRP R F R P : × × 7F 00 8 0 SD-EX100 SD-EX101 After the register is configured by D4XX (FTBAST), it is read by 2XX (SRC2). Reading number of errors Cumulative number - Sharp SD-EX101 | Service Manual - Page 20
SD-EX100 SD-EX101 4. Disc Loading Mechanism Test: CD MECHA Test Purpose: An operational check and aging test of disc loading mechanism Functions: Manual control of a loading/mechanism up/down motor Loading/eject control Aging test with TOC reading Aging test w/o TOC reading Error display due to - Sharp SD-EX101 | Service Manual - Page 21
buttons enable operations particular to this test mode. SD-EX100 SD-EX101 Buttons to push ON/STAND-BY VOLUME UP VOLUME to the regular power off status. Once Opens the tray at a low speed when manually controlled. Continuously Single press: the tray moves to the open position. Continuous press: the - Sharp SD-EX101 | Service Manual - Page 22
SD-EX100 SD-EX101 Item Manual control mode Type Supplementary display 1 2 Character display 345 67 8 9 10 11 Function ME CHA ∗ : Remarks Opening the tray at a constant speed Operating ME CHA - Sharp SD-EX101 | Service Manual - Page 23
NOTES ON SCHEMATIC DIAGRAM SD-EX100 SD-EX101 • Resistor: To differentiate the units of resistors, such symbol as K and M are used: the symbol K means 1000 ohm and the symbol M means 1000 kohm and - Sharp SD-EX101 | Service Manual - Page 24
SD-EX100 SD-EX101 IC30 PIN NO. VOLTAGE 1 2.1 V 2 5.1 V 3 2.1 V 4 2.0 V 5 0V 6 5.2 V 7 5.2 V 8 3.0 V 9 5.1 V 10 4.5 V 11 4.0 V 12 4.0 V 13 2.2 V 14 1.2 V 15 1.2 V 16 2.0 V 17 18 2.3 V 19 0.02 V 20 0.2 V 21 2.3 V 22 2.5 V 23 5.1 V 24 3.6 V IC60 PIN NO. VOLTAGE 1 2.5 V 2 - Sharp SD-EX101 | Service Manual - Page 25
SD-EX100 SD-EX101 CD PICKUP UNIT LD LASER DRIVER Q701 MON +5V 6 (pick) CD_DATA 11 BCK 6 3 CD_LRCK IC703 74VHC08F AND GATE RESET CCE Buck ~ U/D L/E DISPLAY SECTION ICD02 SYSTEM MICROCOMPUTER Vref 1/2V FOCUS COIL TRACKING COIL M NM802 SLED MOTOR SLED MOTOR M NM801 SPINDLE SPINDLE MOTOR - Sharp SD-EX101 | Service Manual - Page 26
SD-EX100 SD-EX101 AMP. SECTION ANALOG SIGNAL INPUT NF ICA106/107 SLA5505M SWITCHING AUDIO POWER AMP. DEAD TIME CONTROL ICA110 TC74AC8T QUAD 2 INPUT AND - POWER QA101 LOW PASS FILTER LOAD QA102 RL460 JK400 SPEAKER TERMINAL Q465 Q460~ Q463 SP_RLY OFFSET Figure 26 BLOCK DIAGRAM (2/5) - - Sharp SD-EX101 | Service Manual - Page 27
F504 1.6A 125V T501 SUB POWER TRANSFORMER D500~503 P_IN MAIN_RLY BKUP_3V Q501 T.F. SO500 AC INLET AC 120 V, 60 Hz RL500 L500 AC LINE FILTER SD-EX100 SD-EX101 - Sharp SD-EX101 | Service Manual - Page 28
SD-EX100 SD-EX101 FM 75ohms SO101 GND ANTENNA TERMINAL GND AM FM OSC VT FE10 8 FM FRONT END 16 TUNER L 10 TUN_R R 15 NC 11 NC 14 MD/CD L 12 R 13 23 5 20 6 19 VDD BASS TRE IC301 LC75341M AUDIO PROCESSOR 4 L-CH 21 R-CH GND 3 1 2 24 IC330 NJM4558M OPE AMP. -B +B -VCC 4 +VCC L-CH 3 8 1 L- - Sharp SD-EX101 | Service Manual - Page 29
14 1 2 3 IC904 74VHC08F BUFFER AMP. 3.3V(D) 5 1 2 16 3 IC900 PCM1748E D/A CONVERTER 6 L7 R8 MD MC ML 13 14 15 SD-EX100 SD-EX101 2 1 6 7 IC901 NJM4580D LOW PASS FILTER IC301 AUDIO PROCESSOR FLD01 FL ICD01 M66005 FL DRIVER FL1 FL2 -Vp QD15 QD16 MAIN RLY KEY1 KEY2 35 36 37 - Sharp SD-EX101 | Service Manual - Page 30
SD-EX100 SD-EX101 S17 S14 RD21 10K RD98 2.2K RD13 2 2K RD60 1K CD_FUNC CD38 0.1 2 IX0567AW [From Serial No E KEY2 RD78 1K KEY1 RD79 D GND 1K 93 KEY3 94 KEY2 95 KEY1 96 AVSS SYSTEM MICROCOMPUTE LD02 22µH RD80 1K CD56 1 97 INT 100:FLDRESET 98 VREF CD60 0.01 CD59 0.01 RD87 10K RD120 1. - Sharp SD-EX101 | Service Manual - Page 31
[To Serial No. 20x04000] IX0567AW [From Serial No. 20x04001] SYSTEM MICROCOMPUTER ESET OSC_OUT 39 RD33 1K MD_RESET 40 10K FLASH_EPR 41 RD35 T/V_CK SUR_ON/OFF S_MUTE DAC_MD DAC_MC DAC_ML A_-12V A_GND A_+12V 19 SD-EX100 SD-EX101 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 - Sharp SD-EX101 | Service Manual - Page 32
SD-EX100 SD-EX101 DISPLAY PWB-A(2/2) A ZD300 T/V_CK DZ10BSB R313 1K T/V_CE T/V_DI B 1 2 C 3 4 5 6 14 R303 1K 12 L1(CD/MD) R1 13 R301 1K R302 IC301 1K C301 LC75341M C302 2.2/50 AUDIO 2.2/50 PROCESSOR R304 1K C304 2.2/50 D300 DS1SS133 +B L-CH Q331 2SK246 GR Q330 KTA1266 GR R316 - Sharp SD-EX101 | Service Manual - Page 33
SD-EX100 SD-EX101 CNSA106 P42 1 - B FROM 1-BIT AMP. PWB FM SIGNAL CD SIGNAL AUX SIGNAL Q331 K246 GR 3 0V S G 4V D 35 0V 0K C333 47/25 C334 47/ - Sharp SD-EX101 | Service Manual - Page 34
SD-EX100 SD-EX101 A CD SERVO PWB-B1 B PICKUP UNIT(306) VCC LD MON GND + - + - + - + - + - E A C B F C 1/2VCC ACTUATOR TR+ D FO- PO+ TR- E C731 0.33/50 ED- C733 0.33 FO- FO+ - Sharp SD-EX101 | Service Manual - Page 35
SD-EX100 SD-EX101 CNS402 P39 9 - F FROM TERMINAL PWB P44 1 - B FROM D/A CONVERTER PWB CNS709 CNP709 1 2 C741 Data Slicer CLV Servo Digital Equalizer RAM Adjustment Circuit ROM A/D Servo Control Digital Audio Out Output Circuit Address Circuit 1BIT DAC IC702 0.6V SBAD 30 D/A 1.6V TEI - Sharp SD-EX101 | Service Manual - Page 36
SD-EX100 SD-EX101 -B_CONT PROTECT D570 DS1SS133 A CNP550 +B_AMP 1 2 -B_AMP 3 D551 DS1N404S ANA_-12V -B ANA_+12V R564 1K R565 1.2K R566 10K D554 DS1N404S C570 1/50 5 6 7 P43 12 - F - Sharp SD-EX101 | Service Manual - Page 37
SD-EX100 SD-EX101 565 R566 2K 10K R567 220 C571 47/25 +B R581 220 C577 47/25 C579 0.01 C580 1/50 D570 DS1SS133 D571 DS1SS133 C572 C578 5 6 7 8 0.022 0. - Sharp SD-EX101 | Service Manual - Page 38
SD-EX100 SD-EX101 CNS101 P41 10 - H TO TUNER PWB CNS706 P35 11 - C FROM CD SERVO PWB A CNPD01A 1 TUN_D_GND 2 TUN_SM TUN_DO 3 4 T/V_DI 5 T/V_CE P30 5 - H TO DISPLAY PWB CNSD01A T/V_CK 6 L/ - Sharp SD-EX101 | Service Manual - Page 39
SD-EX100 SD-EX101 P43 12 - C FROM 1-BIT AMP. PWB CNSA110 1 R+ 2 R- L- 3 4 L+ CNP400 C451 0.22 R451 (ML) 47(3W) C449 0.22 (ML) R450 C450 C448 47 0.22 0.22 (3W) (ML) ( - Sharp SD-EX101 | Service Manual - Page 40
AM LOW CUT FM/AM OUT AM IF IN R23 1K GND C40 SD-EX100 SD-EX101 A TUNER PWB-D FM SIGNAL AM SIGNAL C14 0.022 C15 0.47/50 B C25 R14 1K C28 10/16 3 45 6 0.022 C30 C23 0.022 R13 8.2K T20 - Sharp SD-EX101 | Service Manual - Page 41
AFC AM RF IN VSM T51 AM IF CF30 C40 0.022 56 4 AM LOW CUT FM/AM OUT AM IF IN R23 1K GND SD C30 0.001 C31 1/50 R15 2.7K 19 18 C24 33P (CH) C27 0.022 C29 0.022 R14 1K C28 10/16 C41 0. L72 C75 100µH 100/10 R20 4.7K R21 4.7K C25 0.022 C26 3.3/50 24 23 22 21 20 R17 470K SD-EX100 SD-EX101 - Sharp SD-EX101 | Service Manual - Page 42
SD-EX100 SD-EX101 A FM SIGNAL +B BIA106 L_CH P33 12 - C TO DISPLAY PWB CNP330 CNSA106 1 R-CH_IN 1 B 2 AGND 2 3 L-CH_IN 3 CA211 0.1 R_CH QA102 KRC104S QA101 KRA104S RA342 10K 47K RA340 3.9K - Sharp SD-EX101 | Service Manual - Page 43
SD-EX100 SD-EX101 BIA110 CNSA110 CNP400 P39 7 - A TO TERMINAL PWB ICA110 TC74AC8T QUAD 2 INPUT 100/16 CA262 0.1 CA261 100/10 CA260 0.1 CA259 100/16 CA283 0.1 ICA106 SLA5505M ICA106 SWITCHING AUDIO POWER AMP. CA280 0.1 DA252 SFPW56 DA251 SFPW56 CA278 0.1 +B CA250 1/50 CA258 0.33 VKK GND - Sharp SD-EX101 | Service Manual - Page 44
CNP901 P33 8 - H TO DISPLAY PWB SD-EX100 SD-EX101 A TO CD SERVO PWB TO CD SERVO PWB CNS709 CNP709 P35 9 - A 2 1 CNW707 CD SIGNAL D/A CONVERTER PWB-F CNS704 5 7 3.3V +B 6 DGND 5 SCLK IC900 PCM1748E SCK R931 100 D/A - Sharp SD-EX101 | Service Manual - Page 45
WH GY GY PK BK WH 8 1 CNW901 R937 R938 C920 R910 C911 IC903 C935 C934 56 7 8 C909 IC901 R920 43 2 1 C930 C905 C903 C904 SD-EX100 SD-EX101 C907 C901 C941 CNW707 7 1 BK WH YL PK WH BK D/A CONVERTER PWB-F (BOTTOM VIEW) D/A CONVERTER PWB-F (TOP VIEW) R927 C910 C926 R916 - Sharp SD-EX101 | Service Manual - Page 46
CD23 CD24 RD109 RD110 SD-EX100 SD-EX101 A P45 8 - A TO D/A CONVERTER PWB CNS901 8 7 6 5 4 3 2 1 CNP901 B 3 WH BK 1 PK CNW301A CD62 CD61 CD34 LD04 CD33 CD21 RD108 RD90 CD10 CD31 CD32 LD03 132 CD12 CD11 - Sharp SD-EX101 | Service Manual - Page 47
SD-EX100 SD-EX101 P52 3 - B FROM SWITCH A PWB CNSD01B 1 2 3 CNPD01B CD59 CD60 CD61 CD23 CD24 CD26 RD109 RD110 RD111 RD112 CD36 CD35 LD05 1 20 15 10 5 CD01 45 50 - Sharp SD-EX101 | Service Manual - Page 48
SD-EX100 SD-EX101 A B C D E F G H 1 2 3 4 5 6 Figure 48 WIRING SIDE OF P.W.BOARD (4/13) - 48 - - Sharp SD-EX101 | Service Manual - Page 49
SD-EX100 SD-EX101 DISPLAY PWB-A (TOP VIEW) 7 8 9 10 11 12 Figure 49 WIRING SIDE OF P.W.BOARD (5/13) - 49 - - Sharp SD-EX101 | Service Manual - Page 50
SD-EX100 SD-EX101 A FROM D/A CONVERTER PWB P52 4 - D P52 4 - C TO TERMINAL PWB FROM TERMINAL PWB CNS709 CNS704 CNP706 CNS402 P45 11 - E P45 11 - E P52 4 - F TO TERMINAL PWB CNP707 1 2 3 4 5 6 7 8 9 1011 - Sharp SD-EX101 | Service Manual - Page 51
RD GY WH GY WH GY WH R510 P53 9 - B TO FUSE PWB CNP501 CNS501 1 234 56 7 1 7 CNW501 SD-EX100 SD-EX101 POWER TRANSFORMER PWB-B2 T501 SUB POWER TRANSFORMER 5 4 3 2 1 CNP503 CNS503 P53 11 - C FROM POWER AMP. PWB D505 L500 T.F. T500 MAIN POWER TRANSFORMER RL500 C505 AC - Sharp SD-EX101 | Service Manual - Page 52
SD-EX100 SD-EX101 1 3 A SWITCH B PWB-C3 RD161 SWD12 VOLUME DOWN SWD11 VOLUME UP CNWD02 3 3 R485 D482 C417 C486 C414 R486 L481 C487 D481 C485 1 2 3 4 5 6 7 8 9 10 CNP101 R-CH JK400 SPEAKER TERMINAL L-CH WH BK PK WH BK PK 1 2 3 4 5 6 CNS401 P47 10 - G TO DISPLAY PWB CNSD01A CNPD01A - Sharp SD-EX101 | Service Manual - Page 53
SD-EX100 SD-EX101 P51 8 - A FROM POWER TRANSFORMER PWB CNS501 CNP501 F502 8A 125V 1 2 3 F501 4 8A 125V 5 6 7 F503 3A 125V FUSE PWB-B4 F504 1.6A 125V CNS502 1 2 3 4 5 6 7 8 9 10 P56 2 - B - Sharp SD-EX101 | Service Manual - Page 54
SD-EX100 SD-EX101 A B R81 C77 C82 L73 C78 C64 C63 C61 R61 R74 8 C SO101 ANTENNA TERMINAL D FM 75 OHMS GND E GND D15 D16 C79 C81 C80 R10 FE10 7 6 - Sharp SD-EX101 | Service Manual - Page 55
SD-EX100 SD-EX101 TUNER PWB-D (TOP VIEW) 7 8 9 10 11 12 Figure 55 WIRING SIDE OF P.W.BOARD (11/13) - 55 - - Sharp SD-EX101 | Service Manual - Page 56
SD-EX100 SD-EX101 A P53 9 - D TO POWER AMP. PWB CNP550 P52 5 - E TO TERMINAL PWB CNP400 B CNSA111 5 4 3 2 1 4 3 2 1 CNSA110 RD WH WH WH RD WH WH WH WH BIA111 5 LFA05 1 LFA04 1 4 - Sharp SD-EX101 | Service Manual - Page 57
SD-EX100 SD-EX101 1-BIT AMP. PWB-E (TOP VIEW) CA265 CA255 CA254 CA267 5 1 DA126 QA102 QA101 CA263 RA340 RA341 RA342 CA258 RA120 1 14 5 10 RA119 7 8 CA110 ICA110 RA124 RA123 - Sharp SD-EX101 | Service Manual - Page 58
SD-EX100 SD-EX101 WAVEFORMS OF 1-BIT CIRCUIT 2.00 V/div AD IC Output 2.00 V/div + Side 1 2 Amplitude from - SIDE 1 500 ns/div 194.545465 µs Waveforms before low-pass filters at both ends of the speaker H-bridge may be considered as BTL. However, here and at the gate drive, dead time is not - Sharp SD-EX101 | Service Manual - Page 59
17:18:51 1ms/div (1ms/div) NORM:1MS/s When reproducing flawless disc Stopped T CH1=1V DC 10:1 IC704 3pin-4pin FO- FO+ 12 T 1 SD-EX100 SD-EX101 2000/09/18 17:16:55 500us/div (500us/div) NORM:2MS/s Flawless disc IC704 5pin-6pin 34 CH1 V/DIV CAL =Filter= VAR =Offset= Smoothing - Sharp SD-EX101 | Service Manual - Page 60
SD-EX100 SD-EX101 StoppedT CH1=500mV DC 10:1 T 1 2000/09/18 14:55:22 500ms/div (500ms/div) NORM:200kS/s When reproducing disc IC701 19pin 10 RFGO Format - Sharp SD-EX101 | Service Manual - Page 61
CD OPTICAL PICKUP LENS CLEANING SD-EX100 SD-EX101 When the CD does not function When that a solution doesn't drip.) Be careful not to touch the lens with bare hands. Preparations TROUBLESHOOTING If dusts and foreign materials are accumulated on the pickup lens, playback sounds can be skipped or - Sharp SD-EX101 | Service Manual - Page 62
SD-EX100 SD-EX101 • Laser does not light up Is the voltage of + 1.5 V applied to Pin 7 LDO terminal of IC701? Yes Is the voltage of + 1.8 V applied to Q701 collector? - Sharp SD-EX101 | Service Manual - Page 63
• Track search does not operate. SD-EX100 SD-EX101 Does the thread motor operate in the test mode by pressing the / button? Yes Check the section, "Sled motor does not operate." No Are waveforms - Sharp SD-EX101 | Service Manual - Page 64
SD-EX100 SD-EX101 • Disc motor CLV servo is defective Does the disc motor rotate in CD test mode 3? Yes Is rotation excessively high or low? Yes When changing - Sharp SD-EX101 | Service Manual - Page 65
test mode. Are slide feed signals output to IC702 Pin 40? Yes Are slide feed signals output between Pins 10 and 11 of IC704? Yes SD-EX100 SD-EX101 Check defective peripheral components of IC702. If OK, IC702 is No defective. Check connection of the line from IC704 Pin 13 to IC702 Pin - Sharp SD-EX101 | Service Manual - Page 66
SD-EX100 SD-EX101 FUNCTION TABLE OF IC IC60 VHiLC72131/-1: PLL (Tuner) (LC72131) Pin No. Terminal Name Function 1 XIN Connection of crystal (4.5 MHz/7.2 MHz). 2* VSSX Ground terminal of LC72121 crystal oscillation circuit system. 3 CE To obtain high level during serial data input (DI) - Sharp SD-EX101 | Service Manual - Page 67
IC60 VHiLC72131/-1: PLL (Tuner) (LC72131) SD-EX100 SD-EX101 VSSX 2 XIN 1 XOUT 22 FMIN 16 AMIN 15 CE 3 DI 4 CL 5 DO 6 VDD 17 VSSd VCC 1 2 FM IF AM MIX IN OUT 3 REG 4 AM IF IN 5 GND 6 7 8 SD STEREO FM DET 9 VCC 10 11 12 IF OUT PHASE PHASE (FM/AM) Figure 67-2 BLOCK DIAGRAM OF IC - 67 - - Sharp SD-EX101 | Service Manual - Page 68
SD-EX100 SD-EX101 IC301 VHiLC75341M-1: Audio Processor (LC75341M) Pin No. Terminal Name Function 1 DI Serial data and clock input terminal for control. 2 CE Chip enable terminal. When changing from "H" to "L", data - Sharp SD-EX101 | Service Manual - Page 69
IC701 VHiTA2157F/-1: Head AMP. (TA2157F) SD-EX100 SD-EX101 Pin No. Terminal Name Input/Output Function 1 VCC 2 FNI 3 FPI 4 TPI 5 TNI 6 MDI 7 LDO 8 SEL - Input Input Input Input Input Output Input 3.3V power supply - Sharp SD-EX101 | Service Manual - Page 70
SD-EX100 SD-EX101 IC702 VHiTC94A14F-1: R. 3-5I/F Output polarity invertible by command 3 AOUT Output Audio data output terminal. 3-5I/F MSB/LSB First selectable by 5I/F 15 PVDD3 Input 3.3 V Terminal exclusively for PLL system 16 PDO Output Output terminal for phase error signal of - Sharp SD-EX101 | Service Manual - Page 71
for system clock oscillating circuit 46 XI Input AI/F System clock oscillating circuit input terminal 47 XO Output AI/F System asterisk mark (*) is open terminal which is not connected to the outside. SD-EX100 SD-EX101 Remarks Analog input Analog input Zin = 10kΩ Analog output (AVSS3~AVDD3 - Sharp SD-EX101 | Service Manual - Page 72
SD-EX100 SD-EX101 IC704 VHiLA6558++-1: Focus/Tracking/Spin/Sled/Loading Driver (LA6558) Pin No. Terminal Name Function 1 VCC Power (short-circuited to pin 30). 2 MUTE All CH output - Sharp SD-EX101 | Service Manual - Page 73
open terminal which is not connected to the outside. SD-EX100 SD-EX101 (1) (1) (1) (2) (2) (2) AGND 9 VCOM 10 6 VCC ZEROR/ZEROA 11 5 VDD ZEROL/NA 12 MD 13 MC 14 ML 15 SCK 16 8 VOUTR 7 VOUTL 4 DGND 3 LRCK 2 DATA 1 BCK BCK 1 LRCK 3 DATA 2 Audio Serial Port ML 15 MC 14 MDI 13 Serial - Sharp SD-EX101 | Service Manual - Page 74
SD-EX100 SD-EX101 ICD02 RH-iX0526AWZZ: System Microcomputer (IX0526AW) [To Serial No. 20x04000] (1/3) ICD02 RH-iX0567AWZZ: System Microcomputer processing. Fixed at "L". 20 P82/INT0 RX_IN Input Remote control input by SHARP system 21* P81/TA4IN/U - Output Port processing. Fixed at "L". 22* - Sharp SD-EX101 | Service Manual - Page 75
SD-EX100 SD-EX101 ICD02 RH-iX0526AWZZ: System Microcomputer (IX0526AW) [To Serial No. 20x04000] (2/3) ICD02 RH-iX0567AWZZ: System Microcomputer (IX0567AW) ON/OFF. ON: H 54 P40/A16 SP_RLY Output Speaker relay control. Connecting speaker: H 55 P37/A15 MAIN_RLY Output Main power relay control - Sharp SD-EX101 | Service Manual - Page 76
SD-EX100 SD-EX101 ICD02 RH-iX0526AWZZ: System Microcomputer (IX0526AW) [To Serial No. 20x04000] (3/3) ICD02 RH-iX0567AWZZ: System Microcomputer (IX0567AW) [From Serial No. 20x04001] (3/3) Pin No. Port Name Terminal Name Input/Output Function 70 P22/A2(/D2/D1) CD_FUNC Output CD power control - Sharp SD-EX101 | Service Manual - Page 77
ICA100 RH-iX0498AWZZ: 7th Order Modulation Conversion LSI (IX0498AW) SD-EX100 SD-EX101 Pin No. Port Name Input/Output Function 1 VDDL terminal. Clock necessary for the system is generated. 11 GNDX - Oscillation section ground terminal. 12* MCK Output System clock output terminal. 13* - Sharp SD-EX101 | Service Manual - Page 78
SD-EX100 SD-EX101 ICA106,ICA107 VHiSLA5505M-1: Switching Audio Power Amp. (SLA5505M) Pin No. Terminal Name Function 1 SA Output stage low-side source terminal. 2 OUTA Output stage switching output. 3* N.C. Unused. 4 VBBA Output stage power - Sharp SD-EX101 | Service Manual - Page 79
CONNECTION OF EXTENSION CABLE SD-EX100 SD-EX101 EXTENSION PWB FOR DISPLAY PWB QCNWN2363AWZZ DISPLAY PWB QCNWN2358AWZZ QCNWN2360AWZZ CD SERVO PWB QCNWN2362AWZZ EXTENSION PWB FOR CD SERVO PWB TO 1-BIT AMP. UNIT POWER - Sharp SD-EX101 | Service Manual - Page 80
SD-EX100 SD-EX101 TO TERMINAL PWB CNP706 TO TERMINAL PWB CNP707 1 2 3 4 5 6 7 8 9 1011 1 2 3 4 5 6 7 8 9 10 11 12 13 EXTENSION PWB FOR CD SERVO PWB (RUNTK0681AFZZ) 1 10 1 10 1 5 1 10 1 10 1 5 1 2 3 4 5 6 7 8 9 1011 1 2 3 4 5 6 7 8 9 - Sharp SD-EX101 | Service Manual - Page 81
1 10 1 3 1234567 1234567 CNS800 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 CNS801 POWER AMP. PWB CNP501 CNS501 TO POWER TRANSFORMER PWB CNP502 1 2 3 4 5 6 7 8 9 10 7 6 5 10 9 8 7 6 5 4 3 2 1 4 CNS502 3 2 1 FUSE PWB QCNWN2359AWZZ 7 6 5 4 3 2 1 SD-EX100 SD-EX101 - 81 - - Sharp SD-EX101 | Service Manual - Page 82
QCNWN2359AWZZ RD GY WH GY WH GY WH CNP503 CNS503 TO POWER AMP. PWB SD-EX100 SD-EX101 1 23456 7 CNP501 TO FUSE PWB CNS501 1 234 56 7 1 7 CNW501 POWER TRANSFORMER PWB 5 5 4 4 3 3 2 2 1 1 QCNWN2364AWZZ FROM EXTENSION PWB FOR POWER AMP. PWB FROM EXTENSION PWB FOR CD - Sharp SD-EX101 | Service Manual - Page 83
SD-EX100 SD-EX101 10 15 15 14 14 13 13 12 12 11 11 10 10 9 9 8 8 7 7 1 6 6 5 5 4 4 10 3 3 2 2 1 1 EXTENSION PWB FOR DISPLAY PWB (RUNTK0685AFZZ) 1 10 12 12 11 11 - Sharp SD-EX101 | Service Manual - Page 84
SD-EX100 SD-EX101 FLD01: VVK13SM14T+-1 FL DISPLAY C D DVD M D GROUP VCD PBC SP LP2 LP4 MONO 1 DATE TOTAL ANGLE TUNER AUX GROUP DISC TRACK VTR VCR RDS RT TP - Sharp SD-EX101 | Service Manual - Page 85
PARTS GUIDE SD-EX100 SD-EX101 1-BIT DIGITAL AUDIO SYSTEM MODEL SD-EX100 SD-EX100 1-Bit Digital Audio System consisting of SD-EX100 (main unit) and CP-EX100 (speaker system). MODEL SD-EX101 SD-EX101 1-Bit Digital Audio System consisting of SD-EX101 (main unit) and CP-EX101 (speaker system). "HOW - Sharp SD-EX101 | Service Manual - Page 86
SD-EX100 SD-EX101 NO. PART CODE PRICE RANK DESCRIPTION NO. PARTS CODE PRICE RANK ,IX0498AW J AZ Switching Audio Power Amp., SLA5505M J AH Quad 2 Input and Gate, TC74AC8T J AX FL Driver,M66005 J AY System Microcomputer, IX0526AW [To Serial No. 20x04000] J AY System Microcomputer, IX0567AW [From - Sharp SD-EX101 | Service Manual - Page 87
C565 C566 C567 C570 C571 C572,573 C574 C575,576 C577 PARTS CODE PRICE RANK SD-EX100 SD-EX101 DESCRIPTION VCKYCY1EB223K J VCEAEA1HW105M J VCKYCY1HB102K J VCKYCY1CB473K J VCEAEA1CW106M J VCTYPA1CX103K J VCKYCY1HB331K J VCCCCY1HH101J J VCEAEA1EW476M J VCEAZA1AW107M J VCKYCY1EB223K J VCKYCY1HB102K - Sharp SD-EX101 | Service Manual - Page 88
SD-EX100 SD-EX101 NO. PART CODE PRICE RANK DESCRIPTION C578 C579 C580 C581 C582 C583 C584 C701 C702 C703 C705~707 C708,709 C710 C711 C712,713 C714 - Sharp SD-EX101 | Service Manual - Page 89
R564 R565 R566 R567,568 R569 R570 R571 R572~575 R576 R577 R578 R579 R580 R581 R582 R583 R584 R585 R586 PARTS CODE PRICE RANK SD-EX100 SD-EX101 DESCRIPTION VRS-CY1JB682J J AA 6.8 kohms,1/16W VRS-CY1JB681J J AA 680 ohms,1/16W VRS-CY1JB470J J AA 47 ohms,1/16W VRS-CY1JB331J J AA 330 ohms,1/16W - Sharp SD-EX101 | Service Manual - Page 90
SD-EX100 SD-EX101 NO. PART CODE PRICE RANK DESCRIPTION R587 R588,589 R590 R591 R592 R595 R596 R597 R598 R701 R702,703 R704 R705,706 R707 R708 R709 - Sharp SD-EX101 | Service Manual - Page 91
FL Display AE Terminal,Speaker AF Jack,Headphones AD AC Rail,Guide AD Shaft,Guide BD Pickup SD-EX100] Rear Panel [From 207xxxxx][SD-EX100] AN Rear Panel [To 206xxxxx][SD-EX101] AN Rear Panel [From 207xxxxx][SD-EX101] AY Rear Cabinet AD Door,CD AC Bracket,Mechanism Frame AE Bracket,Stabilizer Support - Sharp SD-EX101 | Service Manual - Page 92
AF Cover,Fuse PWB AB Cushion,Leg AA Cushion,Magnet AA Cushion,Stabilizer Support AC Cushion,Barrier AF Magnet AN Heat Sink,A (1-Bit Amp.) AN Card AK Operation Manual AD FM Antenna AW Speaker Wire AM Leg Cushion,Speaker [SD-EX100] AN Leg Cushion,Speaker [SD-EX101] AK Quick Guide P.W.B. ASSEMBLY ( - Sharp SD-EX101 | Service Manual - Page 93
NO. PART CODE PRICE RANK DESCRIPTION OTHER SERVICE PARTS QCNWN2358AWZZ J QCNWN2359AWZZ J QCNWN2360AWZZ J QCNWN2362AWZZ J QCNWN2363AWZZ J QCNWN2364AWZZ J QCNWN2366AWZZ J QCNWN2367AWZZ J 5Pin Extension PWB,CD Servo Extension PWB,Power Amp. Extension PWB,Display SD-EX100 SD-EX101 - 8 - - Sharp SD-EX101 | Service Manual - Page 94
SD-EX100 SD-EX101 A 306-2 306 306-1 306-3 701 704 B 701 304 C 302 301 702 D 303 E NM801 F 307x2 G 703x2 SW4 307 NM802 307 H PWB-G 1 2 3 4 5 6 Figure 9 CD MECHANISM EXPLODED VIEW - 9 - - Sharp SD-EX101 | Service Manual - Page 95
SD-EX100 SD-EX101 611x2 607x4 204 603x5 202 609 A 206 243 620x6 202-2 202-1 222 205 CD MECHANISM 252 202-3 602x2 609x2 606x2 209 608x4 MM1 217 PWB- - Sharp SD-EX101 | Service Manual - Page 96
SD-EX100 SD-EX101 CP-EX100 A SP3, SP4 TWEETER RD BK SP1, SP2 WOOFER NETWORK ASS'Y SP3, SP4 TWEETER BK YL B GR SPEAKER TERMINAL BK CAPACITOR COIL 6.8µF 50V 0.54mH CAPACITOR 2.7µF 100V 904 SP1, SP2 WOOFER 901 C 903 SP3, SP4 911x3 D 907x4 SPEAKER TERMINAL NETWORK ASS'Y 914 902 - Sharp SD-EX101 | Service Manual - Page 97
SP3, SP4 A TWEETER RD BK NETWORK ASS'Y BK B GR YL SPEAKER TERMINAL BK 901 SP1, SP2 WOOFER 907 C SD-EX100 SD-EX101 914x6 903 915x2 918 D E F 908, 909 G H 1 916x2 912 905, 906 SP3, SP4 904 911 916x4 917x4 SP1, SP2 913 SP1, SP2 WOOFER SP3, SP4 TWEETER - Sharp SD-EX101 | Service Manual - Page 98
SPAKA0379AWZZ Remote Control Registration Card CABINET R SPEAKER FRONT Quick Guide Operation Manual Battery Pad,Spacer SPAKZ0897AWZZ : Not Replacement Item Packing Case SPAKC1495AWZZ [SD-EX100] SPAKC1501AWZZ [SD-EX101] Label,Bar Code TLABR1271AWZZ [SD-EX100] TLABR1287AWZZ [SD-EX101] - 13 - - Sharp SD-EX101 | Service Manual - Page 99
-MEMO- SD-EX100 SD-EX101 - Sharp SD-EX101 | Service Manual - Page 100
SD-EX100 SD-EX101 COPYRIGHT © 2002 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system prior written permission of the publisher. SHARP CORPORATION AV Systems Group Audio Systems Division Higashihiroshima, Hiroshima 739-0192, Japan
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SD-EX100
SD-EX101
SERVICE MANUAL
SHARP
CORPORATION
No. S6248SDEX100/
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SD-EX100
MODEL
1-BIT DIGITAL AUDIO SYSTEM
SD-EX100 1-Bit Digital Audio System consisting of SD-EX100
(main unit) and CP-EX100 (speaker system).
SD-EX101
MODEL
SD-EX101 1-Bit Digital Audio System consisting of SD-EX101
(main unit) and CP-EX101 (speaker system).
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
Illustration: SD-EX100
Illustration: SD-EX101
CONTENTS
Page
SPECIFICATIONS
.............................................................................................................................................................
2
NAMES OF PARTS
...........................................................................................................................................................
2
DISASSEMBLY
..................................................................................................................................................................
4
REMOVING AND REINSTALLING THE MAIN PARTS
.....................................................................................................
8
WIRING PROCESS DIAGRAM
.........................................................................................................................................
8
EXPLANATION OF CD MECHANISM
...............................................................................................................................
9
ADJUSTMENT
.................................................................................................................................................................
14
DESCRIPTION OF CIRCUIT FOR 1-BIT UNIT
...............................................................................................................
16
TO CHECK AND CANCEL PROTECT CIRCUIT DETECTION LINE
..............................................................................
17
TEST MODE
....................................................................................................................................................................
18
NOTES ON SCHEMATIC DIAGRAM
..............................................................................................................................
23
TYPES OF TRANSISTOR AND LED
...............................................................................................................................
23
VOLTAGE
........................................................................................................................................................................
24
BLOCK DIAGRAM
...........................................................................................................................................................
25
SCHEMATIC DIAGRAM
..................................................................................................................................................
30
WIRING SIDE OF P.W.BOARD
.......................................................................................................................................
45
WAVEFORMS OF 1-BIT CIRCUIT
..................................................................................................................................
58
WAVEFORMS OF CD CIRCUIT
......................................................................................................................................
59
CD OPTICAL PICKUP LENS CLEANING
........................................................................................................................
61
TROUBLESHOOTING
.....................................................................................................................................................
61
FUNCTION TABLE OF IC
................................................................................................................................................
66
CONNECTION OF EXTENSION CABLE
........................................................................................................................
79
FL DISPLAY
.....................................................................................................................................................................
84
PARTS GUIDE/EXPLODED VIEW