Sharp LC-26SB14U Service Manual
Sharp LC-26SB14U - 26" LCD TV Manual
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- Sharp LC-26SB14U | Service Manual - Page 1
SERVICE MANUAL No.S480ILC26SB14 LCD COLOR TELEVISION MODEL LC-26SB14U In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used. CONTENTS Page • SERVICING NOTICES - Sharp LC-26SB14U | Service Manual - Page 2
parts for safety which is indicated in the circuit diagram or the table of parts as a mark, the designated parts must be used. 4. BE CAREFUL WITH THE LCD PANEL Avoid a shock to the panel while servicing terminal on TV and turn on the TV. 3. Insulation resistance between the cord plug terminals and - Sharp LC-26SB14U | Service Manual - Page 3
86oF~104oF(30oC~40oC) higher. Please use a soldering iron with temperature control and adjust it to 650oF ± 20oF (350oC ± 10oC). In case • All products with the printed circuit board with PbF printing must be serviced with lead free solder. When soldering or unsoldering, completely remove all of - Sharp LC-26SB14U | Service Manual - Page 4
Mode RGB Signal Output Level Audio Signal Input Level Output Level at DVD at TV Digital Output Level S/N Ratio at DVD (Weighted) Harmonic Distortion Frequency Response : at DVD at Video CD at SVCD at CD G-4 Power Power Source AC DC Power Consumption at AC at DC Stand by (at AC - Sharp LC-26SB14U | Service Manual - Page 5
Remote Control GENERAL SPECIFICATIONS Unit Glow in Dark Remocon Remocon Format Format Custom Code Power Source Voltage(D.C) UM size x pcs Total Keys Keys POWER FUNCTION Source POWER D FAVORITE SLEEP AUDIO AV MODE CC RC-MQ No SHARP SHARP 10000 / 10001 3V UM-3 x 2 pcs 39 Keys Yes - Sharp LC-26SB14U | Service Manual - Page 6
Picture Setting(TV) AV Mode(Picture Preference) Brightness , Contrast , Color Tint Sharpness Color Temperature DNR Cable Clear Picture Setting(PC) HOR Position , VER Position Phase, Clock Red, Green, Blue Auto Adjust Audio MTS Tone Control (Bass/Treble/Balance) Stable Sound Surround - Sharp LC-26SB14U | Service Manual - Page 7
Size W x H(mm) Screw Size Owner's Manual Language w/Guarantee Card Remote Control Unit Rod Antenna Poles Terminal Loop Antenna Terminal U/V Mixer DC Car Cord (Center+) Guarantee Card Warning Sheet Circuit Diagram Antenna Change Plug Service Facility List Important Safeguard Dew - Sharp LC-26SB14U | Service Manual - Page 8
Power SW Power/Stand-By On Timer Side Video Input 1 Audio Input 1 S - Input 1 Video Input 2 Audio Input 2 S - Input 2 Video Output Audio Output Component Input 1 Analog Audio Component Input 2 Analog Audio HDMI Input 1 Analog Audio HDMI Input 2 Analog Audio Sub Woofer Out PC - Sharp LC-26SB14U | Service Manual - Page 9
DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS 1-1: BACK CABINET (Refer to Fig. 1-1) 1. Remove the 14 screws (1). 2. Remove LCD Block in the direction of arrow (A). 5. Remove the 4 screws (2). 6. Remove the Angle Main. Fig. 1-1 1-2: OPERATION PCB/OPERATION2 PCB and STAND - Sharp LC-26SB14U | Service Manual - Page 10
DISASSEMBLY INSTRUCTIONS 1-5: DIGITAL PCB (Refer to Fig. 1-5) 1. Disconnect the following LCD (Refer to Fig. 1-7) 1. Remove the 4 screws (1). 2. Remove the screw (2). 3. Remove the Cover LCD in the direction of arrow. (2) (1) (1) (1) (1) Cover LCD LCD Panel (B) Fig. 1-7 Fig. 1-6 1-6: POWER - Sharp LC-26SB14U | Service Manual - Page 11
DISASSEMBLY INSTRUCTIONS 2. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC REMOVAL 1. Put Masking Tape (cotton tape) around the Flat Package IC to protect other parts from any damage. (Refer to Fig. 2-1.) NOTE Masking is carried out on all the parts located within 10 mm distance from IC leads. 3. - Sharp LC-26SB14U | Service Manual - Page 12
DISASSEMBLY INSTRUCTIONS INSTALLATION 1. Take care of the polarity of new IC and a magnifying glass. Confirm that no abnormality is found on the soldering position and installation position of the parts around the IC. If some abnormality is found, correct by resoldering. NOTE When the IC leads are - Sharp LC-26SB14U | Service Manual - Page 13
MODE LIST This unit is provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit and on the remote control for more than a the standard time in the appropriate condition - Sharp LC-26SB14U | Service Manual - Page 14
be checked on the screen. Total hours are displayed in 16 system of notation. NOTE: If you set a factory initialization, the total hours is reset to "0". Please refer to "CONFIRMATION OF INITIAL DATA" when SUM DATA is not corresponding. 1. Turn on the POWER, and set to the TV mode. 2. Set the VOLUME - Sharp LC-26SB14U | Service Manual - Page 15
4. Press the MENU button on the remote control to end the adjustments. 5. To display the adjustment screen for TV, AV, COMPONENT, HDMI and PC mode, press the INPUT button on the remote control. 6. Receive the DIGITAL broadcasting. 7. To display the adjustment screen for DTV mode, select the digital - Sharp LC-26SB14U | Service Manual - Page 16
set correctly referring below. (TV/AV/COMPONENT/HDMI/PC/DTV) NO. FUNCTION AV COMPONENT HDMI PC TV GAME CVBS Y/C 480i/576i 480p 511 511 511 - 511 511 511 511 511 511 511 511 511 - - 511 511 511 511 511 511 - 41 SHARP V1 MIN 0 0 0 - 0 0 0 0 0 0 0 0 0 - - 0 0 0 0 0 - Sharp LC-26SB14U | Service Manual - Page 17
3. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) LCD PANEL CD2804 DIGITAL PCB CP2804 CP3001 CP4302 TU5801 J4301 CP3602 CP3601 CP4303 CD406 REMOCON PCB CP2201 OS2201 CD2201 CD301 CP406 CP4201 CP302 SPEAKER CP401 CP4203 J4201 J4202 J4206 J4205 J4203 POWER PCB - Sharp LC-26SB14U | Service Manual - Page 18
(LCD SECTION) POWER DOES NOT TURN ON TROUBLESHOOTING GUIDE Yes Is F401 broken? No No Is there voltage at pin 1 of IC402 6V? Yes Yes Is R412 broken? No Is there voltage at pin - Sharp LC-26SB14U | Service Manual - Page 19
TROUBLESHOOTING GUIDE THE PICTURE APPEARS, BUT THE AUDIO DOES NOT APPEARS. (AT RF MODE) No Is CP302 connected? Yes Is there signal at pins Yes 1 and 4 of CP302? No Yes Is there signal - Sharp LC-26SB14U | Service Manual - Page 20
TROUBLESHOOTING GUIDE THE PICTURE DOES NOT APPEAR No Does backlight shine? Yes No Is CD2804 connected? Yes Is there voltage at pins No 1, 2, 3, 4 and 5 of CP2804 5V? Yes Is there signal at pins 13, Yes 14, 16, 17, 19, 20, 22, 23, 25 and 26 of CP2804? No Change DIGITAL PCB. Is there voltage at - Sharp LC-26SB14U | Service Manual - Page 21
TROUBLESHOOTING GUIDE THE COLOR DOES NOT APPEAR No Is setting of color normal? Yes No Is the color signal received? Yes No Is there color signal at IC2801? Yes Change DIGITAL PCB. Adjust the color. Receive the color signal. Check IC2801 and peripheral circuit. E-4 - Sharp LC-26SB14U | Service Manual - Page 22
) LA5779-E FEED BACK IC408 SW PS2561AL1-1-V(W) 41 32 31 CP401__1.TUNER+30V CP401__7.8. AT+5V CP401__2. POWER FAIL CP401__6.P.CON+5V CP401__3. SYS_POWER_H CP401__18.SW+12V CP406__1,2,3,4,5. +24V SOUND AMP IC302 AN17808B CP401__11,12. LCD+B CP401__13. LCD_H REGULATOR IC403 KIA431A-AT F-1 F-2 - Sharp LC-26SB14U | Service Manual - Page 23
LCD+B 12 13 LCD_H 14 P.CON+9V 15 GND 16 17 STBY_H 18 SW+12V 19 REMOCON_IN 20 LIGHT_CTL 21 KEY_A 22 LIGHT_POWER_H 23 KEY_B POWER(DIGITAL PCB) BLOCK DIAGRAM IC5801 AN5832SA-E1V AUDIO ADC IC6551 AK5358A SCALER IC IC2801 R8J66954BG DC/DC FET IC3004 TPC6108 LCD PANEL V2301 V260B1- - Sharp LC-26SB14U | Service Manual - Page 24
DIAGRAM AUDIO OUT J4301 AV3-13P2-60S1 OUT ANALOG AUDIO OUT L/R COAXIAL CVBS IN1/ S AUDIO IN AV 1 CVBS IN J4206 RCA-349-00C-02 AV 1 AUDIO L/R SW AUDIO L CVBS IN2/YUV AUDIO IN AV 2 CVBS IN J4205 RCA-349-00C-02 AV 2 AUDIO L/R AUDIO SW IC IC6502 NJM2750M(TE1) PC/DVI AUDIO IN IN J4201 PC - Sharp LC-26SB14U | Service Manual - Page 25
R4320 TU5801 C4329 C4332 R4342 R4336 R4335 Q4310 R4345 C4339 R4341 C4341 C3417 R4309 R4323 L3401 R4332 R4344 R4340 R4334 C3401 C3402 CP4303 PC B2820 B2821 B4308 Q4304 C2914 C4336 C4328 R4329 R4326 R4321 B3601 Q3601 25 37 HDMI D3631 R3636 R3638 D3630 W826 R3630 R3631 Q3607 - Sharp LC-26SB14U | Service Manual - Page 26
G-3 D3610 IC3601 D3611 IC3602 C3605 R3610 R3614 R3616 W835 C3604 R3609 R3613 R3615 PRINTED CIRCUIT BOARDS DIGITAL (BOTTOM SIDE) R4347 R4346 R4343 R4303 R4304 R4305 R3401 C3418 C3419 R3404 R3435 R3403 R3434 R3432 Q3408 R3431 Q3403 R3407 R3408 R3402 R3417 R3418 R3416 R3420 Q3401 Q3412 - Sharp LC-26SB14U | Service Manual - Page 27
R511 R431 D410 D426 HS403 IC401 W065 W004 R410 C407_3 Q401 R401 D408 W079 R412 C403_1 C404_1 C406 PRINTED CIRCUIT BOARDS POWER/REMOCON/OPERATION (INSERTED PARTS) SOLDER SIDE IC409 CEG353A D407 W834 W023 W814 W047 W002 R4284 CP4203 CEG361A W019 W015 W012 W016 W025 CP401 C502_2 - Sharp LC-26SB14U | Service Manual - Page 28
G-7 R4273 PRINTED CIRCUIT BOARDS POWER/OPERATION (CHIP MOUNTED PARTS) SOLDER SIDE CEG361A R4207 R4203 R4216 R4215 D4211 D4212 D4210 R4267 R4275 R4269 C4224 R4271 R4240 C4221 R4277 D4207 C4227 R4248 C4220 R4201 R4270 R4241 - Sharp LC-26SB14U | Service Manual - Page 29
B12 D5 D12 D4 B11 D3 D11 D2 B10 D1 D10 D0 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION - Sharp LC-26SB14U | Service Manual - Page 30
VCCQ18 W12 1.8 VSS U12 0 VSS U11 0 VSS Y10 0 VCCQ18 U10 1.8 1 A H-3 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN - Sharp LC-26SB14U | Service Manual - Page 31
VIDEO/AUDIO HP_RST FROM SCALER POWER VDD33 2SK3019_TL D G S R3630 3.3K R3631 3.3K B1+ GND B2- B2+ SEL 0 GND 25 26 27 28 29 30 31 32 33 34 35 36 3.1 3.1 0 3.1 3.1 3.3 3.1 3.1 DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE:THE DC VOLTAGE AT EACH PART - Sharp LC-26SB14U | Service Manual - Page 32
MICON EXT_MUTE-H TO AV SWITCH2 SW_L SW_R AV1_Y AV1_C FROM/TO SCALER VIDEO/AUDIO PC_V PC_H S1_DET AV1_CVBS AV2_CVBS VGA-R VGA-G VGA-B AV3/AV4_Y AV3/AV4_PB THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED - Sharp LC-26SB14U | Service Manual - Page 33
+ GND 24 RXIN1- 23 RXIN1+ 22 GND 21 RXIN2- 20 CD2804 V2301_1 V260B1-L01_M RXIN2+ 19 CURU1704 LCD PANEL 6 GND 18 RXCLK IN- 17 RXCLK IN+ 16 PLL POWER LVDS_CH0 D1.0V VDD_PANEL B2808 HCB1608KF-221T20 B2809 HCB1608KF-221T20 1.0 E13 PLLDVDD_1 1.0 B17 PLLDVDD_2 LVDS0OUT3M G20 - Sharp LC-26SB14U | Service Manual - Page 34
C D E F G MICON SCHEMATIC DIAGRAM (DIGITAL PCB) KEY_A KEY_B FROM/TO NC NC 9 RESET 10 GND 11 GND FLASH_WRITE_TXD MODE AT+5V CNVSS FLASH_WRITE_RXD RESET RESET IC IC6201 PST3229NR 29 28 27 26 25 KEY_B 3.4 DTV_RESET DC VOLTAGE AT EACH PART WAS MEASURED WITH THE /AUDIO - Sharp LC-26SB14U | Service Manual - Page 35
C2898 1 B C D E F SCALER POWER SCHEMATIC DIAGRAM (DIGITAL PCB) SCALER IC IC2801 R8J66954BG 3.4 AUDIO AD_A3.3V TO HDMI VDD33 1 A H-13 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D NOTE:THE DC VOLTAGE AT EACH PART - Sharp LC-26SB14U | Service Manual - Page 36
R3402 100 FROM SCALER VIDEO/AUDIO 10V(2125) C3401 LOUT_FI 10V(2125) 10 C 3 C3402 ROUT_FI 10 C NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C NOTE:THE DC VOLTAGE AT EACH PART WAS - Sharp LC-26SB14U | Service Manual - Page 37
0.33 B 4 3 2 FROM/TO SCALER VIDEO/AUDIO I2C_DATA LEVEL SHIFT Q5802 2SK3019_TL 3.3 5.0 S G 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 3.5 PILOT DET NC NC 3.5 PLL L+R :THE DC VOLTAGE AT EACH PART WAS MEASURED NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE - Sharp LC-26SB14U | Service Manual - Page 38
POWER AD_A3.3V FROM/TO AV SWITCH2 SW_Y_IN SW_C_IN MCLK SDOUT LRCK BCLK C D E F SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM ASW0 ASW1 ASW2 VDIM LCD-H MCU_SCIRXD MCU_SCITXD IIC_OFF DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D NOTE:THE DC VOLTAGE AT EACH PART - Sharp LC-26SB14U | Service Manual - Page 39
ASW0 TU_AUDIO_L D3.3V 2125 C6571 10 B SW_R TU_AUDIO_R 2 1 A H-21 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD - Sharp LC-26SB14U | Service Manual - Page 40
-12 C D E F REGULATOR2 SCHEMATIC DIAGRAM (DIGITAL PCB) AT+5V 1V_CTL L3001 .0V GND 7 FROM/TO SCALER VIDEO/AUDIO LCD-H AT+3.3V VDIM D3.3V B3003 ( KRC103SRTK L3005 22uH TSL0808 TO SCALER POWER D3.3V D1.8V D1.0V NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER - Sharp LC-26SB14U | Service Manual - Page 41
P_GND SOUND+B SOUND_GND 5 D405 R412 B404 R429 1M 1/4W RCR C423 T401 81400854 B401 1.0 0 6.0 D416 31DQ06-FC 1N5406FL-6737 POWER CONTROL IC :THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED - Sharp LC-26SB14U | Service Manual - Page 42
SCHEMATIC DIAGRAM 8 (POWER PCB) G H 8 7 FROM POWER INV_SW+24V SW+12V[UNREG] AT+5V P_GND INV_GND INV_GND 6 LCD+B REG 820 +-1% +-1% LCD+B SW 0 Q411 KRC102SRTK 3.2 0 PANEL_POWER_H LCD-H TO SOUND P.CON+5V THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST - Sharp LC-26SB14U | Service Manual - Page 43
E F REGULATOR SCHEMATIC DIAGRAM 8 (POWER PCB) G H 8 7 FROM/TO POWER2 SW+12V VDIM BLON LCD-H LCD+B P.CON+5V SYS_POWER_H 6 FROM/TO POWER POWER_FAIL AT+34V AT+5V C D E CAUTION:SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY F CAUTION: DIGITAL - Sharp LC-26SB14U | Service Manual - Page 44
A B C D E F AV SWITCH SCHEMATIC DIAGRAM 8 (POWER PCB) 7 G H 8 7 6 6 5 4 3 2 1 A H-31 AV3_PB AV3_Y W883 AR2 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE - Sharp LC-26SB14U | Service Manual - Page 45
DIAGRAM (POWER PCB) G H 8 C344 0.0047 B C307 1B SOUND AMP IC IC302 AN17808B + ATT. + NC CH1 IN 1 2 RIPPLE FILTER RF GND CH2 IN 3 4 5 NC 0.2 20.0 0 0.2 + + - - ATT.CONT. NC CH2 OUT MUTE 6 7 8 0 NC 0.7 0 GND VCC STAND -BY CH1 OUT 9 10 11 12 0 19.0 3.3 0.7 C341 - Sharp LC-26SB14U | Service Manual - Page 46
A 8 PC/DVI AUDIO IN J4201 75 R4202 75 3 S1_DET AV1_Y AV1_C 2 D E F JACK SCHEMATIC DIAGRAM (POWER PCB) AV2_CVBS AR2 AL2 AV1_CVBS AR1 AL1 AV3_Y AV3_PB AV3_PR D4209 UDZSNP12B DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE:THE DC VOLTAGE AT EACH PART - Sharp LC-26SB14U | Service Manual - Page 47
ASWW2 ASW2 9 AUDIO_SW_L SW_L TO SOUND 6 8 GND 7 VIDEO02 6 4 STBY-H IR_REMO GND FROM POWER AT+5V P_GND 3 2 1 A H-37 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C NOTE:THE DC VOLTAGE AT EACH PART - Sharp LC-26SB14U | Service Manual - Page 48
+5V 3 STANDBY LED 4 POWER ON LED 5 OS 26 CD2201 E8253101 (OPERATION PCB) EVQ21505R SH POWER SW2201_3 R2213 EVQ21505R 10 R2214 10 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D NOTE:THE DC VOLTAGE AT EACH PART - Sharp LC-26SB14U | Service Manual - Page 49
E F G INTERCONNECTION DIAGRAM GND AT+5V SP302 POWER PCB PCB240 CEG353 NC E1 CVBS_IN_1 J4206 3245 H1 H2 H3 NC CD3805 J401 2 BLACK 1 WHITE PC/DVI AUDIO LCD+B 12 12 LCD PC_TOOL_TX 8 D3.3V 9 NC/RESET NC DB15ds CP4303 1 VGA-R RXIN0- 26 GND 27 PART WAS MEASURED WITH THE - Sharp LC-26SB14U | Service Manual - Page 50
5 2ms 500mV 6 WAVEFORMS MICON 20ns 200mV 10us 100mV 7 13 TUNER 10us 0.5V 8 10us 100mV 14 SCALER VIDEO/AUDIO 20us 500mV 9 AV SWITCH 2 2ms 100mV 15 20us 500mV 10 10us 0.5V 11 2ms 100mV 16 SOUND 1ms 200mV 17 10us 200mV 12 1ms 200mV 18 NOTE: The following waveforms were measured at the - Sharp LC-26SB14U | Service Manual - Page 51
JACK 2ms 100mV 19 2ms 100mV 20 WAVEFORMS NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. I-2 - Sharp LC-26SB14U | Service Manual - Page 52
121 203 104C 202 202 104C 104C 104B 104C 104 210 206 206 117 206 206 206 120 129 129 208 122 108 201 PCB240 (POWER PCB ASS'Y) 204 201 203 PCBDH0 (DIGITAL PCB ASS'Y) 210 111 210 206 130 113 107 210 130 206 111 205 206 106A 123 114 - Sharp LC-26SB14U | Service Manual - Page 53
MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) CD3805 HOLDER CORD TM101 POLYBAG INSTRUCTION(RED CAUTION) INSTRUCTION BOOK(E/F/S) REGISTRATION CARD PACKAGE TOP PACKAGE STAND-TOP PACKAGE STAND-BOTTOM SCREW LAMIFILM BAG GIFT BOX PACKAGE BOTTOM J-2 SHEET BARCODE - Sharp LC-26SB14U | Service Manual - Page 54
MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) PACKAGE STAND-TOP FILM BAG (791WHA0160) SCREW FILM BAG (791WHA0159) PACKAGE STAND-BOTTOM J-3 - Sharp LC-26SB14U | Service Manual - Page 55
LCD ASS'Y COVER LCD SPRING EARTH 107 8965TS1210 CUSHION W10/H12/L10 108 761WSA0459 SHIELD IC 109 706WPA0027 COVER CONNECTOR 110 706WPA0033 PLATE POWER 111 899RFC21V0 HOLDER CORD 125 723000D739 MERCURY CAUTION LABEL (SHARP) 126 723527A123 SHEET RATING 127 723000D814 SHEET JACK 128 - Sharp LC-26SB14U | Service Manual - Page 56
PARTS LIST REF. NO. PART NO. DESCRIPTION REMOCON PCB ASS'Y *** PCB *** PCBDA0 A34N02PDA0 REMOCON PCB ASS'Y *** DIODES *** D2201 0021E9Q010 LED *** CONNECTORS *** CP2201 069S250639 CONNECTOR PCB SIDE *** OTHERS *** OS2201 077A033001 REMOTE DC-DC CONVERTER CONTROLLER I0GF95ZN10 VO=0.8-3.5V - Sharp LC-26SB14U | Service Manual - Page 57
ELECTRICAL REPLACEMENT PARTS LIST Q3409 Q3410 Q3411 Q3412 Q3601 Q3602 Q3603 Q3606 Q3607 Q3608 Q3609 Q3610 Q3611 Q4301 Q4303 Q4304 Q4306 Q4307 Q4308 Q4310 Q4311 Q4312 Q5801 Q5802 - Sharp LC-26SB14U | Service Manual - Page 58
06CK7N0301 CORD CONNECTOR 069S230639 CONNECTOR PCB SIDE A2006WR0-2X15P-HK TWG-P23P-A1 5-1903015-4 5-1903015-4 TWG-P23P-A1 A2001WR2-3P *** CRYSTAL & CERAMIC OSCILLATORS *** X2801 X2802 X3601 X6201 X6551 100GT02728 CRYSTAL 100GT02509 CRYSTAL 100GT01807 CRYSTAL 100GT01615 CRYSTAL 100DT01217 CRYSTAL - Sharp LC-26SB14U | Service Manual - Page 59
ELECTRICAL REPLACEMENT PARTS LIST C346 C349 C350 C401 ! C402 ! C403 ! C404 ! C406 ! C423 C424 C430 ! C433 C434 ! C435 ! C438 IC302 ! IC401 ! IC402 ! IC403 ! IC404 ! IC405 ! IC406 ! IC407 I0FSP7808B SOUND AMP STEREO I2GT050380 VDS=500V RDS1=0.77 RDS2=0.38 I5SD0P2F40 VD=700V RDS(ON)=9.5OHM I1KJ9A431A - Sharp LC-26SB14U | Service Manual - Page 60
ELECTRICAL REPLACEMENT PARTS LIST ! IC408 IC409 ! IC410 IC411 IC6502 000220002W PHOTO COUPLER I1KA97809A 9V REGULATOR 1A 000220002W PHOTO COUPLER I5HJ0170B0 REGULATOR VO=3.3V IO=800MA I0QF027500 4INPUT 1OUTPUT AUDIO SW *** TRANSISTORS *** PS2561AL1-1-V(W) KIA7809API PS2561AL1-1-V(W) S-1170B33UC- - Sharp LC-26SB14U | Service Manual - Page 61
ELECTRICAL REPLACEMENT PARTS LIST ! F404 FH401 FH402 0835C02003 CORD CONNECTOR 06E8253101 CORD CONNECTOR 06E8232701 CORD CONNECTOR E8144301 E82E1301 E8253101 E8232701 ! SP301 ! SP302 070Y056007 SPEAKER 070Y056007 SPEAKER S0412F06 S0412F06 TM101 076B0MQ051 TRANSMITTER ! V2301 09EV126010 LCD - Sharp LC-26SB14U | Service Manual - Page 62
RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. SHARP ELECTRONICS CORPORATION Sharp Plaza. Mahwah
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In the interests of user-safety (Required by safety regulations in some countries) the set should be restored
to its original condition and only parts identical to those specified should be used.
MODEL
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LCD COLOR TELEVISION
CONTENTS
No.S480ILC26SB14
SERVICING NOTICES ON CHECKING
..............................................................................
HOW TO ORDER PARTS
....................................................................................................
IMPORTANT
.........................................................................................................................
ABOUT LEAD FREE SOLDER (PbF)
....................................................................................
GENERAL SPECIFICATIONS
..............................................................................................
DISASSEMBLY INSTRUCTIONS
.........................................................................................
SERVICE MODE LIST
..........................................................................................................
WHEN REPLACING
EEPROM (MEMORY) IC
...................................................................
ELECTRICAL ADJUSTMENTS
............................................................................................
TROUBLESHOOTING GUIDE
...............................................................................................
BLOCK DIAGRAM
................................................................................................................
PRINTED CIRCUIT BOARDS
..............................................................................................
SCHEMATIC DIAGRAMS
....................................................................................................
WAVEFORMS
......................................................................................................................
MECHANICAL EXPLODED VIEWS
.....................................................................................
REPLACEMENT PARTS LIST
.............................................................................................
Page
A1-1
A1-1
A1-1
A1-2
A2-1~A2-5
B1-1~B2-2
C-1
C-2
D-1~D-3
E-1~E-4
F-1~F-6
G-1~G-8
H-1~H-40
I-1, I-2
J-1
K1-1~K2-6
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•
•
•
•
•
•
•
•
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LC-26SB14U
SERVICE MANUAL
SHARP CORPORATION
Parts marked with “
!
“ are important for maintaining the safety of the set.
Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.