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19

LC-13B4E
LC-15B4E

TROUBLE SHOOTING TABLE

 (Continued)

No picture (2/3)

Check all the settings microprocessor's adjust process menu.

Is input at pin 

(14) of IC806 

normal?

Check the V2_V 

line and its

peripheral parts.

No

No VIDEO 1

output

Check the  SY-line, 

SC-line and their 

peripheral parts.

Is input at pin (9) 

of IC806 and pin 

(1) of IC803

normal?

No

No S-VIDEO 

output

Check IC1201 

and its

peripheral parts.

No

Yes

Yes

No TELETEXT 

output

Is input at pins 

(136), (137), (138), 

and (142) of 

IC1201 normal?

No

Check the R, G 

and B line.

Is output at pins 

(57)~(59) of IC1601 

normal?

No

Yes

Check V2VO line 

and its peripheral 

parts.

Is input at pin (21) of 

IC1601 normal?

Check IC1601 and its 

peripheral parts.

Summary of Contents for AQUOS LC-13B4E

Page 1: ...uld be used CONTENTS IMPORTANT SERVICE SAFETY PRECAUTION 2 SPECIFICATIONS 4 OPERATION MANUAL 5 DIMENSIONS 7 REMOVING OF MAJOR PARTS 9 ADJUSTING PROCEDURE OF EACH SECTION 13 TROUBLE SHOOTING TABLE 17 CHASSIS LAYOUT 23 BLOCK DIAGRAM 24 OVERALL WIRING DIAGRAM 26 DESCRIPTION OF SCHEMATIC DIAGRAM 28 SCHEMATIC DIAGRAM 29 PRINTED WIRING BOARD ASSEMBLIES 55 REPLACEMENT PARTS LIST 65 PACKING OF THE SET 79 ...

Page 2: ... otherwise noted 4 All resistors are Carbon type unless otherwise noted C Solid W Cement S Oxide Film T Special N Metal Coating CAPACITOR 1 All capacitors are µF unless otherwise noted P pF µµF 2 All capacitors are 50V unless otherwise noted 3 All capacitors are Ceramic type unless otherwise noted ML Mylar TA Tantalum PF Polypro Film ST Styrol CAUTION This circuit diagram is original one therefore...

Page 3: ...before servicing TO EXPOSED METAL PARTS CONNECT TO KNOWN EARTH GROUND Use an AC voltmeter having with 5000 ohm per volt or higher sensitivity or measure the AC voltage drop across the resistor Connect the resistor connection to all exposed metal parts having a return to the chassis antenna metal cabinet screw heads knobs and control shafts escutcheon etc and measure the AC voltage drop across the ...

Page 4: ...hich is higher than the conventional lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder cont...

Page 5: ...CC 12V 3 3V 2 5V REG IC1607 REG IC1605 3 3V REG IC703 8V 9V 16V TELETEXT CPU IC1601 SRAM 2M IC1612 FLASH 4M IC1611 DC AC INVERTER DRIVE Q6500 6505 DC AC TRANS T6500 6503 L_ERR LAMP ERROR DETECTOR Q3601 3602 OFL OFL REVERSE Q3606 OUTCON MPDA_5 MPCLK_5 DAC1CS OFL1 DPS IC1201 E2 PROM IC2008 L_ERR LEVEL SHIFT Q1602 1604 1606 VPC R G B FB RESET IC2006 RESET YIN0 7 SYNC SIGNAL SC2_OUT_L R AO_L R AUDIO A...

Page 6: ...s canceled it is made to turn it off Even off in the MAIN POWER key off with R C are good 3 Key operation in the adjustment process mode The receiving channel UP DOWN is performed with the CH ù Ù keys One push The UP DOWN tuning is performed per channel Continuous push The UP DOWN search is performed until a next receivable station is found Various adjustments The adjustment is performed for each ...

Page 7: ...5B4E 4 6 Precautions in replacing the EEPROMs IC2008 and IC2010 When the EEPROMs IC2008 and IC2010 have been replaced be sure to replace also the microprocessor IC2001 with the one Part No RH iXA522WJN1Q The version of the RH iXA522WJN1Q microprocessor is 1 20A Note 1 LC 13B4E 2 LC 15B4E Adjustment process page 2 2 4 4 4 4 4 4 4 4 4 4 13 13 13 13 13 Item R GAIN B GAIN TV GEQ BAND1 TV GEQ BAND2 TV ...

Page 8: ...here following If not make the PAL TAMP adjustment to get the Y reading in the range of AE thru BD 3 If the adjustment of PAL TAMP is executed write its adjustment value to the SECAM TAMP manually Screen of the page 2 of the adjustment processing menu OSD 5 4 White balance adjustment Adjust RCUTOFF and BCUTOFF on the page 2 of the adjustment processing so as to obtain the colour of the same level ...

Page 9: ...turns from green to red 2 If the situation 1 happens 5 times sequentially television can not be turned ON The power LED remains red 7 2 Countermeasures 7 2 1 Check when turning OFF the lamp error detection When television is turned OFF by the lamp error detection mentioned above it enters the adjustment process with the power LED red Entering the adjustment process turns OFF the error detection an...

Page 10: ... and connection cable Is T3701 s primary oscillator waveform normal Check T3701 s secondary load Yes Yes No No No No No Yes Check J3701 periphery and connection cable Replace F6500 F6501 Is the pin 120 of IC1201 in the H state Is the output of Q3606 in the L state Yes Yes No No No Yes Yes Check the OFL1 line IC1201 and their peripheral parts Check the OFL line Q3606 and their peripheral parts Chec...

Page 11: ...veform Yes Yes No No No picture at all Is voltages at pins 6 7 and 18 tuner normal Is output at pin 13 of tuner normal Check the power line Check tuner and its peripheral parts Is input at pin 16 of IC806 normal Is the pin 3 of IC806 at H state Yes Yes No No No No No Yes No TV output Is the pin 48 of IC2001 at H state Yes Check the its line Check the its line Check IC806 and its peripheral parts I...

Page 12: ...k the SY line SC line and their peripheral parts Is input at pin 9 of IC806 and pin 1 of IC803 normal No No S VIDEO output Check IC1201 and its peripheral parts No Yes Yes No TELETEXT output Is input at pins 136 137 138 and 142 of IC1201 normal No Check the R G and B line Is output at pins 57 59 of IC1601 normal No Yes Check V2VO line and its peripheral parts Is input at pin 21 of IC1601 normal Ch...

Page 13: ...o Colour is unusual Is in output of SPIO and SPOI normal No No picture image inversion No Gradation defect Is output of U D normal Yes No Check R1227 and its peripheral parts Check R1235 and its peripheral parts Check IC1202 Q1204 and their peripheral parts Check R1228 and its peripheral parts Check R1232 and its peripheral parts Is output V0 V7 V21 V64 V112 V176 V235 and V255 normal Check IC1101 ...

Page 14: ...and 7 of IC304 normal Yes Yes No No No Yes Muting effect is on Check the HP_MUTE line Check IC1901 and its peripheral parts Check IC304 and its peripheral parts No sound from headphone TV sound failure Is output at pins 33 and 34 of IC1901 normal Is output at pins 1 and 7 of IC3501 normal Check IC1901 and its peripheral parts Check IC3501 and its peripheral parts Yes No No No No sound from output ...

Page 15: ...re Yes No Check IC1901 and its peripheral parts Is output at pins 36 and 37 of IC1901 normal Check IC1902 and its peripheral parts Is output at pins 1 and 7 of IC1902 normal Check their lines and their peripheral parts Is input at pins 53 and 54 of IC1901 normal Check IC1901 and its peripheral parts Is output at pins 27 and 28 of IC1901 normal ...

Page 16: ...27 LC 13B4E LC 15B4E 26 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...

Page 17: ...29 6 5 4 3 2 1 A B C D E F G H LC 13B4E LC 15B4E SCHEMATIC DIAGRAM Ë R C LED and OPERATION Unit ...

Page 18: ...31 LC 13B4E LC 15B4E 30 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 7 ...

Page 19: ...33 LC 13B4E LC 15B4E 32 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 7 ...

Page 20: ...35 LC 13B4E LC 15B4E 34 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 7 ...

Page 21: ...37 LC 13B4E LC 15B4E 36 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 7 ...

Page 22: ...39 LC 13B4E LC 15B4E 38 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 7 ...

Page 23: ...41 LC 13B4E LC 15B4E 40 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 6 7 ...

Page 24: ...43 LC 13B4E LC 15B4E 42 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 7 7 ...

Page 25: ...45 LC 13B4E LC 15B4E 44 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 1 4 ...

Page 26: ...47 LC 13B4E LC 15B4E 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 2 4 ...

Page 27: ...49 LC 13B4E LC 15B4E 48 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 3 4 LC 13B4E ...

Page 28: ...51 LC 13B4E LC 15B4E 50 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 3 4 LC 15B4E ...

Page 29: ...53 LC 13B4E LC 15B4E 52 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 4 4 ...

Page 30: ...54 6 5 4 3 2 1 A B C D E F G H LC 13B4E LC 15B4E Ë INVERTER Unit ...

Page 31: ...23 6 5 4 3 2 1 A B C D E F G H LC 13B4E LC 15B4E CHASSIS LAYOUT MAIN Unit TUNER Unit R C LED Unit OPERATION Unit INVERTER Unit ...

Page 32: ...M 1Y J NJM2293M TE1 AG IC808 VHiNJM2268M 1Y J NJM2268M TE1 AF IC1101 VHiBD8120FP 1Y J BD8120FP AX IC1201 VHiDPS9450 1Q J DPS9450A XZ A1 BD IC1202 VHiTC4W66U 1Y J TC4W66FU AE IC1601 VHiSDA5550M 1Q J SDA5550M AZ IC1602 VHiBA05FP 1Y J BA05FP E2 AF IC1603 VHiPST3228N1EY J PST3228NR AB IC1604 VHiMM1501XN 1Y J MM1501XNRE AE IC1605 VHiMM1562FF 1Y J MM1562FFBE AE IC1606 VHiPST3221N1EY J PST3221NR AB IC160...

Page 33: ...104ZY J 0 1 25V Ceramic AA C804 RC KZA041WJZZY J 10 10V Ceramic AC C805 RC KZA041WJZZY J 10 10V Ceramic AC C806 VCKYCY1AB105KY J 1 10V Ceramic AB C807 VCKYCY1HB222KY J 2200p 50V Ceramic AA C808 VCCCCY1HH101JY J 100p 50V Ceramic AA C809 RC KZA041WJZZY J 10 10V Ceramic AC C810 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C812 RC KZA041WJZZY J 10 10V Ceramic AC C813 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C814 VC...

Page 34: ...627 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C1628 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C1629 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C1630 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C1631 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C1632 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C1633 VCKYTV1CF105ZY J 1 16V Ceramic AB C1634 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C1636 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C1639 VCKYCY1EF104ZY J 0 1...

Page 35: ...6W Metal Oxide AA R1258 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R1259 VRS CY1JF182JY J 1 8k 1 16W Metal Oxide AA R1260 VRS CY1JF000JY J 0 1 16W Metal Oxide AA R1262 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R1601 VRS TX2HF2R2JY J 2 2 1 2W Metal Oxide AB R1602 VRS CY1JF152JY J 1 5k 1 16W Metal Oxide AA R1603 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R1604 VRS CY1JF101JY J 100 1 16W Metal Oxide AA...

Page 36: ...JY J 22k 1 16W Metal Oxide AA R2060 VRS CA1JF101JY J 100 1 16W Metal Oxide AA R2061 VRS CA1JF101JY J 100 1 16W Metal Oxide AA R2063 VRS CY1JF223JY J 22k 1 16W Metal Oxide AA R2064 VRS CY1JF103JY J 10k 1 16W Metal Oxide AA R2065 VRS CY1JF103JY J 10k 1 16W Metal Oxide AA R2066 VRS CA1JF101JY J 100 1 16W Metal Oxide AA R2067 VRS CY1JF223JY J 22k 1 16W Metal Oxide AA R2068 VRS CY1JF101JY J 100 1 16W M...

Page 37: ...5V Ceramic AA C1929 RC EZ0417CEZZY J 150 16V Electrolytic AD C1930 VCKYCY1HB682KY J 6800p 50V Ceramic AA C1931 VCCCCY1HH101JY J 100p 50V Ceramic AA C1932 VCKYTV1CF105ZY J 1 16V Ceramic AB C1933 VCKYTV1CF105ZY J 1 16V Ceramic AB C1934 RC KZ0044TAZZY J 4 7 10V Ceramic AD C1935 VCCCCY1HH101JY J 100p 50V Ceramic AA C1936 RC KZ0044TAZZY J 4 7 10V Ceramic AD C1939 RC KZA041WJZZY J 10 10V Ceramic AC C194...

Page 38: ...1 16W Metal Oxide AA R1902 VRS CY1JF472JY J 4 7k 1 16W Metal Oxide AA R1903 VRS CY1JF472JY J 4 7k 1 16W Metal Oxide AA R1904 VRS CY1JF105JY J 1M 1 16W Metal Oxide AA R1907 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R1908 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R1911 VRS CY1JF102JY J 1k 1 16W Metal Oxide AA R1912 VRS CY1JF102JY J 1k 1 16W Metal Oxide AA R1913 VRS CY1JF471JY J 470 1 16W Metal Oxide...

Page 39: ...6W Metal Oxide AA R3748 VRS CY1JF102JY J 1k 1 16W Metal Oxide AA R3749 VRS CY1JF103FY J 10k 1 16W Metal Oxide AA R3750 VRS CY1JF391JY J 390 1 16W Metal Oxide AA R3751 VRS CY1JF273FY J 27k 1 16W Metal Oxide AA R3752 VRS CY1JF273FY J 27k 1 16W Metal Oxide AA R3753 VRS CY1JF103FY J 10k 1 16W Metal Oxide AA R3754 VRS TV1JD103JY J 10k 1 10W Metal Oxide AA R3755 VRS CY1JF103JY J 10k 1 16W Metal Oxide AA...

Page 40: ...andby Indicator AD D4015 RH EX1271CEZZY J Zener Diode 12V AB D4022 RH EX1271CEZZY J Zener Diode 12V AB CAPACITOR C4018 RC KZ1025CEZZY J 1 10V Ceramic AB RESISTORS R4001 VRS CY1JF562JY J 5 6k 1 16W Metal Oxide AA R4021 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R4023 VRS CY1JF472JY J 4 7k 1 16W Metal Oxide AA R4024 VRS CY1JF471JY J 470 1 16W Metal Oxide AA R4029 VRS CY1JF472JY J 4 7k 1 16W Metal Oxi...

Page 41: ...amic AA C6509 VCEA4A1CN108M J 1000 16V Electrolytic AD C6510 RC FZA034WJZZ J 0 15 250V Film AE C6511 RC FZA034WJZZ J 0 15 250V Film AE RESISTORS R6500 VRS TW2ED182JY J 1 8k 1 4W Metal Oxide AA R6502 VRS CY1JF103FY J 10k 1 16W Metal Oxide AA R6503 VRS CY1JF333JY J 33k 1 16W Metal Oxide AA R6504 VRS TW2ED182JY J 1 8k 1 4W Metal Oxide AA R6506 VRS CY1JF103FY J 10k 1 16W Metal Oxide AA R6507 VRS CY1JF...

Page 42: ...40WJSA J Stand Base AW 3 2 CDAi 1121CE02 J Stand Joint Ass y BA 3 2 1 Not Available Stand Joint 3 2 2 PSPAZ0083WJZZ J Spacer x2 AB 3 3 GCOVA1945CESA J Stand Grip AK 3 4 GLEGGA010WJZZ J Leg x6 AC 3 5 JHNDP0105CESA J Stand Handle AW 3 6 LANGG1196CEFW J Swivel Base AF 3 7 LANGG1198CEFW J Fixing Metal AE 3 8 LANGG1199CEFW J Fixing Metal AD 3 9 LX NZ3185CEFE J Nut x1 AC 3 10 MHNG 3051CEFW J Hinge AV 3 ...

Page 43: ... H G F 27 A 5 16 5 17 5 5 5 9 5 10 5 8 5 6 5 7 5 3 5 2 5 5 5 12 5 4 5 4 5 1 5 15 5 13 5 14 24 5 5 11 1 13 1 13 1 11 1 11 1 13 1 12 D E H F G MAIN PWB TUNER PWB 16 18 13 14 17 21 29 22 21 23 A 23 23 1 1 1 3 1 10 1 23 1 9 OPERATION PWB LC 15B4E LC 15B4E LC 13B4E LC 13B4E R C LED PWB 4 1 12 1 4 1 5 1 4 1 6 1 6 1 6 1 6 1 2 1 9 1 13 1 8 1 8 1 7 1 7 4 1 4 2 4 7 4 6 1 5 E B 23 24 9 20 11 8 24 INVERTER PW...

Page 44: ...Stand Ass y BM 3 1 GDAi A033WJSA J Stand Base AX 3 2 CDAi 1121CE01 J Stand Joint Ass y BA 3 2 1 Not Available Stand Joint 3 2 2 PSPAZA083WJZZ J Spacer x2 AB 3 3 GCOVA1945CESA J Stand Grip AK 3 4 GLEGGA010WJZZ J Leg x6 AC 3 5 JHNDP0105CESA J Stand Handle AW 3 6 LANGG1196CEFW J Swivel Base AF 3 7 LANGG1198CEFW J Fixing Metal AE 3 8 LANGG1199CEFW J Fixing Metal AD 3 9 LX NZ3185CEFE J Nut x1 AC 3 10 M...

Page 45: ...CEN1 J Guarantee Card LC 15B4E K TiNS A592WJZZ J Operation Manual TiNS A669WJZZ J Operation Manual LC 15B4E R å UADP A034WJPZ J AC Adapter ACCESSORIES LC 13B4E SPAKCA658WJZZ Packing Case SPAKFA331WJZZ Buffer Material Accessories SPAKPA211WJZZ Wrapping Paper SPAKXA300WJZZ Buffer Material SSAKA0170CEZZ Polyethylene Bag TLABK0001TAZZ Carton Label TLABAS016WJZZ GOST Label LC13B4E R LC 15B4E SPAKCA650W...

Page 46: ... B 6 Peel off the tape 7 Detach the connector from each PWB L R AUDIO OUT RGB AV IN 1 S VIDEO VIDEO POWER INPUT DC12V L R AUDIO AV IN 2 4 Cabinet A Cabinet B Stand Terminal cover S Terminal cover L 3 4 1 4 4 5 2 5 1 5 7 5 6 5 5 5 4 5 3 5 8 4 2 2 7 7 7 7 7 7 7 6 7 7 7 7 7 7 OPERATION PWB MAIN PWB TUNER PWB INVERTER PWB LED PWB P4004 P2001 P6500 P6502 P3603 P6501 SC1204 SC1202 SC1203 SC3902 SC2002 P...

Page 47: ...ove the tuner PWB fixing screws 4 pcs 13 Remove the R C LED PWB fixing screws 2 pcs 14 Remove the operation PWB fixing screws 2 pcs 15 Remove the chassis frame fixing screws 2 pcs 16 Remove the LCD panel unit fixing screws 2 pcs INVERTER PWB TUNER PWB 9 MAIN PWB LCD Panel unit 8 Chassis frame cover OPERATION PWB Chassis frame 13 R C LED PWB 15 11 10 12 15 16 14 Only for LC 13B4E Only for LC 13B4E ...

Page 48: ...p reflection sheets 18 19 19 20 21 22 17 17 17 17 Reflection Mirror Reflection Mirror Lamp Reflection Sheet 1 PSHEP0279CEZZ LC 13B4E PSHEP0284CEZZ LC 15B4E Light Guide Plate PGiDM0069CEZZ LC 13B4E PGiDM0070CEZZ LC 15B4E Lamp Unit KLMP 0120CEZZ LC 13B4E KLMP 0122CEZZ LC 15B4E Lamp Reflection Sheet 2 PSHEP0280CEZZ LC 13B4E PSHEP0285CEZZ LC 15B4E Diffusion Sheet PSHEP0278CEZZ LC 13B4E PSHEP0283CEZZ L...

Page 49: ... FFC for connection between Main unit P701 and Tuner unit P1902 and connect the extended cable QCNW B194WJZZ for service 4 Remove the main unit fixing screws 2 pcs a substrate is reversed OPERATION PWB MAIN PWB TUNER PWB INVERTER PWB R C LED PWB SC3902 SC2002 P1902 P701 Main PWB Side B 2 3 1 Tape Only for LC 13B4E Only for LC 13B4E Step Part No Description 1 QCNW A369WJZZ Extension Cable 50 pin Ma...

Page 50: ...ize Battery 2pcs GOST Label TLABSA016WJZZ LC 13B4E R Infrared R C Unit RRMCGA074WJSA Polyethylene Bag SSAKA0170CEZZ Buffer Material Accessories SPAKFA321WJZZ Wrapping Paper SPAKPA210WJZZ Buffer Material SPAKXA290WJZZ Not Replacement Item AC Cord QACCKA006WJPZ LC 15B4E E R QACCBA016WJPZ LC 15B4E K AC Adapter UADP A034WJPZ Packing Case SPAKCA650WJZZ Carton Label TLABK0001TAZZ Buffer Material SPAKXA2...

Page 51: ... transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan TQ0000 S May 2003 Printed in Japan MI KG Design and Production Information Design Japan Production Japan ...

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