Sanyo LCD-23XL2, Service Manual

Page 1: ...n system and power source differ from the design specifications Refer to the specification table Product Code 111374316 Original Version Chassis Series UE1 B Service Ref No LCD 23XL2 00 Contents Safety Notice 2 Specifications 3 Chassis Block Diagrams 4 5 CPU Port Functions 6 Option Setting 7 On screen Service Menu System 8 10 Service Adjustments 11 Protection Circuit 12 Mechanical Disassembly 13 1...

Page 2: ...ay parts or tools have been left inside Before returning any television to the customer the service personnel must be sure that it is completely safe to operate without danger of electrical shock Product Safety Notice Product safety should be considered when a component replacement is made in any area of a receiver Components indicated by mark in the parts list and the schematic diagram designate ...

Page 3: ... 1280 Horiz x 720 Vert pixels Viewing Angles Horiz 176 Vert 176 Contrast Ratio 800 1 Brightness 550 cd m2 Audio Output RMS 5W 5W Speaker 5 cm x 9 cm x 2 pcs AV Input Terminals AV1 Video Composite Video Input x 1 AV1 Audio L R Stereo Input x 1 set AV2 or DVD Video Composite Component Y CB CR Input x 1 set AV2 S Video Separated Y C DIN Jack Input x 1 AV2 Audio L R Stereo Input x 1 set AV3 Video Comp...

Page 4: ... K7H LVDS0N LVDS0P LVDS1N LVDS1P LVDS2N LVDS2P LVDS_CLKN LVDS_CLKP LVDS3N LVDS3P V COMPISITE VIDEO IN AV3 B21 AV3 D2901 LED A2901 RC RECEIVER TOP CONTROL KEYS SW2951 SW2957 RC IN ASSY PWB LED ASSY PWB SIGNAL KX K29X K29A ASSY PWB KEY KA K29C KC AA25 AE20 STAND BY POWER INDICATOR AE25 AE22 POWER KEY IN KEY IN COMPISITE VIDEO IN B19 V23 V24 U23 D18 C18 S VIDEO C IN S TERMINAL AV2 S VIDEO Y IN COMPON...

Page 5: ...WB KEY KA K29C KC AA25 AE20 STAND BY POWER INDICATOR AE25 AE22 POWER KEY IN KEY IN IC001 AUDIO AMP C17 D17 AUDIO L AUDIO R 4 2 8 12 SP902 SP901 K001 HEADPHONE JACK AUDIO R OUT AUDIO L OUT R OUT L OUT KF K29F ASSY PWB SIDE AV L B20 EXT AUDIO R IN AV3 EXT AUDIO L IN AV3 R IN L IN IC201 IF VIDEO CHROMA CPU SCALER CAPTION AUDIO CONTROL F24 EXT AUDIO IN R AV1 A23 C21 EXT AUDIO IN L AV1 EXT AUDIO IN R A...

Page 6: ... RC input INT0 P0 5 External interrupt 0 or port 0 5 320 AC18 Status input P0 2 I2SDO2 Port 0 2 or I2S digital output 2 319 AC19 I2C SDA P1 7 SDA Port 1 7 or I2C bus data line 241 AD18 Power Error 2 P0 3 I2SCLK Port 0 3 or I2S clock Power Error Low 240 AD19 I2C SCL P1 6 SCL Port 1 6 or I2C clock line 239 AD20 RGB selector P2 2 PWM1 Port 2 2 or PWM1 output 238 AD21 Scart 2 8 pin input P3 1 ADC1 Por...

Page 7: ...tion items and default setting mode Option Items Mode Default Description OSD H POS 0 to 15 Default 6 OSD horizontal position adjustment COUNTRY ARG BRA or Default ARG Argentina Shipping country selection SOUTH AMERICA PLUG PLAY ON or OFF Default ON Disable or enable Plug Play function SURROUND ON or OFF Default ON Disable or enable Surround function Incase of inactive the Sound menu will have no ...

Page 8: ...ta The or key will increase or decrease the data sequentially On screen Service Menu System 1 How to enter the Service Menu Press and hold the SOUND MODE button of the remote control and press the CHANNEL DOWN P button on the top control panel of the TV Item No Adjustment Item Adjustment Data P 17 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 0 1 1 0 1 1 0 0 0 0 1 0 1 0 0 1 0 1 1 0 1 0 0 0...

Page 9: ...ckstretch Black stretch 1 076 Bluestretch Blue stretch 0 077 Whitestretch Gamma control and white stretch setting 0 078 GAM Gamma control 0 079 PWL Peak White limiting 0 No Title Explanation Initial Value 080 BSD Black stretch Depth 0 081 AAS Black stretch Area Selection 0 082 PeakRatioOvShot Ratio of positive and negative peak 0 083 RatioPreAftShot Ratio pre and after shoot 0 084 CRAO Coring on S...

Page 10: ...8 SVO Function of IFVO SVO CVBS1 pin 0 199 GD Group delay on CVBS1 signal 1 200 BPB Bypass of sound bandpass filter at mono mode 0 201 BPB2 Bypass of sound bandpass filter section 2 1 202 OSD H POS On screen Display Horizontal position 6 203 CL Cathode drive level 0 204 PGR Preset Gain Red 45 205 PGG Preset Gain Green 45 206 PGB Preset Gain Blue 45 207 Back Light Back light 63 208 BL PWMMin Back l...

Page 11: ...ns Screen Size FULL Picture Mode DYNAMIC White Balance Adjustment 1 Enter the Service Mode Adjustment Item No 147 SAGR ADC Gain Red No 148 SAGG ADC Gain Green No 149 SAGB ADC Gain Blue 2 Decide a fixed item which is maximum value 31 Example let 31 of No 147 SAGR be maximum value select item of other 2 colours Example No 148 SAGG or No 149 SAGB with or key and adjust to produce a normal black and w...

Page 12: ...e circuit will have to be repaired When operating the Protection Circuit the Stand by and Power Indicator will blink The number of blinks will be determined by the type of failure detected as shown below 1 One time blinks Power failure of Video Decoder in IC 201 2 Two times blinks Scaler error of IC 201 3 Three times blinks Power failure of 2 5 V DecDig supply in IC 201 In case of 2 5V falls less ...

Page 13: ...tion TV face down on a padded or cushioned surface to protect the screen and finish 2 Remove one screw and remove a stand cover 3 Remove 3 screws to take the stand off CAUTION Hold the stand firmly as you remove the last screw Stand Cover Screw Screws ...

Page 14: ...14 Mechanical Disassembly 2 Cabinet Back Removal 1 Remove side cover 2 Remove 13 screws and take the Cabinet Back off Note Cabinet Back can be removed even if it does not remove a stand Remove side cover ...

Page 15: ...net Back and Stand remove Top Cover Side Frame and Cabinet Bottom Location of Circuit Board and Electrical Parts ASSY PWB KEY ASSY PWB SIDE AV Speaker Speaker INVERTER UNIT Chassis Frame ASSY PWB LED Cabinet Bottom Top Cover Side Frame LCD Panel Module ASSY PWB SIGNAL ...

Page 16: ... chassis can be taken out Chassis Frame ASSY PWB KEY ASSY PWB SIDE AV ASSY PWB LED Remove 2 screws to take the chassis out LCD Panel Module ASSY PWB SIGNAL For Gasket The gasket is provided to prevent exposure of interference for other radio and television receptions The gasket should be replaced on previous positions after servicing ...

Page 17: ...ble or attachment Type A For removal of flat cable lift up the hook of both sides For insert and fixing hold down the hook after inserting the flat cable Cable Type B For removal of flat cable slide the hook of both sides For insert and fixing slide the hook to previous position after inserting the flat cable Cable Type C Cable For removal of flat cable pull off only For fixing insert into the soc...

Page 18: ...0 325 6726 COVER USB SHEET N2RV 6 610 324 8622 CABINET BACK N2RV 7 610 324 8943 CABINET BOTTOM N2RV 8 610 321 1831 HANDLE N2RJ 9 610 324 8844 LID SIDE N2RV 10 610 324 9001 FRAME SIDE N2RV 11 610 324 8813 COVER SHAFT TOP N2RV 12 610 324 8882 COVER SHAFT N2RV 13 610 322 3278 DEC STAND N2RC or 610 322 5289 DEC STAND N2RY 14 610 321 8328 STAND TOP N2RC Key No Part No Description Key No Part No Descrip...

Page 19: ...5 072 9782 ASSY REMOCON JXMTF 17 610 297 9879 RC BATTERY LID JXMTA 18 645 081 2705 CORD POWER 2 0MK ARG 19 645 075 9666 ADAPTOR AC DC 20 645 082 5941 PLUG ADAPTOR ANT PAL or 652 001 7528 PLUG ADAPTOR ANT PAL 610 324 8004 INSTRUCTION MANUAL N2RV Spanish Key No Part No Description Key No Part No Description 15 ...

Page 20: ...s List Ref No Part No Description Ref No Part No Description Product safety should be considered when a component replacement is made in any area of a receiver Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety It is particularly recommended that only parts specified on the following parts list be used f...

Page 21: ... L6 TB 405 015 8922 TR 2SC2812 L7 TB 405 163 1612 TR 2SC2812N L6 TB0 405 173 9813 TR 2SC3928A1R 405 173 9912 TR 2SC3928A1S Q202 405 212 1617 TR 2SA2048 Q TSMT3 405 171 8511 TR 50A02CH TL E Q203 405 212 1617 TR 2SA2048 Q TSMT3 405 171 8511 TR 50A02CH TL E Q204 405 014 4519 TR 2SC2412K T146 R 405 014 4618 TR 2SC2412K T146 S 405 015 8724 TR 2SC2812 L6 TB 405 015 8922 TR 2SC2812 L7 TB 405 163 1612 TR ...

Page 22: ...P J 50V C102 403 215 2211 CERAMIC 0 01U K 50V C1021 403 157 3611 CERAMIC 100P J 50V C1022 403 157 3611 CERAMIC 100P J 50V C1023 403 157 3611 CERAMIC 100P J 50V C1024 403 157 3611 CERAMIC 100P J 50V C1025 403 157 3611 CERAMIC 100P J 50V C103 403 398 1513 ELECT 1000U M 6 3V C104 403 215 2211 CERAMIC 0 01U K 50V C1043 403 207 0317 CERAMIC 1U Z 16V C1044 403 207 0317 CERAMIC 1U Z 16V C1045 403 207 031...

Page 23: ... 0214 CERAMIC 0 1U Z 25V C4029 403 113 3815 CERAMIC 1000P K 50V C4031 403 164 0214 CERAMIC 0 1U Z 25V C4032 403 164 0214 CERAMIC 0 1U Z 25V C4033 403 164 0214 CERAMIC 0 1U Z 25V C4034 403 372 7517 CERAMIC 2 2U K 6 3V C4036 403 113 3815 CERAMIC 1000P K 50V C4037 403 164 0214 CERAMIC 0 1U Z 25V C4038 403 368 7316 CERAMIC 10U K 6 3V 403 370 7618 CERAMIC 10U M 6 3V C4039 403 368 7316 CERAMIC 10U K 6 3...

Page 24: ...243 401 105 1115 MT GLAZE 12K JA 1 16W R1244 401 105 1115 MT GLAZE 12K JA 1 16W R1246 401 105 0415 MT GLAZE 100 JA 1 16W R1247 401 105 0415 MT GLAZE 100 JA 1 16W R1248 401 105 0613 MT GLAZE 10K JA 1 16W R1249 401 105 0613 MT GLAZE 10K JA 1 16W R132 401 105 0613 MT GLAZE 10K JA 1 16W R141 401 037 5014 MT GLAZE 0 000 ZA 1 10W R142 401 037 5014 MT GLAZE 0 000 ZA 1 10W R143 401 037 5014 MT GLAZE 0 000...

Page 25: ...JA 1 16W R6628 401 105 4215 MT GLAZE 33K JA 1 16W R6629 401 212 0018 MT GLAZE 15K FA 1 16W R6630 401 230 2513 MT GLAZE 1K FA 1 16W R6631 401 218 4416 MT GLAZE 1 2K FA 1 16W R6638 401 230 4616 MT GLAZE 560 JA 1W R6639 401 230 4616 MT GLAZE 560 JA 1W R6640 401 105 0712 MT GLAZE 100K JA 1 16W R6641 401 105 4215 MT GLAZE 33K JA 1 16W R6642 401 105 4215 MT GLAZE 33K JA 1 16W R6643 401 230 4616 MT GLAZE...

Page 26: ...07 206 5618 ZENER DIODE UDZS TE 1710B D1005 407 206 5618 ZENER DIODE UDZS TE 1710B D1009 407 206 5618 ZENER DIODE UDZS TE 1710B D101 407 149 0817 DIODE 1SS355 TE 17 D102 407 149 0817 DIODE 1SS355 TE 17 D1020 407 206 5618 ZENER DIODE UDZS TE 1710B D1021 407 206 5618 ZENER DIODE UDZS TE 1710B D1022 407 206 5618 ZENER DIODE UDZS TE 1710B D103 407 149 0817 DIODE 1SS355 TE 17 D104 407 228 4910 ZENER DI...

Page 27: ...3 D1003 C6618 8 5 1 4 Q1600 Q1601 R1001 C1606 D1006 R1002 C1607 D1007 D1008 C1221 C1222 1 3 KC C1223 R1007 C1224 C6620 D1201 D1202 C1226 R126 C6622 C1227 C6624 D6600 R129 R1201 C6625 D6601 R1202 8 1 KJ C1612 D1012 R1203 C1613 D1013 R1204 C6628 D860 C1038 C1614 D1014 R1205 C6629 C1039 R1206 R1207 D6607 R1208 R6604 R130 D6608 R6605 C1231 D1019 D6609 R132 C1233 C6630 C1234 R710 IC6600 C1040 R135 R711...

Page 28: ... R108 Q6600 R109 C6605 Q6604 C1018 C6609 Q6605 C1019 Q6606 Q6607 Q6608 R110 R111 C1020 C1021 C1022 C1023 C1024 D1001 D1002 C6617 D1004 D1005 R1003 R1004 D1009 R122 R1006 R125 C6621 R1009 R702 D1203 R127 R703 R128 R704 R705 R706 C6627 R707 R6600 R708 R6601 R1011 R709 R6602 R1012 R6603 D1017 R1013 D1018 R1014 SC101 SC102 R6606 R6607 R1017 R6608 C6631 R6609 JS801 C6632 C1043 C6634 D1020 C1044 D1021 C...

Page 29: ... SC2403 SC2404 SC2405 ASSY PWB KEY Solder Side ASSY PWB KEY Parts Side B10N1240B PWB KEY N2RJ POW_SW POS POS VOL VOL OK MENU SW2951 SW2952 SW2953 SW2954 SW2955 SW2956 SW2957 D2951 D2952 R2951 R2952 R2953 R2954 R2955 R2956 R2957 SC2951 SC2952 K29C 3 1 ASSY PWB LED Solder Side ASSY PWB LED Parts Side B10N1240C PWB LED N2RJ D2901 D2902 A2901 K29A 1 5 R2901 R2905 R2906 TP2901 TP2902 D2904 SC2905 C2901...

Page 30: ...Oct 05 NEWSAN S A Una empresa del grupo SANYO Electric Co ...

Page 31: ...AL SIGNAL UNIT DIFFERENCE LIST 1AA0B10N150DA ASSY PWB SIGNAL N2SV Model LCD 17XL2 1AA0B10N150EA ASSY PWB SIGNAL N2RV Model LCD 23XL2 ASSY PWB SIGNAL K1002AV1 K1005 AV2 1 16GJ10KC 1 16GF1KC 1 8GZ000 1 16GJ6 8KC 1 8GZ000 R6639 X X 1 16GJ10KC R704 R6602 C010 X R6643 X X 1 16GF10KC 1 16GZ0C R1606 X R6605 R4043 X K7L 10KK2 2GQ X 1 16GJ33KC 1 8GZ000 X 1AA0B10N150DA 1 16GJ3 9KC R6606 1 16GF15KC 1GJ150 1 ...

Page 32: ...1 SC2_G L2GL391JG L102 TUNGND 16KK0 47BA C1233 K7K 1 2 3 4 5 6 K7I_5 CJ220CGQ C4063 5V_SW X TP6609 KC_1 25KZ0 1GQF C264 TUNGND LVDS3P L3BQ102PG L214 TV_VS 1 16GZ0C JS1206 R1A44704G RB4007 R1EA4704G SCL 6 3KK10MB C206 6 3KM10GMB X Q6605 L3CG601PG L700 1 2 3 4 5V_SW 25KZ 0 1GQF C4006 KK 4700GQ C113 K7L_12 1SS355 D1202 B4J11B0210N K7J 1 2 3 4 5 25KZ 0 1GQF C6627 X C702 X KP2B 1 2 3 4 5 KK 0 01GQ C122...