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Liquid Crystal Display
Television

GT02-32E1 / GT03-37E1

SERVICE MANUAL

Содержание 1E03-37GT

Страница 1: ...Liquid Crystal Display Television GT02 32E1 GT03 37E1 SERVICE MANUAL...

Страница 2: ...list Before replacing components read the parts list in this manual thoroughly The use of substitute parts which do not have the same safety characteristics as those indicated in the parts list may c...

Страница 3: ...tlet and disconnect the antenna 13 External antenna systems should be sited away from overhead power lines and away from electrical circuits Extreme caution should be exercised when erecting an outsid...

Страница 4: ...5 Service mode 10 Assembly and disassembly procedure 17 Disassembly 17 Reassembly 19 Exploded view 20 Printed circuit boards 24 Power circuit board 24 Main board 25 Digital board 26 Trouble shooting...

Страница 5: ...or personal injury and should not be attempted This manual includes A block diagram of the LCD TV An explanation of theory of operation An explanation of the service mode to enable you to adjust the...

Страница 6: ...se reduction 37 730mmx960mmx280mm Audio Speaker 2 Packing size HWD 32 780mmx960mmx320mm Audio power 10w 10w 37 870mmx1130mmx370mm Stereo NICAM Audio mode 3 Gross weight 32 26 5KG Audio volume level 37...

Страница 7: ...eases channel numbers VOL Increases or decreases the volume MENU Press the button to enter On Screen Display OSD SOURCE Switch among the input source POWER Turn the TV set ON or OFF Speaker Speaker Po...

Страница 8: ...ut jack of your A v device Adjustment can be control by Volume KEY ANALOG ANT Connects to your TV antenna or coaxial cable from local TV PC IN Connect to the VGA output of your PCor portable computer...

Страница 9: ...5V When this machine is in Stand By mode only U1 PW106B and U25 EN29LV160 keep workings U1 enter power saving mode so the system can assure the consumption power is 2 5W in Stand by Mode C Power ON M...

Страница 10: ...1 5 U 1 U T 6 1 2 1 Q F A m 0 0 7 A 3 A m 0 0 5 A 3 A 6 A m 0 0 5 1 8 L 8 1 U 9 0 0 2 A A T 6 1 U A 8 0 D 8 7 5 1 U G 5 1 4 3 P S M 7 2 Q 7 J S D V L r o t c e n n o C M 5 3 4 4 P A 4 2 1 L 7 4 L 3 1...

Страница 11: ...transmits to U1 PW106B Via U2 Pin54 process decoding procedure S Y C The video signal input U1 PW106B SCART SCART 1 and SCART 2 are full SCART SCART 1 is always TV out SCART 2 is monitor OUT Y signal...

Страница 12: ...dio AMP the amplifition of efficiency upto 85 CPU circuit U1 PW106B is 80186CPU it s main CPU of system U25 is 16Mbit Flash Rom Boot code and Appcode are store in U25 The program came be upgraded via...

Страница 13: ...T R A C S 2 T R A C S Y B G C R O E D I V V T h c t i w s T R A C S t i b M 8 2 1 6 0 1 W P O E D I V V A 5 1 P Y B G C R O E D I V R O T I N O M T U O O E D I V V T X I F T U O 0 t r o P V H B G R Y...

Страница 14: ...C Menu Page 2 1 options 3 Press and to adjust the Brightness setting 4 Press and to scroll to TV AV S Parameter AV1 setting and press to run the setting This procedure will copy the settings of AV1 to...

Страница 15: ...R e d 1 2 7 O f f s e t G r e e n 1 2 7 O f f s e t B l u e 1 2 7 G a i n r e d 1 2 7 G a i n G r e e n 1 2 7 G a i n B l u e 1 2 7 4 8 0 i 4 8 0 p 7 2 0 p P a r a m e t e r 1 0 8 0 i 039 000 016 480...

Страница 16: ...rader software 2 Select Baud Rate 3 Download appcode crams file 4 Choose Flash mode entering standby status for writing firmware 5 Turn on TV set 6 Bytes Bar will showed on the screen in few seconds i...

Страница 17: ...A input jack Turn on the TV set select then scan serial number we need Main picture will show PASS when burning OK Fig 1 3 If the main picture shows NG check VGA cable connection and try again If main...

Страница 18: ...computer Mouse right key and enter SYS TEM Content 6 Select system manager and rearrange system screen will show find a new hard ware After install and screen will show Model name 7 Revice the HDMI v...

Страница 19: ...t CHANNEL Press Channel to check the channel number change normally Press RECALL to check switching previously viewed channel normally Press NUMBER KEY and to enter the channel number VOLUME Press to...

Страница 20: ...h Deutsch Fran ais Italian o Espa ol Svenska Suomi Dansk Press to check the BAR slide OF OSD SETTING TRANSPARENCY OSD TIMEOUT Press to check the red bar or number increases or decreases SLEEP TIMER TR...

Страница 21: ...not connected to a power source Disassembly 1 Unscrew and remove the pedestal completely 2 Pull down or out the pedestal 3 Unscrew and remove the rear cover 4 Unscrew and remove the main board cover 5...

Страница 22: ...main circuit board 11 Unscrew and remove the main base plate 12 Unscrew and remove the speakers 13 Unscrew and remove the LED board 14 Unscrew and lift out the LCD panel 15 Remove the panel support sc...

Страница 23: ...ll the pedestal Make sure that the RC sensor cover is in place before installing the LED board Make sure that the VGA connector is firmly secured before replacing the rear panel Make sure that both sp...

Страница 24: ...20 Exploded view 32...

Страница 25: ...21...

Страница 26: ...22 37...

Страница 27: ...23...

Страница 28: ...24 Power circuit board Printed circuit board Bottom View Top View 32 37 32 37...

Страница 29: ...25 Main Board Top View Bottom View...

Страница 30: ...26...

Страница 31: ...27...

Страница 32: ...28...

Страница 33: ...ightness and contrast Check the input signal setting No sound Check your audio connections The MUTE button may have been pressed try pressing this button again Check your audio settings your TV audio...

Страница 34: ...rectly SMPS No voltage output SMPS no Power output Check power PIN 9 11 Voltage 5V Press RMU or Keypad No OFF key check PIN 1 voltage H or L Check power ON Signal circuit Check power PIN 2 4 voltage 1...

Страница 35: ...erter 24V Voltage Check main board backlight ADJ Inverter ON OFF Control signal Check Main Board LVDS Circuit Check SMPS Blue OK abnormal OK OK Press RCU SORCE key Inverter or backlight failure Red bl...

Страница 36: ...le and holding the TV set with two hands One hand on up side of display and other hand on speaker 2 Do not touch the surface of panel Only touch the metal frame of the pan el or the front cover of the...

Страница 37: ...CIA_D 1 K 2 7 PCMCIA_D 0 K 2 7 DATOE K 7 TDA_CLK K 6 TDA_DAT 6 K 6 TDA_DAT 5 K 6 A_MOCLK A_MOCLK K 7 GND K 5 DTV MODULE CI option R502 NC 0 J10 ICME68H D1121_NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Страница 38: ...12 C107 100n C104 100n C108 47u16V U16 74AHC1GU04GW NC 1 GND 3 4 4 2 2 VCC 5 R149 33R R123 4K7 R112 680K R143 33R C116 100n C101 100n R113 390R FB28 PBY32_19 OHM FB27 PBY32_19 OHM R141 100R R119 220K...

Страница 39: ...390p FB18 PBY32_19 OHM R98 2R2 C72 22p R508 75R R100 2R2 L7 SBK16 102 C96 22p C73 100p R513 75R C70 100n C85 390p C71 100n R106 1K5 C74 100p L10 SBK16 102 C83 4n7 C84 22p C79 1u C86 390p R227 0 J7 B4B...

Страница 40: ...OR COMPAIR ONLY DIGITAL OUTPUT DTV MODULE interface R92 1K0 C68 330p FB17 0 R216 0R CN7 PHONEJACK STEREO 1 2 3 4 5 R89 1K C69 330p CN4 OC 0805X002 1 3 2 R94 470RU_NC R93 180R J6 S3B PH K 1 2 3 4 C65 1...

Страница 41: ...0R R78 1R0_NC R75 100R C51 4n7 D3 B340 2 1 FB8 47u FB16 100u C55 470n D2 B340 2 1 R64 33R C58 100u R62 1K0 C43 100u R86 3K9 R77 1R0_NC R63 100K D1 B340 2 1 R84 1R0 C47 100u U10 APL1117 5 COM 1 OUT 2 I...

Страница 42: ...K 1 7 MIU_DATA 3 K 1 7 MIU_DATA 4 K 1 7 MIU_DATA 5 K 1 7 MIU_DATA 6 K 1 7 MIU_DATA 7 K 1 7 MIU_DATA 8 K 1 7 MIU_DATA 9 K 1 7 MIU_DATA 10 K 1 7 MIU_DATA 11 K 1 7 MIU_DATA 12 K 1 7 MIU_DATA 13 K 1 7 MI...

Страница 43: ...DRAM_ADDR5 148 SDRAM_ADDR6 147 SDRAM_ADDR7 146 SDRAM_ADDR8 145 SDRAM_ADDR9 144 SDRAM_ADDR10 152 SDRAM_ADDR11 143 SDRAM_ADDR12 142 SDRAM_ADDR13 150 SDRAM_ADDR14 151 DQM0 138 DQM1 133 VAS 140 RAS 141 WE...

Страница 44: ...C21 1uF R17 10K R29 75 R36 10K TP7 R37 75_NC R53 680 R11 10K R45 10K R23 75_NC Q4 MMBT3904_NC B E C C16 1uF R5 75_NC R40 680 C607 10uF 1 2 R4 0 C1 10uF 1 2 R48 75 R42 75 R13 4 7K C28 1uF C11 1uF R44 6...

Страница 45: ...2 R529 330 TU1 FQ1216_MK3 SCL 4 SDA 5 AS 6 SIFSND 11 CVBS 12 AFSND 14 GND1 15 GND2 16 GND3 17 GND4 18 NC2 2 NC3 9 NC4 10 NC1 1 VB 3 VIF 13 C45 33P_NC R62 75 1uF 16V_NC C49 1 2 R74 2 2K R658 2 2K_NC R6...

Страница 46: ...0 C60 470U 1 2 Q15 2N7002 D G S U28A LM358 3 2 1 8 4 C55 1 C71 100uF 1 2 C57 1 D1 B340A A K R95 10K Q19 AP4435M S1 1 S1 2 S1 3 G1 4 D1 8 D1 7 D1 6 D1 5 L_5V PBY32 190 R101 10K C69 1 U28B LM358 5 6 7 8...

Страница 47: ...RP20 22R 1 8 2 3 4 5 6 7 C92 0 1uF C87 0 1uF RP16 22 1 8 2 3 4 5 6 7 C90 0 1uF RP26 22R 1 8 2 3 4 5 6 7 R105 22 C79 0 1uF TP16 Small 1 C82 0 1uF R110 1K RP19 22R 1 8 2 3 4 5 6 7 RP29 22R 1 8 2 3 4 5 6...

Страница 48: ...F13 A17 AC10 A18 AC11 A19 AD12 D0 AE24 D1 AC23 D2 AD24 D3 AE23 D4 AF26 D5 AC22 D6 AD23 D7 AE22 D8 AF25 D9 AE21 D10 AD22 D11 AC21 D12 AF24 D13 AF23 D14 AD20 D15 AD21 RD AD16 WR AF17 ROMOE AC19 ROMWE AE...

Страница 49: ...94 1M_NC D3 1N4148 A K R148 470 R642 0_NC TP34 Small 1 R142 0 R159 100 C126 1 REMO CON6 1 2 3 4 5 6 C99 102 D17 1N4148_NC A K C98 100p KEY CON9 1 2 3 4 5 6 7 8 9 D13 1N4148_NC A K R164 3 3K R187 3 3K_...

Страница 50: ...1 25VDD9 N21 25VDD10 P21 25VDD11 R21 25VDD12 T21 25VDD13 U21 25VDD14 V21 25VDD15 W21 25VDD16 W22 25VDD17 Y21 25VDD18 Y22 25VDD1 F22 33VDD1 F9 33VDD2 F10 33VDD3 F14 33VDD4 F15 33VDD5 F16 33VDD6 L5 33VD...

Страница 51: ...IN1R4 E4 IN1R5 C1 IN1R6 D2 IN1R7 E3 IN1G0 F4 IN1G1 F3 IN1G2 E1 IN1G3 F2 IN1G4 F5 IN1G5 G3 IN1G6 F1 IN1G7 G2 IN1B0 G4 IN1B1 H3 IN1B2 H2 IN1B3 H1 IN1B4 J4 IN1B5 J3 IN1B6 H4 IN1B7 J2 IN0CLK C3 IN0PEN D4...

Страница 52: ...1 30 MUTE 31 OAOUT2 1 INV2 2 BIASCAP 3 AGND3 4 V5D 23 R643 NC M3 PIN R533 NC MH1 M35 D80 1 2 3 4 5 6 7 8 9 L156 PBY32 190 R644 NC C460 1 L155 10uH MH8 M35 D80 1 2 3 4 5 6 7 8 9 M1 PIN L159 PBY32 190 L...

Страница 53: ...61 100K_NC R628 10K R258 1K R264 100 R449 0_NC R276 1K R278 100K L169 SBK16 102 L173 SBK16 102 L59 SBK16 102 R260 10K_NC C294 100uF 1 2 C306 4700 C282 0 33 Q31 3904 B E C C297 100uF 1 2 C292 22P R632...

Страница 54: ...9023 144 Pin TQFP U11 Q13 125 Q12 126 Q11 129 Q10 130 Q9 131 Q8 132 Q7 133 Q6 136 Q5 137 Q4 140 Q3 141 Q2 142 Q1 143 Q0 144 Q23 110 Q22 111 Q21 112 Q20 113 Q19 116 Q18 117 Q17 118 Q16 119 Q15 123 Q14...

Страница 55: ...522 100 YUVB HSP 243V2 3 5 AVB HSP 243V2 3 5 C405 10P C410 10P R312 75 L200 SBK16 102 R326 100K R370 100 C417 10U 1 2 R308 100 R379 10K C415 472 C379 10P C596 10U 1 2 R305 75 L41 SBY20 110 C380 10uF 1...

Страница 56: ...C K L31 SBY20 110 R334 47K C391 33P R346 75 C387 472 U7 74LVC1G14 2 4 3 5 VGA DB15HD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 PC_AUD PC_AUDIO 1 2 5 3 4 L27 SBK16 102 R341 47 D28 BAT54S A C K R343 0_N...

Страница 57: ...G S CM3 ACM2012D 900 2P 1 2 4 3 C399 1 CM2 ACM2012D 900 2P 1 2 4 3 R364 NC HDMI2 HDMI CON SHELL1 20 SHELL2 21 D2 1 D2 Shield 2 D2 3 D1 4 D1 Shield 5 D1 6 D0 7 D0 Shield 8 D0 9 CK 10 CK Shield 11 CK 1...

Страница 58: ...L16 SBY20 110 C429 15P 75 R421 L2 SBY20 110 47K R385 R399 0_NS 75 R393 R419 0_NS 75 R394 R387 100 C432 101 L142 SBK16 102 C440 101 D79 RD12EB_NC A K Q38 MMBT3904 B E C 75 R392 C434 101 L12 SBY20 110...

Страница 59: ...P3 P4 P2 P13 P12 P11 P16 AN15857 SWITCH SCART SCART2 R C GB Y TV VIDEO switch SCART 128Mbit PW106 AV VIDEO P15 R C GB Y VIDEO OUT MONITOR VIDEO OUT FIX TV Port 0 R G B H V SCART Y SDRAM P11 P12 P3 SCA...

Страница 60: ...9023 U21 BR24L32F U1 PW106 PERIPHERALS U29 LM358 U51 TU1 FQ1216 700mA 3A 500mA 3A 6A 500mA L81 U18 TAA2009 U16 78D08A U15 MSP3415G Q27 J7 LVDS Connector AP4435M L124 L47 D13 U12 CS4334 U18 U13 24LC02B...

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