SERVICE MANUAL
TV37RN10D
Design and specifications are subject to change without notice.
37" LCD COLOR TELEVISION
ORIGINAL
MFR’S VERSION A
Page 1: ...SERVICE MANUAL TV37RN10D Design and specifications are subject to change without notice 37 LCD COLOR TELEVISION ORIGINAL MFR S VERSION A...
Page 2: ...put in the original positions or whether there are the portions which are deteriorated around the serviced places serviced or not Check the insulation between the antenna terminal or external metal an...
Page 3: ...lder When soldering or unsoldering completely remove all of the solder from the pins or solder area and be sure to heat the soldering points with the lead free solder until it melts sufficiently Disti...
Page 4: ...ULATOR AV JACK SWITCH SOUND AMP HEADPHONE AMP TUNER SCALER SUB MICON RS 232C JACK PANEL INTERFACE INTERFACE_HDMI IC POWER1 POWER2 OPERATION REMOCON ASIC FLASH SDRAM COMMON INTERFACE POWER I O OFDM TUN...
Page 5: ...38 9 38 9 33 9MHz Sound FS 33 4 32 9 32 4 40 4MHz FP FS 5 5 6 0 6 5 6 5MHz Digital 36 167MHz Auto Tuning Method ALL Band Not C C I R CH Plan Preset CH Analog 99 Digital Carrier 200 Service 1000 Stere...
Page 6: ...s 8 Yes 9 Yes 0 Yes Sleep Yes Mute Yes Volume Up No Volume Down No Volume Up Yes Volume Down Yes CH Down No CH Up No Menu No Yes Yes Yes Yes Enter CH List Yes Exit Yes Freeze frame No TV Radio Yes Sub...
Page 7: ...und Yes BBE No SRS WOW SRS 3D Focus Tru Bass No Variable Audio Out Yes Tuning Auto Tuning Yes Manual Tuning Yes CH Allocation Yes Lock Analog Panel Lock No Channel Lock No Hotel Lock No Screen Saver I...
Page 8: ...onitor Input Yes VGA 640x480 Yes 60Hz VGA 720x400 Yes 70Hz WVGA 848x480 No SVGA 800x600 Yes 60Hz XGA 1024x768 Yes 60Hz WXGA 1280x768 Yes 60Hz WXGA 1280x720 Yes 60Hz WXGA 1360x768 Yes 60Hz SXGA 1280x10...
Page 9: ...s Menu Yes Indicator Power Stand by EPG Timer Yes GREEN RED ORANGE On Timer No Terminals Side Video Input 1 RCA x 1 Audio Input 1 RCA x 2 L MONO R S Input 1 Yes Video Input 2 No Audio Input 2 No S Inp...
Page 10: ...Design As per Buyer s Description of Origin No Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 46 Container Stuffing 136 Sets 40 container G 16 Material Cabinet Cabinet Front PS 94...
Page 11: ...the IC leads using a blower type IC desoldering machine Refer to Fig 1 2 2 Fig 1 2 NOTE Do not rotate or move the IC back and forth until IC can move back and forth easily after desoldering the leads...
Page 12: ...8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So always...
Page 13: ...R ON total hours Can be checked of the INITIAL DATA of MEMORY IC Refer to the WHEN REPLACING EEPROM MEMORY IC Set Key Operations Remocon Key VOL DOWN Minimum 1 2 sec Standard Time VOL DOWN Minimum 6 2...
Page 14: ...ESS and DATA should appear as FIG 2 1 2 3 4 Version Hardware version A 0 Software version CB00C73191 OK END INIT 4190 VCT P B33C LCD ON 0000 ANALOG M DB040_70324B ANALOG S DB050_70314A FIG 1 Turn on t...
Page 15: ...ST MIN CONTRAST 50 COLOR CENTER COLOR MAX COLOR MIN TEXT H POSI TEXT V POSI DAC VCOM Fig 1 2 Function Step No Fig 1 1 01 OSD H POSI 182 TUNER 16 9 NO 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39...
Page 16: ...the remote control set the brightness and contrast to normal position Press the INPUT SELECT button on the remote control to set to the AV RGB mode Activate the adjustment mode display of Fig 1 1 and...
Page 17: ...47 51 1 125 138 431 H POSI 50 Hz 4 3 OTHER 242 242 242 245 455 212 305 254 51 1 138 38 431 H POSI 60 Hz 4 3 H POSI CENTER PC 220 220 220 216 416 199 233 245 35 1 2 122 136 127 146 191 279 202 302 237...
Page 18: ...4 64 64 64 64 64 64 64 64 64 64 64 64 64 64 64 64 33 TINT CENTER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34 CONTRAST CENTER ADJ ADJ ADJ ADJ ADJ ADJ ADJ ADJ ADJ ADJ ADJ ADJ ADJ ADJ ADJ...
Page 19: ...CD403 CD7200 CP406 J401 AC IN CD3805 POWER PCB OS2201 CP2201 REMOCON PCB CD2201 FAN CD3400 SPEAKER CD301 CP412 CP3802 CP411 CP7201 DIGITAL PCB CP4301 CP3801 CP3400 CP3603 CP3601 J4301 CP6001 TU6002 CP...
Page 20: ...CART2_R C_IN 9 SCART2_B_IN FOR_VCR 8 14 SCART2_G_IN SCART1_SW TUNER OUT 19 VIDEO IN 20 IC4203 SCART1 2_AUDIO_Lch_SW 4 SC2_A_IN_L A_L_OUT 2 SW_A_L R_OUT 22 SC2_A_OUT_R SCALER IC803 21pin 6 SC1_A_IN_L L...
Page 21: ...V 20 P CON 5V P CON 5V 21 SW 3 3V 22 SW 3 3V SW 3 3V 23 SW 12V Q3805 Q3804 SW_TR P CON 12V_DTV Q3202 AT 3 3V IC3203 IC3205 5V_REG P CON 5V D3804 IC3203 REG AT 1 8V_1 IC3204 REG AT 1 8V_2 Q3806 SW IC32...
Page 22: ...ATION_PCB SCART1_Y_IN SC2_A_OUT_R 20 KEY_A B 159 160 SC2_A_OUT_L 21 SW_SCART_R C 178 SW_SCART_G 176 SW_SCART_B 177 48 73 SW_A_R 11 DEN DCLK IC801 256K EEPROM SW_A_L 12 DRI0 7 DGI0 7 DBI0 7 84 5 SDA SW...
Page 23: ...YUV_A_L Q4303 COAXIAL CP4302 D SUB_CONNECTOR VGA R VGA G Q4304 96 VGA B X3602 28 322MHz 97 SDA DDHS SCL VGA_VS IC3601 1 8V_REG VGA_HS 94 HDMI 5V DDVS 31 39 40 43 44 58 59 62 63 32 47 48 51 52 66 67 70...
Page 24: ...O DIGITAL_PCB HP_IN A_OUT_L 1 A_OUT_R 2 3 IC301 SOUND_AMP 9 CVBS 5 2 TVTX 6 SP_L CP301 SPEAKER 5 TVRX 8 SP_R RESET 10 Y 11 14 D TUNER YUV U 13 V 15 DTV H 7 SPDIF 23 SCL SDA 21 25 DIF1 27 DIF2 29 IC300...
Page 25: ...Mbit IC240 AUDIO OPEAMP TSH73CD IC6406 30pinBOARD to BOARD CONNECTOR 125622330K3 CP6403 1 AOUTR 2 AOUTL 5 CVBS 6 TVTX 8 TVRX 9 POWER CTL 10 RESET 11 Y 13 U 15 V 17 12V 18 5V 20 22 24 3 8V 7 DTV_H 3 LP...
Page 26: ...5 J401 4 3 2 1 L402 D425 D427 D430 D431 1 Vd RERAY RY401 ALKS329_A 3 2 1 4 IC401 POWER SW MP2A5060 Vcc Q1 10 18 8 P GND TRANSFORMER T401 2 3 10 7 18 17 13 14 CP406__1 2 3 4 5 24V L403 2 1 3 4 C405 D40...
Page 27: ...09 B4210 B4211 B4213 B4212 CP4301_1 IC300 C330 IC301 CP3801 C319 C363 C366 R330 C368 Q300 CP301 R311 Q302 Q301 R325 C320 R316 C318 C314 C310 C307 C379 C317 C316 C315 R309 R303 R301 R307 Q3205 IC3201 C...
Page 28: ...R4247 D4210 R4274 R4273 D4211 R4222 R4249 R4220 R4250 R4224 R4253 R4223 R4248 B4202 C4268 R4237 R4238 C4269 L4209 R4302 R4301 C4310 C4309 B4206 B4207 R4200 R4221 R4226 R4259 C4247 C4228 R4251 C4244 C...
Page 29: ...6407 R6419 C4001 C4032 C4025 C4018 C4008 C4010 C4009 R4016 C4021 C4033 C4038 C4037 R4020 R4021 C4041 C4040 C4043 R4026 R4027 R4024 R4025 C4044 C4045 R4029 R4028 L4001 L4004 L4002 R6433 C6444 C4024 IC4...
Page 30: ...1 C459 L415 R402 Q401 D401 CP411 CP412 Q413 R518 C449 L409 R476_1 C462 L405 W814 C440 IC404 R445 D442 L413 C444 R452 D445 C441 F404 Q422 C446 W009 W027 W004 W021 W011 Q417 R464 R493 R470 W036 W032 W03...
Page 31: ...R467 D421 R411 C409 C415 C414 R413 R415 Q402 D419 R432 Q409 D429 D415 C419 D413 Q404 D414 R419 D411 Q403 C421 R418 D420 D428 R425 Q408 C411 C412 C418 R414 C417 R417 D422 C408 R427 Q406 R424 C426 R441...
Page 32: ...C4382 0 1 B C4206 0 0047 B C4213 0 0047 B C4211 0 0022 B C4232 47P CH C4240 47P CH C4247 470P CH C4243 470P CH C4226 0 01 B C4223 0 01 B C4275 1 B C4280 1 B C4274 1 B C4380 2 2 B C4224 0 1 B C4201 0 0...
Page 33: ...COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C3808 1 B C3802 1 B C3807 1 B C381...
Page 34: ...PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C3208 0 01 B C3207 0 01 B C3222 0 1 B C3223 1 B C3217 0 1 B C3239 1 B C3237 1 16V B C3211 1 B C3212...
Page 35: ...1K R4304 1K R4300 15 1 2W R4234 15 1 2W R4233 12K R4231 12K R4238 100K R4237 100K R4235 680 R4236 680 R4230 75 R4297 1M R4226 75 R4221 75 R4200 75 WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL...
Page 36: ...VOLTAGE AT EACH PART WAS MEASURED OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C305 470P CH C304 470P CH C380 0 1 50V B C379 0 1 B C378 0 1 B...
Page 37: ...ECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C6009 0 1 B C6012 47P CH C6013 47P CH C6007 220P CH C6003_1 1 50V KA_P W848 W878 W879 W844 W847 IC6001 SN74LV4053APWR...
Page 38: ...DPB4 SCART2_B_IN SCART2_V_IN DPB5 SW_SCART_R C DPB6 SW_SCART_G SC2_CVBS_OUT DPB7 SW_SCART_B DPG0 SCART1_Y_IN S_3 3IO3 DPG1 SC2_CVBS_OUT SW_A_R DPG2 SW_A_L DPG3 AT 3 3V SCART2_B_IN SC2_A_OUT_L DPG4 VIN...
Page 39: ...C111 18P CH C118 0 1 B C117 0 01 B C112 100 6 3V YK_P W893 W816 RXD TXD DTUNER_H RXT1_RST SDA SCL SCART1_SW SCART2_SW DTUNER_H SCART_A_SW DTUNER_H HP_IN COMPONENT DVI DVI2_A_SW RF_AGC HP_IN SCART1_SW...
Page 40: ...RE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST A...
Page 41: ...TH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C720...
Page 42: ...3697 0 01 B C3640 0 1 B C3639 0 1 B C3627 0 1 F C3657 0 1 F C3637 0 1 B C3620 0 001 B C3708 0 001 B C3629 0 1 B C3601 0 1 B C3633 0 1 F C3722 0 1 F C3631 0 1 B C3607 0 1 F C3605 0 001 B C3606 0 1 F C3...
Page 43: ...W R434 1K 1 4W R439 220 1 4W R436 68K 1 2W R404 1 5M 1W RCR R458 10K R443 1K R445 100 1 4W R457 1K R440 10K R449 6 8K 1 R521 10K 1 4W R522 10K 1 4W R411 68K R414 10K R413 10K R535 8 2K 1 4W R431 4 7K...
Page 44: ...1 4W R518 1K 1 4W R478 22K R491 390 1 R495 100 R477 1K 1 R461 22K R464 470 1 4W R492 2 7K 1 R474 4 7K 1 R469 33K R471 0 047 1 4W R472 0 047 1 4W R479 2 2K 1 2W R480 10K 1 4W R481 100 1 4W Q420 KTC3875...
Page 45: ...00P CH C2206 0 1 B C2207 0 1 B C2203 0 01 B C2202 0 01 B C2201 0 01 B OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME WAS RECEIVED IN GOOD CONDIT...
Page 46: ...DD5 OUTR FMIADD20 FMIADD6 OUTL FMIADD21 FMIADD7 OUTL FMIADD22 SPDIF LMIDATA12 FMIADD8 FMIRDNWR P1V2 NFMICSA LMIDATA13 FMIADD9 P5V NFMIOE LMIDATA14 P3V3 FLASHWP FMIADD10 MUTE NRESETOUT A_GND LMIDATA15...
Page 47: ...MIDATA6M LMIDATA9M FMIRDNWRM FMIDATA4M FMIADD6 FMIADD6M NFMICSA FMIADD7 FMIADD7M LMIADD12 FMIADD8 FMIADD8M LMIADD11 NRESETOUT LMIADD10 LMIADD9 LMIDATA7M LMIDATA8M LMIADD8 FMIADD9 FMIADD9M FMIADD22M FM...
Page 48: ...A3 FMIDATA4M D5 FMIADD10M FMIADD12M A2 NFMILBA TS_IN_STRT TS_IN_DATA7 FMIDATA5M D6 A1 FMIWAIT A12 A11 TS_OUT_DATA7 A0 CARD_EN FMIDATA6M D7 FMIADD11M GND NOT_BE1 GND FMIDATA7M CI_ON NOT_IORD D3 NOT_IO...
Page 49: ...5 L6410 4 7uHNLV25 L6401 10uHNLV25 L6408 8 2uHNLV25 L6409 4 7uHNLV25 C6403 0 1 B C6440 0 1 B C6412 10 C C6441 0 1 B C6470 10 C C6471 0 1 B C6407 10 C C6409 0 1 B C6418 0 1 B C6414 0 1 B C6461 0 0033 B...
Page 50: ...1 B C4022 0 1 B C4023 0 1 B C4007 10 C C4020 1 B C4016 100P CH C4013 100P CH C4019 10 C C4039 100P DH CH X4001 27MHz 100GT02720 R4029 47 R4028 47 R4004 10K R4002 10K R4003 10K R4020 680 R4021 180 R402...
Page 51: ...ndSIF GND IF SDA SCL GND AGC B3 Vcc B2 NC Vtu CEF243 AT 5V TX RX GND GND GND NC DMS RIN0 RIN0 RIN1 RIN1 RIN2 RIN2 RxCLK RxCLK RIN3 RIN3 DTV B DTV B DTV B DTV B2 DTV B2 DTV B2 DTV B DTV B2 RELAY_H RELA...
Page 52: ...0mV 200mV 1 0V 3 9 15 20 s 10 s 1 0ms 200mV 200mV 1 0V 4 10 16 20 s 10 s 500 s 200mV 200mV 2V 5 11 17 2ms 10 s 500 s 500mV 100mV 2V JACK 6 12 18 2ms 10 s 500 s 500mV 200mV 1V The following waveforms w...
Page 53: ...0mV INTERFACE_HDMI IC 21 27 33 2 0ms 10 s 10 s 500mV 1 0V 50mV 22 28 34 2 0ms 10 s 10 s 500mV 1 0V 50mV 23 29 35 2 0ms 10 s 10 s 500mV 1 0V 50mV SCALER POWER I O 24 30 10ns 2 0ms 0 5V 50mV The followi...
Page 54: ...09 209 106 131 113 119 209 209 209 209 209 109 109 118 109 202 213 121 202 213 202 123 213 127 202 202 202 122 111 124 109 109 110 202 202 213 213 202 202 101 101A 101B 203 101D 101D 101D 101C 101D 10...
Page 55: ...SCREW TAP TITE P BRAZIER 3x8 102H 706WPA0022 COVER CONNECTOR 217 811022680U SCREW TAP TITE P BIND 2 6x8 218 8102220A0U SCREW BIND M2x10 103 7A7350004A BUTTON ASS Y 103A 735WPB0365 BUTTON FRAME 791WHA...
Page 56: ...DE7RB5R62B DIODE ZENER UDZS5 6B TE 17 D3601 D77R1A1R10 DIODE VARISTA AVRL161A1R1NT D107 DD7R20S300 DIODE SCHOTTKY BARRIER RB520S 30 TE61 D3602 DE7RB5R62B DIODE ZENER UDZS5 6B TE 17 D108 DE7RB5R62B DI...
Page 57: ...MEMORY DATA BR24L02F WE2 Q3804 TNAAB05003 COMPOUND TRANSISTOR KRC102SRTK IC3609 S31P01BE04 MEMORY DATA BR24L02F WE2 Q3805 TAAA1504SY TRANSISTOR SILICON KTA1504S_Y_RTK IC3801 I07F0C0WF0 IC BA00BC0WFP...
Page 58: ...0J COIL 22 UH B2401 024HC56005 CORE BEADS FCM1608CF 600T06 L4213 021LA6100J COIL 10 UH B2402 024HC56005 CORE BEADS FCM1608CF 600T06 L4214 021LA6470J COIL 47 UH B2403 024HC56005 CORE BEADS FCM1608CF 60...
Page 59: ...24HC51023 CORE BEADS FCM1608KF 102T02 NR3006 110P4470M5 R NETWORK 4D02WGJ0470TCE B6408 024HC51023 CORE BEADS FCM1608KF 102T02 NR3007 110P4470M5 R NETWORK 4D02WGJ0470TCE B6409 024HC51023 CORE BEADS FCM...
