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Polaroid TLM-22601B, Service Manual

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Polaroid TLM-22601B Service Manual Download Page 22

26” LCD TV                                                                                                   Polaroid TLM-22601B 

22 

5.3. No display (LED indicator green) 
 

 

 

 
 
 

Check the source 

OK 

Reset source 

Check LVDS cable   

NG 

Reset LVDS cable 

OK 

Check 24V power supply 

NG 

Check B+ voltage, T902, D970, C975 

OK 

OK 

Check U401 

NG 

Replace main board 

OK 

Check panel 

NG 

Replace panel 

Check BL_ON_OFF signal 

NG 

Check U409 

OK 

Check C999 (+) 12V 

NG 

Replace C999 

OK 

Check IC903, IC970, IC971, IC904 

NG 

Replace IC903, IC970, IC971, IC904 

OK 

Check Q921, IC951, IC901 

NG 

Replace Q921, IC951, IC901 

Summary of Contents for TLM-22601B

Page 1: ...ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 6 1 Main Board 26 6 2 Power Board 28 6 3 Key Board 28 6 4 IR Board 28 7 Adjustment 30 8 Block Diagram 31 9 Schematic 32 9 1 Main Board 32 9 2 Power B...

Page 2: ...26 LCD TV Polaroid TLM 22601B 2 Revision List Version Release Date Revision Instructions TPV Model A00 Oct 22 2008 Initial Release E26RMZNKW9PV2N...

Page 3: ...acteristics might create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or im...

Page 4: ...TSC standard ATSC standard 8 VSB Clear QAM AV RCA x 1 S Video S Video x 1 Audio L R x 1 COMPONENT Y Cb Cr x 1 Audio channel L Rx 1 HDMI 720p 1080i 480p 480i Video Inputs PC VGA x 1 PC Audio in x 1 Spe...

Page 5: ...26 LCD TV Polaroid TLM 22601B 5 2 Operating Instructions 2 1 The Use of Remote Control...

Page 6: ...signal 3 Auto Ch Search Automatically scan all NTSC ATSC TV channels and then store in the channel table In channel scan process the OSD can display the number of channels which had been found 4 Add...

Page 7: ...the tuning range is R50 G50 6 Backlight Backlight strength adjustment the tuning range is 0 10 7 Settings Restore the default video settings The Audio menu in TV mode shows as below It provides audio...

Page 8: ...early below 1 Time Set Set the current time This sub menu includes Time Set Mode Time Zone and Time items Time Set Mode user can choose Auto or Manual Time Zone item provides user to set current time...

Page 9: ...Control V chip function setting Before entering the Parental Control sub menu user has to key in the password first Then enter the Parental Lock item User can modify the restricted table about MPAA o...

Page 10: ...ransparent Translucent Solid Flashing modes Background Color Giving Red Green Blue Yellow Magenta Cyan Black White Colors Background Opacity Giving Transparent Translucent Solid Flashing modes Edge Ef...

Page 11: ...26 LCD TV Polaroid TLM 22601B 11...

Page 12: ...26 LCD TV Polaroid TLM 22601B 12 2 3 How to Connect...

Page 13: ...OMPONENT YPb CbPr Cr with Audio L R Connect the primary source for component video devices such as a DVD Player or set top box here From left to right use red for Pr blue for Pb green for Y red for ri...

Page 14: ...vel 3 CH CH Press to select the next higher channel 4 CH CH Press to select the next lower channel 5 MENU Menu key Press to open or exit the OSD menu 6 INPUT Source key Press to select the input sourc...

Page 15: ...erial Data for DDC 5 Ground 13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground 3 2 HDMI Digital connector pin assignments Pin No Description Pin No Description 1 TMD...

Page 16: ...75 ohm Impedance 75 ohm terminated Y 0 299R 0 587G 0 114B R Y 0 701R 0 587G 0 114B B Y 0 299R 0 587G 0 886B 3 4 Compatible Mode Table VESA MODES Horizontal Vertical Mode Resolution Total Nominal Frequ...

Page 17: ...26 LCD TV Polaroid TLM 22601B 17 4 Mechanical Instructions 1 Remove the 3 screws to remove the base 2 Remove 11 screws to remove the rear cover 3 Remove the screws to remove the BKT vesa...

Page 18: ...26 LCD TV Polaroid TLM 22601B 18 4 Release the connectors 5 Remove the speakers...

Page 19: ...26 LCD TV Polaroid TLM 22601B 19 6 Remove the main board power board 7 Remove the BKT PCB holder 8 Release the key board and IR board...

Page 20: ...26 LCD TV Polaroid TLM 22601B 20 9 Remove the BKT panel support 10 Remove the bezel 11 Remove the 4 screws to release the panel...

Page 21: ...01 or C910 OK Check D902 C920 Check D950 C952 C954 NG Replace D902 or C920 OK Check T901 OK Replace T901 Replace D950 or C952 or C954 NG NG NG Repair the key board OK Check 5V SB NG Return to 1 OK Che...

Page 22: ...cable OK Check 24V power supply NG Check B voltage T902 D970 C975 OK OK Check U401 NG Replace main board OK Check panel NG Replace panel Check BL_ON_OFF signal NG Check U409 OK Check C999 12V NG Repl...

Page 23: ...source NG Check signal filter circuit NG Replace the filter or inductance OK NG TV signal Check TV system setup OK Check TU202 Replace TU202 HDMI signal Check U502 NG Replace U502 OK Check U406 NG Re...

Page 24: ...cuit NG Replace the filter or inductance OK NG SIF signal Check TV system setup OK Check TU202 Replace TU202 Check U601 U602 NG Replace U601 or U602 Check Earphone jack NG Replace the Earphone jack OK...

Page 25: ...5 5 6 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y Is Key Pad Board Normally Replace Key Pad Bo...

Page 26: ...26 LCD TV Polaroid TLM 22601B 26 6 PCB Layout 6 1 Main Board...

Page 27: ...26 LCD TV Polaroid TLM 22601B 27...

Page 28: ...26 LCD TV Polaroid TLM 22601B 28 6 2 Power Board...

Page 29: ...26 LCD TV Polaroid TLM 22601B 29 6 3 Key Board 6 4 IR Board...

Page 30: ...M 22601B 30 7 Adjustment It s no need to adjust the white balance for this model Enter into the factory mode Turn on the TV press MENU key with remote control then press number key 1 9 9 9 It will ach...

Page 31: ...M4580 VGA AUDIO R L IIS CM2031 CVBS Hsync Vsync Audio Amplifier STA333BW Reserve LCD PANEL TMDS MCU RTD2120L VIF YPbPr AUDIO R L POWER ON M24C02 GPIO TMDS LVDS RGB Audio Processor WM8594SEFT EJTAG HDM...

Page 32: ...3 Tuner T2763 1 X X 30 080909 1 TP206 RF_AGC 1 TP203 TPCLK AB15 TPFRAME AC15 TPVALID AC14 TPDATA0 AB12 TPDATA7 AB14 TPDATA6 AD14 TPDATA5 AB13 TPDATA4 AC13 TPDATA3 AD13 TPDATA2 AD12 TPDATA1 AC12 Transp...

Page 33: ...ideo Out U401I ZR39770HGCF U401 CVBS0 W3 SVIDEO0Y U3 SVIDEO0C V3 CVBS1 Y3 SVIDEO1Y U2 SVIDEO1C V2 CVBS2 Y4 SD Video In U401L ZR39770HGCF R234 47K OHM 1 10W C255 0 1UF16V R233 47K OHM 1 10W 1 2 FB214 3...

Page 34: ...1uF R501 0 OHM 1 10W HDMI_HPD0 R511 390 OHM 1 1 10W 1 TP502 HDMI1_D2P B4 HDMI1_D2N A4 HDMI1_D1P C4 HDMI1_D1N C5 HDMI1_D0P A5 HDMI1_D0N B5 HDMI1_CLKP B6 HDMI1_CLKN A6 HDMI1_CEC C6 HDMI1_SCL B7 HDMI1_SD...

Page 35: ...1 4 7K OHM 1 10W D3V3 YPBPR_PR YPBPR_Y YPBPR_PB VGA_G VGA_R VGA_B R254 33 OHM 1 10W UART0_RX 7 VIN_R1 V4 VIN_G1 U4 VIN_B1 T3 SOGIN0 R4 SOYIN0 T4 VGA_R0 T5 VGA_G0 R5 VGA_B0 R3 AFE_VS_IN L5 AFE_HS_IN K5...

Page 36: ...M 1 10W R416 4 7K OHM 1 10W R419 4 7K OHM 1 10W C403 0 1uF R406 1K OHM 1 10W R401 4 7K OHM 1 10W X401 25MHz EMI R409 4 7K OHM 1 10W TRST E16 TDI E14 TDO E18 TMS E15 TCK E17 TAPSEL E13 IRR R22 UART0_TX...

Page 37: ...4 7K OHM 1 10W R441 4 7K OHM 1 10W C4G5 22UF 10V AVDD18_HPLL M2 AVDD3_HPLL M1 AVDD3_SYNC N1 AVDD_SYNC1 R2 AVDD3_AFE N2 AVDD18_R P2 AVDD18_G P1 AVDD18_B R1 AVDDLDO L1 LVDSTX_VDD33_0 AA3 LVDSTX_VDD33_1...

Page 38: ...A7 VDD A1 VDD E1 VDD J9 VDDQ C1 VDD M9 VDD R1 VDDL J1 VDDQ A9 VDDQ C3 VDDQ C7 VDDQ C9 VDDQ E9 VDDQ G1 VDDQ G3 VDDQ G7 VDDQ G9 VSS E3 VSS J3 VSS N1 VSS P9 VSSDL J7 VSSQ B2 VSSQ B8 VSSQ D2 VSSQ D8 VSSQ...

Page 39: ...VDD17 N7 CORE_VDD18_0 P6 CORE_VDD18 P7 CORE_VDD18_1 R6 CORE_VDD19 R7 CORE_VDD20 T7 CORE_VDD21 L20 CORE_VDD22 L21 CORE_VDD23 M20 CORE_VDD24 M21 CORE_VDD25 N20 CORE_VDD26 N21 CORE_VDD27 P20 CORE_VDD28 P...

Page 40: ...0 1uF R4D8 NC C4B3 0 1uF R4C4 10K OHM 1 10W R4A8 100 OHM 1 10W R4E4 4 7K OHM 1 10W R497 10K OHM 1 10W R4A4 100 OHM 1 10W C4C3 10uF 16V R4A1 10K OHM 1 10W R496 10K OHM 1 10W R4E5 8 2K OHM 1 10W R4A5 1...

Page 41: ...5 BCLK0 AE15 LRCLK0 AE16 ADATAI0_0 AD15 ADATAI0_1 AC16 ADATAI0_2 AB16 ADATAO0_0 AD16 ADATAO0_1 AC17 ADATAO0_2 AB17 IEC958_0 AF16 Audio I F U401E ZR39770HGCF C616 0 1uF 1 2 FB601 300 OHM C609 0 1uF C60...

Page 42: ...PWRDN 23 PLL_Vdd 24 Vdd_DIG 36 GND_DIG 35 SCL 34 SDA 33 INT_LINE 32 RESET 31 SDI 30 LRCKI 29 BICKI 28 XTI 27 PLL_GND 26 PLL_FILTER 25 U601 STA559BW C643 0 1uF R679 NC R652 NC C662 0 1uF C640 0 47uF C6...

Page 43: ...E268MZNKWDVAN E26RMZNKPVN E Viewsonic B 14 18 Tuesday September 09 2008 715T2763 14 Earphone AV Output T2763 1 X X 30 080909 1 2 ZD604 C646 470uF 6 3V C647 100pF R662 10K OHM 1 10W C645 470uF 6 3V R6...

Page 44: ...D12V C715 1000pF C742 0 1uF R2 Vout 0 8x R1 R2 R2 C732 1000pF R1 VI 3 VO 2 GND 1 U708 C757 0 001uF L702 4 7uH R708 10 OHM 1 10W C731 0 1uF S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 Q703 NC IN 1 OUT 3 GND 2 U707...

Page 45: ...F 25V ZD970 RLZ27B 1 2 R960 1K OHM 1 10W R948 0 OHM 1 4W R939 10K OHM 1 10W R943 22 OHM 1 8W IC903 FAN7602BMX 1 2 3 4 5 6 7 8 LUVP Latch Plimit CS FB GND OUT VCC NC VSTR C919 1000pF 24V R949 0 OHM 1 4...

Page 46: ...2833 A A 1 1 Thursday August 02 2007 Title Size Document Number Rev Date Sheet of SW06 SW 2 1 3 4 5 P SW C03 NC CN02 CONN 2 4 6 8 1 3 5 7 VOL MENU MENU CH SOURCE SW SOURCE SW CH SW02 SW 2 1 3 4 5 SW07...

Page 47: ...26 LCD TV Polaroid TLM 22601B 47 10 Exploded View a...

Page 48: ...Q41T7830008 5A WARRANTY CARD Q44G600024D 3A carton Q45G 76 28NV2 R PE BAG FOR CLAMP Q45G2007M0102A pe bag for manual 040T 581654 3A CARTON LABEL Q40G 582813 3A S N LABEL Q40T 260008 2A RATING LABEL 0...

Page 49: ...10 47 CR3 SCREW 0Q1T 940 14 47 CR3 SCREW 705TQ833036 PLASTIC ASS Y 0Q1G 930 6120 SCREW 3X6MM A33T0304 GMC1L0100 COVER_BUTTON A33T0305 QV 1L0200 BUTTON_FUNC KEPF7QAA KEY board ASSY CN02 033G8027 8 H WA...

Page 50: ...5T306K3312BP 330PF K 250VAC C907 065T306K3312BP 330PF K 250VAC C909 065T306K3312F2 Y1 330PF K 250VAC C903 065T306K6812BP Y1 680PF M 250VAC C902 065T306K6812BP Y1 680PF M 250VAC C952 067G204V331 3K CS...

Page 51: ...OT 89 KEC Q925 057G 761 12 TRA KTB1124B SOT 89 KEC R956 061G0603000 RST CHIP MAX 0R05 1 10W R945 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R958 061G0603100 2F RST CHIPR 10K OHM 1 1 10W R957 061G0603100...

Page 52: ...06000 RST CHIP MAX 0R05 1 4W RJ902 061G1206000 RST CHIP MAX 0R05 1 4W R941 061G1206103 RST CHIPR 10K OHM 5 1 4W R961 061G1206103 RST CHIPR 10K OHM 5 1 4W R933 061G1206220 RST CHIPR 22 OHM 5 1 4W R934...

Page 53: ...G 6432V LL4148 GSO8 D971 093G 6432V LL4148 GSO8 D941 093G 6432V LL4148 GSO8 ZD930 093G 39S 15 T RLZ15B LLDS ZD920 093G 39S 24 T RLZ 5 6B LLDS ZD970 093G 39S 42 T RLZ27B LLDS ZD931 093G 39S 44 T RLZ18B...

Page 54: ...MA 7M TUNER NTSC ATSC ENV56R01D8F C659 064G701J4740AT 0 47uF 50V C640 064G701J4740AT 0 47uF 50V C733 067G 2046812KT CS CAP 680uF 10V 8 11 mm C719 067G 2046812KT CS CAP 680uF 10V 8 11 mm C716 067G 204...

Page 55: ...33103 IC M25P32 VMF6P 32M s0 16 U403 056G113353A IC M24C32 WMN6T SO 8 ST U204 056G4LVCG17 TI IC SN74LVC1G17DBVR STO 23 U203 056G4LVCG17 TI IC SN74LVC1G17DBVR STO 23 U707 056T 133 23 R BA17809FP E2 U60...

Page 56: ...OHM 5 1 10W R4A7 061G0603101 RST CHIPR 100 OHM 5 1 10W R259 061G0603102 RST CHIPR 1K OHM 5 1 10W R283 061G0603102 RST CHIPR 1K OHM 5 1 10W R403 061G0603102 RST CHIPR 1K OHM 5 1 10W R405 061G0603102 R...

Page 57: ...CHIPR 22 OHM 5 1 10W R4G2 061G0603220 RST CHIPR 22 OHM 5 1 10W R4G4 061G0603220 RST CHIPR 22 OHM 5 1 10W R611 061G0603220 RST CHIPR 22 OHM 5 1 10W R647 061G0603220 RST CHIPR 22 OHM 5 1 10W R648 061G06...

Page 58: ...10W R416 061G0603472 RST CHIPR 4 7K OHM 5 1 10W R415 061G0603472 RST CHIPR 4 7K OHM 5 1 10W R414 061G0603472 RST CHIPR 4 7K OHM 5 1 10W R409 061G0603472 RST CHIPR 4 7K OHM 5 1 10W R407 061G0603472 RST...

Page 59: ...0 9F RST CHIPR 75 OHM 1 1 10W R228 061G0603750 9F RST CHIPR 75 OHM 1 1 10W R251 061G0603750 9F RST CHIPR 75 OHM 1 1 10W R252 061G0603750 9F RST CHIPR 75 OHM 1 1 10W R448 061G0603750 9F RST CHIPR 75 OH...

Page 60: ...0402 0 1UF 16V X7R C463 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C464 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C465 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C466 065G0402104 12 CAP CHIP 0402 0...

Page 61: ...402 0 1UF 16V X7R C221 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C222 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C225 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C226 065G0402104 12 CAP CHIP 0402 0 1U...

Page 62: ...0603102 31 CHIP 1000PF 50V NPO C757 065G0603102 31 CHIP 1000PF 50V NPO C722 065G0603102 31 CHIP 1000PF 50V NPO C712 065G0603102 32 1000PF 10 50V X7R C616 065G0603104 32 CHIP 0 1UF 50V X7R C617 065G060...

Page 63: ...065G0603104 32 CHIP 0 1UF 50V X7R C667 065G0603104 32 CHIP 0 1UF 50V X7R C240 065G0603104 32 CHIP 0 1UF 50V X7R C243 065G0603104 32 CHIP 0 1UF 50V X7R C249 065G0603104 32 CHIP 0 1UF 50V X7R C289 065G...

Page 64: ...32 CHIP 220PF 50V X7R C285 065G0603224 32 CHIP 0 22UF 50V X7R C402 065G0603224 32 CHIP 0 22UF 50V X7R C739 065G0603224 32 CHIP 0 22UF 50V X7R C747 065G0603224 32 CHIP 0 22UF 50V X7R C748 065G0603224 3...

Page 65: ...G 59B121 TB160808B FB416 071G 59B121 TB160808B FB415 071G 59B121 TB160808B FB414 071G 59B121 TB160808B FB412 071G 59B121 TB160808B FB411 071G 59B121 TB160808B FB410 071G 59B121 TB160808B FB408 071G 59...

Page 66: ...IG SM BAT54C PHSE R ZD403 093G 64 37 N VPORT0603100KV05 ZD404 093G 64 37 N VPORT0603100KV05 ZD603 093G 64 37 N VPORT0603100KV05 ZD604 093G 64 37 N VPORT0603100KV05 ZD605 093G 64 37 N VPORT0603100KV05...

Page 67: ...18134 NONWOVEN FABRIC Q36T 600 28 3 GP NONWOVEN FABRIC Q40T000297615A BLACK LABEL Q44TE021101 EPS CUSHION Q44TE021201 EPS CUSHION Q44TE021301 EPS CUSHION Q45G 99609 78 EPE BAG FOR MONITOR Q45T 99609...

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