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TCL 2927 Service Manual
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TCL 2927 Service Manual

TCL 2927 Service Manual

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SERVICE MANUAL

1. Caution.....................................................................2
2. Specification...............................................................6
3. BOM List....................................................................9
4. Alignment Procedure....................................................39
5. Block Diagram............................................................43
6. Schematic Diagram......................................................44
7. PCB Layout................................................................45
8. Exploded View Diagram..................................................47
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product.
TCL
2927

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Summary of Contents for TCL 2927

  • Page 1: Service Manual

    SERVICE MANUAL 2927 1. Caution……………………………………………………………2 2. Specification………………………………………………………6 3. BOM List…………………………………………………………..9 4. Alignment Procedure………………………………………….…39 5. Block Diagram……………………………………………………43 6. Schematic Diagram………………………………………………44 7. PCB Layout………….……………………………………………45 8. Exploded View Diagram…………………………………………..47 This manual is the latest at the time of printing, and does not include the modification which may be made after the printing, by...
  • Page 2 CAUTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UTION: TO REDUCE THE RISK OF CAUTION ELECTRICAL SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE RISK RISK OF OF ELECTRI ELECTRIC C PARTS INSIDE.

  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Save these instructions for later use. Follow all Warnings and Instructions marked on the audio equipment. 1. Read Instructions- All the safety and operating instructions should be read before the product is operated. 2.
  • Page 4 PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.

  • Page 5: If The Set Does Not Operate Properly

    OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.
  • Page 6 User Interface +Interface Name 2927 +Voice Control Cursor Control +Menu +Menu Colours +Menu Languages Spanish, English, Portuguese, French +Special Features V-Chip, CCD, Channel lock, Child Lock, Note Book,Calendar, Favorite Channel +Operational Features +PP Features 2004-11-16 15:45 2927 pfs 1 of 3...
  • Page 7 +Software Delivery Mode +Software Version +Mains Voltage 110-240V 50/60Hz +Mains Frequency ARGENTINA +Type Mains Cord Power Consumption (P)TV in On Power Consumption SB in Watts Less than 6 Power Consumption Semi SB in W 2004-11-16 15:45 2927 pfs 2 of 3...
  • Page 8 +PC Control Built-in DVD drive +Type of Medium +Type of Deck Phased Out Items +Tuner/Frontend +Sensitivity +CRT EHT +Lightning Protection +Account +XX(Radio Antenna in) +Non Volatile Memory +In Y/C + Cinch(CVBS+Mo) Version of deck 2004-11-16 15:45 2927 pfs 3 of 3...
  • Page 9 Item No. Description Quantity Req. Designator Remarks 08-002975-FRY ASS'Y - PACKING FOR F/R CAB. 74-120120-8CD POLYBAG (120CMX120CM) 74-145120-8CD POLYBAG (145CMX120CM) 74-339010-50C EPE BOARD (800mmX530mmX5mm) 0.25 74-339030-50C EPE BOARD (1200MMX300MMX5MM) 74-345900-50C EPE BOARD (600MMX400MMX5MM) 0.25 76-001497-0AF CARTON BOX LWH 640X460X360MM 0.035 76-002980-0AP CARTON BOX LWH 820X600X600MM 0.25...
  • Page 10 Item No. Description Quantity Req. Designator Remarks 11-2SA817-AAX TRANSISTOR 2SA817AY 1 Q208 11-C124ES-0BX TRANSISTOR PDTC124ES (NPN) 1 Q209 11-C124ES-0BX TRANSISTOR PDTC124ES (NPN) 1 Q918 11-C124ES-0BX TRANSISTOR PDTC124ES (NPN) 1 Q919 11-SA1015-YBX TRANSISTOR 2SA1015Y 1 Q008 11-SA1015-YBX TRANSISTOR 2SA1015Y 1 Q412 11-SA1015-YBX TRANSISTOR 2SA1015Y 1 Q413...
  • Page 11 Item No. Description Quantity Req. Designator Remarks 18-CB0101-JNX RES. C.F. 100 OHM 1/6W +/-5% 1 R101 18-CB0101-JNX RES. C.F. 100 OHM 1/6W +/-5% 1 R101A 18-CB0101-JNX RES. C.F. 100 OHM 1/6W +/-5% 1 R920 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R003 18-CB0102-JNX RES.
  • Page 12 Item No. Description Quantity Req. Designator Remarks 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R228 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R314 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R619 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R944 18-CB0103-JNX RES.
  • Page 13 Item No. Description Quantity Req. Designator Remarks 18-CB0223-JNX RES. C.F. 22k OHM 1/6W +/-5% 1 R905 18-CB0223-JNX RES. C.F. 22k OHM 1/6W +/-5% 1 R952 18-CB0223-JNX RES. C.F. 22k OHM 1/6W +/-5% 1 R953 18-CB0223-JNX RES. C.F. 22k OHM 1/6W +/-5% 1 R935 18-CB0223-JNX RES.
  • Page 14 Item No. Description Quantity Req. Designator Remarks 18-CB0681-JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R106 18-CB0562-JNX RES. C.F. 5.6k OHM 1/6W +/-5% 1 R418 18-CB0683-JNX RES. C.F. 68K OHM 1/6W +/-5% 1 R941 18-CB0750-JNX RES. C.F. 75 OHM 1/6W +/-5% 1 R923 18-CB0820-JNX RES.
  • Page 15 Item No. Description Quantity Req. Designator Remarks 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% 1 C209 25-BCB101-M1X CAP. ELEC 100 UF 16V +/-20% 1 C219 25-BCB101-M1X CAP. ELEC 100 UF 16V +/-20% 1 C233 25-BCB101-M1X CAP. ELEC 100 UF 16V +/-20% 1 C912 25-BCB101-M1X CAP.
  • Page 16 Item No. Description Quantity Req. Designator Remarks 25-GLA220-M1X CAP. ELEC 22UF 250V +/-20% 1 C442 26-ABC104-ZFX CAP. CER 0.1 UF 50V +80-20% F 1 C230 26-AIC221-KBX CAP. CER 220 PF 500V +/-10% B 1 C441 26-AIC221-KBX CAP. CER 220 PF 500V +/-10% B 1 C433 26-AIC332-KBX CAP.
  • Page 17 Item No. Description Quantity Req. Designator Remarks 26-EBP270-JCX CAP. CER 27PF 50V +/-5% CH 1 C008 26-EBP330-JCX CAP. CER 33PF 50V +/-5% CH 1 C925 26-EBP390-JCX CAP. CER 39PF 50V +/-5% CH 1 C031 26-EBP390-JCX CAP. CER 39PF 50V +/-5% CH 1 C032 26-EBP470-JCX CAP.
  • Page 18 Item No. Description Quantity Req. Designator Remarks 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J301 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J306 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J901 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J921 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J107 41-WJ0060-B00 WIRE BARE JUMPER 6mm...
  • Page 19 Item No. Description Quantity Req. Designator Remarks 41-WJ0080-B00 WIRE BARE JUMPER 8 MM 1 J304 41-WJ0080-B00 WIRE BARE JUMPER 8 MM 1 J303 41-WJ0080-B00 WIRE BARE JUMPER 8 MM 1 J623 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM 1 J202 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM 1 J203 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM...
  • Page 20 Item No. Description Quantity Req. Designator Remarks 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM 1 J939 41-WJ0120-B00 WIRE BARE JUMPER 12MM 1 J023 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 J004 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 J109 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 J212 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM...
  • Page 21 Item No. Description Quantity Req. Designator Remarks 41-WJ0165-B00 WIRE BARE JUMPER 16.5MM 1 J029 41-WJ0165-B00 WIRE BARE JUMPER 16.5MM 1 J225 41-WJ0175-B00 WIRE BARE JUMPER 17.5MM 1 J915 41-WJ0185-B00 WIRE BARE JUMPER 18.5MM 1 J015 41-WJ0185-B00 WIRE BARE JUMPER 18.5MM 1 J606 41-WJ0190-B00 WIRE BARE JUMPER 19MM...
  • Page 22 Item No. Description Quantity Req. Designator Remarks 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR C419(1,2) 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR L413 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR L414 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR Q411 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR C413(1,2) 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR C412(1,2,3) 66-382330-0B7 RIVET 2.0X3.7X3.5...
  • Page 23 Item No. Description Quantity Req. Designator Remarks 18-CB0122-JNX RES. C.F. 1.2k OHM 1/6W +/-5% 1 R946 40-2918T6-MAE1X P.C.B. MAIN CTL BD 41-WJ0110-B00 WIRE BARE JUMPER 11MM 1 J042 41-WJ0110-B00 WIRE BARE JUMPER 11MM 1 J043 41-WJ0110-B00 WIRE BARE JUMPER 11MM 1 J044 41-WJ0090-B00 WIRE BARE JUMPER 9MM...
  • Page 24 Item No. Description Quantity Req. Designator Remarks 13-SFH615-A3P PHOTO COUPLER SFH615A3 1 IC802 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R813 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R833 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R807 18-CB0104-JNX RES.
  • Page 25 Item No. Description Quantity Req. Designator Remarks 25-BDB470-M1X CAP. ELEC 47 UF 25V +/-20% 1 C840 25-BJG221-M1X CAP. ELEC 220 UF 160V +/-20% 1 C835 25-KEG222-M1X CAP. ELEC 2200 UF 35V +/-20% 1 C839 25-KJG101-M1X CAP. ELEC 100 UF 160V +/-20% 1 C824 26-ABC104-ZFX CAP.
  • Page 26 Item No. Description Quantity Req. Designator Remarks 35-139730-00X FERR. BEAD BF60 FOR D832 35-237250-00X FERR. BEAD HF70 4.5X5.0 FOR D831 35-237250-00X FERR. BEAD HF70 4.5X5.0 FOR D833 36-LIF022-AX0 LINE FILTER 1 T801 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J823 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J824 41-WJ0060-B00...
  • Page 27 Item No. Description Quantity Req. Designator Remarks 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR RT801 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR T803(1,9,7,10,12,18) 66-382330-0B7 RIVET 2.0X3.7X3.5 FOR IC804 66-382330-0B7 RIVET 2.0X3.7X3.5 FOR P803 66-382330-0B7 RIVET 2.0X3.7X3.5 FOR IC805 66-382330-0B7 RIVET 2.0X3.7X3.5 FOR C806 67-H27292-3A0 HEAT SINK FOR IC805 67-H27292-5A0...
  • Page 28 Item No. Description Quantity Req. Designator Remarks 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R1221 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R1236 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R1215 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R1216 18-CB0103-JNX RES.
  • Page 29 Item No. Description Quantity Req. Designator Remarks 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C1214 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C1215 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C1223 26-EBP104-ZFX CAP. CER 0.1UF 50V +80%/-20% 1 C1205 26-EBP120-JCX CAP.
  • Page 30 Item No. Description Quantity Req. Designator Remarks 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R1022 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R1023 18-CB0104-JNX RES. C.F. 100K OHM 1/6W +/-5% 1 R1004 18-CB0152-JNX RES. C.F. 1.5k OHM 1/6W +/-5% 1 R1007 18-CB0332-JNX RES.
  • Page 31 Item No. Description Quantity Req. Designator Remarks 13-MSP342-5GB IC MSP 3425G 1 IC1001 34-A220K0-1IX COIL PL - 22UH +/-10% LGA0305-220K 1 J1005 41-WJ0150-B00 WIRE BARE JUMPER 15MM 1 J1001 41-WJ0175-B00 WIRE BARE JUMPER 17.5MM 1 J1004 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM 1 J1006 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM...
  • Page 32 Item No. Description Quantity Req. Designator Remarks 18-CB0272-JNX RES. C.F. 2.7k OHM 1/6W +/-5% 1 R514 18-CB0561-JNX RES. C.F. 560 OHM 1/6W +/-5% 1 R501 18-CB0561-JNX RES. C.F. 560 OHM 1/6W +/-5% 1 R505 18-CB0561-JNX RES. C.F. 560 OHM 1/6W +/-5% 1 R510 18-CB0681-JNX RES.
  • Page 33 Item No. Description Quantity Req. Designator Remarks 46-10967W-01X PIN BASE *1 TJC1-1A P501 FOR CRT GROUNDING HOUS. 46-33079W-04X PIN BASE *4 TJC3-4A P502 FOR M.BD P421 46-33079W-05X PIN BASE *5 TJC3-5A P503 FOR M.BD P201 47-CRT004-XX0 CRT SOCKET GZS10-2-AC2 1 S501 40-02501C-CRI1X P.C.B.
  • Page 34 Item No. Description Quantity Req. Designator Remarks 48-TAC002-XX0 TACT SWITCH 1 S003A 48-TAC002-XX0 TACT SWITCH 1 S004A 48-TAC002-XX0 TACT SWITCH 1 S005A 48-TAC002-XX0 TACT SWITCH 1 S006A 48-TAC002-XX0 TACT SWITCH 1 S007A 51-DC0220-0QB01 POWER CORD 62-269940-0HA POWER SW. CONNECTIONABS-LG H121 (HB) 62-313930-1HA LED HOLDER 63-P30060-BF3...
  • Page 35 Item No. Description Quantity Req. Designator Remarks 63-W30100-AB4 S/T SCREW W 3 X 10 AB MTG LENS & FRONT CAB. 63-W30100-AB4 S/T SCREW W 3 X 10 AB MTG PUSH BUTTON & FRONT CAB. 63-W30140-HS4 S/T SCREW W 3 X 14 HS MTG SPK &...
  • Page 36 Item No. Description Quantity Req. Designator Remarks 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C902 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C1033 27-AGR434-JSX CAP. M.PP 0.43UF 250V +/-5% 1 C419 27-ALQ662-J0X CAP. M.PP 6600PF 1.6KV +/-5% 1 C412 27-ALR332-J0X CAP.
  • Page 37 Item No. Description Quantity Req. Designator Remarks 63-W30100-AB4 S/T SCREW W 3 X 10 AB MTG M.BD & M.BD BKT 66-382330-0B7 RIVET 2.0X3.7X3.5 FOR P801 08-2927S6-PA2 ASS'Y - PACKING PARTS 49-382550-BAT BATTERY R06P AA 1.5V 5# 72-2927S6-E49 OPERATION MANUAL 74-010050-40C POLYBAG FOR POWER (10CMX50CM) 74-022032-6WE POLYBAG (23cmX34cmX0.06mm)
  • Page 38 Item No. Description Quantity Req. Designator Remarks 46-38610H-07X HS 7P 600 TJC3-7Y/SCN-7Y P902 FOR M.BD P911 47-RCA041-XX0 JACK RCA 3PH H=8MM YL WH RD/SW 1 P951 47-SVI002-XX0 Y/C SOCKET VERTICAL TYPE 1 P961 08-HS46F0-M134 ASS'Y - REMOTE HANDSET BD 11-0BC337-0BX TRANSISTOR (NPN) BC337-40 1 Q1501 13-00AS12-13B...
  • Page 39 M134 Alignment Procedures A. Enter Factory Mode: Simply press the “SERVICE” key on the factory remote handset. Press “ “ “ “ 1， ， ， ， 2， ， ， ， 3， ， ， ， 4， ， ， ， 5， ， ， ， 6， ， ， ， 7， ， ， ， 8， ， ， ， 9， ， ， ， 0， ， ， ， NOTEBOOK,CAPS, DISPLAY ,SLEEP, CALENDAR ,COLOR/INS， ， ， ， FAVORITE,RECALL”...
  • Page 40 IN60 OUTPUT 输入 输出 INPUT 3. Sound Amplifier Adjustment: 1) Apply 45.75 IF signal which is >60dB from P1101 2) Adjusting T1101 to make the voltage of Pin 15 in IC1101 is 2.5+0.05V. 4. Screen & Focus voltage adjustment: 1) Apply pattern signal in normal status, enter D-mode, press “TV/AV” button to turn off the vertical output.
  • Page 41 Please see the User’s Manual to check V-CHIP. FAC 01 FAC 02 FAC 02 FAC 03 Item Data Item Data Item Data Item Data HIGH5 HIGH6 HPOS5 VP50 VP60 PARA5 VLIN5 VLIN6 TRAP5 VSC5 VSC6 HSIZE5* VBLK5 VBLK6 CNRT5 VCEN5 VCEN6 CNRB5 VEHT5...
  • Page 42 FAC 11 FAC 12 FAC 13 FAC 14 Item Data Item Data Item Data Item Data MPB-STR 43 CLTM HAFC MPB-HMC 0D SVM1 CLVO AGCC MPB-HP OSD2 CLVS NOIS MPB-LP OSDF2 ONTM MPB-LIM 00 PYNX DCBS NSHP SUB-FRE 28 PYNN FLG0 PVLVL SUB-HP...