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RCA TF 2920 Service Manual

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SERVICE MANUAL

1. Caution.....................................................................2
2. Specification...............................................................6
3. BOM List ........................... .......................................9
4. Alignment Procedure.....................................................43
5. Block Diagram.............................................................47
6. Schematic Diagram.......................................................48
7. PCB Layout.................................................................49
8. Explode View Diagram...................................................51
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.
RCA
TF 2920

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Summary of Contents for RCA TF 2920

  • Page 1: Service Manual

    SERVICE MANUAL TF 2920 1. Caution……………………………………………………………2 2. Specification………………………………………………………6 3. BOM List ……………………… …………………………………9 4. Alignment Procedure………………………………………….….43 5. Block Diagram…………………………………………………….47 6. Schematic Diagram……………………………………………….48 7. PCB Layout………….…………………………………………….49 8. Explode View Diagram……………………………………………51 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.
  • 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 PFS2 FORMAT-1 Report Date: 2004-5-19 14:06 ProductView..: Product:@ Report by....: TF 2920 Specs / Products SRF NO./ODF NO. ON44019803 MasterData RADIO VICTORIA Customer Id Version Status WG Archived Brand Reception +Tuning - presets/channels +Tuning - technology +Tuning - Indication +Freq Bands...
  • Page 7 Date: 2004-5-19 14:06 ProductView..: Product:@ Report by....: TF 2920 Specs / Products +Tuning/Install Features Auto Store, Factory Mode, Language Selection, Service Mode +Clock/Timer Functions Sleep timer +Local Controls Front +Local Controls Top +Indicators - screen +Indicators - front +Numb of Loc Cont (incl Mains) +Number of Ind.
  • Page 8 Date: 2004-5-19 14:06 ProductView..: Product:@ Report by....: TF 2920 Specs / Products +Power in "ON" for +Power in Standby for +Power in "OFF" for Weight (P)TV (incl. Packaging) Weight (P)TV (excl. Package) Weight AVUnit excl Packaging +INDICATION on BACKCOVER +Channel...
  • Page 9 Item No. Description Quantity Req. Designator Remarks 08-002980-FRY ASS'Y - PACKING FOR F/R CAB. 74-090060-50D POLYBAG (90CMX60CMX0.5MM) 74-120120-8CD POLYBAG (120CMX120CM) 74-145120-8CD POLYBAG (145CMX120CM) 74-339010-50C EPE BOARD (800mmX530mmX5mm) 1.27 74-339020-50C EPE BOARD (800mmX600mmX5mm) 0.25 74-339030-50C EPE BOARD (1200MMX300MMX5MM) 1.333 76-001497-0AF CARTON BOX LWH 640X460X360MM 0.028 76-002980-0AF CARTON BOX LWH 820X650X560MM...
  • Page 10 Item No. Description Quantity Req. Designator Remarks 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 D410 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 R212 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 D215 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 D310 10-79C8V2-DBX DIODE ZENER 8V2 1/2W 5% 1 D303 10-HS5V1B-DBX DIODE 500mW 5.1HSB 1 D001 11-2SA817-AAX...
  • Page 11 Item No. Description Quantity Req. Designator Remarks 11-SC2482-0BX TRANSISTOR 2SC2482 1 Q401 11-SC3779-DBX TRANSISTOR 2SC3779D (RF AMPL) 1 Q101 13-000040-52P IC 4052 1 IC901 13-00M24C-08P IC EEPROM 8K M24C08 (WRITE) 1 IC001 13-0TDA81-77S IC TDA8177 1 IC301 18-CB0100-JNX RES. C.F. 10 OHM 1/6W +/-5% 1 R244 18-CB0101-JNX RES.
  • Page 12 Item No. Description Quantity Req. Designator Remarks 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R932A 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R934 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R934A 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R936 18-CB0102-JNX RES.
  • Page 13 Item No. Description Quantity Req. Designator Remarks 18-CB0104-JNX RES. C.F. 100K OHM 1/6W +/-5% 1 R254 18-CB0121-JNX RES. C.F. 120 OHM 1/6W +/-5% 1 R235 18-CB0123-JNX RES. C.F. 12k OHM 1/6W +/-5% 1 R938 18-CB0151-JNX RES. C.F. 150 OHM 1/6W +/-5% 1 R102 18-CB0151-JNX RES.
  • Page 14 Item No. Description Quantity Req. Designator Remarks 18-CB0271-JNX RES. C.F. 270 OHM 1/6W +/-5% 1 R214 18-CB0271-JNX RES. C.F. 270 OHM 1/6W +/-5% 1 R215 18-CB0271-JNX RES. C.F. 270 OHM 1/6W +/-5% 1 R216 18-CB0271-JNX RES. C.F. 270 OHM 1/6W +/-5% 1 R241 18-CB0271-JNX RES.
  • Page 15 Item No. Description Quantity Req. Designator Remarks 18-CB0750-JNX RES. C.F. 75 OHM 1/6W +/-5% 1 R923 18-CB0820-JNX RES. C.F. 82 OHM 1/6W +/-5% 1 R902 18-CB0820-JNX RES. C.F. 82 OHM 1/6W +/-5% 1 R908 18-CB0822-JNX RES. C.F. 8.2K OHM 1/6W +/-5% 1 R246 18-CB0829-JNX RES.
  • Page 16 Item No. Description Quantity Req. Designator Remarks 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% 1 C924 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% 1 C927 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% 1 C928 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% 1 C209 25-BCB101-M1X CAP.
  • Page 17 Item No. Description Quantity Req. Designator Remarks 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% 1 C243 25-BFB478-M1X CAP. ELEC 0.47 UF 50V +/-20% 1 C227 25-BFB478-M1X CAP. ELEC 0.47 UF 50V +/-20% 1 C923 25-BFB479-M1X CAP. ELEC 4.7 UF 50V +/-20% 1 C101 25-BFB479-M1X CAP.
  • Page 18 Item No. Description Quantity Req. Designator Remarks 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C234 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C236 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C244 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C911 26-EBP103-ZFX CAP.
  • Page 19 Item No. Description Quantity Req. Designator Remarks 27-PBC822-J0X CAP. P.E 0.0082UF 63V +/-5% 1 C247 27-RHQ563-J0X CAP. PP 0.056 UF 400V +/-5% 1 C451 34-A109K0-1IX COIL CHOKE 1 UH +/-10% 1 L102 34-A608K6-1BX COIL CHOKE 0.6 UH +/-10% 1 L411 34-R100J2-0EX COIL PL - 10 UH +/-5% 1 L002...
  • Page 20 Item No. Description Quantity Req. Designator Remarks 41-WJ0065-B00 WIRE BARE JUMPER 6.5MM 1 J038 41-WJ0065-B00 WIRE BARE JUMPER 6.5MM 1 J039 41-WJ0065-B00 WIRE BARE JUMPER 6.5MM 1 J221 41-WJ0065-B00 WIRE BARE JUMPER 6.5MM 1 J603 41-WJ0065-B00 WIRE BARE JUMPER 6.5MM 1 J605 41-WJ0065-B00 WIRE BARE JUMPER 6.5MM...
  • Page 21 Item No. Description Quantity Req. Designator Remarks 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM 1 J203 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM 1 J206 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM 1 J308 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM 1 J905 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM 1 J907 41-WJ0085-B00 WIRE BARE JUMPER 8.5MM...
  • Page 22 Item No. Description Quantity Req. Designator Remarks 41-WJ0110-B00 WIRE BARE JUMPER 11MM 1 J022 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM 1 J034 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM 1 J040 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM 1 J309 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM 1 J912 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM...
  • Page 23 Item No. Description Quantity Req. Designator Remarks 41-WJ0145-B00 WIRE BARE JUMPER 14.5MM 1 J003 41-WJ0150-B00 WIRE BARE JUMPER 15MM 1 J019 41-WJ0150-B00 WIRE BARE JUMPER 15MM 1 J020 41-WJ0150-B00 WIRE BARE JUMPER 15MM 1 J224 41-WJ0150-B00 WIRE BARE JUMPER 15MM 1 J613A 41-WJ0150-B00 WIRE BARE JUMPER 15MM...
  • Page 24 Item No. Description Quantity Req. Designator Remarks 41-WJ0200-B00 WIRE BARE JUMPER 20MM 1 J217 41-WJ0200-B00 WIRE BARE JUMPER 20MM 1 J230 41-WJ0200-B00 WIRE BARE JUMPER 20MM 1 J604 45-OSC8M0-0Y0 CRYSTAL 8.0MHZ 1 X001 45-TRA4M5-0Y0 CER TRAP TPS 4.5MHZ 1 X201 46-20598W-04X PIN BASE *4 TJC1-4A P411 FOR D.Y CONNECTOR...
  • Page 25 Item No. Description Quantity Req. Designator Remarks 67-H30179-7A0 HEAT SINK FOR IC301 67-H34423-BA0 HEAT SINK FOR IC602 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C418 40-2918S5-MAG1X P.C.B.MAIN BD 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C280 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C281 26-EBP103-ZFX CAP.
  • Page 26 Item No. Description Quantity Req. Designator Remarks 18-CB0123-JNX RES. C.F. 12k OHM 1/6W +/-5% 1 R805 18-CB0182-JNX RES. C.F. 1.8K OHM 1/6W +/-5% 1 R841 18-CB0221-JNX RES. C.F. 220 OHM 1/6W +/-5% 1 R809 18-CB0222-JNX RES. C.F. 2.2k OHM 1/6W +/-5% 1 R839 18-CB0303-JNX RES.
  • Page 27 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 28 Item No. Description Quantity Req. Designator Remarks 27-PBC102-J0X CAP. P.E 0.001UF 63V +/-5% 1 C850 34-R101K2-1BX COIL CHOKE 100 UH +/-10% 1 L824 34-R101K2-1BX COIL CHOKE 100 UH +/-10% 1 L825 35-139730-00X FERR. BEAD BF60 FOR L801 35-139730-00X FERR. BEAD BF60 FOR D832 35-237250-00X FERR.
  • Page 29 Item No. Description Quantity Req. Designator Remarks 64-P30060-104 M/C SCREW 3 X 6 (ZINC) FOR IC804 & IC805 64-P30080-104 M/C SCREW P 3 X 8 FOR Q801 66-20516X-0B0 FUSE HOLDER FOR F801 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR T801(1,2,3) 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR C835(1,2) 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2...
  • Page 30 Item No. Description Quantity Req. Designator Remarks 11-SA1015-YBX TRANSISTOR 2SA1015Y 1 Q1202 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q1212 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q1201 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q1203 13-TC90A4-90P IC TC90A49P 1 IC1201 18-CB0101-JNX RES. C.F. 100 OHM 1/6W +/-5% 1 R1228 18-CB0101-JNX RES.
  • Page 31 Item No. Description Quantity Req. Designator Remarks 25-BCB470-M1X CAP. ELEC 47 UF 16V +/-20% 1 C1212 25-BCB470-M1X CAP. ELEC 47 UF 16V +/-20% 1 C1217 25-BCB470-M1X CAP. ELEC 47 UF 16V +/-20% 1 C1219 25-BCB470-M1X CAP. ELEC 47 UF 16V +/-20% 1 C1224 25-BCB470-M1X CAP.
  • Page 32 Item No. Description Quantity Req. Designator Remarks 34-R100J2-0EX COIL PL - 10 UH +/-5% 1 L1214 34-R100J2-0EX COIL PL - 10 UH +/-5% 1 L1215 34-R100J2-0EX COIL PL - 10 UH +/-5% 1 L1211 34-R100J2-0EX COIL PL - 10 UH +/-5% 1 L1217 34-R100J2-0EX COIL PL - 10 UH +/-5%...
  • Page 33 Item No. Description Quantity Req. Designator Remarks 25-BCB470-M1X CAP. ELEC 47 UF 16V +/-20% 1 C1019 25-BFB339-M1X CAP. ELEC 3.3 UF 50V +/-20% 1 C1010 26-ABC339-CZX CAP. CER 3.3 PF 50V +/-0.25 SL 1 C1001 26-ABC339-CZX CAP. CER 3.3 PF 50V +/-0.25 SL 1 C1002 26-EBP103-ZFX CAP.
  • Page 34 1 R243 18-CB0820-JNX RES. C.F. 82 OHM 1/6W +/-5% 1 R914 18-CB0820-JNX RES. C.F. 82 OHM 1/6W +/-5% 1 R915 47-RCA089-XX0 RCA SOCKET AV-3.2-3LK-N2 1 P904 08-2988S6-CR1 ASS'Y - CRT BD 10-1N4148-ABX DIODE 1N4148 (SWITCHING) L501 FOR (+) TO P503(1) 10-1N4148-ABX...
  • Page 35 Item No. Description Quantity Req. Designator Remarks 18-CB0681-JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R503 18-CB0681-JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R508 18-CB0681-JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R513 18-CB0681-JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R511 18-FE0272-JNX RES.
  • Page 36 Item No. Description Quantity Req. Designator Remarks 08-2988S6-FB1 ASS'Y - FRONT CTL BD 02-IRR001-XX1 IR RECEIVER MODULE HRM380017 1 IR1001 11-C124ES-0BX TRANSISTOR PDTC124ES (NPN) 1 Q082 11-SA1015-YBX TRANSISTOR 2SA1015Y 1 Q081 14-LED05R-XX1 LED RED FB205 1 D1001 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R033A 18-CB0103-JNX RES.
  • Page 37 1 R952 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 R953 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 P961 47-SVI002-XX0 Y/C SOCKET VERTICAL TYPE 1 P951 08-B386S6-AG0 ASS'Y - AG PACKING 75-2980LL-CA1 POLYFOAM "LL"...
  • Page 38 FRONT CABINET 56-2980FB-0HA PUSH BOTTON 56-2980PK-0HA POWER KNOB 56-384400-0HC TRANSPARENCE LED 57-10654X-00F cable ties¡ ¡ (2.5mmX95mm) 58-2980SI-0UI SIDE AV INLAY (RCA & Y/C) 59-312950-000 RUBBER PAD 62-216340-0UN HOLDER POWER CORD HIPS-KINGFA 113(VO) 62-321780-0HG CRT COIL MTG 25"/29" 62-321790-0HN SPEAKER BRACKET 63-B30100-BT4 S/T SCREW B 3 X 10 BT MTG FUCTION KNOB TO MIDDLE CAB.
  • Page 39 Item No. Description Quantity Req. Designator Remarks 63-B30100-BT4 S/T SCREW B 3 X 10 BT MTG LENS TO F.CAB. 63-B30100-BT4 S/T SCREW B 3 X 10 BT MTG SIDE AV PCB & MIDDLE CAB. 63-B40150-AB4 S/T SCREW B 4 X 15 AB MTG CRT &...
  • Page 40 Item No. Description Quantity Req. Designator Remarks 18-EG0109-JHX RES. FUS. 1 OHM 2W +/-5% 1 R433 18-FF0331-JGX RES. M.O. 330 OHM 1W +/-5% 1 R309 18-RF0688-JGX RES. WIRE ROUND 0.68 OHM 1W +/-5% 1 R304 18-RG0159-JHX RES. WIRE ROUND 1.5 OHM 2W +/-5% 1 R313 25-BCB220-M1X CAP.
  • Page 41 PIN BASE *7 TJC3-7A P911 FOR SIDE AV BD 46-35184W-03X PIN BASE *3 TJC1-3A P801 FOR F. CTL BD 47-RCA023-XX1 RCA JACK 3PV YEL WHI RED/SW 1 P905 47-RCA023-XX1 RCA JACK 3PV YEL WHI RED/SW 1 P903 50-03150D-1GS1 FUSE 3.15AT 250VAC 5mmX20mm...
  • Page 42 Item No. Description Quantity Req. Designator Remarks 11-0BC337-0BX TRANSISTOR (NPN) BC337-40 1 Q1501 13-00AS12-13B IC AS1213B 1 IC1501 14-IRE05B-XX0 IR EMITTING DIODE TSAL6200 1 D1501 18-CB0221-JNX RES. C.F. 220 OHM 1/6W +/-5% 1 R1503 18-CB0229-JNX RES. C.F. 2.2 OHM 1/6W +/-5% 1 R1501 25-BCB101-M1X CAP.
  • Page 43 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 44 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 45 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 46 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...