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Teac CT-M3442H Service Manual
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Teac CT-M3442H Service Manual

Teac CT-M3442H Service Manual

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SERVICE MANUAL

1. Caution.....................................................................2
2. Specification...............................................................6
3. BOM List ..........................................................................9
4. Alignment Procedure....................................................28
5. Block Diagram............................................................35
6. Schematic Diagram......................................................36
7. PCB Layout................................................................37
8. Exploded View Diagram ................................................38
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.
TEAC
CT-M3442H

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Summary of Contents for Teac CT-M3442H

  • Page 1: Service Manual

    TEAC SERVICE MANUAL CT-M3442H 1. Caution……………………………………………………………2 2. Specification………………………………………………………6 3. BOM List ……………………………………........9 4. Alignment Procedure………………………………………….…28 5. Block Diagram……………………………………………………35 6. Schematic Diagram………………………………………………36 7. PCB Layout………….……………………………………………37 8. Exploded View Diagram …………………………………………38 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 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:2003-8-1 9:16 ProductView..: Product: Report by....: CT-M3442H Specs / Products MasterData TEAC AUSTRALIA PTY LTD Customer Id Version Status TEAC Brand Reception +Tuning - presets/channels +Tuning - technology +Tuning - Indication UVSH +Freq Bands +Channels +IF Freq...
  • Page 7 Date:2003-8-1 9:16 ProductView..: Product: Report by....: CT-M3442H Specs / Products Channel +-, Volume +-, +Local Controls Front TV/AV,MENU, Power Switch, +Local Controls Top +Indicators - screen RC Recvd LED, SB LED +Indicators - front +Numb of Loc Cont (incl Mains) +Number of Ind.
  • Page 8 Date:2003-8-1 9:16 ProductView..: Product: Report by....: CT-M3442H Specs / Products Less then 3W Power Consumption SB in Watts Power Consumption Semi SB in W +Power in "ON" for +Power in Standby for +Power in "OFF" for Weight (P)TV (incl. Packaging) Weight (P)TV (excl.
  • Page 9 Item No. Description Quantity Req. Designator Remarks 08-01427H-CRY ASS'Y - CRT BD 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 D502 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 D501 11-SA1015-YBX TRANSISTOR 2SA1015Y 1 Q510 11-SC2482-0BX TRANSISTOR 2SC2482 1 Q501 11-SC2482-0BX TRANSISTOR 2SC2482 1 Q502 11-SC2482-0BX TRANSISTOR 2SC2482 1 Q503 18-CB0101-JNX...
  • Page 10 Item No. Description Quantity Req. Designator Remarks 26-EBP221-JCX CAP. CER 220PF 50V +/-5% CH 1 C510 26-EBP221-JCX CAP. CER 220PF 50V +/-5% CH 1 C511 26-EBP221-JCX CAP. CER 220PF 50V +/-5% CH 1 C512 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J501 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 J502...
  • Page 11 Item No. Description Quantity Req. Designator Remarks 20-TR103H-5CX TRIMMER B10K HORIZ TYPE 1 VR830 22-NTC479-XX0 NTC 4.7 OHM +/-18% NTC4.7D2-14 1 RT802 25-BJG101-M1X CAP. ELEC 100 UF 160V +/-20% 1 C835 26-ABC221-JZX CAP. CER 220 PF 50V +/-5% SL 1 C841 26-AGK221-KRX CAP.
  • Page 12 Item No. Description Quantity Req. Designator Remarks 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 J822 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 J827 41-WJ0105-B00 WIRE BARE JUMPER 10.5MM 1 J824 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM 1 J823 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 J804 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM...
  • Page 13 Item No. Description Quantity Req. Designator Remarks 10-79C8V2-DBX DIODE ZENER 8V2 1/2W 5% 1 D839 10-HS16VC-DBX DIODE 500mW 16HSC 1 D838 51-JC0243-0CH01 POWER CORD SAA PLUG W/HOUSING 50-02000D-1GS1 FUSE 2.0AT 250VAC 5mmX20mm 1 F801 25-BCA102-M1X CAP. ELEC 1000 UF 16V +/-20% 1 C849 25-BCB471-M1X CAP.
  • Page 14 Item No. Description Quantity Req. Designator Remarks 36-DEG140-AX0 DEGAUSSING COIL 1080+20MM 42-D7616C-XX0 SPEAKER 16 OHM 3W 1 W601 42-D7616C-XX0 SPEAKER 16 OHM 3W 1 W602 44-14OFLS-IR2A CRT 37SX110Y22-DC05(AUST) 1 CRT01 46-13902H-02X HS 2P 2468#22 360 S11-2Y/7mm P601H FOR M. BD P601 46-27250H-02X HS 2P24 450/5 F/W TJC3-02H P602H FOR M.
  • Page 15 Item No. Description Quantity Req. Designator Remarks 58-1419RI-9UI INLAY REAR AV 62-301490-0UN SUPPORTER (FOR FBT) FOR FBT 62-357080-0UN ATTACHMENT RAIL 63-B40200-AB2 S/T SCREW B 4 X 20 AB MTG FRONT & REAR CABINET 63-F30100-BT3 S/T SCREW F 3 X 10 BT (BLACK) MTG RCA JACK &...
  • Page 16 Item No. Description Quantity Req. Designator Remarks 11-SC2482-0BX TRANSISTOR 2SC2482 1 Q401 11-SC3779-DBX TRANSISTOR 2SC3779D (RF AMPL) 1 Q101 13-000040-66P IC 4066 (ANALOG SW.) 1 IC603 13-00M24C-08P IC EEPROM 8K M24C08 1 IC001 13-LA7840-00S IC LA7840 1 IC301 13-TDA705-7AS IC TDA7057AQ (R/L AUDIO O/P) 1 IC601 14-LED05R-XX1 LED RED FB205...
  • Page 17 Item No. Description Quantity Req. Designator Remarks 18-CB0122-JNX RES. C.F. 1.2k OHM 1/6W +/-5% 1 R010 18-CB0123-JNX RES. C.F. 12k OHM 1/6W +/-5% 1 R212 18-CB0151-JNX RES. C.F. 150 OHM 1/6W +/-5% 1 R217 18-CB0151-JNX RES. C.F. 150 OHM 1/6W +/-5% 1 R115 18-CB0151-JNX RES.
  • Page 18 Item No. Description Quantity Req. Designator Remarks 18-CB0432-JNX RES. C.F. 4.3K OHM 1/6W +/-5% 1 R025 18-CB0470-JNX RES. C.F. 47 OHM 1/6W +/-5% 1 R002 18-CB0470-JNX RES. C.F. 47 OHM 1/6W +/-5% 1 R018 18-CB0471-JNX RES. C.F. 470 OHM 1/6W +/-5% 1 R119 18-CB0471-JNX RES.
  • Page 19 Item No. Description Quantity Req. Designator Remarks 18-EF0109-JGX RES. FUS. 1 OHM 1W +/-5% (LS) 1 R403 18-EF0109-JGX RES. FUS. 1 OHM 1W +/-5% (LS) 1 R405 18-EF0109-JGX RES. FUS. 1 OHM 1W +/-5% (LS) 1 R418 18-FF0103-JGX RES. M.O. 10k OHM 1W +/-5% 1 R410 18-FF0122-JGX RES.
  • Page 20 Item No. Description Quantity Req. Designator Remarks 25-BEA471-M1X CAP. ELEC 470 UF 35V +/-20% 1 C413 25-BEB101-M1X CAP. ELEC 100 UF 35V +/-20% 1 C303 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% 1 C208 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% 1 C622 25-BFB109-M1X CAP.
  • Page 21 Item No. Description Quantity Req. Designator Remarks 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C228 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C230 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C233 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C425 26-EBP103-ZFX CAP.
  • Page 22 Item No. Description Quantity Req. Designator Remarks 27-PBC822-J0X CAP. P.E 0.0082UF 63V +/-5% 1 C235 34-A109K0-1IX COIL CHOKE 1 UH +/-10% 1 L103 34-R100J2-0EX COIL PL - 10 UH +/-5% 1 L002 34-R120J2-0EX COIL PL - 12 UH +/-5% 1 L204 34-R220J2-0EX COIL PL - 22 UH +/-5% 1 L208...
  • Page 23 Item No. Description Quantity Req. Designator Remarks 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 R021A 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 R200 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 R917 41-WJ0065-B00 WIRE BARE JUMPER 6.5MM 1 J011 41-WJ0065-B00 WIRE BARE JUMPER 6.5MM 1 J208 41-WJ0065-B00 WIRE BARE JUMPER 6.5MM...
  • Page 24 Item No. Description Quantity Req. Designator Remarks 41-WJ0105-B00 WIRE BARE JUMPER 10.5MM 1 J212 41-WJ0105-B00 WIRE BARE JUMPER 10.5MM 1 J223 41-WJ0105-B00 WIRE BARE JUMPER 10.5MM 1 J224 41-WJ0110-B00 WIRE BARE JUMPER 11MM 1 J009 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM 1 J604 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM...
  • Page 25 Item No. Description Quantity Req. Designator Remarks 47-RCA035-XX0 RCA JACK AV-3.2-6W-K 1 P901 48-TAC002-XX0 TACT SWITCH 1 S001 48-TAC002-XX0 TACT SWITCH 1 S002 48-TAC002-XX0 TACT SWITCH 1 S003 48-TAC002-XX0 TACT SWITCH 1 S004 48-TAC002-XX0 TACT SWITCH 1 S005 48-TAC002-XX0 TACT SWITCH 1 S006 62-227680-0UA BRACKET ABS-KINGFA 606 (UO)
  • Page 26 Item No. Description Quantity Req. Designator Remarks 18-CB0472-JNX RES. C.F. 4.7k OHM 1/6W +/-5% 1 R011 18-CB0333-JNX RES. C.F. 33K OHM 1/6W +/-5% 1 R232 27-AGQ394-JSX CAP. M.PP 0.39UF 250VAC +/-5% 1 C421 41-WJ0050-B00 WIRE BARE JUMPER 5MM 1 L209 18-CB0102-JNX RES.
  • Page 27 Item No. Description Quantity Req. Designator Remarks 14-IRE05B-XX0 IR EMITTING DIODE TSAL6200 1 D1501 18-CB0221-JNX RES. C.F. 220 OHM 1/6W +/-5% 1 R1502 18-CB0229-JNX RES. C.F. 2.2 OHM 1/6W +/-5% 1 R1501 25-HBB479-M1X CAP. ELEC 4.7 UF 10V +/-20% 1 C1502 26-EBP101-JCX CAP.
  • Page 28 Flowchart chart of alignment procedure for M28 chassis: B+ adjustment NICAM Electrical RF AGC Adjustment properties adjustment checking for chassis Sub-brightness White balance Aging Adjustment of Sub-color & Adjustment Adjustment screen voltage Sub-tint and focus adjustment Pincushion and Screen center Screen center QC checking screen width...
  • Page 29 IV) Adjustment of Sub-contrast, Sub-tint and Sub-colour for NSTC and PAL signal. 1. Enter D-mode, and connect the probe of Oscilloscope to the conjunction between R201 and P201 (B-out). 2. Apply the Grey-scale/Colour-bar (NTSC signal) to the AV input, in STANDARD status. 3.
  • Page 30 VIII) Adjustment of Picture Geometry (PAL) 1. Apply the crosshatch pattern (PAL signal) to the RF input, in STANDARD status. 2. Select HPOS to adjust the Horizontal center. 3. Select VP50 to adjust the Vertical center. 4. Select HIT to adjust the Vertical amplitude. 5.

  • Page 31: Sub Contrast

    ITEM Description Initial GROUP1 KEY 0 R CUT OFF G CUT OFF B CUT OFF G DRIVE B DRIVE GROUP2 KEY 1 HPOS/ Horizontal Position 50HZ Horizontal Position 60HZ HIT/ Hight 50Hz HITS hight 60 hz VP50 Vertical Position 50Hz VP60 Vertical Position 60HZ VLIN...

  • Page 32: Option Data

    SHPN SHARP MIN.(difference from center) GROUP 6 KEY 6 OPTION DATA 0 D mode key 0: No use 1 :use 1 0:normal 1: mute sound when no sync in TV 2 0:NORMAL 1: mute video during change channle 3 au gain 0:50khz 1: 25khz 4 when no sync 1: AFT 0: no AFT 5 AV change 1: mute 0: no mute sound 6 Korea PAL50 BLINK function 1:enable 0:disable...
  • Page 33 3 M system enable 4 VIDEO2 enable 5 video3 enable 6 YUV enable 7 Thailand Dual language 0:Disable 1:Enable MUTT standby -->wake time STAT contrast up timer afer standy off GROUP 7 KEY 7 RF AGC RF AGC SECAM B-Y BLACK ADJUST SECAM R-Y BLACK ADJUST BRTS SUB BRIGHT shift data of BRTC...
  • Page 34 0~3 Y GAMMA BLACK STRETCH 4~5 OSD LEVEL V AGC SELECT 0 V AGC reference, 0:depends on YC Vcc 1:Depends on integrated regulator GROUP 14 KEY NOTE-BOOK OSD Horizontal Position(volume bar, Picture bar,Half OSD1 blue panel OSD) OSD PLL DATA(volume bar, Picture bar,Half blue panel OSDF1 OSD) OSD2...
  • Page 35 M117 Block Diagram By ZSM 2001/12/20 Q801 T803 220V~ D801—D804 IC801 AMP. Transformer Q501 Q503 R/G/B Q505 AMP. R/G/B V. AMP. V.out IC301 TMPA8821 Tuner IF AMP FOCUS IC201 TU101 Q101 Z101 SCREEN H.out H.drive AMP. Q401 Q402 IC001 T402 220V,24V 6.3V IC603...