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Teac CTM342H Service Manual
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Teac CTM342H Service Manual

Teac CTM342H Service Manual

34 cm ctv
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SERVICE MANUAL
34 cm CTV
Effective: MAY 2000
CTM342HSERV

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Summary of Contents for Teac CTM342H

  • Page 1 SERVICE MANUAL 34 cm CTV Effective: MAY 2000 CTM342HSERV...

  • Page 2: Solid State

    SERVICE MANUAL 14" 20" 21" SOLID STATE Color Television Receiver PAL SECAM VERSION ART-TECH. TV. TOSHIBA I C IC 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 improvment of product. 5-11-99 Document : ___________ SM - 32PM...
  • Page 3 CONTENTS 1. SPECIFICATION........2. BLOCK DIAGRAM........3. ALIGMENT INSTRUCTION....... 4. VOLTAGE TABLE........5. IC601 DATA........... 6. WIRING DIAGRAM......... This manual is the tatest at the time of Printing , and does not include the moditieation Which may be made ofter the Printing, by the Constant improvement of Product.
  • Page 4 MODEL : 14" ITEMS OF MEASUREMENT STANDARD UNIT < 57 dbuv VIDEO SENS. AT S/N 30db L - VHF H - VHF < 57 dbuv < 60 dbuv SOUND SENS. AT S/N 30db < 42 dbuv L - VHF < 42 dbuv H - VHF <...
  • Page 5 MODEL : 20" - 21" ITEMS OF MEASUREMENT STANDARD UNIT < 57 dbuv VIDEO SENS. AT S/N 30db L - VHF H - VHF < 57 dbuv < 60 dbuv SOUND SENS. AT S/N 30db L - VHF < 42 dbuv H - VHF <...
  • Page 6 SPECIFICATION MODEL : 14" SUPPLY VOLTAGE : AC220V 50Hz > + 10% / -20% PAL - SECAM - PAL - SECAM - SYSTEM : PAL - BG PAL - I BG / DK PAL - BG PAL - BG PAL - I / I BG / DK SECAM - L (UK)
  • Page 7 SPECIFICATION SUPPLY VOLTAGE : AC220V 50Hz > + 10% / -20% MODEL : 20" - 21" PAL - SECAM - PAL - SECAM - SYSTEM : PAL - BG PAL - I BG / DK PAL - BG PAL - I / I BG / DK PAL - BG SECAM - L...
  • Page 8 ALIGNMENT INSTRUCTION I.PLEASE READ BEFORE ATTEMPTING SERVICE 1.Do not connect any antenna plug directly to the tuner socket and do not connect any equipments directly to the TV chassis,otherwise it may be burnt out the TV or equipment,execept an isolation transformer is used for main power source or the TV sets.

  • Page 9: Horizontal Phase Adjustment

    VI.VERTICAL S-CORRECTION ADJUSTMENT 1. Receive Cross hatch Pattern 2. Select VSC item adjust value to normal,regular picture. VERTICAL CENTER ADJUSTMENT 1. PAL (50Hz) Adjustment (1). Receive Monscope Pattern (50Hz). (2). Select VP50 item adjust value to obtain the picture at center . 2.
  • Page 10 VIII. WHITE BALANCE ALIGNMENT STEP (Deqauss the picture by deqaussing coil if necessary) 1. Disconnect the any input signal,set the blue black OFF. 2. Enter to D HODE. 3. Adjust the RCUT,GCUT,BCUT value to 80,GDRV,BDRV to 45,BRTS to CO. 4. Adjust the BRIGHT,CONT to min. 5.
  • Page 11 Model: 2 1 ¡ ª 2 1 ¡ ª 2 1 ¡ ª 2 1 ¡ ª 2 1 ¡ ª 2 2 2 2 2 Chassis: Chassis: I C technology. I C technology. Chassis: Chassis: Chassis: I C technology. I C technology.
  • Page 12 VP50 VP50 VP50 VP50 VP50 I I I I I I I I I I I I I I I VP60 VP60 VP60 VP60 VP60 I I I I I HITS HITS HITS HITS HITS I I I I I VLIN VLIN VLIN...
  • Page 13 Model: 2 1 ¡ ª 2 1 ¡ ª 2 1 ¡ ª 2 1 ¡ ª 2 1 ¡ ª 2 2 2 2 2 Chassis: Chassis: I C technology. I C technology. Chassis: Chassis: Chassis: I C technology. I C technology.
  • Page 14 I I I I I VP50 VP50 VP50 VP50 VP50 I I I I I I I I I I I I I I I VP60 VP60 VP60 VP60 VP60 I I I I I HITS HITS HITS HITS HITS I I I I I VLIN VLIN...
  • Page 15 2 0 ¡ ª 2 0 ¡ ª Model: 2 0 ¡ ª 2 0 ¡ ª 2 0 ¡ ª 2 2 2 2 2 Chassis: Chassis: Chassis: I C technology. I C technology. I C technology. Chassis: Chassis: I C technology.
  • Page 16 I I I I I VP50 VP50 VP50 VP50 VP50 I I I I I I I I I I I I I I I VP60 VP60 VP60 VP60 VP60 I I I I I HITS HITS HITS HITS HITS I I I I I VLIN VLIN...
  • Page 17 Model: 1 4 ¡ ª 1 4 ¡ ª 1 4 ¡ ª 1 4 ¡ ª 1 4 ¡ ª 2 2 2 2 2 Chassis: Chassis: I C technology. I C technology. Chassis: Chassis: Chassis: I C technology. I C technology.
  • Page 18 342.Samsung 342.Samsung 342.Samsung 342.Samsung 342.Samsung I I I I I VP50 VP50 VP50 VP50 VP50 I I I I I I I I I I I I I I I VP60 VP60 VP60 VP60 VP60 I I I I I HITS HITS HITS...
  • Page 19 1 4 ¡ ª 1 4 ¡ ª Model: 1 4 ¡ ª 1 4 ¡ ª 1 4 ¡ ª 2 2 2 2 2 Chassis: Chassis: Chassis: I C technology. I C technology. I C technology. Chassis: Chassis: I C technology.
  • Page 20 I I I I I VP50 VP50 VP50 VP50 VP50 I I I I I I I I I I I I I I I VP60 VP60 VP60 VP60 VP60 I I I I I HITS HITS HITS HITS HITS I I I I I VLIN VLIN...
  • Page 21 Model: 1 4 ¡ ª 1 4 ¡ ª 1 4 ¡ ª 1 4 ¡ ª 1 4 ¡ ª 2 2 2 2 2 Chassis: Chassis: I C technology. I C technology. Chassis: Chassis: Chassis: I C technology. I C technology.
  • Page 22 I I I I I VP50 VP50 VP50 VP50 VP50 I I I I I I I I I I I I I I I VP60 VP60 VP60 VP60 VP60 I I I I I HITS HITS HITS HITS HITS I I I I I VLIN VLIN...
  • Page 23 TB1238N Adjustment in D-Mode ¡ ´ Show the D-Mode Items information For PAL Mode Remark For NTSC RCUT RCUT R CUTOFF GCUT GCUT G CUTOFF BCUT BCTU B CUTOFF GDRV GDRV G DRIVE BDRV BDRV B DRIVE CNTX CNTX SUB CONTRAST MAX BRTC BRTC SUB BRIGHT CENTER...
  • Page 24 For NTSC For PAL Mode Remark SUB SHARP CENTER NTSC3.58 in TV SUB SHARP CENTER NTSC3.58 in VIDEO SUB SHARP CENTER other color system in TV SUB SHARP CENTER other color system in VIDEO SHPX SUB SHARPNESS MAX points from Center value SHPN SUB SHARPNESS MIN points from Center value TXCX...
  • Page 25 DATA SOUND SYSTEM BG or DK or I TABLE 3. DK . I BG . DK BG . I LOGO NO LOGO TABLE 4. TEAC ROWA LANG ENGLISH TABLE 5. ENGLISH OR FRANCAIS IF FREQ DATA TABLE 6. 39.5 38.9 38.0...
  • Page 26 14¡¨ VOLTAGE TABLE FOR TRANSISTOR (ONLY FOR REFERENCE) C (V) E (V) SYMBOL E (V) SYMBOL C (V) B (V) B (V) Q507 Q101 Q102 Q508 Q103 Q601 Q104 Q603 Q105 Q604 Q106 Q605 Q606 Q201 17.2 17.5 -0.8 Q801 Q202 15.3 Q203...
  • Page 27 FOR 20” ~ 21” VOLTAGE TABLE FOR TRANSISTOR (ONLY FOR REFERENCE) SYMBOL B (V) C (V) E (V) SYMBOL B (V) C (V) E (V) Q603 Q101 Q604 Q102 Q605 Q103 -0.8 Q606 Q104 Q901 11.9 Q105 Q902 -0.05 Q106 Q903 Q108 -2.5...
  • Page 28 VOLTAGE TABLE FOR IC ( ONLY FOR REFERENCES ) ( FOR 1P.TEXT ) SYMBOL IC101 IC302 IC601 IC801 IC802 PIN NO. NOTE : VOLTAGE ARE TAKEN UNDER TUNED CONDITION WITH SHARP Maximum Position CONTRAST Maximum Position BRIGHINESS Maximum Position COLOR Maximum Position SIGNAL INPUT 70dB +10dB...
  • Page 29 VOLTAGE TABLE FOR IC ( ONLY FOR REFERENCES ) ( FOR 1P.TEXT ) SYMBOL IC401 IC402 IC201 IC301 IC901 PIN NO. 12.2 11.2 12.7 24.4 24.3 10.4 15.3 NOTE : VOLTAGE ARE TAKEN UNDER TUNED CONDITION WITH CONTRAST Maximum Position BRIGHINESS Maximum Position COLOR...
  • Page 30 VOLTAGE TABLE FOR IC ( ONLY FOR REFERENCES ) ( FOR 1P.TEXT ) SYMBOL IC001 IC602 PIN NO. NOTE : VOLTAGE ARE TAKEN UNDER TUNED CONDITION WITH CONTRAST Maximum Position BRIGHINESS Maximum Position COLOR Maximum Position SIGNAL INPUT 70dB +10dB CHANNEL SETTING The Last Channel of UHF High SIGNAL PATTERN...
  • Page 31 Q201 202 IC201 MUTE AUDIO CIRCUIT POWER AMP SPEAKER SW101 Q203 Q101 IC101 POWER IF AMP ON/OFF FILTER Q103 FM DET J101 BUFFER VIDEO IN TUNER NTSC Q102 IC301 Q301 PROCESSOR DET OUT J102 AUDIO IN BAND SWITCH CONTROL Q104 Q105 IC601 VIF DET...
  • Page 32 Q201 202 IC201 M U T E AUDIO CIRCUIT POWER AMP SPEAKER Q203 SA101 Q101 IC101 POWER ON/OFF IF AMP FILTER Q103 FM DET J101 BUFFER VIDEO IN TUNER IC801 NTSC Q102 TELETEXT Q301 PROCESSOR J102 DET OUT DECODER IC301 AUDIO IN CONTROL Q801 Q110...

  • Page 33: Block Diagram

    Q201 202 IC201 MUTE AUDIO CIRCUIT POWER AMP SPEAKER Q203 SA101 Q101 IC101 POWER ON/OFF IF AMP FILTER Q103 FM DET J101 BUTFER VIDEO IN(1) IC001 Q001 TUNER NTSC Q102 Q301 PROCESSOR J102 DET OUT IC301 AV SWITCH AUDIO IN(1) CONTROL BAND SWITCH Q104...
  • Page 34 Q201 202 IC201 MUTE AUDIO POWER AMP CIRCUIT SPEAKER Q203 SA101 Q101 IC101 POWER IF AMP ON/OFF FILTER Q103 FM DET J101 BUFFER VIDEO IN IC001,Q001 TUNER IC801 NTSC Q102 TELETEXT Q301 PROCESSOR J102 DET OUT IC301 DECODER AV SWITCH AUDIO IN CONTROL BAND SWITCH...

  • Page 36: For Handset

    (TOSHIBA IýC)(13 KEYS) HANDSET TOP CAB.- MATT BLK W/ 900-R63302-55 SILVER 8001C S.S.{TOSHIBA IýC} HANDSET BOTTOM CABINET - 902-R63302-03 MATT BLACK SPRAYED REMOTE BATTERY DOOR - TEAC 910-R63301-0W DESIGN {RC-747}{CT-M342H}(BLK) VOLUME/CHANNEL KNOB - MOULDED BLACK 973-R63301-00 CRT 14" (SOUTHERN HEMISPHERE)
  • Page 37 DESC QTY LOCATION PART_NO SOUND BYPASS CERAMIC FILTER 5.5MHZ WEI HAW 1 CF101 107-305500-16 SAW FILTER TSF-5316 SANYO 1 SAW101 107-738916-00 CARBON FILM RESISTOR 1K OHM 113-102005-17 1/16W +-5% 1 R159 METAL FILM RESISTOR 10K OHM 113-103101-67 1/4W +-1% 2 R306,305 CARBON FILM RESISTOR 150 OHM 113-151105-17 1/4W +-5%...
  • Page 38 191-200044-10 2 PIN SOCKET ASS'Y L=440MM SPK. `-' SELF-TAPPING SCREW 3 X 8 W/B/T 515-303408-10 (HARDEN) 1 FOR SPK. WIRE GIFT BOX - TEAC DESIGN {CT- 610-931301-88 M342H} W/O HANDLE 2PC R/L SIDES CTN,1PC ON R/LABEL,1PC 663-230164-99 SERIAL NO.LABEL - TEAC DESIGN...
  • Page 39 W/SINGLE SPEAKER {181 TUNER} 917-931301-00 REMOTE LENS (A-A) TRANSLUCENT PRESET DOOR (A-A) -TEAC DESIGN 919-931302-40 {CT-M342H} METALLIC GREY 8403C FRONT PANEL (A-B) (PAL) - TEAC 930-931302-14 DESIGN METALLIC GREY (8403C) 1 FOR REAR CAB. 986-931301-06 NAME PLATE - TEAC DESIGN...
  • Page 40 DESC QTY LOCATION PART_NO R124,146,145,401,4 CARBON FILM RESISTOR 1K OHM 02,601,606,607,646, 1/16W +-5% 311,303 113-102005-17 CARBON FILM RESISTOR 1K OHM R614,615,633,634,6 113-102005-17 1/16W +-5% 35,636,637,638 CARBON FILM RESISTOR 1K OHM 113-102005-17 1/16W +-5% 3 R808,320,806 CARBON FILM RESISTOR 1K OHM 113-102105-17 1/4W +-5% 2 R525,156...
  • Page 41 DESC QTY LOCATION PART_NO CARBON FILM RESISTOR 120K OHM 1/16W +-5% 2 R112,413 113-124005-17 CARBON FILM RESISTOR 15 OHM 113-150105-17 1/4W +-5% 1 R521 CARBON FILM RESISTOR 150 OHM 113-151005-17 1/16W +-5% 1 R412 METAL OXIDE FILM RESISTOR 150 113-151405-75 OHM 2W +-5% 1 R160 CARBON FILM RESISTOR 1.5K OHM...
  • Page 42 DESC QTY LOCATION PART_NO METAL OXIDE FILM RESISTOR 27 OHM 2W +-5% 1 R913 113-270405-75 CARBON FILM RESISTOR 270 OHM R121,164,165,166,1 113-271005-17 1/16 W +-5% CARBON FILM RESISTOR 270 OHM 113-271105-17 1/4W +-5% 3 R603,604,155 CARBON FILM RESISTOR 2.7K OHM 113-272005-17 1/16W +-5% 2 R147,655...
  • Page 43 DESC QTY LOCATION PART_NO CARBON FILM RESISTOR 470 OHM 1/16W +-5% 3 R105,125,812 113-471005-17 CARBON FILM RESISTOR 470 OHM 113-471205-12 1/2W +-5% 1 R408 CARBON FILM RESISTOR 4.7K OHM 113-472005-17 1/16W +-5% 1 R302 CARBON FILM RESISTOR 4.7K OHM 113-472105-17 1/4W +-5% 4 R520,911,631,632 CARBON FILM RESISTOR 47K OHM...
  • Page 44 DESC QTY LOCATION PART_NO FUSING RESISTOR 0.68 OHM 1W +- 2 R422,929 113-688305-42 CARBON FILM RESISTOR 75 OHM 1/16W +-5% 1 R136 113-750005-17 CARBON FILM RESISTOR 82 OHM 113-820005-17 1/16W +-5% 2 R101,435 CARBON FILM RESISTOR 820 OHM 113-821005-17 1/16W +-5% 1 R169 CARBON FILM RESISTOR 820 OHM R508,509,510,511,5...
  • Page 45 DESC QTY LOCATION PART_NO CERAMIC CAP. 390PF 50V +-10% (SL TYPE) "CHENGDU WANGMING" 3 C504,505,506 123-391355-60 CERAMIC CAP. 47 PF 50V +-5% (SL 2 C142,143 123-470340-60 CERAMIC CAP. 470 PF 2KV +-10% 123-471850-10 MATSUSHITA 1 C420 CERAMIC CAP. 0.0047 MFD 500V +- 123-472552-90 10% (B TYPE) SMALL SIZE 3 C903,904,905...
  • Page 46 DESC QTY LOCATION PART_NO ELECT CAP. 10 MFD 100V +-20% 105øC "NANTONG" 1 C909 127-106104-0D ELECT CAP. 10 MFD 250V +-20% 127-106252-08 "JAMICON" 1 C424 ELECT CAP. 100 MFD 16V +-20% C111,437,503,154,1 127-107042-0D "NAM TUNG" 15,133,158,610,805 ELECT CAP. 100 MFD 35V +-20% 127-107062-08 "JAMICON"...
  • Page 47 DESC QTY LOCATION PART_NO D805,806,807,808,3 SILICON DIODE IN4148 01,302,809 130-134148-01 RECTIFIER DIODE RU2 SANKEN 1 D405 130-310012-00 130-310033-50 DIODE BYD33D 1 D910 130-310095-50 DIODE BYW95B 1 D911 130-310133-50 DIODE BYD33J 3 D907,908,909 130-311441-64 BRIDGE RECTIFIER 1J4B41 1 D901 D401,402,404,406,9 130-315295-00 RECTIFIER DIODE S5295G TOSHIBA 12,913,914 130-410039-01...
  • Page 48 DESC QTY LOCATION PART_NO I.C. TMP87CM38KS-3663 W/CCD & TXT TOSHIBA 1 IC601 133-328738-14 REMOTE RECEIVER GP1U281R 136-501281-00 "SHARP-ROXY" 1 OPT601 137-270000-30 CRYSTAL 27 MHZ HOORAY 1 X801 137-443618-20 CRYSTAL 4.43 MHz "TEC" 1 X101 137-800000-20 CRYSTAL 8.0 MHZ KITRONICS 1 X601 S601,602,603,604,6 146-100002-13 TACT SWITCH KSM0634A HDK...
  • Page 49 DESC QTY LOCATION PART_NO CRT P.C.B. (190698) (NARROW 190-931305-00 MAIN P.C.B. (050799)REV4 190-931329-P1 1 PIN SOCKET ASS'Y L=220MM CRT GND TO 191-100034-10 (DOUBLE INSOLATION) BLACK CN501 1 PIN DOUBLE INSOLATION WIRE FROM CN901 TO 191-101016-10 AWG 18 L=340MM BLUE `A' ON MAIN P.C.B. 1 PIN DOUBLE INSOLATION WIRE FROM CN902 TO 191-101017-10...
  • Page 50 DESC QTY LOCATION PART_NO FELT L240 X W17 X T0.5MM W/TAPE 4 FRO REAR CAB. 622-882802-00 FIBER (FOR SHIELD PLATE) (SAMSUNG TUNER) 631-932001-00 728-931302-00 SENSOR P.C.B. SUPPORT 2 FOR SNESON PCB SPRING FOR C.R.T. MOUNTING 5.2 744-881301-00 X 42 X 0.6MM TEST PIN:TOTAL LENGTH 18.6mm TP101 ON MAIN 746-063101-00...
  • Page 51 DESC QTY LOCATION PART_NO FOR POWER POWER KNOB ADAPTOR SWITCH 939-942101-00 DEGAUSSING COIL MTG. CLIP 948-881302-00 954-882804-00 HIGH VOLTAGE CABLE SPACER 1 FOR FLYBACK 954-931301-00 STUD POST BLACK ABS 4 FOR FRONT CAB.