Download
Share
Print this page
Teac CTM4828H Service Manual
  1. Manuals
  2. Brands
  3. Teac Manuals
  4. TV
  5. CTM4828H
  6. Service manual
Teac CTM4828H Service Manual

Teac CTM4828H Service Manual

48cm ctv
Hide thumbs

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
48cm CTV
Effective: MARCH 2000
CTM4828HSERV

Advertisement

loading

Related Manuals for Teac CTM4828H

Summary of Contents for Teac CTM4828H

  • Page 1 SERVICE MANUAL 48cm CTV Effective: MARCH 2000 CTM4828HSERV...

  • 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: Vertical Center 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 36 892-R63330-01 DIAL KEY PLATE - W/CCD/TXT/SYS (TOSHIBA IýC)(13 KEYS) 900-R63302-55 HANDSET TOP CAB.- MATT BLK W/ SILVER 8001C S.S.{TOSHIBA IýC} 902-R63302-03 HANDSET BOTTOM CABINET - MATT BLACK SPRAYED 1 910-R63301-0W REMOTE BATTERY DOOR - TEAC DESIGN {RC-747}{CT-M342H}(BLK) 973-R63301-00 VOLUME/CHANNEL KNOB - MOULDED BLACK FOR FBT MTG...
  • Page 37 CTM4828H PART_NO DESC QTY LOCATION FOR POWER 777-921301-00 POWER KNOB SPRING (ID=9MM,L=10MM) KNOB FOR AC LINE 810-052204-14 POLYBAG 5" X 22" X 0.04MM W/RE-CYCLING MARK {P/O MAT} CORD 810-091504-13 POLYBAG 9" X 15" X 0.04MM W/ RE-CYCLING P.E.MARK 1 FOR I/MANUAL FOR CRT 834-230801-00 RUBBER WASHER OD=23 , ID=8 , T=1.0...
  • Page 38 663-230166-99 SERIAL NO.LABEL - TEAC DESIGN CTN,1-R/L,1- WARRANTY CARD 669-820B01-08 RATING LABEL - TEAC DESIGN (CT-M4828H) 240V 670-820B00-20 I/MANUAL - TEAC DESIGN (CT-M4828H) "TOSHIBA IýC" 100P 678-820B01-04 SCREEN STICKER - TEAC DESIGN (CT-M4828H) STUCK ON 678-931301-26 I/MANUAL LABEL B - TEAC DESIGN "PAGE 7/9" OF...
  • Page 39 QTY LOCATION 800-821B14-00 POLYFOAM (B) - BOTTOM RIGHT FOR UNIT 810-404004-62 POLYBAG 40"X40"X0.04MM W/PUNCH [TEAC DESIGN (CT-M4895)] 826-302005-00 FOAM SHEET 30" X 20" X 0.5MM THK. FOR TOP UNIT 884-882025-04 JACK COVER W/VIDEO IN/AUDIO IN (FOR TOSHIBA IýC) LOW JACK...
  • Page 40 CTM4828H PART_NO DESC QTY LOCATION R109,123,122,1 113-103005-17 CARBON FILM RESISTOR 10K OHM 1/16W +-5% 51,206,432,433, R643,649,648,6 44,301,307,308, 113-103005-17 CARBON FILM RESISTOR 10K OHM 1/16W +-5% R012,015,021,0 113-103005-17 CARBON FILM RESISTOR 10K OHM 1/16W +-5% 05,006,002,661, 024,824 R803,306,305 113-103101-67 METAL FILM RESISTOR 10K OHM 1/4W +-1%...
  • Page 41 CTM4828H PART_NO DESC QTY LOCATION R622,625,823,8 113-223005-17 CARBON FILM RESISTOR 22K OHM 1/16W +-5% 113-223105-17 CARBON FILM RESISTOR 22K OHM 1/4W +-5% R424,208 113-224005-17 CARBON FILM RESISTOR 220K OHM 1/16W +-5% R304 113-229105-17 CARBON FILM RESISTOR 2.2 OHM 1/4W +-5%...
  • Page 42 CTM4828H QTY LOCATION PART_NO DESC 113-563005-17 CARBON FILM RESISTOR 56K OHM 1/16W +-5% R108,404,410 R923,924,2 FOR SPK.`-' TO 113-565210-99 CARBON COMPOSITION RESISTOR 5.6M OHM 1/2W +-10% GRILLE 113-680005-17 CARBON FILM RESISTOR 68 OHM 1/16W +-5% R178 113-681005-17 CARBON FILM RESISTOR 680 OHM 1/16W +-5%...
  • Page 43 CTM4828H PART_NO DESC QTY LOCATION C911,421 123-222850-10 CERAMIC CAP. 0.0022 MFD 2KV +-10% MATSUSHITA C602,603 123-330340-93 CERAMIC CAP. 33 PF 50V +-5% (NPO) C406,504,505,5 123-391355-60 CERAMIC CAP. 390PF 50V +-10% (SL TYPE) "CHENGDU WANGMING" 123-470340-60 CERAMIC CAP. 47 PF 50V +-5% (SL TYPE)
  • Page 44 CTM4828H QTY LOCATION PART_NO DESC C111,437,503,1 127-107042-0D ELECT CAP. 100 MFD 16V +-20% "NAM TUNG" 54,115,133,158, 610,805,001 C405 127-107062-08 ELECT CAP. 100 MFD 35V +-20% "JAMICON" 127-107132-07 ELECT. CAP. 100 MFD 160V +-20% "NICHICON" C917,918 127-107402-03 ELECT. CAP. 100 MFD 400V +-20% C906 127-225071-0D ELECT CAP.
  • Page 45 CTM4828H PART_NO DESC QTY LOCATION Q104,106,201,5 131-211015-00 TRANSISTOR 2SA1015 TOSHIBA 131-220774-20 TRANSISTOR 2SB774/Q/R/S MATSUSHITA Q902 131-231809-0A TRANSISTOR 2SC1809 ROHM Q101 Q102,103,105,2 02,504,505,506, 131-231815-0A TRANSISTOR 2SC1815 TOSHIBA 601,603,604,60 Q606,801,803,9 01,903,110,001, 131-231815-0A TRANSISTOR 2SC1815 TOSHIBA Q905 131-232230-00 NPN-TR 2SC2230A-Y (TOSHI) TO92 VCE=180V IC=.1A HFE=120-240...
  • Page 46 CTM4828H PART_NO DESC QTY LOCATION 161-470003-00 RCA JACK HYJ-032-03BY YELLOW "MING FUNG" J101 161-543505-05 CRT SOCKET ISHL-35 IN CHANG CRT FLAT BRIDED WIRE 172-620020-40 UL 1007 TOP COAT WIRE AWG 20 200MM BLACK 10 X 10 MM TO TUNER W094 TO...
  • Page 47 CTM4828H PART_NO DESC QTY LOCATION L=950MM,40M M FOR 179-105000-00 UL PVC TUBE 5mm DIA SPK.`L',550MM FOR SPK.`R' L=50MM FOR AC LINE 179-110500-00 UL PVC TUBE 11MM DIA. CORD,360MM FOR CN001 FOR FRONT AV 179-110500-00 UL PVC TUBE 11MM DIA. WIRE...
  • Page 48 CTM4828H PART_NO DESC QTY LOCATION CN001 `1' TO 191-401045-10 4 PIN L=400MM (P 1-2 GREY, P3- 4 BROWN W/S.SHIELD) #26 UL1185 FRONT AV PCB `G',`2' TO `E' `3' TO `D',`4' TO 191-401045-10 4 PIN L=400MM (P 1-2 GREY, P3- 4 BROWN W/S.SHIELD) #26 UL1185...
  • Page 49 CTM4828H PART_NO DESC QTY LOCATION A.B.C.D. ON 746-063101-01 AC LINE CORD PIN MAIN P.C.B. 750-063101-00 SOLDERING LUG LEG:8X4MM FOR Q904 FOR AC LINE CORD, 750-063102-01 35MM SOLDERING LUG OD:7 ID:3.2 LEG:4X35MM SPK.CONNECT 766-686801-00 FUSE HOLDER FOR FB901 FOR IC901 779-882001-01 IRON HEAT SINK (D)

This manual is also suitable for:

Ctm4828 h2