Teac-CT-M3440-Service-Manual电路原理图.pdf

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1、 SERVICE MANUAL CTM3440 34CM CTV Effective: JULY02 CTM3440SERV RadioFans.CN 收音机爱 好者资料库 Ver1.2 1 December 2001 1 ? B+ adjustment VCO & AFT Alignment NICAM Adjustment Electrical properties checking for chassis RF AGC adjustment Sub-brightness Adjustment White balance Adjustment Aging Adjustment of scr

2、een voltage and focus Sub-color & Sub-tint adjustment Pincushion and screen width adjustment Screen center & size adjustment (PAL) Screen center & size adjustment (NTSC) QC checking ? !#?$%!?!?#&? ? Enter D-Mode by pressing D-Mode ON/OFF key, and then you can enter the D-mode. ? Enter S-Mode by pres

3、sing VOLUME DOWN key on the unit until the volume decrease to minimum level, then press the DISPLAY key on the remote handset (dont release the volume key) and you can enter S- mode. After enter D-mode or S-mode, you can adjust the setting according to the following procedure, Press “1” to enter the

4、 white balance alignment menu, ? ? ? ? ? ? Press “2” to enter picture geometry alignment menu for PAL system, ? ? !? ? ?!#?$?%? ?&? ? ? ? ? Press “3” to enter picture geometry alignment menu for NTSC system, ? ?#? !? ?#?$? ?!#?#?$?%? ?#?&? ?#? ?#? ? ? RadioFans.CN 收音机爱 好者资料库 Ver1.2 1 December 2001 2

5、 Press “4” to enter sharpness setting menu, ? ? ?(?50% sharpness in 3.58 system (TV)?)? ? ?(?50% sharpness in 3.58 system (AV)?*? ? ?+?50% sharpness in 4.43 system (TV)?*? ? ?+?50% sharpness in 4.43 system (AV)?*? ? ?,?Maximum sharpness?(-? ? ?#?Minimum sharpness?*? ? Press “5” to enter sound alignm

6、ent menu, ? #!.?#!?.?/? ?*?0$?1-.2?/? ?)?30?0$?1-.2?/? ?!-?%?$?4$?(? ?#?%?3? Press “6” to enter AGC and volume setting, ? ?-?3?)? ?-?HAFC setting.? ?&?&5?6?%?7?8? ?&?&5?6?%?7? ?*?Volume output level at 1%? ?)?Volume output level at 25%?*9? ?Volume output level at 50%?(*? Press “7” to enter system se

7、tting, ? ?.?System setting?9? ?.*?System setting? ?.)?System setting?+? .?System setting? .?*?System setting?()? .?)?System setting?-? ?!?#?System setting?+? Press “8” to enter picture alignment menu 1,? ? SCNT?Sub contrast for luminance signal? CNTX?Maximum contrast?(-? CNTN?Minimum contrast?9? BRT

8、X?Maximum brightness?(9? BRTN?Minimum brightness?*9? COLX?Maximum color?/-? COLN?Minimum color? Press “9” to enter picture alignment menu 2,? ? CNTC?50% contrast?)? BRTC?50% brightness?(9? COLC?50% color?+? TNTC?50% tint?+? COLP?Color level for PAL? COLS?Color level for SECAM?+? BRTS?Sub brightness

9、for SECAM? Ver1.2 1 December 2001 3 Press “0” to enter OSD setting menu,? ? OSD?Horizontal position of OSD?:? TXCX?OSD intensity when maximum contrast?(? RGCN?OSD intensity when minimum contrast? TNTX?Maximum tint level?/-? TNTN?Minimum tint level?/-? ? ? ? 1. Apply 110-240VAC(5V) to mains power inp

10、ut, and Philips standard testing pattern to RF input. 2. Adjust VR801 in STANDARD mode until voltage at TP2 (B+) is 112V 0.5V. ? ? 1. Apply a 38.9MHz signal to the IF input. 2. Monitor the DC voltage at pin 48 of IC201. 3. Adjust T201 until the voltage at pin 48 of IC201 becomes 4.62 +/- 0.2V (the p

11、icture must stable). 4. Enter D-mode and press the AFT (update/BBE) button. It will start Auto AFT Adjustment and the screen will show “PIFAFT OK” if the process is finished. ? ? 1. Apply a 38.9MHz color bar with NICAM signal to the IF input. 2. Monitor the DC voltage at pin 15 of IC1101. 3. Adjust

12、T1101 until the voltage at pin 15 of IC1101 becomes 2.5 +/- 0.1V. 4. Then check the waveform at pin 4 and 6 of P1103 and it must show correct audio signal. ? ?!? ? 1. Connect the detector shown below to collector of Q101. 2. Receive a grey scale signal with 70dB?V amplitude. 3. Adjust RFAGC item unt

13、il the output of the detector becomes 0.8Vpp ? ? ? ? ? ? ? ? ? ? ? Collector of Q101 To CRO Ver1.2 1 December 2001 4 ?#?$%&?#?$%? ?#?$%&?#?(?)? ?*? 1. Enter D-mode, and connect the probe of Oscilloscope to the conjunction between R217 and P201 (B-out). 2. Apply the Grey-scale/Colour-bar (NTSC signal

14、) to the AV input, in STANDARD status. 3. Select CNTC to adjust the sub-contrast, until that the amplitude “A” is 2.5V ?as shown below. 4. Select COLC to adjust the sub-colour by tuning the amplitude of “a” and “d” to the same. 5. Select TNTC to adjust the sub-tint by tuning the amplitude of “b” and

15、 “c” to the same. 6. Apply the Grey-scale/Colour-bar (PAL signal) to the AV input, in STANDARD status. 7. Select COLP to adjust the sub-colour by tuning the amplitude of “a”, “b”, “c” and “d” to the same. ? ? ?&?#&?#?$%$? ? ? 1. Receive a crosshatch pattern. 2. Adjust the “FOCUS” VR on the flyback t

16、he make the picture clear. 3. Enter D-mode and press “1-” key and the screen will become a horizontal line. Then adjust the “SCREEN” VR on the flyback transformer to set the intensity of the line to a minimum visible level (the line can just be seen). 4. Press “1-” key again and the TV will become f

17、ull raster. 5. Select BRTC to adjust the sub-brightness, until that the 2? dark bar of 8 level grey scales just can be seen. ? ?+? ?$?&? ? 1. Receive a black and white pattern at STANDARD status. 2. Use a color analyzer to measure the black side of the screen. By changing the value of BCUT and GCUT,

18、 set the reading of the color analyzer to x=284, y=299. 3. Then measure the white side of the screen. By changing the value of BDRV and GDRV, set the reading of the color analyzer to x=284, y=299. 4. Repeat step 2&3 until you can get the correct reading for both black and white sides. ? ?( ?&? ?( &?

19、+ ?,? 1. Receive a crosshatch pattern. 2. Adjust VR302 until the vertical line become straight. 3. Adjust VR303 for horizontal size. ? a b c d Ver1.2 1 December 2001 5 ?-?( &?(?)? 1. Apply the crosshatch pattern (PAL signal) to the RF input, in STANDARD status. 2. Select HPOS50 to adjust the Horizon

20、tal center. 3. Select VPOS50 to adjust the Vertical center. 4. Select HIGH50 to adjust the Vertical amplitude. 5. Select VLIN50 to adjust the vertical linearity. 6. Select VSC50 to adjust the vertical S-correction. -?( &?#? 1. Apply the crosshatch pattern (NTSC signal) to the RF input, in STANDARD s

21、tatus. 2. Select HPOS60 to adjust the Horizontal center. 3. Select VPOS60 to adjust the Vertical center. 4. Select HIGH60 to adjust the Vertical amplitude. 5. Select VLIN60 to adjust the vertical linearity. 6. Select VSC60 to adjust the vertical S-correction. -?#.?,? ? ? ? 1. Enter D-mode and press

22、key “0”, then choose OSD item and adjust the OSD horizontal position. 2. Enter D-mode and press key “2”, then choose the OSDV50 item and adjust the OSD horizontal position. 3. Enter D-mode and press key “3”, then choose the OSDV60 item and adjust the OSD horizontal position. Ver1.2 1 December 2001 6

23、 ? VCDM0 (default value: 68) BIT Item 0 System switch: 0 : normal identify mode 1 : weak signal identify mode 1 White peak suppress: 0: on 1: off 2,3 ABL gain 00: -0.74v 01: -0.64v 10: -0.37v 11: -0.12v 4,5 ABL start point 00: -0.01v 01: -0.11v 10: -0.3v 11: -0.45v 6 CW-SW: TB1238N, pin 29 Fsc CW ou

24、tput 0 : AUTO, 1 : 4.43M 7 In force system mode, the status of color killer when weak signal 0: on 1: off VCDM1 (default value: 00) BIT Item 0 Blanking: 0: on 1: off 1,2,3,4,5 V-Mute timing: = 200ms + 8ms ?Data 6 Base band filter in NTSC system: 0: on, 1: off 7 VMOD VCDM2 (default value: 40 for 38MH

25、z IF, 30 for 38.9MHz IF) BIT Item 0 AFT-mute: 0: on 1: off 1 SECAM-ADJ: 0: SECAM correction off 1: SECAM correction on 2 TB1238N_VMOD 3 PIF VCO ADJ 0: follow bit 0 1: manual adjust 6,5,4 IF frequency: 111: 33.9MHz 110: 33.95MHz 101: 34.47MHz 100: 38MHz 011: 38.9MHz 010: 39.5MHz 001: 45.75MHz 000: 58

26、.75MHz 7 No use MODE0 BIT Item 0 0: normal AV 1: SCART 1 0: English 1: English + Chinese 2 Low Noise Amp. at tuner: 0: off 1: on 3 No use 4, 5, 6, 7 Muting time when power on: 8ms ? Ver1.2 1 December 2001 7 MODE1 BIT Item 0 Logo: 0: disable 1: TCL Logo 1 No. of channel: 0: 49 1: 99 2 No use 3 Menu b

27、ackground 0: disable 1: black background 4 No. of AV 0: 1 1: 2 5 SECAM 0: off 1: on 6 D-mode 0: enable 1: disable 7 No use MODE2 BIT Item 0 Teletext 0: off 1: on 1 NICAM & IGR 0: off 1: on 2 No use 3 No use 4 BG : 0 : off 1 : on 5 I : 0 : off 1 : on 6 DK : 0 : off 1 : on 7 M : 0 : off 1 : on OPTION

28、(default value: 04) BIT Item 0 When blue background off (mute pin of CPU): 0: audio mute on 1: audio mute off 1 When blue background off (external mute pin of CPU): 0: audio mute on 1: audio mute off 2 When change channel: 0: picture mute off 1: picture mute on 3 Audio demodulation gain setting: 0:

29、50KHz 1: 25KHz 4 When no signal: 0: search channel by changing VT 1: use memorized VT 5 Power on mode: 0: previous 1: force standby 6 No use 7 No use PART CODEDESC QTY LOCATION 08-01436U-CRYASSY - CRT BD 10-1N4148-ABXDIODE 1N4148 (SWITCHING)2D501, D502 11-0BF422-0BXTRANSISTOR BF4223Q501, Q503, Q505

30、11-A562TM-0BXTRANSISTOR 2SA562TM-01Q507 11-SC1815-YBXTRANSISTOR 2SC1815Y3Q502, Q504, Q506 18-CB0102-JNXRES. C.F. 1K OHM 1/6W +/-5%1R515 18-CB0272-JNXRES. C.F. 2.7K OHM 1/6W +/-5%1R514 18-CB0561-JNXRES. C.F. 560 OHM 1/6W +/-5%6R501, R503, R505, R508, R510, R513 18-CB0681-JNXRES. C.F. 680 OHM 1/6W +/-

31、5%5R502, R506, R509, R511, R522 18-FE0272-JNXRES. M.O. 2.7K OHM 1/2W +/-5%3R519, R520, R521 18-FG0123-JHXRES. M.O. 12K OHM 2W +/-5%3R516, R517, R518 25-BCB471-M1XCAP. ELEC 470 UF 16V +/-20%1C506 25-BLA100-M1XCAP. ELEC 10 UF 250V +/-20%1C504 26-AMK102-KRXCAP. CER 1000 PF 2KV +/-10% R1C505 26-EBP102-K

32、BXCAP. CER 1000 PF 50V +/-10% B2C508, C509 26-EBP471-JCXCAP. CER 470 PF 50V +/-5% CH3C501, C502, C503 34-R100K2-1CXCOIL CHOKE 10 UH +/-10%1L502 35-139730-00XFERR. BEAD BF602FOR C508 (L505 & L506) 40-291210-0AEP.C.B. CRT BD1 41-WJ0050-B00WIRE BARE JUMPER 5MM3L501, L503, L504 41-WJ0060-B00WIRE BARE JU

33、MPER 6MM4J501, R504, R507, R512 46-10967W-01XPIN BASE *1 TJC1-1A1FOR CRT GROUNDING 46-33624H-04XHS 4P24 280 F/W TJC3-4Y/SCN-4Y1P502, FOR M. BD P402 46-33630H-05XHS 5P24 280 F/W TJC3-5Y/SCN-5Y1P503, FOR M. BD P201 47-108112-0UXSOCKET CRT 12P GZS12-4-21S501 40-1419UA-AVAP.C.B. AV BD1 46-31530H-06XHS 6

34、P24 F/W 300 TJC3/JC25-6Y1P1104B, FOR M. BD P904 47-RCA002-XX0JACK RCA AV-3.2-1L-F3 WHITE1P1102 47-RCA003-XX0JACK RCA AV-3.2-1L-F1 YELLOW1P1101 47-RCA017-XX0JACK RCA 101P RED/SW1P1103 63-B26080-AB4S/T SCREW B 2.8 X 8 AB2MTG F. AV BD TO F.CAB. 02-GND014-XX0ASSY-CRT GND WIRE & HOUS.(14)1FOR CRT GROUNDI

35、NG 36-200580-019DEGAUSSING COIL JXC-40-1080-141 42-D7616A-XX0SPEAKER (76MM) 16 OHM 1.5W2W601, W602 44-14OFLS-IR2ACRT 37SX110Y22-DC05 SH/AU1CRT01 46-20600H-04XHS 4P A/B 360/13 RBGW TJC1-4Y1P401H, FOR D.Y COIL 46-27250H-02XHS 2P24 450/5 F/W TJC3-2Y1P602H, FOR M. BD P602 46-37144H-02XHS 2P24 450/5 F/W

36、S11-02H1P601H, FOR M. BD P601 54-113971-0UEPVC TUBE #6 L=160MM2FOR SPK HOUS. 54-114000-00XFELT TAPE 150X19MM2 54-205140-000SPACER CRT MOUNTING T=2MM4STICK ON F.CAB 55-1419FC-0ANFRONT CABINET (94V-0 100%)1 55-1419FP-0HAFRONT PANEL1 56-1419FB-0HAPUSH BUTTON1 56-1419PK-0HAPOWER KNOB1 56-1419SL-0HASPEAK

37、ER GRILLE L1 56-1419SR-0HASPEAKER GRILLE R1 56-357310-0HCLENS1 58-1419FI-0UIINLAY FRONT AV1 59-130460-00XRUBBER PAD (25MMX7MM)2STICK ON F.CAB. (FOOTING) 59-130460-00XRUBBER PAD (25MMX7MM)2STICK ON SPK (R/L) & CRT 62-200980-0HAMOUNTING POST2 62-200990-0HACABINET SIDE CATCHER1 62-216340-0UAHOLDER POWE

38、R CORD1 62-312090-0HAADAPTER-POWER KNOB (NEW PCB)1 63-B26080-AB4S/T SCREW B 2.8 X 8 AB1MTG PUSH BUTTON & F.CAB 63-B26080-AB4S/T SCREW B 2.8 X 8 AB1MTG SENSOR & F. PANEL 63-B30140-0B4S/T SCREW B 3 X 14 B2MTG PUSH BUTTON & F. CAB. 63-B50250-AB4S/T SCREW B 5 X 25 AB4MTG CRT & F. CAB. 65-307670-0M4TOOTH

39、 WASHER4MTG CRT 67-110010-0E0SPRING CRT 6MMX18MMX0.5MM1 67-233100-0E0SPRING PWR KNOB1FOR PWR KNOB 08-14194U-MANASSY - MAIN BD 02-IRR001-XX0IR RECEIVER MODULE1IR001 07-389VI5-NX4TUNER UV1355-BK2(BG/HB/IEC/5V)1TU101 10-1N4001-EBXDIODE 1N4001 (RECTIFIER)1D301 10-1N4002-EBXDIODE 1N4002 (RECTIFIER)1D411

40、10-1N4148-ABXDIODE 1N4148 (SWITCHING)10D206, D206A, D311, D312, D313, D314, D315, D601, D602, D603 Page 1 of 7CTM3440 PART CODEDESC QTY LOCATION 10-1N4148-ABXDIODE 1N4148 (SWITCHING)1J918, FOR (+)&J221 TO (-)&R901 10-55C4V7-DBXDIODE ZENER 4.7V 1/2W +/-5%1D208 10-55C5V1-DBXDIODE ZENER 5V1 1/2W +/-5%1

41、D004 10-55C8V2-DBXDIODE ZENER 8V2 1/2W +/-5%1D404 10-CW574C-DJXDIODE CW574CS1D001 10-TFR104-FBXDIODE TFR104 (FAST RECOVERY)3D401, D402, D403 11-2N3904-0BXTRANSISTOR 2N3904 (NPN)1Q001 11-DD1555-0AXTRANSISTOR 3DD1555 (HORIZ)1Q402 11-KSD882-0AXTRANSISTOR KSD882 (POWER)1Q608 11-SA1015-YBXTRANSISTOR 2SA1

42、015Y4Q007, Q203, Q205, Q601 11-SC1815-YBXTRANSISTOR 2SC1815Y14Q004, Q005, Q006, Q201, Q202, Q204, Q208, Q603, Q605, Q901, Q902, Q903, Q904, Q905 11-SC2482-0BXTRANSISTOR 2SC24821Q401 11-SC3779-DBXTRANSISTOR 2SC3779D (RF AMPL)1Q101 11-TA124E-SBXTRANSISTOR DTA124ES (TP)1Q304 11-TC144E-SBXTRANSISTOR DTC

43、144ES (TP)3Q301, Q606, Q607 13-000040-53PIC 4053 (ANALOG SW)1IC901 13-000040-66PIC 4066 (ANALOG SW.)1IC603 13-000L78-05SIC L7805 CV 5V 1A (REGUALTOR)1IC402 13-00M24C-04PIC M24C04 EEPROM 4K1IC002 13-00MC78-09SIC MC7809C LINEAR +9V 1A1IC401 13-0TA840-3KSIC TA8403K (VERT. OUTPUT)1IC301 13-0TDA74-96SIC TDA7496 (AUDIO)1IC601 13-A02V01-TOPIC TCLM17VR (CPU)1IC001 13-TB1238-ANPIC TB1238AN (P/SIF/VCD) CH/JP1IC201 14-LED05R-XX0LED HFR105 (5MM)1D051A 18-CB0101-JNXRES. C.F. 100 OHM 1/6W +/-5%4R048, R049, R238, R251 18-CB0102-JNXRES. C.F. 1K OHM 1/6W +/-5%24J917, R028, R041, R054, R059, R129, R208, R211,