SERVICE MANUAL FOR M35&36; CHASSIS
SERVICE MANUAL FOR M35&36; CHASSIS SERVICE MANUAL FOR M35&36; CHASSIS
TCL Chassis M35&36 Service Manual No raster, No PIC Sound OK Check the heater Voltage. Is Is it it 6.3V? NO Check the voltage of of pin4 of of the FBT NG Replace the FBT YES OK Is Is the horizontal Circuit OK? NO Is Is the horizontal Circuit OK? Check R403 NG Replace R403 YES OK Check D408, C408 C409, C416, R415 NO Check waveform at at pin 33 of of IC201 Check the CRT OK Check the video amplification section NG Check the R/G/B cathode voltage. OK Check the screen voltage. OK NG Readjust the Screen knob on the FBT. Replace the CRT Fig.5 No raster, no picture, sound OK 54 03.Mar.2003
TCL Chassis M35&36 Service Manual Check the voltage of of Pin54 of of IC201, is is it it more than 3.3V? YES Check Q206 and its its per- Ipheral components. NO NO The channel can’t be stored YES Check Q103, Q104 and Their peripheral components NO Check IC202 and IC201 Fig.6 The channel can’t be stored Tuning control don’t work Is Is the voltage of of BM terminal of of the tuner 5V? YES Can the VT voltage vary form 0 to to 30V While tuning? YES Check the tuner, Q101, IC101 and IF IF section circuit. NO NO Check the 5V power supply circuit for the tuner Check the circuit From pin6 of of IC201 to to VT terminal of of the tuner. Fig.7 Tuning control don’t work 55 03.Mar.2003
- Page 3 and 4: TCL [Treble, Bass, Balance Control
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- Page 7 and 8: TCL PART IV. IC Pin Description 1.
- Page 9 and 10: TCL - as a protection against over
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- Page 21 and 22: TCL 6. TDA7057AQ Audio Output Ampli
- Page 23 and 24: TCL APPLICATION DIAGRAM Chassis M35
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- Page 27 and 28: TCL Signal flow block diagram (inpu
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- Page 31 and 32: TCL decay time: 37 ms Chassis M35&3
- Page 33 and 34: TCL (Fig. 9) Word strobe line for t
- Page 35 and 36: TCL Pin Circuits Pin No. Pin Name T
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- Page 39 and 40: TCL Chip Architecture Chassis M35&3
- Page 41 and 42: TCL Pin Connections and Short Descr
- Page 43 and 44: TCL operation, it must be connected
- Page 45 and 46: TCL Pin 59, SCL . I2C Bus Clock (Fi
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TCL<br />
Chassis M35&<strong>36</strong> Service Manual<br />
No raster, No PIC<br />
Sound OK<br />
Check the heater<br />
Voltage. Is Is it it 6.3V?<br />
NO<br />
Check the voltage<br />
of of pin4 of of the FBT<br />
NG<br />
Replace the FBT<br />
YES<br />
OK<br />
Is Is the horizontal<br />
Circuit OK?<br />
NO<br />
Is Is the horizontal<br />
Circuit OK?<br />
Check R403<br />
NG<br />
Replace R403<br />
YES<br />
OK<br />
Check D408, C408<br />
C409, C416, R415<br />
NO<br />
Check waveform<br />
at at pin 33 of of IC201<br />
Check the CRT<br />
OK<br />
Check the video<br />
amplification<br />
section<br />
NG<br />
Check the R/G/B<br />
cathode voltage.<br />
OK<br />
Check the screen<br />
voltage.<br />
OK<br />
NG<br />
Readjust the<br />
Screen knob on the<br />
FBT.<br />
Replace the CRT<br />
Fig.5 No raster, no picture, sound OK<br />
54 03.Mar.2003
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