SERVICE MANUAL FOR M35&36; CHASSIS
SERVICE MANUAL FOR M35&36; CHASSIS SERVICE MANUAL FOR M35&36; CHASSIS
TCL PART VI. Troubleshooting (Fig.1&2 only for M35, Fig.3 only for M36, the others is common) Flow chart Chassis M35&36 Service Manual No Sound PIC. OK Replace IC601 OK Check the wave- Form at at Pin11 of of IC101 OK Check the waveform at at pin10 of of IC101 OK Check the waveform at at Pin4, Pin11 of of IC901 OK Check the waveform at at Pin3, Pin- 13 of of IC901 NG NG NG NG Check D101, D102 Q102, Z102, Z103 and its peripheral Replace IC101 Check C212, R214 R214A Replace IC901 Fig.1 No Sound, PIC OK ( If hasn’t MSP ) No Sound PIC. OK Check the waveform at at Pin13 of of IC101 YES Check the voltage of of Pin33 of of IC901 (8V?), and Pin16 & pin5 of of IC1001 (5V?) OK Check the waveform at at Pin24, Pin25 of of IC1001 OK Replace IC601 NG NG NG Replace IC101 Check L1001, R1001, R1002 etc. Replace IC1001 Fig.2 No Sound, PIC OK ( If has MSP ) 52 03.Mar.2003
TCL Chassis M35&36 Service Manual No Sound PIC. OK Replace IC602 Check the waveform at at Pin13 of of IC101 OK Check the voltage of of Pin33 of of IC901 (8V?), and Pin16& pin5 of of IC901(5V?) OK Check the waveform at at Pin24, Pin25 of of C901 OK OK Check R634 NG NG NG NG Replace IC101 Check L901, R- R- 958, R959 etc. Replace IC901 Replace R634 Fig.3 No Sound, PIC OK Sound Ok, Raster ok, No Picture Check the RGB waveform at at the Point of of Pin42&43& 44 of of IC201 and the collector of of Q201/Q203 and Q205 NG OK Check Q501,Q505, Q507, Q509, Q513 and their peripheral components Check the waveform at at Pin19 of of IC201 OK Replace IC201 NG Check the waveform at at Pin18 of of IC101 NG OK Check Q103, Q104 and Their peripheral components Replace IC101 Fig.4 Sound OK, Raster OK, No Picture 53 03.Mar.2003
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- 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 Sound<br />
PIC. OK<br />
Replace IC602<br />
Check the waveform<br />
at at Pin13 of<br />
of<br />
IC101<br />
OK<br />
Check the voltage<br />
of of Pin33 of of IC901<br />
(8V?), and Pin16&<br />
pin5 of of IC901(5V?)<br />
OK<br />
Check the waveform<br />
at at Pin24,<br />
Pin25 of of C901<br />
OK<br />
OK<br />
Check R634<br />
NG<br />
NG<br />
NG<br />
NG<br />
Replace IC101<br />
Check L901, R-<br />
R-<br />
958, R959 etc.<br />
Replace IC901<br />
Replace R634<br />
Fig.3 No Sound, PIC OK<br />
Sound Ok, Raster<br />
ok, No Picture<br />
Check the RGB waveform<br />
at at the Point of of Pin42&43&<br />
44 of of IC201 and the collector<br />
of of Q201/Q203 and<br />
Q205<br />
NG<br />
OK<br />
Check Q501,Q505,<br />
Q507, Q509, Q513<br />
and their peripheral<br />
components<br />
Check the waveform at<br />
at<br />
Pin19 of of IC201<br />
OK<br />
Replace IC201<br />
NG<br />
Check the waveform at<br />
at<br />
Pin18 of of IC101<br />
NG<br />
OK<br />
Check Q103, Q104 and<br />
Their peripheral components<br />
Replace IC101<br />
Fig.4 Sound OK, Raster OK, No Picture<br />
53 03.Mar.2003
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