PV-20DF62/PV-27DF62/PV-27DF62-K
TROUBLESHOOTING HINTS
OK
Replace IC8403.
Cause: Audio DAC Problem
Check voltage at TP8022 on the
DVD Decoder C.B.A.
Is it +5.0V ?
Check signal at TP8416 on the
DVD Decoder C.B.A.
(27 MHz clock)
NG
Check Power line.
OK
Check X8501.
NG
Replace X8501.
NG
Replace IC8502.
OK
(BUFFER)
(AUDIO D/A CONVERTER)
Cause: EEPROM Problem
Check voltage at TP8051 on the
DVD Decoder C.B.A.
Is it +5.0V ?
Check Power line.
NG
OK
Replace IC8001.
Cause: Flash ROM Problem
Check voltage at TP8301 on the
DVD Decoder C.B.A.
Is it +3.6V ?
NG
Check Power line.
OK
Replace IC8301.
(EEPROM)
(FLASH MEMORY)
1 V
20 ns
V1 3.1 Vp-p
1 V
20 ns
V1 2.2 Vp-p
1 V
20 ns
V1 3.1 Vp-p
TP8006
TP8207
TP8416
Summary of Contents for PV 20DF62
Page 21: ...Fig D2 ...
Page 22: ...Fig D3 ...
Page 23: ...6 1 1 1 Notes in chart 1 Removal of DVD Ass y Fig D4 ...
Page 45: ...the black screen starts to turn gray lighting only 7 3 TEST POINTS AND CONTROL LOCATION ...
Page 115: ......
Page 180: ...11 2 CHASSIS FRAME SECTION 2 ...
Page 181: ...11 3 CHASSIS FRAME SECTION 3 ...