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10
TROUBLESHOOTING GUIDE Appendix
2. NO PICTURE
Check the waveform of I101 #46
NG : GO to the figure c
OK : Go the figure d
TU01
TUNER
I701
MICOM
X702
32.768KHz
#10
#11 #12
ST-BY
5V
#29 #30
Check
the crystal
SDA
SCL
5V
33V
IF OUT
Check
the voltages
#14
AFT
#29
#30
SDA
SCL
I101
SF101
SAW FILTER
#5
#6
#10
#8
#11
#12
Check
IF Vcc (5V)
Check
clock/data signal
Check
clock/data signal
#3
#4
Check
IF AGC voltage
Check
RF AGC voltage
#46
#44
Z501
4.5M Trap
Check
the waveform
c
I101
#44
I502
C502
Check
composite video
#18
Check
RBG Vcc (9V)
#19
#20
#21
Check
RBG signal output
T402
FBT
#13
Check
ABL current
#25
Check
HOR Vcc(5V)
#43
Check
CHROMA/VIDEO Vcc(5V)
D410
Check
200V LINE
R915,R916
Check
heater voltage
d
21V
-3V
Содержание DTQ-29M2FS
Страница 4: ...3 CIRCUIT BLOCK DIAGRAM...
Страница 11: ...6 0 7 5 0 5 8 7 5 0 6 592 6 6 21 5 8 7 5 0 7 1 1 66 6...
Страница 22: ...3 2 9 0 6...
Страница 23: ...22 PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM 6 SERVO SYSCON CEC CIRCUIT DIAGRAM T DECK...
Страница 27: ...3 CHIP COMPONENTS POSITION Appendix CN 012N CHASSIS...