Pioneer PDP-42A3HD Service Manual page 82

1
11. No Caption
Preliminary Checkpoints
A
Check the back Solding state in 96 pin connector(JP12(Digital),JP701(DTT&Analog))
Check the CC_RD,GD,BD,FB,VD,HD signal in I C.
Check the I2C between Micom and uPD64012 or EEPROM.
Check the Flash Memory or SDRAM.
B
C
Check CC_R,G,B,FB,H,V-sync
D
E
F
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82
1
2
CC in Remocon is
O.K. but the CC Does
Not display
OK
Check the Micom_CVBS
(Pin 121)
of IC SDA6001(U29)
OK
R,G,B,FB,H-sync
of IC SDA6001(U29)
OK
Change the uPD64012
PDP-42A3HD
2
3
NG
Waveform 24
V-sync
NG
Check the crystal(X2)
and related parts on U29
3
4
Check Micom CVBS
Connection part
4
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