PIONEER DEH-P1
Instrukcja Serwisowa

1

2

3

4

6. No Video Signal (S-VHS)
Preliminary Checkpoints
A

Check the condition of connectin of the input S-VHS signal. Check the condition of soldering state in S-VHS & input part Check the short poi nt in signal line. Check for short circuits between each power terminal and the ground.
B

No S-VHS signal (SMPTE Color Bars) (1):S-VIDEO01 (2):S-VIDEO01 (3):S-VIDEO01 #10,12(1),17,19(2),24,26(3) at U706 in DTT & Analog B/D
C

NG

Check CVBS input part

Waveform 16,16-1

#121,128 At U711 In DTT&Analog Board
Waveform 17,17-1

NG Check U706 & input part of U711

D

Dose the signal appear at PR22,24 25,26 In DTT&Analog B/D Waveform 11 Dose the signal appear at PR29,31,34,35,38,39 In digital B/D Waveform 12

NG

Check U16 and Y2 and related circuit

NG

Check U20 and X2 and related circuit

E

Check the LVDS Cable and JP500 in Digital B/D

NG

Change the LVDS Cable &LVDS chip

Change Digital B/D

F

T06
72
1 2

T06
PDP-42A3HD
3 4