Sanyo PLC-XF1000 Service Manual page 117

Troubleshooting
No Picture
Check the BNC terminals on the AV/DIV board.
G
B
R
H/HV
V
S-VIDEO
IC1031
IC1032
IC1033
H_SYNC
IC2011
IC1034
<BA7078>
V_SYNC
IC1035
IC1041
IC1042
CHROMA
DECODER
SCART
<CXD3815>
IC1043
Y-SVIDEO
IC3011
IC2031
VIDEO-SW
C-SVIDEO
<CXA2239>
IC3012
Check the Vcc voltages.
Check the test points.
R
IC9981
G
RGB-SW
<AD8074>
B
IC2013
IC3103
IC2012
IC2014
IC3151
COLOR
IC1101
SPACE
<EPM240T>
IC4101
SDRAM
CR-R/Y-G/CB-B_OUT15
IC2071
30K-RGB-SW
<AD8075>
15K_CB/Y/CR
IC1061
RGB
SELECTOR
<AD8183>
CR-R/Y-G/CB-B_OUT30
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-117-
S9V (Always)
9V / 5VB / -5V (Switched)
A_R2
A_G2
A_B2
A_HS2
A_VS2
IC3104
EXPANDER
SW
IC3101
D/A
<ADV7123>
MSCL
MSDA
A_R2
A_G2
A_B2
IC9913
EEPROM
L80H
R
86
G
87
B
88
H_SYNC
81
V_SYNC
37
I/O
PF
80
35