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■ Troubleshooting
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Check the CG_MOTHER Board.
SLOT1
SLOT2
SLOT3
SLOT4
Check the Vcc voltages.
S9V / S6V
9V / 5VB / -5V
Check the signal lines.
DIF SCDT/H/V
DIF SCDT/H/V
IC9041
BUFFER
DIF DE
DIF DE
<74VCX2374>
IC9016
BB
IC9031
BUFFER
GB
<74VCX16821>
RB
IC9032
BUFFER
BA
<74VCX16821>
GA
IC9033
BUFFER
RA
<74VCX16821>
IC9017
IC9014
DIF CLK1/2/3/4
DIFCLK
SELECTOR
<QS3125>
SLOT1/2/3/4 ON
IC9013
CS1/2/3/4
SLOT ON SW
C_SYNC
<4052>
SLOT_SEL1/SEL2
IC9001
SLOT1/2/3/4 H/V
HS / VS
SYNC SW
<4052>
SLOT1 R/G/B
R
IC9006
G
RGB SW
SLOT2 R/G/B
B
<AD8185>
SLOT_SEL1/SEL2
SLOT3 R/G/B
R
IC9007
G
RGB SW
SLOT4 R/G/B
B
<AD8185>
SLOT_SEL1/SEL2
SLOT1 AUDIO_L/R
SLOT2 AUDIO_L/R
IC9002
AUDIO_L/R
SLOT3 AUDIO_L/R
AUDIO SW
<4052>
SLOT4 AUDIO_L/R
SLOT TYPE
M-IDA1/2/3/4
DETECTOR
IC9021
I/O EXPANDER
M-IDB1/2/3/4
<M62320>
SLOT TYPE
M-IDC1/2/3/4
IC9022
DETECTOR
I/O EXPANDER
SLOT1/2/3/4_ID
<M62320>
SLOT ID
- 53 -
(Always)
(Switched)
DIF CLK
IC9005
BUFFER
H/V_SYNC
K90K
R
K90L
G
K90M
B
IIC_SCL/SDA
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