39
AVR-3310CI/AVR-3310/AVR990/AVC-3310
※ Unless specified, 8U-210081-1 A.VIDEO UNIT part.
D
Input
CVBS
YES
Check ± 5VA and +5VD.
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
NG
To troubleshooting 1.1 Power not
turn on.
OK
Check input/output of analog SW.
Input : IC109-13pin
Output : IC109-3pin
NG
Check analog SW settings.
IC109-9,10,11pin : L(0V)
IC109-6pin : L(0V)
NG
Check IC301, IC303 and CX141
soldering, or DIGITAL UNIT flaw.
OK
OK
Check soldering of IC109.
Check input/output of AMP.
Input : IC115-5pin
Output : IC115-7pin
NG
Check soldering of IC115.
OK
Check input/output of analog SW.
Input : IC108-15pin
Output : IC108-13pin
NG
Check analog SW settings.
IC108-10pin : L(0V)
IC108-9pin : H(+5V)
NG
Check soldering of IC301 and
CX141.
OK
OK
Check soldering of IC108.
Check input/output of AMP.
Input : IC112-5pin
Output : IC112-7pin
NG
Check soldering of IC112.
OK
Check cable between main unit and mon-
itor or Check monitor.
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com