PDP-5016HD
147
5678
56
7
8
C
D
F
A
B
E
19) No Operating of a Key
Control key is O.K. but
the Function does not
operate.
Check the signal level
Key1,Key2(AE10, AF10)
of U5
Check Control SUB Key Assy
And power line
NG
OK
Check the Micom part
(IIC Comunication, other
Control line) of U5
OK
Exchange the IC(U5)
NG
Refer to the lower
table
OK
Exchange the Main Assy
Check the Solder state and pin of Connector JP41
Check the Solder state in SUB Key Assy.
Check the I2C between Micom and EEPROM.
Check the Flash Memory or SDRAM.
POWER(0.265~0.445V)
MEMU(0.850~1.030V)
AV(1.34~1.54V)
SELECT(1.98~2.17V)
CH+(0.280~0.460V)
CH-(0.850~1.020V)
VOL+(1.35~1.53V)
VOL-(1.97~2.16V)
T16
T16
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
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