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Q Q
3 7 6 3 1 5 1 5 0
[+6 V ADJUSTMENT]
Connection:
Digital Voltmeter
POWER board
+
C1204
C1501
–
Adjustment Procedure:
1. Connect a digital voltmeter across C1204 of the POWER board.
2. Adjust RV1111 on the POWER board until the digital voltmeter
reading satisfies the specification.
3. Connect a digital voltmeter across C1501 of the POWER board.
4. Adjust RV1201 on the POWER board until the digital voltmeter
reading satisfies the specification.
Specification: 6.0 ± 0.1 V
Adjustment Location: POWER board
[+5.3 V ADJUSTMENT]
Connection:
Digital Voltmeter
POWER board
TP (M+5V)
+
T E
L
1 3 9 4 2 2 9 6 5 1 3
–
TP (MGND)
Adjustment Procedure:
1. Connect a digital voltmeter to TP (M+5 V) and TP (MGND) of
the POWER board.
2. Adjust RV1121 on the POWER board until the digital voltmeter
reading satisfies the specification.
Specification: 5.3 ± 0.1 V
Adjustment Location: POWER board
w w w
.
— 25 —
Adjusting Points and Connecting Points
[POWER BOARD] (SIDE A)
RV1111
+6V Adj
CN1901
[POWER BOARD] (SIDE B)
x
a o
u 1 6 3
y
i
http://www.xiaoyu163.com
8
RV1121
+5.3V Adj
C1204
+6V Adj
C1501
+6V Adj
CN1004
RV1201
+6V Adj
Q
Q
3
7
6
3
1
M+5V
+5.3V Adj
MGND
Q1001
+5.3V Adj
IC1121
c o
.
— 26 —
http://www.xiaoyu163.com
2
4
9
9
8
[VIDEO-IN BOARD] (SIDE A)
J101
IC401
RV402
Y OUTPUT
AMPLITUDE
Adj
IC402
5
1
5
0
8
9
2
4
9
[PICTURE BOARD] (SIDE A)
IC1003
m
RV3003
RV3001
SYNC
WHITE
LEVEL
LEVEL
Adj
Adj
CN1002
— 27 —
DPA-300
2
9
9
J102
J106
RV403
S INPUT
SIGNAL AMPLITUDE
Adj
8
2
9
9
IC4004
IC4019
TP4091
IC4010
(DCLK)
IC4011
CT4001
CLOCK
Adj
IC4016
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