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1
2
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAM (Page 1)
(Page 1)
U13 : MAIN CIRCUIT PC BOARD DB-VPB311
U13 :
DB-VPB311
A
1
Page 2
B
T E
L
1 3 9 4 2 2 9 6 5 1 3
CN120
C
(RF)
(F)
(F)
(T)
(T)
(F)
(F)
(F)
D
w w w
CN151
For Mecha
connector
.
3
3
(V)
(V)
(RF)
(A)
(F)
(A)
(F)
(F)
(T)
(T)
(T)
(T)
(T)
(F)
(F)
(T)
(T)
(T)
(F)
x
a o
(F)
y
(T)
(T)
i
(F)
(F)
(T)
(F)
http://www.xiaoyu163.com
4
5
8
TC7SZU04F
Page 2
IC304
Page 3
Page 2
(V)
(V)
(A)
(F)
2
(T)
Q
Q
3
7
6
3
(T)
(F)
(A)
(F)
(T)
Page 2
FR CPU
CN251
To Q171
(S)
To Stepping motor
CN3
u 1 6 3
.
http://www.xiaoyu163.com
6
7
2
4
9
9
8
(RF)
: RF SIGNAL ROUTE
(V)
: RF (VIDEO) SIGNAL ROUTE
82k
(A)
15p
: RF (AUDIO) SIGNAL ROUTE
(AD)
: AUDIO DATA SIGNAL ROUTE
1k
10k
(F)
: FOCUS SERVO LOOP LINE
22k
(T)
: TRACKING SERVO LOOP LINE
3.3k
(S)
: SLIDER SERVO LOOP LINE
(V)
(V)
DF OUT
From DSP IC
54p
1
5
1
5
0
8
9
2
4
Page 2
From FR CPU
(T)
(F)
5
(A)
(F)
(T)
Page 3
BY CHIP
Page 2/3
7
Page 3
m
BY CHIP (IC701)
162p
c o
PDR-155
PDR-155
8
2
9
9
V+5V
3V to 5Volt
Q171
RN4982-TLB
4
(UMD3N)
5
6
3
2
1
9
8
2
9
9
8
9
10 10
11 11
Page 3
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