㈩✢࿑
(Page 1)
U13 :
ࡔࠗࡦ࿁〝ၮ᧼
DB-VPB311
SCHEMATIC DIAGRAM (Page 1)
U13 : MAIN CIRCUIT PC BOARD DB-VPB311
To Stepping motor
To Spindle motor
To Pickup assembly
1
A
B
C
D
2
3
4
5
6
7
IC304
Load PCB
CN601
3.3k
470
TC7SZU04F
100k
0.01
1k
15p
10k
82k
22k
Pa
g
e
2
For Mecha
connector
Page 2
Page 2
Page 2
Page 3
Page 3
Page 2
Page 2
From FR CPU
Page 3
Page 3
Page 2
FR CHIP (IC601)
Page 3
BY CHIP (IC701)
162p
Page 3
BY CHIP
Page 2
FR CPU
To Q171
1
2
3
4
5
6
Q171
RN4982-TLB
(UMD3N)
3V to 5Volt
V+5V
DF OUT
From DSP IC
54p
to RF IC (IC 101)
28p
Page 1
8
: RF SIGNAL ROUTE
: AUDIO DATA SIGNAL ROUTE
: FOCUS SERVO LOOP LINE
: TRACKING SERVO LOOP LINE
: SLIDER SERVO LOOP LINE
(F)
(AD)
(RF)
: RF (VIDEO) SIGNAL ROUTE
(V)
: RF (AUDIO) SIGNAL ROUTE
(A)
(T)
(S)
(F)
(F)
(T)
(T)
(F)
(F)
(F)
(T)
(S)
(T)
(F)
(F)
(T)
(T)
(F)
(F)
(T)
(T)
(F)
(T)
(F)
(T)
(F)
(F)
(T)
(F)
(T)
(S)
(T)
(F)
(F)
(F)
(F)
(F)
(T)
(T)
(T)
(T)
(F)
(T)
(RF)
(RF)
(RF)
(V)
(V)
(A)
(A)
(A)
(V)
(V)
(V)
(V)
(V)
(A)
(A)
(AD)
5
11
11
10
10
7
Page 2
IC701 DVD Decoder
Page 2/3
9
1
2
3
CN120
CN151
CN251
CN3
