Sony LMD-151MD Service Manual page 73

G(1/2) BA12ST (IC692)
SDA 1
REFERENCE
Vcc 2
VOLTAGE
GND 3
G(1/2) MCR5102 (IC603)
VC-1 14
Vc-2 14V
5V
Start Up Vref 5V CMOS 5V
10V
10V
5V 5V
4V
13V/BV
1
DELAY
R
Q
S
5V
OSC
6 7 8 11 5
CT RT Rocp Vovp SS
LMD-151MD
A B
5 N.C.
4 OUT
U. V.
R RESET
U. V.
DETECT
LEVEL
SHIFT
PULSE
TSD
FILTER
Vref/Vc-3
LEVEL
SHIFT
PULSE
Q
GEN.
T
U. V.
Q
DETECT
Vref/Vc-2
LEVEL DELAY
SHIFT
5V
Refresh
One Shot
0V/3V
2k
3 12 10
Reset Cocp GND
C
G G
VD
1
18 VB
2 VG (H)
R Q 4.7
R
S Q
21V
19 VS
50k
15 VC-2
16
VG (L)
4.7
21V
17 COM
50k
5k
13 Voop
20p
4 NC
0.2V
50k 9 NC
8-17 8-17
D E
G(1/2) MZ1530 (IC666)
3 5
1
C1
R4 6
8
D1
C5 R5
4 IC 1 2
Q1
C2
R6
R3
7 5
C3
10
C6
C4
3 9 11
8
G(2/2) TL1451ACPW-E20 (IC2601)
16 15 14 13 12 11 10 9
V REF
ERROR
AMP 2
ERROR
AMP 1
OSCILLATOR
1 2 3 4 5 6 7 8
F G
1
9 Vcc
Gate
2
Drain
1
N.C.
6
2
Catbode
10
4 Source
R2
R1
GND
7
3
4
5
H