Main Section - Sony HCD-MD555 Service Manual

— MAIN Section —
IC400 M62016L
COM
+
INTERRUPT SIGNAL
GENERATING BLOCK
–
COM
+
RESET SIGNAL
– GENERATING BLOCK
1 2 3
GND INT RESET
IC504 P82B715TD
NC 1
LX 2
BUFFER
SX 3
4
GND
— CLAMP MOTOR Section / LAD MOTOR Section —
IC701 M54641L (CLAMP MOTOR Section),
IC702 M54641L (LAD MOTOR Section)
VCC
1
REG
INPUT
IN1 3
AMP.
CONTROL
INPUT
IN2 6
AMP.
4
GND
4 5
CD VCC
8 VCC
7 LY
BUFFER
6 SY
5
NC
VCC
8
REFERENCE
5
POWER
2 OUT2
AMP.
POWER
OUT1
7
AMP.
IC502
RESET
1
C
REFFERENCE
PREF
2
CURRENT
LINE
3
NF
LINE
4
IN
GND 5
BIAS 6
Bias
C
NC 7
NC 8
NC 9
— 109 —
BA3833F-E2
RESET
BPF DET
BPF DET
BPF DET
BPF DET
DET
18 RESET
17 f01
16 f02
15 f03
14 f04
13 f
12 VCC
11 NC
10 NC