Sony CFD-CD777SMK2 - Amp Board; Control Board

39
CFD-CD777SMK2
– AMP Board –
IC103 LA4620
– CONTROL Board –
IC104, 204 KIA6966S
PRE
DRIVER
POWER
AMP
RL SHORT
PROTECTOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
23
21
20
19
18
17
22
VCC
DC
L IN+
IN–
IN–
GND
IN–
R IN+
STANDBY
VCC
MUTE
OUT
GND
OUT
IN–
OUT
GND
OUT
+
–
PRE
DRIVER
POWER
AMP
+
–
PRE
DRIVER
POWER
AMP
RL SHORT
PROTECTOR
THERMAL
PROTECTION
CIRCUIT
RIPPLE
FILTER
POP NOISE
PREVENTION
CIRCUIT
+
–
PRE
DRIVER
POWER
AMP
+
–
REFERENCE
VOLTAGE
1 2 3 4 5 6 7 8 9
OUT1 OUT2
OUT3
OUT4
OUT5
VD
GND
IN
VCC
+
–
+
–
+
–
+
–
+
–
+
–