Schematic Diagram - Power Amp Section - Sony HCD-EP707 Service Manual

5-10. SCHEMATIC DIAGRAM – POWER AMP Section –
POWER AMP BOARD
R711
2.7k
0
0
Q703
DTC343TS
E
R712
2.7k
MAIN
BOARD
0
(2/2)
0
CON214
Q704
(Page 23)
DTC343TS
R710 Q701 – 704
10k
MUTING
16V
R635
120
1.2 25.6
100PF
1.5 22.8
10
13.2
50V
0
0
CE619
200UF
0
25V
24.5
0
13.2
0
0
10
50V
22.8
100PF
U1
1.2
CE711
POWER AMP
50V U1
4450
R634
120
16V
H
C624
REGULATOR
0.1UF
BOARD
CON808
(Page 29)
25V
0.1
0.1
25V
U700
+9V REGULATOR
U700
NJM7809A
14.8 25V 25V
I
8.9
REGULATOR
BOARD
CON801
(Page 29)
25 25
SPEAKER JACK
BOARD
CON800
4P
+
SP801
L
− SPEAKER
IMPEDANCE
−
USE 4Ω
R
+
HCD-EP707