Service manual

CD-BA120/125
– 22 –
A
B
C
D
E
F
G
H
1
23456
12
11
10
9
8
7
6
5
43
2
1
3
2
1
3
2
1
+5V (CD +B)
+5V
+B
+B
+B
+B
+B
+B
+B
+B
+B
M 10V
GND
(A_GND)
A 10V
GND
(A_GND)
VF2
-VP
VF1
POWER
GND (M_GND)
L
R
GND (CD_GND)
GND (D_GND)
TO TUN
UN SW 5V
R OUT L OUT
GND1 POWER
OUT1 Vcc
GND2 POWER OUT2
NF2
IN2
PRE-GND
IN1
NF1
CH2
CH1
VOL. PROTECTOR
OVERTHERMAL
CIRCUIT
MUTE
FILTER
RIPPLE
Q
U
V
V
W
a
Y
C
K
L
M
J
O
X
P
T
TO MAIN PWB
P20 1 - C,
P21 10 - H
X
Q903
KTC2026
C935 22/25
C934 0.047
R924 3.3(1/2W)
R922 22K
R923 33
D918 1SS133
R925 22K
C938 47/25
C939 0.1 (ML)
C940 0.1 (ML)
IC902
KIA7810AP
VOLTAGE
REGULATOR
R926
10K
C943 47/25
C944
0.022
(ML)
C945 0.1 (ML)
IC904
KIA7805AP
VOLTAGE REGULATOR
C933
68P
Q9
0
KT
A
R930 220
R929 220
C954 100/35
R928 12K
C955 47/50
C947
3300/25
D9
1
IN4
0
D911
IN4004S
D913
IN4004S
D914
IN40
0
D
R
C946
2200/35
ZD903
DZ6R2ASA
R915
820
Q902
KRC102 M
R914
22K
22
1
1
33
Q901
KRC102 M
C918
220P
R909 56K
C914 470/25
R908 120
R906 1K
R911
270
(1/2W)
R912
4.7
C916
0.047
R910
270
(1/2W)
C909 0.082(ML)
R907 1K
R905 120
C905 0.022
C903
0.001
C908 0.082 (ML)
C904
0.001
C907 100/25
C906 47/25
C910 100/25
C919
10/50
C911
0.022
R913
4.7
C917
0.047
C915 470/25
IC901
LA4282
POWER AMP.
Figure 22 SCHEMATIC DIAGRAM (5/10)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.