Service manual

CD-BA1200H
– 26 –
Figure 26 SCHEMATIC DIAGRAM (7/10)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
12
11
10
9
8
7
6
5
43
2
1
3
2
1
3
2
1
+5V (CD +B)
SW_5V
+B
+B
+B
+B +B
+B
+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)
UN SW 5V
AC_RLY_CONT
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
P22 1 - C, P23 11 - H
TO MAIN SECTION
3
2
1
4
22
17
4
18
19
12
5
15
14
16
21
10
12
11
13
20
22
1
1
33
SP. DET.
SP. DET.
IC905
KTC2026
C935 22/25
C934 0.047(ML)
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
D904
1SS133
D903
1SS133
C942 47/25
C941
0.047(ML)
C945 0.1 (ML)
IC904
KIA7805P
VOLTAGE REGULATOR
IC903
AN78L05
CONSTANT
VOLTAGE REGULATOR
C933
68P
K
R930 220
R929 220
C954 100/50
R928 12K
C955
C947
3300/25
D
1
D911
1N4004S
D913
1N4004S
D9
1
1N
4
C946
2200/35
ZD903
MTZJ6.2A
R915
820
Q902
KRC102 M
R914
22K
Q901
KRC102 M
C918 220P
R909 56K
C914 470/25
R908 120
R906 1K
R911
270
(1/2W)
R912
4.7
C916
0.1(ML)
C912
0.1(ML)
R910
270
(1/2W)
C909 0.082(ML)
R907 1K
R905 120
C905 0.022
C903
470P
C908 0.082 (ML)
C904
470P
C907 100/25
C906 47/25
C910 100/25
C919
10/50
C911
0.022
R913
4.7
C917
0.1(ML)
C913
0.1(ML)
C915 470/25
IC901
LA4282
POWER AMP.
C936
100P
C937
100P