Sharp CD-C470H Service Manual page 31

V
C963 C965
47/50 1000/25
–
1
14
+ 2
13
R957
H:ON
10K
L:OFF
3
12
IC951
4
11
LA4451
10
POWER AMP.
5
+
6
9
C964
C966
8 7
–
47/50
2200/25
R970 C960
C961
56K 47/35
0.022
+B
POWER PWB-B1
1 +B1
GND1
–B1
3
D802~D805:
+B2
1 1
GND2
2
2
GND3
3 3
VF1
CNP801
4 4
–VP
TO MAIN PWB
5 5
P27 7-H
6 6
7
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CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
POWER AMP. PWB-B2
F902
T2.5A
L 250V
R934
6.8
C930
0.022
C926
0.022
C928
0.022
C932
R961 0.022
270
(1/2W)
L951
R959
0.29µH
R962 4.7
C967
270 C986
(1/2W) 0.01 0.1
C969
(ML)
0.1
(ML)
R960
L952
4.7 0.29µH
C968
0.1
C970
(ML)
0.1 (ML)
D801
+B
S4VB20
C801
0.22 (ML)
+B
C802
0.22 (ML)
–B
C803
–B
0.047
(ML)
RL104A
D802 D805
+B
D803 D804
D808
RL104A
–31.3V
–36.7V
D809
Q801
R803
RL104A
KTA1266 GR
220
VOLTAGE
REGULATOR
When Servicing, pay attention as the area
enclosed by this line (
connected with AC main voltage.
8 9
Figure 31 SCHEMATIC DIAGRAM (10/14)
HEADPHONES
PWB-A3
1
OUL_L HP_L
1
OUL_L1 HP_L1
2
OUL_R HP_R
3
OUL_R1 HP_R1
4
HP_GND
A_GND1
5
5
F901
L903
T2.5A
2.2µH
L 250V
C924
100P
R933
6.8
R937
10
C925
0.022
C927 FRONT SPEAKERS
SO901
0.022
+
SP_REAR_L-CH
C935
0.001
–
SP_REAR_L-CH_GND
–
SP_REAR_R-CH_GND
C936
0.001
+
SP_REAR_R-CH
REAR SPEAKERS
SO902
+
SP_REAR_L-CH
R965
–
6.8
SP_REAR_L-CH_GND
C975
0.022
–
SP_REAR_R-CH_GND
C977
0.022
+
SP_REAR_R-CH
C981
0.01
R966
SO903
6.8
CENTER SPEAKER
C978
0.022 +
SP_CENTER
C976
0.022
–
SP_CENTER_GND
POWER
TRANSFORMER
T801
F802
T4A L 250V
F803
T4A L 250V
F804
T1.6A L 250V
T.F
) is directly
10
– 31 –
HEADPHONES
JA901
R932 R931
330 330
(1/2W) (1/2W)
8 OHMS
8 OHMS
12 OHMS
12 OHMS
6 OHMS
CORE
(280)
AC POWER
SUPPLY CORD
(216)
AC 230V
50Hz
11 12