Sharp MD-X60H Service Manual page 58

MD-X60H
POWER AMP
PWB-C1
A
FM SIGNAL
B
RELAY
1
L_IN
2
A1_GND
3
R_IN
4
POWER
5
PROTECT
6
A_11V
7
8
A_GND
9
C
A_–B
10
FAN
11
VLOAD
12
BIAS_GND
13
14
15
D
+B
E
+B
D_GND
1
2
D_+B
3
CD_7V
F
4
CD_GND
5
6
CD_9V
+B
7
A_GND(MD)
8
A_10V(MD)
9
D_GND(MD)
10
+B
+B(MD)
11
12
M_GND
13
M_+12V
14
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.
1
1 2 3 4 6
5
R261
8.2K
R205
C221
R263
100
1/50 12K FR202
100
C207
15P
R209
56K
FR201
R211
100
820
C209
100/35
C210
100/35
R210
R212
56K
820
C208
15P
C222
R206
1/50 100
+B
ZD241
MTZJ11C
C242
0.022
5.1V
C815
100/10
Q831
2SD2012
18V
Q830
KTC3199 GR
9.5V
R831
220
8.2V
C833
100/16
Q851
2SD2012
5.6V
12.5V
Q850
KTC3199 GR
12.5V
6.2V
6.8V
R852
C850
220
100/16
6V
Q880
2SD2012
6.7V
ZD881
Q881 R879
MTZJ6.8B
470
KRC102 M
0V
6.8V
0V
ZD882
MTZJ8.2A
2 3
Figure 58 SCHEMATIC DIAGRAM (11/16)
– –
8 9
7
10 11 12 13 14 15
C205
470P
R245
68K
34V
34V
30V
+B1-1
GND1-1
–B1-1
R243
820 (3W)
Q811
POSISTOR
2SD2012
+B
12.5V
RP811
R811
R813
100
1K
ZD810
MTZJ5.6C
+B POSISTOR
Q821
2SD2012
RP821
9.5V
18V
Q820
KTC3199 GR
10.1V
R821
220
10.7V
10.7V
3
0V
R823 2
5V
47K 1
0V
ZD820
MTZJ110A
+B
POSISTOR
Q841
2SD2012 RP841
+B
12.5V
22.3V
Q840
KTC3199 GR
R841
100
13.7V
C840
100/16
C843
0.022
+B
18V
RP870
POSISTOR
C880
R881
100/16
470
4
– 58 –
IC201
STK40705
POWER AMP.
Q251
KTC3199 GR
0V 4.5V
D201
1SS133
Q252
0V
KTC3199 GR
0V
4.5V D202
1SS133
0V
R265
4.7
R259
0.2 (1W) Q201
L203
C251
KRC107 M
3 H
0.022
0V 3
5V
2
1
0V
R260
0.2 (1W)
L204
3 H
R266
4.7
C218
0.1 (ML)
R228
4.7
D206
C220
1SS133
0.1 (ML)
C237
4700/50
C238
4700/50
POSISTOR
C888
6800/25
Q861
2SD2012
13V
22.3V R862
680
14.2V
13.6V
Q860
14.2V
KTC3199 GR
R861
220
C860
100/16
ZD861
MTZJ13C
5
D203
1SS133
4.5V
0V
0V
Q297
KTC3199
KTC319
A_GN
1
0V
2 3
0V
0V
Q260
KRC107 M
FR896
Q863
KRA102 M
3
0V 2
0V 5V
Q862
14.2V 1
0V
KRC1
6