Sharp MD-X60 Service Manual page 52

MD-X60
POWER AMP
PWB-C1
A
FM SIGNAL
B
RELAY
1
L_IN
2
A1_GND
3
R_IN
4
POWER
5
PROTECT
6
C
A_11V
7
8
A_GND
9
A_–B
10
FAN
11
VLOAD
12
BIAS_GND
13
14
15
D
+B
E
D_GND
1
2
D_+B
3
CD_7V
4
CD_GND
5
6
F
CD_9V
7
A_GND(MD)
8
A_10V(MD)
9
D_GND(MD)
10
+B(MD)
11
12
M_GND
13
M_+12V
14
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 62.
1
1 2 3 4
R261
8.2K
R205
C221 R263
100
1/50 12K
C207
15P
R211
820
C209
100/35
C210
100/35
R212
820
C222
R206
100
1/50
+B
ZD241
MTZJ11C
C815
100/10
Q831
+B 2SD2012
18V
Q830
KTC3199 GR
9.5V
R831
220
8.2V
C833
100/16
+B
Q851
2SD2012
5.6V
12.5V
Q850
KTC3199 GR
+B
12.5V
6.2V
6.8V
R852
C850
220
100/16
Q880
2SD2012
ZD881
Q881
MTZJ6.8B
KRC102 M
0V
6.8V
0V
ZD882
MTZJ8.2A
2 3
Figure 52 SCHEMATIC DIAGRAM (11/15)
– –
5 6 7 8 9
10 11 12 13 14
FR202
100
C205
470P
R209
R245
56K
68K
FR201
100
34V
34V
30V
R210
56K
C208
15P
+B1-1
GND1-1
C242
0.022
–B1-1
R243
820 (3W)
Q811
POSISTOR
2SD2012
5.1V
12.5V
RP811
R811
R813
100
1K
ZD810
MTZJ5.6C
+B
Q821
2SD2012
9.5V
18V
Q820
KTC3199 GR
10.1V
R821
220
10.7V
10.7V
3
0V
R823
2
5V
47K
0V 1
ZD820
MTZJ110A
+B
POSISTOR
Q841
2SD2012 +B
12.5V
22.3V
Q840
KTC3199 GR
R841
100
13.7V
C840
100/16
C843
0.022
+B
6V
18V
RP870
6.7V POSISTOR
R879
470
C880
R881
100/16
470
4
– 52 –
IC201
STK40705
POWER AMP.
15
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
3µH
0.022
0V
2
0V
R260
0.2 (1W)
L204
3µH
R266
4.7
C218
0.1 (ML)
R228
4.7
C220
0.1 (ML)
C237
4700/50
C238
4700/50
+B
POSISTOR
RP821
C888
6800/25
RP841
Q861
2SD2012
13V
22.3V
13.6V
Q860
14.2V
KTC3199 GR
R861
220
C860
100/16
5
D203
1SS1
3
5V
1
D206
1SS133
FR896
POSISTOR
R862 Q863
680
KRA102
14.2V
0V 2
0V
14.2V
0
ZD861
MTZJ13C
6