Sharp XL-HP700 Service Manual page 18

XL-HP700
A
B
C
CNS9
R-CH
8
A_GND
7
L-CH
6
P25 11 - D
CD_GND
5
CNP9
D_5V
4
TO CD SERVO PWB
A-5V
D
3
D_GND
2
LD+8V
1
E
TAPE MECHANISM
F
Ass'y(210)
ERASE HEAD
6 6
5 5
4 4
3 3
2 2
1 1
HEAD PLATE
G
BLOCK(210-1)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
MAIN PWB-A1(2/3)
R619
330
L-CH
1
A_GND
2
R618
330
R-CH
3
BI901
9
8
C641
7
0.001
6
+B
5
+B
4
3
C642
2
0.001
+B
1
LD_+8V
7
CD_D_GND
13
A_+5V
11
D_+5V
10
CD_D_GND
15
CD_A_GND
16
R146
10K
9.3V
8.6V
Q112
9.3V
KTA1266 GR
Q102
2SC1845 F
0V
R104
BI102
2.2K
0.7V
0V
ERASE
0.7V R106
8
3.3K
M_GND
7
T2_R2 C104
0V
6
Q104
180P
A_GND 2SC1845 F
5
T2_R1
4
T2_L1
3
T2_L2
2
1
Q103
C103
2SC1845 F
0V
0.7V
180P
R105
3.3K
0V
0.7V
R103
2.2K
0V Q101
2SC1845 F
2 3
Figure 18 SCHEMATIC DIAGRAM (3/11)
FM SIGNAL
CD SIGNAL
AUX SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
R605
10K
R613
390
R611
R607
R617
2.2K
2.2K
C635
C637
0.001
0.001
C638 C636
0.001 0.001
R610
R616
2.2K
2.2K
R645 18K
R646 18K
R149 150
Q113
C141
KRC104 M
100/16
R147
10K
3.4V
0V
2 3
0V
R148 1
4.7K
1
3
0V
2
3.4V
Q114
KRC104 M
R112
15K
R116
R108
56
47K
C112
100/16
0V
C114
0V
0.033
C110
R114
330P
1K R118 R120
0V
100K 3.9K
24 23 22
–
+
Hich=T1
+
–
1 2 3
C109
R117 R119
R113
330P 100K 3.9K
1K
0V
C113
0V
0.033
C115
C111
560P
0V
100/16
R107 R115
47K 56
R111 15K
4
– 18 –
R601 1K
R602
1K
IC601
LC75341
AUDIO PROCESSOR
1
DI
CE
C609
2
CCB
1/50
VSS INTERFACE
3
LOUT
4
C607
0.15
3.9K
LBASS
5
C605
C611 LTRE
0.12
6
0.0022
C613 1/50 LIN
7
C615
LSEL0
8
4.7/50
1/50
C617
L4
9
C631
1/50
C619 L3
10 DECK
0.0047
C621 1/50 L2
11 TUNER
L1
12
C623
1/50
REC_R
R138
0.7V
0V
R122
12K
C116
R124
560P
6.8K
R128
C126
5.6K
22/16
21 20 19 18 17
–
112K
+
Hich=CHROME
+
112K
–
4 5 6 7 8
R129
5.6K
R123
6.8K
5
V
– +
R
RB
R
RS
AUX
CD
R136
220K
K
R139
10K 10K
0.7V
16 15 14
56K
56K
9 10 11
6