XL-HP404 (serv.man9). (6) Circuit schematics and parts layout - Sharp Audio Service Manual (repair manual). Page 4

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XL-HP404E/HP404H
6 – 4
Figure 6-4 SCHEMATIC DIAGRAM (3/14)
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
A
B
C
D
E
F
G
H
1
2
3
4
5
6
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0V
0V
0V
0.7V
0.7V
0V
0V
0V
9.3V
8.6V
9.3V
0V
3.4V
0V
0V
3.4V
0V
0.7V
0.7V
0V
TAPE MECHANISM
Ass'y(213)
6-11 11 - E
CNP2
TO CD SERVO PWB
CD SIGNAL
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
5
4
3
2
1
16
17
18
19
6
7
8
9
13
14
15
10
11
12
REC_R
SPARE
D_GND
LD+8V
+B
+B
+B
+B
A-5V
D_5V
+B
+B
+B
CD_GND
L-CH
A_GND
R-CH
2
3
1
6
8
7
5
4
8
9
7
6
5
4
3
2
1
LD_+8V
CD_D_GND
A_+5V
D_+5V
CD_GND
CD_A_GND
TO
MAIN
P
WB(2/2)
XL-404H:
6-8
1
-
E
~H
XL-404H:
6-6
1
-
E
~H
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
ERASE HEAD
PLAYBACK
H
EAD
RECORD/
R-CH
L-CH
6
3
7
8
5
4
1
2
6
3
5
4
1
2
6
3
5
4
1
2
MAIN PWB-A1(1/2)
R-CH
L-CH
1
2
3
7
23
11
10
26
24
A_GND
TO
MAIN
PWB(2/2)
6-6
1
-
D
– +
– +
– +
–+
–+
–+
+
– +
CCB
INTERFACE
AUX
DECK
TUNER
CD
112K
56K
112K
56K
Hich=CHROME
+
+
Hich=T1
+
+
Nor/CrO2
RIPPLE
ALC
ALC
VCC
LSEL0
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
L1
L2
L3
L4
LIN
LTRE
LBASS
LOUT
VSS
CE
DI
2
2
1
1
3
3
PLAYBACK SIGNAL
RECORD SIGNAL
HEAD PLATE
BLOCK
2.2K
180P
3.3K
KTC3200 GR
KTC3200 GR
47K
4.7K
KTC3875
G
R
0.0015
15K
12K
6.8K
47/25
330P
1K
100/16
56
560P
0.033
100K 3.9K
12K
56
330P
1K
100/16
560P
47/25
6.8K
0.033
100K
3.9K
1.5K
270P
4.7K
68K
100
22/16
0.022
220/10
10K
22/16
0.0033
47/25
5.6K
0.022
LC75341
AUDIO PROCESSOR
AN7345K
PLAYBACK
A
ND
RECORD/
220P
220P
1K
1K
3.3/50
0.022
22/16
5.6K
4.7K
270P
1.5K
100
0.022
10K
47/25
0.0033
180P
KTC3200 GR
3.3K
2.2K
KTC3200 GR
47K
4.7K
KTC3875
G
R
0.0015
100/16
4.7K
KRC104 S
15K
KRC104 S
10K
10K
KTA1504 GR
150
22K
22K
22/50
2.2/50
0
1K
0.0022
220P
1/50
1/50
1/50
3.3K
0
0.15
0.15
1/50
0.0022
1/50
10K
4.7/50
1/50
330
330
2.2K
2.2K
390
2.2K
3.3K
2.2K
KTC3875
GR
KTC3875
GR
KTC3875
GR
390
KTC3875
GR
3.3K
220K
10K
10K
KTC3875
KTC3875
G
R
BI601
CNS2
BI102
CNS102
R103
C103
R105
Q103
Q101
R107
R109
Q105
C105
R111
R121
R123
C117
C109
R113
C111
R115
C115
C113
R117 R119
R122
R116
C110
R114
C112
C116
C118
R124
C114
R118 R120
R130
C124
R126
R150
R132
C133
C135
C134
R134
C130
C132
R128
C128
IC601
IC101
C651
C652
R601
R602
C143
C121
C125
R129
R127
C123
R131
R133
C127
R135
C131
C129
C104
Q104
R106
R104
Q102
R108
R110
Q106
C106
C141
Q114
R112
Q113
R147
R146
Q112
R149
R621
R620
C640
C639
R645
R609
C625
C653
C621
C619
C617
R607
R05
C605
C607
C615
C613
C611
C609
R605
C623
R619
R618
R611
R610
R613
R617
R615
R616
Q604
Q603
Q601
R612
Q602
R614
R136
R139
R138
Q107
Q108
R148
C126
FM SIGNAL
AUX SIGNAL
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