Sharp XL-520H - Schematic Diagram; Wiring Side of P.w.board

XL-520H,520E/CP-520,520E
– 20 –
Figure 20 SCHEMATIC DIAGRAM (1/4)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 29.
22 21 20
19 18
17 16 15 14
13 12
1110
98765
4321
24 23 22 21 20
19 18
17 16 15 14 13
121110
9
87
654
321
2
1
8765 43
21
13
5
9
12
7
6
11
8
10
2
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B +B
+B
+B
+B
+B
+B
+B
+B
+B
9.35V
0.1V
0.82V
0.716V
(0V)
0V(0V)
0V(0V)
0V(0V)
0V(0V)
0.71V
(0V)
0.72V(0V)
0V(0V)
0V(0V)
CD SIGNAL
RECORD SIGNAL
PLAYBACK SIGNAL
AM SIGNAL
FM SIGNAL
SWITCHING
FM MUTE
LEVEL
3
2
1
SWITCHING
SWITCHING
3
2
1
3
2
1
MW +B
2
SWITCHING
VOLTAGE
REGULATOR
SWITCHING
32
1
REC MUTE
SWITCHING
32
1
REC MUTE
REC SW
P/B SW
CONT
P/B SW
REC SW
SWITCHING
SWITCHING
3
2
1
BEAT CANCEL
SWITCHING
BEAT CANCEL SWITCHING
BIAS OSC.
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
AM IF
FM AFC
AM OSC IN
AM OSC OUTFM IF IN
REG AM MIX OUT
AM RF IN
GND AM IF IN
SD
AM LOW CUT
FM/AM OUT
STEREO FM DET VCC
MPX VCO
MPX IN
IF OUT PHASE PHASE (AM/FM)
MO/ST
L-CH OUT
R-CH OUT
VSM
L.P.F.
MW ANT.
LW ANT.
MW OSC.
LW OSC.
MW/LW
LOOP
ANTENNA
BALUN
FM 75ohms
ANTENNA
TERMINAL
FM FRONT END
ANT.
GND GND
VCC
VT
F OUT
GND
IF OUT
VSS
AOUT
X OUT
AIN
PD
VDD
FM IN
AM IN
NC
MO/ST
SW
IF REQ
IF IN
DO FM
MW
FM CL DI CE NC X IN
3
1
TAPE L
TAPE R
REC R
REC L
FM+B
+
–
–
+
ALC
MUTE
150K
150K
3
2
1
32
1
BOTTOM
GND
MECHA
GND
RECORD/PLAYBACK
HEAD
ERASE HEAD
R-CH
L-CH
VT
MAIN PWB-A1
R335
100K
C328
0.022
VR351
10K(B)
Q155
KTC3199GR
Q172
KRC102M
R121
4.7K
C370
1/50
VD301-1
KV1236Z23F
VD301-2
KV1236Z23F
C337
0.022
CNP301
SO301
IC101
BA3126N
HEAD SELECTOR
R138
330
CNS101 CNP101
C645
330P
R113
3.3K
R114
3.3K
R141
330
C131
820P
(BK)
C122
82P
R139
2.7K
C121
82P
R370
270
R120
100
R119
100
R112
1K
R111
1K
R361
12K
R362
12K
R387
5.6K
C374 0.018
C373
0.018
C371
1/50
D104
1SS133
R132
4.7K
Q106
KTC3199GR
R155
56
R157
150
R156
150
R103
120
R137
4.7K
R136
10K
D105
1SS133
D106
1SS133
Q171
KRA102M
R140
10K
C101
470P
C102
470P
R102
1K
R101
1K
Q107
KRC104M
R104
120
R153
10K
R154
10K
C118 0.022
R106
150K
R134
100K
C126
22/16
R133
1K
R131
4.7K
Q105
KTC3199GR
R127
3.9K
R129
3.3K
R105
150K
C109
0.015
(Ra)
R107
10K
R109
3.9K
C119
0.01
C107
47/16
C111
10/16
C112
10/16
C110
0.015(Ra)
R108
10K
IC102
BA3311L
REC./P.B. EQUALI ZER
R130
3.3K
R135
680K
C125
100/25
R110
3.9K
R128
3.9K
C120
0.01
D102
1SS133
D101
1SS133
C105
270P
C104
330P
C123
2.2/50
C124
47/16
C108
47/16
C106
270P
C103
330P
C152
0.001
C151
180P
R160
5.6K
R159
5.6K
Q154 KTC3199GR
C156
0.022
C153
0.0039
(ML)
C154
0.027
(ML)
R151
47K
R152
100K
Q153
KRC104M
C155 47/16
Q152
KTA1266GR
Q151
2SC2001-K
L151
330µH
R116
15K
C113
4.7/25
C114
4.7/25
R126
5.6K
C130
4.7/25
C129
4.7/25
R123
4.7K
R124
4.7K
R122
4.7K
R117
22K
R118
22K
Q103
KTC3199GR
Q101
KTC3199GR
Q104
KTC3199GR
Q102
KTC3199GR
C117
10/16
R125
100K
C116
0.0022
C115
0.0022
R115
15K
L341
R392
390
R391
390
L352
100µH
L342
2.2µH
L351
100µH
IC302
LC72131
PLL(TUNER)
IC303
LA1832
FM IF DET./
FM MPX./AMIF
C376
220P
C377
220P
C378
220P
C379
220P
R371
1K
R372
1K
R373
1K
R374
1K
C383 0.022
R376
10K
C386
330P
R386
330
R393
1K
C323
0.022
R351
5.6K
R395
47K
X351
Q351
KRC104M
CF302
R397
1K
Q362
KRA107M
X352
4.5MHz
C384
0.001
C382
15P(CH)
C381
12P(CH)
R377
5.6K
R359
1.8K
C380
1/50
C392
0.001
R365
10K
R360
4.7K
R382
330
R381
10K
C393
1/50
R380
1.5K
R379
2.2K
C394
47/16
C385
0.01
C387
0.022
C397
0.022
R384
12K
R383
5.6K
R385
5.6K
C391
47/16
Q360
KTA1266GR
L353
1mH
C342 0.022
R358
8.2K
CF351
C364
10/16
C356 0.001
R363
3.3K
R364
3.3K
C395
0.022
C396
100/10
ZD351
UZ5.1BSB
C357
2.2/50
C358
1/50
R352
1K
C398
100/10
C352
10/16
R355
3.3K
R353
270
C355
22P
C399 0.022
C354 0.022
C353
0.022
C350
0.022
C344
33P
C351
0.022
CF352
T351
R357
470K
R356
1K
R350
2.7K
C372
1/50
C368 1/50
C367
1/50
C362
3.3/50
C369 56P
C366
0.001
C365
0.022
C363
0.022
L354
C361
0.022
C343
33P
C360 0.022
FE301
S0007AW
R348
680
C346
0.022
C347
0.022
C345
0.022
C341
0.022
R347
6.8K
R349
33
Q301 2SC380-O
CF301
R346
330
R343
330
R345
4.7K
R344
680
R369
120
R336
4.7K
C340
0.001
C301
0.001
D303
1SS133
D304
1SS133
R331
5.6K
Q302
KTC3199GR
C339
22P
(CH)
C322
10P
(CH)
C331
0.047
C332
0.022
C333
0.022
C330
8.2P
(UJ)
R319
100K
T301
T302
R334
5.6K
Q304
KTC3199GR
C324
27P
(UJ)
C325
220P
C329
33P(CH)
C334
18P
(UJ)
C327
680P
C326
18P
(CH)
C336
470P
C335
18P
(CH)
R324
100K
R337
470
R333
5.6K
R332
100K
R323
68K
Q303
KTC3199GR
T306
T305
C338
0.001
C302
0.001
D302
1SS133
D301
1SS133