Schematic Diagram / Wiring Side Of P.w.board - Sharp XL-520H Service Manual

XL-520H,520E/CP-520,520E
A
C302
0.001
C323
0.022
C338
0.001
D301
1SS133
MW/LW
LOOP
B
D302
ANTENNA
1SS133
1
L341
2
BALUN
D303
1SS133
D304
1SS133
C301
0.001
C340
0.001
ANTENNA
TERMINAL
SO301
C
FM 75ohms
+B
L342
2.2µH
R369
120
8 7 6 5
D
FM FRONT END
E
RECORD/PLAYBACK
HEAD
L-CH
R-CH
ERASE HEAD
F
C645
330P
MECHA BOTTOM
GND GND
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 29.
1
VD301-1
R319
MW ANT. KV1236Z23F
100K
C330
C331 C332 C333
8.2P
0.047 0.022
0.022
T302 (UJ)
T301
SWITCHING
0V(0V)
Q302
KTC3199GR
C322 C339
0.72V(0V)
10P 22P
(CH) (CH)
LW ANT. R331
5.6K
0V(0V)
+B
VD301-2
R324
T306 KV1236Z23F
100K
R323
C335
68K C336
18P
470P R332
(CH)
C334 100K
0V(0V)
MW OSC.
18P
(UJ) 0.71V
C329
C326
C327
(0V)
33P(CH)
18P
680P
(CH)
R333
0V(0V)
5.6K
Q303
KTC3199GR
SWITCHING
0V(0V)
R334
C324
5.6K
C325
27P
220P
(UJ) 0.716V
(0V)
T305 0V(0V)
Q304
KTC3199GR
LW OSC.
C328 R337
SWITCHING
0.022
470
R335
100K
C337
0.022
2
R349
33
1 3
CF301
9.35V
R347
R346
6.8K
330
+B
C341
0.022 R370
270
4 3 2 1
FE301
S0007AW
FM SIGNAL
AM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
HEAD SELECTOR
IC101
R101
BA3126N 1K
REC SW
1
C101
2
470P
1 1 3
R140 P/B SW
2 10K
2 CONT
4
C121
3 3
82P
4 4 5
5 5
R139
6
2.7K
6 6
P/B SW
7 7 7
C102
8 8
470P
8
9
R138 REC SW
330
R102
1K
C131
820P
(BK)
C122
82P
1
2 3
Q171
KRA102M
SWITCHING
2
3
Q172
+B KRC102M 1
SWITCHING
MAIN PWB-A1
2
Figure 20 SCHEMATIC DIAGRAM (1/4)
R358
C343
8.2K
33P
L353
1mH
VR351
10K(B)
FM MUTE
LEVEL
24 23 22 21 20
R351
5.6K
IC303
LA1832
1 2 3
R352
1K
CF352
C350 3
1
0.022
2
T351
AM IF
+B
C394
C397
0.022 47/16
2
+B
C392
0.001
R382
330
1
3
R381
10K
R386
CF302
R380
330
VT
1.5K
C393
1/50
C381
12P(CH)
22 21 20 19
IC302
X352
LC72131 PLL(TUNER)
4.5MHz
1 2 3
C382
15P(CH)
R397
Q362
1K
KRA107M
SWITCHING 2 C377
3
220P
1
C384
0.001
C376
220P
+B
+B
R115
15K
SWITCHING SWITCHING
Q101
Q103
R117
KTC3199GR
KTC3199GR
22K
C115
C113 C129
0.0022
4.7/25
4.7/25
R121
4.7K R123
R119
4.7K
100
SWITCHING
SWITCHING
Q102
R126
Q104
KTC3199GR
5.6K
KTC3199GR
R118
C130
22K
4.7/25
R122 R124 C116
0.0022
4.7K 4.7K
R120
100
C117
R125
10/16 100K
R116
15K
Q152
R151 R152
KTA1266GR
47K 100K
+B
C151
180P
C153
R154
C152
0.0039
10K
0.001 (ML)
R159
Q151
5.6K
2SC2001-K
BIAS OSC.
R153
R160
10K
5.6K
C154
L151 3
2
0.027
330µH
C156
(ML)
0.022
1
Q153
R155
KRC104M
SWITCHING
3 4
– 20 –
L.P.F.
L354
19 18 17 16 15 14 13
FM IF DET./
FM MPX./AMIF
4 5 6 7 8 9 10 11
C358
+B
1/50
R353
270
C357
2.2/50
R355
3.3K
C370
1/50
+B
R393
1K
R377
5.6K
L351
100µH
C385
R379
0.01
2.2K
C386
330P
18 17 16 15 14 13 12
R365
10K
4 5 6 7 8 9 10 11
R359
R360
1.8K
C378 C379 4.7K
220P 220P
+B
R105
150K
R127
R103 R107 R109
3.9K
3.9K
120 10K
C109
R129
0.015
C107
(Ra)
47/16
C111
10/16
C105 REC./P.B. EQUALI ZER
270P
3 1
IC102
5
150K BA3311L
–
C103
330P +
MUTE ALC
+
9 –
C104
150K
330P
C106 11 6 7 12
270P
C110 C112
C108
R104
47/16 0.015(Ra) 10/16
120
R110
R108
10K 3.9K
R106
150K
R157
150
R156
56 150
+B
5
R364 R363
1
3.3K 3.3K
C373
0.018
2 3
R361
Q351
12K
KRC104M
SWITCHING
C371
1/50
R362
C372
12K
1/50
12
ZD351
UZ5.1BSB
L352
C396
100µH 100/10
C395
0.022
R391
390
R392
390
VOLTAGE
REGULATOR
Q360
KTA1266GR
+B +B
R383
5.6K R385
5.6K
R384
12K C391
47/16
REC L
REC R
TAPE R
TAPE L
+B
R111
1K
3.3K
R131
4.7K
Q105
KTC3199GR
REC MUTE
D101
1SS133
R134
100K
+B
8
R133
1K
R137
C125
10
4.7K
100/25
+B
2
D105
1SS133
C124
2 3
47/16
1
D106
D102
Q107
1SS133
1SS133
KRC104M
SWITCHING
R112
1K
R128
R130 R132
3.9K
3.3K 4.7K
D104
Q106
1SS133
KTC3199GR
REC MUTE
+B
6