Schematic Diagram / Wiring Side Of P.w.board; Notes On Schematic Diagram - Sharp XL-520W Service Manual

XL-520W/CP-520
AM TRACKING fL
A
D301
1SS133
D302
1SS133
AM LOOP
ANTENNA
COVERAGE fL
B
1
2
C337
0.022
C349
0.022
ANTENNA
TERMINAL
SO301
C
FM 75OHMS
C319
18P
1 2 3 1 2 3
(CH)
BF301
D
E
RECORD/PLAYBACK
HEAD
L-CH
1
2
3
4
5
6
R-CH
7
8
ERASE HEAD
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 29.
1
VD301-1
R319
KV1236Z23F
100K
C330
C331 C332 C333
8.2P
0.047 0.022 0.022
T302 (UJ)
C301
0.001
TP302
R321
22
VD301-2
R324
T306
KV1236Z23F
100K
R323
68K
C334
C335
C336
AM BAND
18P
18P
470P
(UJ)
(CH)
FM BAND
COVERAGE fL
R310
4.7K
Q305
2SC535C
R304 R305
R301 47K 680
22
FM IF
T304
C312
C303
33P
0.001
R307
47
C318
4.7P
4 5 6 7 8 9
FM FRONT END
IC301
TA7358AP
FM SIGNAL
AM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
HEAD SELECTOR
IC101
R101
BA3126N 1K
REC SW
1
C101
2
470P
1 3
R140 P/B SW
2 10K CONT
4
C121
3
82P
4 5
5
R139
6
2.7K
6
P/B SW
7 7
C102
8
470P
8
9
R138 REC SW
330
R102
1K
C122
82P
C151
180P
1
C152
2 3 0.001
Q171
KRA102M
SWITCHING
2
3
Q172
KRC102M 1
+B
SWITCHING
MAIN PWB-A1
2
Figure 20 SCHEMATIC DIAGRAM (1/4)
C342
0.022
R358
C343
8.2K
33P
L353
1mH
VR351
10K(B)
FM MUTE
LEVEL
24 23 22 21
R351
5.6K
IC303
LA1832
1 2 3
R352
1K
CF352
C350
1
0.022
2
T351
AM IF
+B
C394
C397
0.022 47/16
2
R382
330
1
3
R381
10K
R386
CF302
R380
330
1.5K
Vr
TP301
C393
1/50
C381
12P(CH)
22 21 20
R309
820 IC302
X352
LC72131 PLL CONTROLLER
4.5MHz
1 2 3
C382
15P(CH)
C384
0.001
MW +B
R115
15K
SWITCHING SWITCHING
Q101
Q103
R117
KTC3199GR KTC3199GR
22K
C115
C113 C129
0.0022
4.7/25 4.7/25
R121
R123
4.7K R119
4.7K
56
SWITCHING
SWITCHING
Q102
R126
Q104
KTC3199GR
5.6K
KTC3199GR
R118
C130
22K
4.7/25
R124 C116
R122
4.7K 4.7K 0.0022
R120
56
C117 R125
10/16
100K
R116
15K
Q152
R151 R152
KTA1266GR
47K 100K
+B
C153
R154
0.0039
10K
(P.P)
R159
Q151
5.6K
2SC2001-K
BIAS OSC.
R153
R160
10K
5.6K
C154
3
L151 2
0.027
330µH
C156
(ML)
0.022
1
Q153
KRC104M
SWITCHING
3 4
– 20 –
20 19 18 17 16 15
FM IF DET./
FM MPX./AM IF
4 5 6 7 8 9 10 11
C358
1/50
R353
270
C357
2.2/50
3
C370
1/50
R393
1K
R377
5.6K
L351
100µH
C385
R379
0.01
2.2K
C386
330P
19 18 17 16 15 14 13 12
R365
10K
4 5 6 7 8 9 10 11
R359
R360
1.8K
4.7K
R105
150K
R103 R109
R107
3.9K
120 10K
C109
0.015
C107
(ML)
47/16
C111
10/16
REC./P.B. EQUALI ZER
C105
270P
3 1
IC102
5
150K
BA3311L
C103 –
330P +
ALC
MUTE
+
9 –
C104
150K
330P
6 7
C106 11 12
270P
C110
C108
R104
47/16 0.015(ML)
120
R110
R108
10K 3.9K
R106
150K
R157
150
R155 R156
56 150
+B
5
R364 R363
1
3.3K 3.3K
C373
0.018
2 3
Q351
KRC104M
SWITCHING
C371
1/50
C372
1/50
R361 R362
15K
15K
14 13
12
R355
3.3K
ZD351
MTZJ5.1B
L352
C396
100µH 100/10
C395
0.022
R391
390
R392
390
Q360
KTA1266GR
+B
R383
5.6K
R385
5.6K
R384
12K C391
47/16
REC L
REC R
TAPE
TAPE
+B
R127 R111
1K
3.9K
R129
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
1SS13
1SS133
KRC104M
SWITCHING
C112
R112
10/16
1K
R128
R132
R130
3.9K
3.3K 4.7K
D104
Q106
1SS133
KTC3199GR
REC MUTE
+B
CNP60
6