Sharp XL-505H - Schematic Diagram; Wiring Side of P.w.board

XL-505H,505E,507E/CP-505,505E,507
– 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 27.
AM BAND
COVERAGE
FM BAND
COVERAGE
FM RF
1
+B
+B
+B +B
+B
+B
+B
+B
+B
+B
321
+B
+B
+B +B
+B
+B
+B
+B
+B
+B
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
3
2
1
9
8
7
6
5
4
3
2
9
7
6
2
10
8
12
11
5
1
3
11
10
98
7
6
5
4321
1213
14
15
1617
18
19
20
21
22
123
4
5
6
7
8
9 10
11
12
1314
1516
17
18
1920
21
2223
24
9
4
3
7
5
6
8
12
FM MPX./ AM IF
FM IF DET./
PLL (TUNER)
HEAD SELECTOR
AMP.
EQUALIZER
REC./P.B.
ANTENNA
FM
AM LOOP
AM ANT.
AM
TRACKING
AM OSC.
LEVEL
FM MUTE
SWITCHING
VOLTAGE
REGULATOR
AM IF
3
2
1
RF AMP.
3
2
1
FM IF
BAND PASS FILTER
ERASE HEAD
RECORD/PLAYBACK
HEAD
R-CH
L-CH
SWITCHING
SWITCHING
SWITCHING SWITCHING
SWITCHING
SWITCHING
BEAT CANCEL
SWITCHING
0V
10.8V
(0V)
32
1
BEAT CANCEL
SWITCHING
BEAT CANCEL
BIAS OSC.
SWITCHING
SWITCHING
REC MUTE
SWITCHING
REC MUTE
(10.8V) 10.8V
(0.14V)
0V
(0.15V)
0V
(0.8V)
0.3V
(0.8V)
0.3V
(0.15V)
0V
11.4V
(0V)
0.3V
(0V)
4.7V
32
1
3
2
1
32
1
REC SW
P/B SW
P/B SW
CONT
REC SW
+
–
–
+
ALC
MUTE
150K
150K
VSS
X OUT
AOUT
AIN
PD
FM
MO/ST
IF REQ
IF IN
SW
NC
AM IN
FM IN
VDD
DO
MW
FM
CL DI CE
NC
X IN
32
1
AM OSC OUT
FM IF IN
AM OSC IN
AM MIX OUT
REG
FM AFC
AM RF IN
SD
STEREO
VSM
AM LOW CUT
FM/AM OUT
MPX VCO
MPX IN
MO/ST
R-CH OUT
L-CH OUT
VCC
IF OUT
PHASE
(AM/FM)
PHASE
FM DET
GND
AM IF IN
(CH)
(CH)
FM FRONT END
(ML)
(CH)
(UJ)
(UJ)
(CH)
(UJ)
(CH)
(CH)
FM+B
(ML)
TAPE L
TAPE R
REC R
REC L
VT
TP301
(UJ)
CE
DO
CL
DI
MAIN PWB-A1
IC101
BA3126N
R101
1K
VR351
10K(B)
R352
1K
BF301
Q172
KRC102 M
Q155
KTC3199 GR
C115
0.0022
C129
4.7/25
R121
4.7K
Q101
KTC3199 GR
C113
4.7/25
CNS101
CNP101
C373 0.018
R307
47
R110
3.9K
R138
330
C121
82P
CNP301
VD301-1
KV1236Z2
VD301-2
KV1236Z23F
R376
10K
C310
0.001
R120 180
R119
180
R112
2.2K
R111
2.2K
C360
0.022
C349
0.022
C333
0.022
R387
5.6K
C374
0.018
C371
1/50
D104
1SS133
R114
3.3K
R132
4.7K
Q106
KTC3199 GR
R155
56
R157
150
R156
150
R103
120
R137
4.7K
R136 10K
D105
1SS133
D106
1SS133
Q171
KRA102 M
R139
2.7K
R140
10K
C101
470P
C102
470P
R102
1K
Q107
KRC104 M
R104
120
R153
10K
R113 3.3K
R154
10K
C118 0.022
R141 330
R106
150K
R134
100K
C126 22/16
R133
1K
R131
4.7K
Q105
KTC3199 GR
R127
3.9K
R129
3.3K
R105
150K
C109
0.015/50
R107
10K
R109
3.9K
C119 0.01
C107
47/16
C111
10/16
C112
10/16
C110
0.015/50
R108
10K
IC102
BA3311L
R130
3.3K
R135
680K
C125
100/25
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
KTC3199 GR
C156
0.022
C153
0.0039
C154
0.027
R151
47K
R152
100K
Q153
KRC104 M
C155 47/16
Q152
KTA1266 GR
Q151
2SC2001 K
L151
330µH
R116
15K
C114
4.7/25
R126
5.6K
C130
4.7/25
R123
4.7K
R124
4.7K
R122
4.7K
R117
22K
R118
22K
Q103
KTC3199 GR
Q104
KTC3199 GR
Q102
KTC3199 GR
C117
10/16
R125
100K
C116
0.0022
R115
15K
C122
82P
R320
33
R321
22
C337
0.022
C376 220P
C377 220P
C378 220P C379 220P
R371
1K
R372
1K
R373
1K
R374
1K
C370
1/50
C383 0.022
C386
330P
R386
330
R393
1K
R351 5.6K
R392
390
R391
390
R395
47K
X351
Q351
KRC104 M
R361
12K
X352
4.5MHz
C384
0.001
C382
15P
C381
12P
L351
100µH
R377
5.6K
R359
1.8K
C380 1/50
C392
0.001
IC302
LC72131
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
5.6K
R383
5.6K
R385
5.6K
C391
47/16
Q360
KTA1266 GR
L353
1mH
R358
8.2K
IC303
LA1832
CF351
C364
10/16
C356 0.001
R363
3.3K
R364
3.3K
R362
12K
C395
0.022
C396
100/10
ZD351
UZ5.1BSB
L352
100µH
C357
2.2/50
C358
1/50
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
TP302
C372
1/50
C368 1/50
C367
1/50
C362 3.3/50
C369 56P
C366 0.001 C365 0.022
C363
0.022
C361 0.022
C343
33P
CF302
C342
0.022
R310
4.7K
C314 22P
C316
10/16
C317 0.022
R308 10K
VD302 KDV147C
R309
820
R305
680
C315
100P
R304
47K
Q305
2SC535 C
R301
22
L303
R303 33K
R302 100K
L302
D305
1SS133
C304 0.01
C306 6.8P
C303
0.001
C313 3.3P
R306
10
C311
15P
C312
33P
C309 0.001 C308 0.022 C307 0.0047 C305 0.0047
VD303 KDV147C
C318
4.7P
T304
IC301
TA7358AP
C319
18P
C331
0.047
C332
0.022
C330
8.2P
R319
100K
C336
470P
C335
18P
C334
18P
R336
4.7K
T302
R324
100K
R323
68K
T306
D302
1SS133
D301
1SS133