XL-30 (serv.man7). Diagrams - Sharp Audio Service Manual (repair manual). Page 5

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XL-30H/30W
– 24 –
Figure 24 SCHEMATIC DIAGRAM (1/6)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
R366
2.2K
Q172
KRC102 M
C372
1/50
C371
1/50
C398
100/10
C380
10/16 
C301
0.001
C349
0.001
CNP301
2
1
C351
0.022
R351
5.6K
R336
10K
VR351
10K(B)
L353
1mH
R323 68K
C334
27P(UJ)
C335
560P
C337
0.022
T306
VD301
SVC348S
C329
0.022
C331
0.047
C332
0.022
7
6
5
4
3
2
1
R141
330
R114
3.3K
R112
2.2K
D104
1N4148
R132
4.7K
C123
2.2/50
R111
2.2K
R133
1K
R131
4.7K
R113
3.3K
C126
22/16
R134
100K
C125
100/25
C110
0.015
(ML)
R106
150K
C106
270P
R108
10K
R104
120
C112
10/16
R110
3.9K
IC102
BA3311L
REC./P.B.
EQUALIZER
AMP.
12
11
10
9
8
7
6
5
4
3
2
1
C108
47/16
R105
150K
R109
3.9K
R107
10K
C107
47/16
R103
120
C109
0.015
(ML)
C111
10/16
C103
330P
C104
330P
C105
270P
R124
4.7K
R123
4.7K
R125
100K
R120
100
R119
100
C129
4.7/25
C130
4.7/25
C116
0.0022
R117
22K
C115
0.0022
R118
22K
C114
4.7/25
C117
10/16
R121
4.7K
R126
5.6K
R122
4.7K
C113
4.7/25
R115
15K
R116
15K
L151
330
µ
H
R156
150
R157
150
R155
56
R153
10K
R154
10K
Q171
KRA102 M
C155
100/16
C153
0.0039
R151
47K
C154
0.027
(ML)
R152
100K
C122
82P
R102
1K
C102 0.001
R138
330
R140
10K
C101
0.001
IC101
BA3126N
9
8
7
6
5
4
3
2
1
R139 2.7K
C121
82P
R101
1K
CNP101
8
7
6
5
4
3
2
1
BI901
R910
33K
R909
18K
C901
0.001
R902
56K
D901
1N4148
D902
1N4148
C903
100/25
C902
3.3/50
R907
10K
R903
47K
R904
270
R901
1.5K
R905
10K
R906
1.5K
C905
0.022
C904
0.022
D904
1N4148
D903
1N4148
C391
47/16
X351
456KHz
R361
12K
C368
1/50
R356
1K
R357
470K
R362
12K
C369
56P
C374
0.015
C373
0.015
R350
2.7K
C367
1/50
C366
0.001
IC302   PLL(TUNER) 
LC72131 
22 21 20
19
18
17 16 15 14 13 12
11
10
9
8
7
6
5
4
3
2
1
C344
33P
IC303 FM IF DET./FM MPX./AM IF
LA1832S 
24 23
22
21
20
19 18
17
16
15
13
12
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
CF302 
D301
1N4148
C330
12P(CH)
T302
R353
270
T351
CF352 
C350
0.022
C352
10/16
R352
1K
C353
0.022 
C354
0.022
CF351 
C363
0.022 
C364
10/16 
C365
0.022
R358
8.2K
C343
33P
C361
0.022 
C362
3.3/50
C360
0.022
R382
330
C394
47/16
C397
0.022
R386
330
R381
10K
C393
1/50
R380
1.5K
R379
2.2K
C392
0.001
C387
0.022
C385
0.01
R377
5.6K
R355
3.3K
C357
2.2/50
C358
1/50
C399
0.022
C356
0.001
R393
1K
R395
47K
L351
100
µ
H
C370
1/50
C355
22P
C383
0.022
R387
5.6K
L352
100
µ
H
C395
0.022
C396
100/10
ZD351
MTZJ5.1B 
R391
390
R392
390
Q351
KRC104 M
R363
R364
R363
R364
6.8K
6.8K
3.3K
3.3K
C386
330P
R365
10K
X352
4.5MHz
C381
12P
(CH)
C382
15P(CH)
R374
1K
R373 1K
R372 1K
R371 1K
R359
1.8K
R360
4.7K
C384
0.001
Q360
KTA1266 GR
R385
5.6K
R383
5.6K
R376
10K
D
GND
U_CON5V 
SOL 
MOT 
REC 
RUN_PLS 
BIAS
B_CAN 
TAPE_SW 
(0V)
(0V)
1.5V
1.5V
0.3V
0.3V
(0.8V)
(0.8V)
(0.8V)
(0.8V)
0.3V
0.3V
8V
(10V)
0.3V
(8.3V)
0V
0V
0V
0V
0V
0V
(11.7V) 
11.7V 
(0V)
0V
(0V)
2.6V
(0V)
7.8V
8.3V
(0V)
4.7V
3.2V
0.7V
0V
11.9V 
11.8V 
11.8V
11.7V 
11.7V 
11.7V 
0V
4.4V
0.6V
4.9V
4.9V
10.1V 
10.2V
4.6V
4.6V
0V
0V
0V
0V
0V
0.6V
0.7V
0.7V
0.9V
0.9V
5.2V
(0V)
2.6V
(2.6V)
3.9V
(0V)
(0V)
3.5V
3.7V
(11.4V)
1.7V
5.1V
4.8V
0.1V
0.1V
2.6V
0V
0V
0V
10.9V
10.8V
11.7V
(0V)
4.7V
(2.7V)
(2.7V)
0.6V
(0.9V)
2.3V
(0V)
2.3V
1.3V
1.3V
4V
(2.2V)
(1.2V)
3.8V
(1.9V)
3.8V
(4.3V)
2.9V
0V
0V
0V
5V
5V
5V
5V
5V
2.5V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
PD
R-CH
L-CH
TAPE
MECHANISM PWB-D/E
ERASE HEAD 
RECORD/PLAYBACK 
HEAD 
SOL901
SOLENOID
M901
TAPE
 MOTOR
- 
+ 
1
2
2
1
PH901 
SW901
FOOL
PROOF 
CFM901
SW902
CAM 
CNP901
M  12V 
TO DISPLAY PWB
VT
FM
FM
MUTE
TAPE  R
TAPE  L
REC  R 
REC  L 
VSM
AM RF
(AM/FM) 
PHASE 
PHASE 
IF OUT
VCC 
FM DET
STEREO
SD
GND 
AM IF IN
REO
AM MIX
OUT
OUT
OUT
OUT
IN
IN
IN
CUT
AM LO FM/AM OUT
MPX VCO
MPX IN
MO/ST
L-CH
R-C
FM IF
FM AFC
AM OSC
AM OSC
CE
DI
CL
DO
MO/ST 
IF REQ 
AM  IN
FM  IN
VDD
AIN
AOUT
VSS
X OUT
X IN
AM OSC.
AM ANT
1
2
3
4
5
7
6
CNS101
M 
D302
1N4148
8
7
6
5
4
3
2
1
0V
Q151
2SC2001 K
Q153
KRC104 M
Q152
KTA1266 GR
Q101
KTC3199 GR
Q103
KTC3199 GR
Q102
KTC3199 GR
Q104
KTC3199 GR
14
2.6V
IF IN
NC
NC
NC
0.6V
NC
Q106
KTC3199 GR
Q105
KTC3199 GR
Q903
KRC107 M
Q902
2SB562 C
Q905
2SB562 C
Q901
KRC102 M
1
3
2
Q904 KRC102 M
1
3
2
Q906
KRA102 M
1
2
3
4
5
7
6
1
2
3
4
5
7
6
CNS901
MAIN  PWB-A1 
ANTENNA
TERMINALS 
AM TRACKING
FM MUTE
LEVEL 
AM BAND COVERAGE fL 
FM IF 
AM IF 
1
2
3
1
2
3
FM IF 
1
2
3
AM IF 
HEAD
SELECTOR
1 1 
2 
2 
3 
3 
1 
2 
3 
1
2
3
1
2
3
CNS703
P27 12-D
CD  SIGNAL 
RECORD  SIGNAL 
PLAYBACK  SIGNAL 
AM  SIGNAL 
FM  SIGNAL 
+B
+B
SWITCHING
+B
+B
FM RIPPLE
FILTER
R384
6.8K
+B
+B
+B
SWITCHING
SWITCHING
SWITCHING
BIAS OSC
REC. BIAS
SWITCHING
SOLENOID DRIVER
TAPE MOTOR
DRIVER
SWITCHING
SWITCHING
SWITCHING
+B
+B
+B
REC MUTE
REC MUTE
SWITCHING
+B
+B
C376
0.001
D306
1N4148
D305
IN4148
R302  100K
C315
100P
C316
10/16
C317
0.022
C310
0.022
C311
10P(CH)
C312
33P
R307
47
R306
10
C314
22P(CH)
CF303
FM RF
10.7MHz
VD302
KDV147C
R308
10K
R313   680
R314
33
Q306
2SC535 C
FM
IF
AMP.
0.7V
1V
0.8V
1.5V
5.2V
1.5V
0V
5.2V
4.4V
3.8V
5.2V
L303
FMIF
FM RF
FM BAND
COVERAGE
fL
FM OSC
R301
22
R315
33
R310
4.7K
R309
470
R304
47K
R305
680
R312
2.2K
R316
330
VD303
1
1
2
3
4
5
6
7
8
9
2 3
IC301
FM  FRONT  END
TA7358AP
C305
0.0047
C307
0.0047
C306
9P(UJ)
C304
0.01 
C319
18P
(CH)
C308
0.022
C309
0.001
C313
6P(UJ)
BF301
BAND PASS
FILTER
L302
C318
5P
C303
0.001
KDV147C
R303 33K
T304
Q305
2SC535 C
0.8V
0V
2.4V
0.1V
1
2
3
AM
GND
FOR
XL-30W
CNP301
2
1
3
AM
GND
FM
SO301
XL-30W
ONLY
FM
FOR
XL-30H
TP301 
PHOTE
INTERRUPTER 
XL-30H      XL-30W
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