Read Sharp XL-60 (serv.man25) Service Manual online
XL-60H/70H
– 26 –
Figure 26 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 21.
R366
2.2K
2.2K
Q172
KRC102 M
KRC102 M
C372
1/50
1/50
C371
1/50
1/50
C398
100/10
C380
10/16
D522
1N4148
1N4148
C301
0.001
0.001
C349
0.001
0.001
CNP301
2
1
L342
2.2mH
2.2mH
C351
0.022
R351
5.6K
R336
10K
10K
VR351
10K(B)
10K(B)
L353
1mH
1mH
FE301
8 7 6 5
4
3
2
1
C346
0.022
C345
0.022
R369A
68
R369B
82
82
R345
4.7K
C348
100/16
R343
180
C341
0.022
0.022
C347
0.022
0.022
R346
330
330
CF301
R344
680
680
R348
680
680
R347
6.8K
R349
33
R323
68K
68K
C334
27P(UJ)
27P(UJ)
C335
560P
560P
C337
0.022
T306
VD301
SVC348S
SVC348S
C329
0.022
0.022
C331
0.047
0.047
C332
0.022
0.022
L341
BALUN
BALUN
7
6
5
4
3
2
R141
330
330
R114
3.3K
R112
2.2K
2.2K
D104
1N4148
1N4148
R132
4.7K
4.7K
C123
2.2/50
2.2/50
R111
2.2K
2.2K
R133
1K
1K
R131
4.7K
4.7K
R113
3.3K
3.3K
C126
22/16
22/16
R134
100K
100K
C125
100/25
100/25
C110
0.015
(ML)
0.015
(ML)
R106
150K
150K
C106
270P
270P
R108
10K
10K
R104
120
120
C112
10/16
10/16
R110
3.9K
3.9K
IC102
BA3311L
REC./P.B.
EQUALIZER
AMP.
REC./P.B.
EQUALIZER
AMP.
12
11
10
9
8
7
6
5
4
3
2
1
C108
47/16
47/16
R105
150K
R109
3.9K
3.9K
R107
10K
10K
C107
47/16
47/16
R103
120
120
C109
0.015
(ML)
0.015
(ML)
C111
10/16
10/16
C103
330P
330P
C104
330P
330P
C105
270P
270P
R124
4.7K
4.7K
R123
4.7K
4.7K
R125
100K
100K
R120
100
100
R119
100
100
C129
4.7/25
4.7/25
C130
4.7/25
4.7/25
C116
0.0022
0.0022
R117
22K
22K
C115
0.0022
0.0022
R118
22K
22K
C114
4.7/25
C117
10/16
10/16
R121
4.7K
4.7K
R126
5.6K
5.6K
R122
4.7K
4.7K
C113
4.7/25
4.7/25
R115
15K
15K
R116
15K
15K
L151
330
330
µ
H
R156
150
150
R157
150
150
R155
56
56
R153
10K
10K
R154
10K
10K
Q171
KRA102 M
KRA102 M
C155
100/16
C153
0.0039
0.0039
R151
47K
47K
C154
0.027
(ML)
0.027
(ML)
R152
100K
100K
C122
82P
82P
R102
1K
1K
C102
0.001
R138
330
R140
10K
10K
C101
0.001
0.001
IC101
BA3126N
9
8
7
6
5
4
3
2
1
R139
2.7K
C121
82P
82P
R101
1K
1K
C131
820P
CNP101
8
7
6
5
4
3
2
1
BI901
R910
33K
33K
R909
18K
C901
0.001
0.001
R902
56K
56K
D901
1N4148
D902
1N4148
C903
100/25
100/25
C902
3.3/50
3.3/50
R907
10K
R903
47K
47K
R904
270
270
R901
1.5K
1.5K
R905
10K
10K
R906
1.5K
1.5K
C905
0.022
0.022
C904
0.022
0.022
D904
1N4148
1N4148
D903
1N4148
1N4148
C391
47/16
47/16
X351
456KHz
456KHz
R361
12K
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
L354
IC302 PLL(TUNER)
LC72131
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
C302
0.001
0.001
D301
1N4148
C330
12P(CH)
12P(CH)
T302
R353
270
T351
CF352
C350
0.022
0.022
C352
10/16
R352
1K
1K
C353
0.022
C354
0.022
CF351
C363
0.022
C364 10/16
C365
0.022
R358
8.2K
8.2K
C343
33P
33P
C361
0.022
C362
3.3/50
C360
0.022
0.022
R382
330
330
C394
47/16
C397
0.022
R386
330
330
R381
10K
C393
1/50
1/50
R380
1.5K
1.5K
R379
2.2K
C392
0.001
C387
0.022
C385
0.01
0.01
R377
5.6K
5.6K
R355
3.3K
C357
2.2/50
2.2/50
C358
1/50
C399
0.022
C356
0.001
R393
1K
1K
R395
47K
L351
100
100
µ
H
C370
1/50
C355
22P
C383
0.022
R387
5.6K
L352
100
100
µ
H
C395
0.022
0.022
C396
100/10
ZD351
MTZJ5.1B
MTZJ5.1B
R391
390
390
R392
390
Q351
KRC104 M
KRC104 M
R363
6.8K
R364
6.8K
C386
330P
R365
10K
X352
4.5MHz
4.5MHz
C381
12P(CH)
12P(CH)
C382
15P(CH)
15P(CH)
R374
1K
R373
1K
R372
1K
R371
1K
R359
1.8K
1.8K
R360
4.7K
4.7K
C384
0.001
0.001
Q360
KTA1266 GR
KTA1266 GR
R385
5.6K
5.6K
R383
5.6K
5.6K
R376
10K
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)
(10V)
0.3V
(8.3V)
(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
9.5V
0.8V
2.5V
9V
PD
R-CH
L-CH
TAPE
MECHANISM PWB-D/E
MECHANISM PWB-D/E
ERASE HEAD
RECORD/PLAYBACK
HEAD
HEAD
SOL901
SOLENOID
SOLENOID
M901
TAPE
MOTOR
-
+
1
2
2
1
PH901
PHOTE
INTERRUPTER
PHOTE
INTERRUPTER
SW901
FOOL
PROOF
FOOL
PROOF
CFM901
SW902
CAM
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
FM FRONT END
AM OSC.
AM ANT
1
2
3
4
5
7
6
6
CNS101
M
SO301
FM
ANTENNA
SOCKET
75 OHMS
D302
1N4148
D303
1N4148
D304
1N4148
1
2
3
8
7
6
5
4
3
2
1
0V
Q151
2SC2001 K
2SC2001 K
Q153
KRC104 M
KRC104 M
Q152
KTA1266 GR
KTA1266 GR
Q101
KTC3199 GR
KTC3199 GR
Q103
KTC3199 GR
KTC3199 GR
Q102
KTC3199 GR
KTC3199 GR
Q104
KTC3199 GR
KTC3199 GR
14
2.6V
IF IN
NC
NC
NC
0.6V
NC
Q106
KTC3199 GR
KTC3199 GR
Q105
KTC3199 GR
KTC3199 GR
Q903
KRC107 M
Q902
2SB562 C
2SB562 C
Q905
2SB562 C
2SB562 C
Q901
KRC102 M
1
3
2
Q904
KRC102 M
1
3
2
Q906
KRA102 M
1
2
3
4
5
7
6
6
1
2
3
4
5
7
6
6
CNS901
MAIN PWB-A1
1
2
AM LOOP
ANTENNA
ANTENNA
AM TRACKING fL
FM MUTE
LEVEL
AM BAND COVERAGE fL
FM IF
FM IF
Q301
2SC380 O
AM IF
1
2
3
1
2
3
FM IF
LOW PASS FILTER
1
2
3
AM IF
HEAD
SELECTOR
1 1
2
2
3
3
1
2
3
1
2
3
1
2
3
CNS703
P29 12-E
CD SIGNAL
RECORD SIGNAL
PLAYBACK SIGNAL
AM SIGNAL
FM SIGNAL
+B
+B
SWITCHING
+B
+B
FM RIPPLE
FILTER
FILTER
R384
6.8K
6.8K
+B
+B
+B
+B
SWITCHING
SWITCHING
SWITCHING
BIAS OSC
REC. BIAS
SWITCHING
SOLENOID DRIVER
TAPE MOTOR
DRIVER
DRIVER
SWITCHING
SWITCHING
SWITCHING
+B
+B
REC MUTE
REC MUTE
SWITCHING
+B
+B
C376
0.001
0.001
SURROUND
1
TP301
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