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XL-65H (serv.man15). Schematic diagram - Sharp Audio Service Manual (repair manual)

xl-65h (serv.man15) service manual
Model
XL-65H (serv.man15)
Pages
12
Size
613.07 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Schematic diagram
File
xl-65h-sm15.pdf
Date
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Read Sharp XL-65H (serv.man15) Service Manual online

XL-55H/65H
– 20 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
24 23 
22  21 
1 2 3 
22 21 20 
1 2 
CHASSIS
GND
AM
ANTENNA
FM
75 OHMS
FM ANTENNA
SOCKET
2 
1 
(CH)
(UJ)
VT
AM  RF
REG 
AM  MIX OUT 
OUT
IN
IN
IN
FM  IF 
FM  AFC
AM  OSC
AM  OSC
AOUT
VSS
X  OUT
X  IN
AM ANT
AM OSC
AM TRACKING
FM MUTE LEVEL
AM BAND COVERAGE fL 
FM IF
FM IF
AM
1
TP301
2
3
1
2
3
8  7  6  5 
4 3 
2 
1 
MAIN  PWB-A1(1/3)
TUNER SECTION
0.001
0.001
0.001
0.022
0.001
68K 
27P 
560P
0.022
0.022 
1N4148
1N4148
1N4148
1N4148
BALUN
0.047 
0.022
12P 
SVC348S 
1mH 
8.2K
33P 
0.022 
3.3/50
0.022 
330P
33P 
10/16 
0.022 
5.6K
10K 
330 
330 
0.022 
10K 
1/5
15P(CH) 
0.001
4.5MHz
1K
LC72131 
PLL(TUNER) 
12P(CH) 
0.022 
FM  FRONT  END
68
82
2.2
µ
H 
0.022 
2SC380 O
33
680 
6.8K
330 
0.022 
680 
180 
0.022 
4.7K
100/16
0.022 
CNP301
C376
C301
C388
C390
C302
T306
R323
C334
C335
C337
C329
D301
D303
D304
D302
L341
T302
C331
C332
C330
VD301
VR351
L353
R358
C343
C361
C362
C360
C363
T351
C378
CF302
C344
C352
C351
R351
R336
R382
R386
C397
C394
R381
C3
C382
C384
R374
IC302
X352
C381
C350
L342
C346
C345
R369A
R369B
R345
C348
R343
C341
C347
R346
CF301
R344
R348
R347
R349
Q301
SO301
FE301
5V
2.1V
2.1V
5V
2.5V
(2.7V)
2.1V
(2.7V)
2.1V
2.6V
2.6V
0V
01
V
+B
+B
+B
9V
9.5V
0.8V
2.5V
Figure 20 SCHEMATIC DIAGRAM (1/12)
XL-55H
– 21 –
XL-55H/65H
7
8
9
10
11
12
9 
8 
7 
6 
5 
4 
3 
2 
1 
CL
DO
STEREO
DI
CE
P  MUTE
P-STB 
CD+B
CD+B
FM  ST 
SD
DI
CE
DO
CL
P31  12 - F
CNS704
TO DISPLAY PWB
P26  1 - C
TO MAIN PWB(3/3)
22 21  20  19 
18 
17 
16 15 
14 13 
3 
4 5 6 
7 8 
9 
10 
11 
12 
22 21 20 
19 
18 
17 16 15  14 13 12 
1 2 
3 4 5 6  7 
8 9 10  11 
PD
T
FM
FM
MUTE
VSM
AM  RF
(AM/FM) 
PHASE 
PHASE 
IF  OUT
VCC 
FM  DET
STEREO
SD
GND 
AM  IF 
REG 
OUT
OUT
OUT
IN
IN
CUT
AM  LOW
FM/AM
MPX  VCO
MPX  IN
MO/ST
L-CH
R-CH
FM  AFC
CE
DI
CL
DO
MO/ST 
IF  REQ
IF  IN
AM  IN
FM  IN
VDD
AIN
AOUT
VSS
X  OUT
X  IN
3
1
2
FM IF
AM IF
1
2
3
LOW PASS
FILTER
1 
2
3
4
5
6
7
8
9
10
11
TUN  L
TUN  R
CE
DI
CL
P_MUTE
P_STB
A_GND 
D-GND 
A-12V 
0.022 
0.022 
0.022 
0.001
4.7/25
0.022 
2.7K
1/50
456kHz
1/50
1/50
12K 
1/50
1K
470K
12K 
56P 
KRC104 M 
0.03
0.03
6.8K
6.8K
LA1832S 
FM IF DET./FM MPX./AM IF
2.2/50
3.3K
1/50
0.001
1/50
22P(CH) 
10K 
100/10
270 
0.022 
0.022 
0.022 
330P
2.2K
0.022 
47/16 
10K 
1/50
1.5K
0.001
10/16 
0.022 
100
µ
H 
330P
0.01
2.2K
5.6K
1K
1K
1K
1K
1K
1.8K
4.7K
C72131 
TUNER) 
10K 
100
µ
H 
0.022 
100/10
DZ5.1BSB
390 
390 
2HA1015 GR 
5.6K
6.8K
5.6K
47/16 
0.022 
1K
47K 
0.022 
5.6K
1N4148
CNP704
C361
C363
C366
C364
C365
X351
R350
C367
C372
C371
R361
C368
R356
R357
R362
C369
C374
C373
Q351
R363
R364
IC303
C357
R355
CFW301B
C358
C356
C370
C355
R376
C398
R353
C354
CF351
C399
C353
CF352
T351
C378
R366
C394
R381
C393
R380
C392
C380
C387
L351
C386
C385
R379
R377
R393
R374
R373
R372
R371
R359
R360
C302
R365
L352
C395
C396
ZD351
R391
R392
Q360
R385
R384
R383
C391
C350
R352
R395
C383
R387
D308
L354
(0V)
4.7V
1.3V
1.3V
4V
(2.2V)
2.3V
2.1V
(0V)
2.1V
2.1V
0V
5V
5V
(4.3V)
2.9V
0V
5V
(1.2V)
3.8V
(1.9V)
3.8V
(2.7V)
2.1V
(2.7V)
2.1V
0.6V
(0.9V)
0V
2.3V
5.2V
(0V)
2.6V
(2.6V)
0V
0.9V
0.9V
2
.6V
2
.6V
0V
5.1V
4.8V
0.1V
0.1V
3.9V
(0V)
(0V)
3.5V
3.7V
(11.4V) 
1.7V
0V
10.9V 
10.8V 
11.7V 
+B
+B
+B
+B
+B
Figure 21 SCHEMATIC DIAGRAM (2/12)
XL-55H/65H
– 22 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
24 23 
22  21 
1 2 3 
22 21 20 
1 2 
3
CHASSIS
GND
AM
ANTENNA
FM
75 OHMS
FM ANTENNA
SOCKET
2 
1 
(CH)
(UJ)
VT
AM  RF
REG 
AM  MIX OUT 
OUT
IN
IN
IN
FM  IF 
FM  AFC
AM  OSC
AM  OSC
CE
AOUT
VSS
X  OUT
X  IN
AM ANT
AM OSC
AM TRACKING
FM MUTE LEVEL
AM BAND COVERAGE fL 
FM IF
FM IF
AM I
1
TP301
2
3
1
2
3
8  7  6  5 
4 3 
2 
1 
16 
15 
14 
13 
12 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
MAIN  PWB-A1(1/3)
TUNER SECTION
0.001
0.001
0.001
0.022
0.001
68K 
27P 
560P
0.022
0.022 
1N4148
1N4148
1N4148
1N4148
BALUN
0.047 
0.022
12P 
SVC348S 
1mH 
8.2K
33P 
0.022 
3.3/50
0.022 
330P
33P 
10/16 
0.022 
5.6K
10K 
330 
330 
0.022 
47/16
10K 
1/50
15P(CH) 
0.001
4.5MHz
1K
LC72131 
PLL(TUNER) 
12P(CH) 
0.022 
FM  FRONT  END
68
82
2.2
µ
H 
0.022 
2SC380 O
33
680 
6.8K
330 
0.022 
680 
180 
0.022 
4.7K
100/16
1K
1K
0.1 
22P 
22P 
560P
1N4148
47K 
0.022 
0.1 
330P
456 kHz
47/16 
0.022 
2.2
µ
H 
10K 
2HC1815 GR 
10/16 
56K 
56K 
(CH)
(CH)
LC72723M
RDS
0.022 
CNP301
C376
C301
C388
C390
C302
T306
R323
C334
C335
C337
C329
D301
D303
D304
D302
L341
T302
C331
C332
C330
VD301
VR351
L353
R358
C343
C361
C362
C360
C363
C
T351
C378
CF302
C344
C352
C351
R351
R336
R382
R386
C397
C394
R381
C39
C382
C384
R374
IC302
X352
C381
C350
L342
C346
C345
R369A
R369B
R345
C348
R343
C341
C347
R346
CF301
R344
R348
R347
R349
Q301
SO301
R528
R529
C527
C525
C526
X521
IC521
C524
D521
R521
C537
C523
C522
C535
C536
L521
R532
Q521
C521
R533
R534
FE301
5V
2.1V
2.1V
5V
2.5V
(2.7V)
2.1V
(2.7V)
2.1V
2.6V
2.6V
0V
0.1V
+B
+B
+B
+B
+B
+B
9V
9.5V
0.8V
2.5V
1.3V
1.3V
0.6V
2.3V
0V
0V
0V
0V
0V
5.1V
5.1V
2.5V
2.5V
2.5V
2.5V
2.5V
2V
2.5V
5.1V
Figure 22 SCHEMATIC DIAGRAM (3/12)
XL-65H
– 23 –
XL-55H/65H
7
8
9
10
11
12
9 
8 
7 
12
11
10
6 
5 
4 
3 
2 
1 
CL
DO
STEREO
DI
CE
P  MUTE
P-STB 
CD+B
CD+B
FM  ST 
SD
RDS CLK
RDS DATA
VMS
VMS
DI
CE
DO
CL
P31  12 - F
CNS704
TO DISPLAY PWB
P26  1 - C
TO MAIN PWB(3/3)
3 22 
21 
20 
19 
18 
17 16 15 
14 13 
2 3 
4 5 6 
7 8 
9 
10 
11 
12 
22 21 20 
19 
18 
17 16 15  14 13 12 
1 2 
3 4 5 6  7 
8 9 10  11 
PD
VT
FM
FM
MUTE
VSM
AM  RF
(AM/FM) 
PHASE 
PHASE 
IF  OUT
VCC 
FM  DET
STEREO
SD
GND 
AM  IF 
REG 
OUT
 
OUT
OUT
OUT
IN
IN
IN
CUT
AM  LOW
FM/AM
MPX  VCO
MPX  IN
MO/ST
L-CH
R-CH
FM  AFC
AM
  OSC
CE
DI
CL
DO
MO/ST 
IF  REQ
IF  IN
AM  IN
FM  IN
VDD
AIN
AOUT
VSS
X  OUT
X  IN
3
1
2
FM IF
AM IF
1
2
3
LOW PASS
FILTER
1 
2
3
4
5
6
7
8
9
10
11
TUN  L
TUN  R
CE
DI
CL
P_MUTE
P_STB
A_GND 
D-GND 
A-12V 
0.022 
3
.3/50
0.022 
0.022 
0.001
4.7/25
0.022 
2.7K
1/50
456kHz
1/50
1/50
12K 
1/50
1K
470K
12K 
56P 
KRC104 M 
0.03
0.03
6.8K
6.8K
LA1832S 
FM IF DET./FM MPX./AM IF
2.2/50
3.3K
1/50
0.001
1/50
22P(CH) 
10K 
100/10
270 
0.022 
0.022 
0.022 
330P
2.2K
0.022 
47/16 
10K 
1/50
1.5K
0.001
10/16 
0.022 
100
µ
H 
330P
0.01
2.2K
5.6K
1K
1K
1K
1K
1K
1.8K
4.7K
LC72131 
L(TUNER) 
10K 
100
µ
H 
0.022 
100/10
DZ5.1BSB
390 
390 
2HA1015 GR 
5.6K
6.8K
5.6K
47/16 
0.022 
1K
47K 
0.022 
5.6K
1N4148
CNP704
C361
C360
C363
C366
C364
C365
X351
R350
C367
C372
C371
R361
C368
R356
R357
R362
C369
C374
C373
Q351
R363
R364
IC303
C357
R355
CFW301B
C358
C356
C370
C355
R376
C398
R353
C354
CF351
C399
C353
CF352
T351
C378
R366
C397
C394
R381
C393
R380
C392
C380
C387
L351
C386
C385
R379
R377
R393
R374
R373
R372
R371
R359
R360
IC302
R365
L352
C395
C396
ZD351
R391
R392
Q360
R385
R384
R383
C391
C350
R352
R395
C383
R387
D308
L354
(0V)
4.7V
1.3V
1.3V
4V
(2.2V)
2.3V
2.1V
(0V)
2.1V
2.1V
0V
5V
5V
(4.3V)
2.9V
0V
5V
(1.2V)
3.8V
(1.9V)
3.8V
(2.7V)
2.1V
(2.7V)
2.1V
0.6V
(0.9V)
0V
2.3V
5.2V
(0V)
2.6V
(2.6V)
0V
0.9V
0.9V
2.6V
2.6V
0V
5.1V
4.8V
0.1V
0.1V
3.9V
(0V)
(0V)
3.5V
3.7V
(11.4V) 
1.7V
0V
10.9V 
10.8V 
11.7V 
+B
+B
+B
+B
+B
+B
Figure 23 SCHEMATIC DIAGRAM (4/12)
Page of 12
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