DOWNLOAD Sharp XL-3500 (serv.man20) Service Manual ↓ Size: 2.67 MB | Pages: 56 in PDF or view online for FREE

Model
XL-3500 (serv.man20)
Pages
56
Size
2.67 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
xl-3500-sm20.pdf
Date
PREV: Sharp XL-3500 (serv.man19) Service Manual

Sharp XL-3500 (serv.man20) Service Manual ▷ View online

– 21 –
XL-3500H
Figure 21 BLOCK DIAGRAM (1/3)
ANTENNA
TERMINAL
AM Band
Coverage fL
FM MUTE
LEVEL
AM IF
FM IF
FM IF
FM IF
AM IF
AM Band
Tracking fL
VD301
SVC348S 
FM IF DET./
FM MPX./AM IF
IC303
LA1832S  
+5V
+5V
VT
+5V
+5V
+B
+B
+B
4.332MHz
X521
+B
FM +B
+5V
FM +B
+5V
T302
T306
T351
CF301
CF302
CF352
CF351
L354
LOW PASS
FILTER
SWITCHING
Q301
L341
BALUN
VR351
X352
4.5MHz
VOLTAGE
REGULATOR
AM
GND
FM
75ohms
SO301 
VSM 
AM  RF 
OUT 
OUT 
OUT 
OUT 
IN
IN
CUT 
AM  LOW
FM/AM 
MPX  VCO 
MPX  IN
MO/ST 
L-CH
R-CH
FM  AFC
AM  OSC
AM  OSC
(AM/FM) 
PHASE 
PHASE 
IF  OUT
VCC 
FM  DET
STEREO
SD
GND 
AM  IF 
REG 
AM  MIX OUT 
IN
IN
FM  IF 
23
22
21
20
19
18
17
16
15
14
24
13
12
11
10
9
8
7
6
5
4
3
2
1
PLL(TUNER)
11
10
9
8
7
6
5
4
3
1
PD
IF IN
AM IN
FM IN
VDD
AIN
AOUT
VSS 
X OUT
22 21 20
19
18
17 16 15
14 13 12
FM
FM
MUTE
CE
DI
CL
DO
MO/ST 
IF REQ
X IN
IC302 
LC72131
8
7
6
5
4
3
2
1
FE301
FM  FRONT  END
TP301
456kHz
X351
Q351
Q521
Q360
ZD351
TUNER PWB
16 15 14 13 12  11 10  9 
1 2 3 4 5 6 7 8 
14 
13 
12 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
RDS  CLK 
RDS  DATA
VSM 
SD
FM  ST 
DO
CL
CE
DI
A_12V 
D_GND
TUN_L 
TUN_R 
A_GND
TO
MAIN PWB
LC72723M
RDS
CNS301
IC521
SWITCHING
RESET
SWITCHING
SWITCHING
Q701
Q702
Q703
COM0
FAN_DET
FAN
COM3
SEG0
SEG33
REMOCON 
P—CONT
VDD
32.768kHz
8MHz
38
5
4
1
1
100
67
66
65
64
63
62
61
60
59
58
33
57
56
54
53
52
39
48 49 50
32
47
8
4
LCD701
FL DISPLAY
TO
MAIN PWB
REMOTE
SENSOR
RX701 
RESET 
23
VSM
VLC1
VLC2
VLC3
7 
6 
5 
MMOD
VREF
VREF+
VSS 
15 
24 
14 
11 
SYS_STOP
POWER 
38
37
13 
12 
10 
55
21
9 
X701
X702
OSC1
OSC2
XO
XI
CLID_SW 
SW711~713
SW725~728
SW709
SW718~720
SW710
KEY1
KEY2
18 
17 
16 
SYSTEM MICROCOMPUTER/
FL DRIVER
IC701
IX0043SJ 
DATA
ST
SD
51 41 42
B-LIGHT
DI
CL
DO
CE
28
27
26
25
SURR
P-MUTE
CD+B
46
45
43
CLE
40
DISPLAY PWB
Q708
Q707
Q709
Q706
GND 
LED701   LED702
GND 
LED704   LED703
LED PWB
TO
MAIN PWB
TO
CD PWB
Q806
Q804
Q807
CD LID
MOTOR DRIVER
7 
6 
5 
4 
3 
2 
1 
7 
6 
5 
4 
3 
2 
1 
M_GND 
M_12V 
USWD5.6V
P_CONT
D_GND 
FAN_CONT
FAN_DEC
13 
12 
11 
10 
9 
8 
7 
6 
5 
4 
3 
13 
12 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
CLE
DATA
VSM
D_GND
SURROUND
P_MUTE
CD+B
DI
CE
CL
DO
STEREO
SD
1 
2 
SWITCH PWB
CD LID
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
CD-RW
PU-IN
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
CD-RES
CD-STB
GVSW
PU-IN
BUS0
DIMMER
LIGHT
SP_RLY
SP_RLY
CLID_UP
CLID_DW
BUS1
BUS2
BUS3
BUCK
CCE
CD-RES
CD-STB
1
2
3
5 
6
7
8
9
LED PWB
M 
CD LID
OPEN/CLOSE
1 
2 
1 
2 
3
3
PROTECT 
AMP_DET
TA7291S
CNW701
CNW702
SW802
CNW704
CNW703
IC804
LED801
M801(246-6)
XL-3500H
– 22 –
Figure 22 BLOCK DIAGRAM (2/3)
Q801
Q802
GVSW
FEO
FEN
VRO
RFRP
RFIS
RFGO
RFGC
AGCI
RFO
RFN
GND
RFDC
TEO
TEN
TEBC
SEL
LDO
MDI
TN1
TPI
FPI
FNI
VCC
HEAD AMP.
IC802
TA2157F
SERVO/SIGNAL CONTROL
IC801
TC94A14F 
DOUT
TERMINAL
PWB
AVSS 
DVSS
DVSS
TESIN
XVSS
DVSL
TMAX
RFI 
RFCT
LPFN
LPFO
PVREF
VREF
X801
16.93MHz
XO
XI
DVDD 
PDO
AVDD 
DVDD 
VDD 
XVDD 
AVDD 
SEL
RFGC
TEBC
FOO
TRO 
TEI 
TEZI
RFRP
FEI 
SBAD
SWITCHING
R-CH 
L-CH 
SO401
VIDEO/AUX
INPUT
+B1
FROM
DISPLAY PWB
FOCUS/
TRACKING/
SPIN/SLED
DRIVER
1
2
3
4
5
6
7
8
9
4
10
11
12
13
16 26 27 19
21 22 23 24 25 17 18 28
PO1–
PO1+
VO4+
VO4–
VIN3
VG3
VCC
VCC
BIAS
VG4
VIN4
VO3+
VO3–
OPO
VO2-
VO2+
VIN2
VG2
GND
GND
GND
MUTE
REG O
TRB
VG1
VIN1
VO1+
VO1–
IC803
MM1469PH
SPINDLE
MOTOR
SLED
MOTOR
PICKUP IN
SP+ 
SP–
SL+ 
SL–
PU-IN 
GND 
FO
TR
+
–
–
+ 
M
M
CD MOTOR PWB
M701
M702
SW702
7.3V
3.3V
+B1
+B6
+B2
+B4
+B5
+B6
+B5
A
C
B
F
E
+B6
+B5
+B5
+B6
LD
MON
FOCUS  COIL
1/2V
5V
TRACKING  COIL 
CD PICKUP UN
23
24
22
21
20
19
18
17
14
26
24
20
19
18
16
35
38
36
37
33
34
31
32
29
28
30
16
15
13
12
11
10
9
8
7
6
5
4
3
2
1
DIGITAL
OUT 
3 
2 
1 
J801
40
41
FMO
DMO
63
57
62
61
60
59
58
46
47
BUS0
51 DVDD
BUS1
BUS2
BUS3
BUCK
CCE
RST
53
50
RO
LO
6
15
25
39
43
48
64
7 22 42 44 45
54
A_GND 
GND 
GND
M_GND 
+B4
VOLTAGE
REGULATOR
ZD801
Q808
Q809
Q810
ZD802
10 9 8 7 6 5 4 3 2 1 
GVSW
PU_IN
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
CD_RES
CD_STB
3 
2 
1 
2 
3 
1 
CD_L
A_GND
A
CD_R
CD_L
CD_R
14 13 12 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
A_GND
TUN
R
TUN  L
D_GND
A_12V
RDS  CLK
RDS  DATA
DO
FM  ST
SD
DI
CL
CE
VSM
FROM
TUNER PWB
CNP704
CNW803
CNP803
CNP301
CD PWB
– 23 –
XL-3500H
Figure 23 BLOCK DIAGRAM (3/3)
VOLTAGE
REGULATOR
3 
1 
3 
2 
1 
AC INPUT
SOCKET
AC230V,50Hz 
AC 230V,50Hz 
AC POWER SUPPLY CORD
LINE
FILTER
POWER
TRANSFORMER
(SUB) 
CNP681
SO651 
LF651 
IC681
AN78L05
CONSTANT 
RLY601
T681
D681~D684
Q683
5
4
3
2
5
4
3
2
1
1
3 
1 2 
2 
POWER
TRANSFORMER
(MAIN)  
TF
T651
T4A  L 250V
CNP651
F652
T4A  L 250V
F651
T1.25A  L 250V
F653
Q604
Q605
D651~D654
D657~D660
Q105
Q106
Q109
Q108
Q103
Q104
Q101
Q102
Q603
Q601
Q602
M
M802
FAN MOTOR
Q881
Q882
Q883
Q884
Q606
Q607
CD +B
+B
+B3
–B
–B
CD_7.2V 
+B1
+B2
+B3
+B4
+B3
M_12V 
A_12V
15
13
10 11  
7 
6 
8
1
IN1
GND
VE2
VE1
+VCC
9
–VCC
IN2
POWER AMP.
IC101
STK40203
L-CH
L-CH
R-CH
R-CH
R-CH
L-CH
SPEAKER TERMINAL
+ 
+ 
SO601 
HEADPHONES
1 
2 
3 
4 
5 
9 
10
J601
VSS 
VDD
IC401 
LC75342M
15
14
13
12
11
10
9 
17
18
19
20
21
22
23
24 
25
26
27
28
29
16
8 
7 
6 
5 
4 3 2 1 
CE
DI
30
CL
LOGIC 
TUN  L 
CD  L
TUN  R
R-CH OUT
R-CH OUT
L-CH OUT
R-CH IN
L-CH IN
L-CH OUT
A_12V
NC
FUNCTION/VOLUME
EQUALISER  
AUX  R
AUX  L
CD  R
MUTE
VOLTAGE
REGULATOR
+B6
L
IL 
UP UNIT 
D_GND 
MAIN PWB
+B4
+B2
+B
Q201
Q203
Q107
Q891
2 
3 
1 
A_GND
CD_L
CD_R
1 
2 
3 
4 
5 
1 
12 
11 
10 
9 
8 
7 
5 6 
4 
2 3 
13 
P_MUTE
CD  +B
CL
DI
CE
DO
FM  ST
SD
VSM
DATA
RDS  CLK
A_GND
TUN  R
TUN  L
D
_
GND
A_12V
D_GND
SURROUND
M
PWB
FROM
DISPLAY PWB
5 6 7 8 
4 3 2 1 
SURROUND
CONTROL
1 
2 
3
PROTECT 
AMP_DET
SP_RLY
FROM
DISPLAY PWB
1 2 3 4 5 6 7 
M_GND
M_12V
FAN_CONT
FAN_DEC
USWD_5.6V
P_CONT
D_GND
FROM
DISPLAY PWB
KIA4558P
CNP803
CNP702
IC201
CNP703
CNP701
RLY101
XL-3500H
– 24 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
Figure 24 SCHEMATIC DIAGRAM (1/8)
2.5V
9V
9.5V
0.8V
(2.7V)
(2.7V)
0.6V
(0.9V)
2.3V
0V
5V
2.5V
2.1V
2.1V
2.9V
0V
5V
5V
5V
2.1V
2.1V
2.1V
0.9V
0.9V
5.2V
2.6V
(0V)
2.6V
(2.6V)
0V
3.9V
(0V)
35
V
3.7V
(11.4V) 
1.7V
5.1V
4.8V
0.1V
0.1V
2.6V
0V
23
V
PLL(TUNER)
FM IF DET./
FM MPX./AM IF
8 7 6 5 
4 
3 2 
1 
22 21 20 
19 
18 
17 16 15 
1 2 
3 4 5 6  7 
8 9 
1 
1
1
2
2
3
3
2 3 
4 5 6 
7 8 
18 
19 
20 
21 
22 
23 
24 
AM
GND 
75 
ohms
FM
ANTENNA
TERMINAL
TUNER PWB-B1
PD
(CH)
(UJ)
TP301
FM
FM
MUTE
VSM
AM  RF
FM  DET
STEREO
SD
GND 
AM  IF 
REG 
AM  MIX OUT 
OUT
OUT
IN
IN
IN
IN
CUT
AM  LOW
FM/AM
MPX
VCO
FM  IF 
FM  AFC
AM  OSC
AM  OSC
CE
DI
CL
DO
AM  IN
FM  IN
VDD
AIN
AOUT
VSS
X  OUT
X  IN
FM  FRONT  END
AM OSC
1 
6 
4 
3 
2 
1 
2 
3 
4 
CHASSIS
GND
AM 
Tracking
AM Band
Coverage
FM Mute
Level
AM IF
AM IF
1
2
3
FM IF
FM IF
FM IF
(CH)
0.022 
1N4148
1N4148
0.022
560P
68K
27P 
8P
0.047
0.022
SVC348S
0.001
0.012
0.001
1N4148
1N4148
4.7K
180
0.022
680
0.022
100/16
0.022
82
0.022
2.2
µ
H
68
6.8K
330
2SC380 O
33
680
5.6K
5.6K
8.2K
1mH
10K
33P
3.3/50
0.022
0.022
4.7/25
0.022
0.001
2.7K
456kHz
1/50
0.022
LA1832S
270
0.022
0.022
1K
0.022
10/16
0.022
15P(CH)
0.001
12P
330
330
0.022
47/16
10K
4.5MHz
1/50
0.001
1.5K
0.022
2.2K
10
5
1K
1K
1K
1K
LC72131
10/16
T302
C329
L341
D301
D302
SO301
C337
C335
R323
C334
T306
C330
C331
C332
VD301
FE301
C349
C301
C302
D303
D304
R345
R344
C346
C348
C345
R343
C347
R369A
R369B
C341
L342
CF301
R347
R346
Q301
R349
R348
R336
R351
VR351 R358
L353
C343
C362
C361
C363
C364
C365
C366
L354
X351
R350
C367
C360
IC303
CF351
R353
C354
C353
R352
CF352
T351
C350
C352
CF302
C351
CFW301
C382
C384
X352
C381
R386
R382
C397
C394
R381
C393
C392
R380
C387
R379
C385
L
R
R
R371
R374
R373
R372
IC302
C380
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