XL-T300 (serv.man14). Schematic diagram - Sharp Audio Service Manual (repair manual)

xl-t300 (serv.man14) service manual
Model
XL-T300 (serv.man14)
Pages
10
Size
596 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Schematic diagram
File
xl-t300-sm14.pdf
Date

Read Sharp XL-T300 (serv.man14) Service Manual online

XL-T300H
– 24 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
Figure 24 SCHEMATIC DIAGRAM (1/10)
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 
3 2 
22 21 20 
19 
18 
17 16 15 
1 2 
3 4 5 6  7 
8 9 
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-C1
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
BALUN
CHASSIS
GND
AM 
Tracking
AM ANT
AM Band
Coverage
FM Mute
Level
AM IF
AM IF
1
2
3
FM IF
FM IF
FM IF
(CH)
(CH)
Low PassFil
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
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
– 25 –
XL-T300H
7
8
9
10
11
12
Figure 25 SCHEMATIC DIAGRAM (2/10)
(0V)
4.7V
1.3V
1.3V
4V
(2.2V)
2.3V
(1.2V)
3.8V
(1.9V)
3.8V
(4.3V)
2.9V
0V
5V
5V
5V
5.2V
(0V)
2.6V
(2.6V)
0V
10.9V 
10.8V 
11.7V 
3.9V
(0V)
(0V)
3.5V
3.7V
(11.4V) 
1.7V
0V
2V
2.5V
5.1V
2.3V
0V
5.1V
2.5V
2.5V
2.5V
2.5V
0.6V
1.3V
1.3V
0V
0V
0V
0V
5.1V
2.5V
(0V)
2.3V
2.1V
18 17 
16 
15 
14 
13 
12 
6 7  8 
10 11 
16 15 14 13 12 11 10  9 
1 2 3 4 5 6 7 8 
5 6 
7 8 
10 11 
12 
13 
14 
15 
16 
17
18 
14 
13 
12 
11 
10 



PD
(CH)
(CH)
FM
FM
MUTE
(AM/FM) 
PHASE 
PHASE 
IF  OUT
VCC 
FM  DET
STEREO
SD
GND
 
OUT
OUT
OUT
CUT
FM/AM
MPX  VCO
MPX  IN
MO/ST
L-CH
R-CH
DO
MO/ST 
IF  REQ
IF  IN
AM  IN
FM  IN
VDD
RDS  CLK 
RDS  DATA
VSM 
SD
FM  ST 
DO
CL
CE
DI
A_12V 
D_GND 
TUN_L 
TUN_R 
A_GND 
AM SIGNAL
FM SIGNAL
1
2
3
CNP301
P28  5-A
TO
MAIN PWB-A1(1/3)
FM IF
Low PassFilter
0.022
0.001
2.7K
456kHz
1/50
56P
1/50
1K
470K
0.027
0.027
6.8K
6.8K
KRC104 M
5.6K
5.6K
1/50
1/50
2.2K
1/50
3.3K
2.2/50
0.001
100/10
0.047
270
0.022
0.022
0.022
2.2K
0.01
100
µ
H
5.6K
1K
330P
47K
220P
1/50
10K
DZ5.1BSB
100
µ
H
100/10
0.022
390
0.022
390
5.6K
KTA1266 GR
5.6K
5.6K
6.8K
47/16
1N4148
10K
4.7K
1.8K
0.022
56K
10K
56K
KTC3199 GR
1N4148
0.022
2.2
µ
H
47/16
47K
10/16
330P
0.1
560P
LC72723M
RDS
1K
1K
0.1
22P
22P
10/16
C365
C366
L354
X351
R350
C367
C369
C368
R356
R357
C374
C373
R364
R363
Q351
R362
R361
C371
C372
R366
C358
R355
C357
C356
C398
C399
CF351
R353
C354
C353
C387
R379
C385
L351
R377
R393
C386
R395
C355
C370
R376
ZD351
L352
C396
C383
R387
R391
C395
R392
Q360
R383
R385
R384
C391
D308
R365
R360
R359
CNS301
C537
R534
R532
R533
Q521
D521
C536
L521
C535
R521
C521
C522
C523
C524
IC521
R529
R528
C527
X521
4.332MHz
C526
C525
C380
XL-T300H
– 26 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
Figure 26 SCHEMATIC DIAGRAM (3/10)
25 
24 
23 
22 
21 
20 
19 
18 
17 
16 
15 
14 
13 
12 
11 
10 
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83
33 34 35 36 37 38 39 40 41 42 43
26 27 28 29 30 31 32 
1 2 3 
P_CONT
D_GND 
OPTION
B  CON 
BIAS
RUN  PLS 
REC 
SOL 
MOT 
TAPE  SW 
PAUSE
REC
GVSW
USWD5.6V
P_CONT
D_GND 
FAN_DET 
AMP_DET 
PROTECT 
MEMORY/
PRESET  UP
TUNING  UP
BASS/TREBLE
TUNING  DOWN
PRESET  DOWN
SWITCH  PWB-B2
LED  PWB-B4
FUNCTION
CLID_PRO
VDD 
VLC1
VLC2
VLC3
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
STAND-BY
ON/ 
FF>>
<<REW
CD  PLAY/ 
CD  STOP/
PAUSE
CLEAR
OSC1
MMOD
VREF+ 
OSC2
CLID_SW 
DI
KEY1
MODEL 
KEY2
VREF
XO
XI
VSS 
RESET 
CL
DO
REMOCON 
SYS_STOP
POWER 
VSM 
CLE 
SURR
CE
VOL  DOWN
VOL  UP
SET
OPEN/CLOSE
22
21
20
19
18
17
16
15
14
13
12
11
10
+B
+B
+B
+B
+B
+B
+B
+B
+B
CNP751
P29  11-G
CNP701
P28  1-F
TO
MAIN PWB-A1(1/3)
1
1
3
2
3
2
1
2
3
(CH)
(CH)
SYSTEM MICROCOMPUTE
FL DRIVER
REMOTE
SENSOR
FL DISPLAY
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
12K
22P
22P 
1K
0.1 
10
µ
H
10K 
47K 
1.2K
2.7K
2.7K
3.9K
2.2K
10K 
1.2K
5.6K
47K 
10
µ
H
10K 
10K 
10K 
220 
LP3052D+
LP3052D+
0.022 
33K 
47K 
0.01
100 
100/10
10/16 
47K 
0.022 
47K 
47K 
47K 
33K 
KRC102 M
2.2K
4.7K
KTA1266 GR
KRC102 M
10K 
47K 
KTA1266 GR
820 
1N4148
KRC102 M
3.3/50
1N4148
1N4148
1K
3.3K
1K
0.01
100K
1N4148
0.01
1K
KTC3199 GR
10K 
DZ3.3BSB
120 
10K
KTC3199 GR
82
1K
560P
IX0045SJ
47K 
47K 
1K
8MHz
32.768kHz
R755
R750
R741
R751
R740
R742
R747
R748
R743
R754
R746
R745
R749
R753
R739
R744
R790
R752
R738
R737
R735
R732
R731
R733
R734
R730
R736
R724
C701
X702
C702
X701
R728
C703
L701
R702
R723
R729
R727
R720
SW711
SW712
R711
R708
R707
R709
R705
R710
R706
SW725
SW728
SW722
SW723
SW724
SW721
SW727
SW726
SW709
SW710
R795
L702
CFW706A
CFW706B
R722
R721
R725
LCD701
R799
CFW701
CFW701A
LED701
LED702
CNW751
C751
CNW701
R783
R787
C705
R7A3
C715
C713
R781
C704
R778
R779
R780
R782
Q709
R797
R791
Q708
Q706
R793
R792
Q707
R796
D720
Q701
C711
D722
D723
R7A6
R7A9
R7A7
C710
R7A2
D721
C712
R7A0
Q702
R7B0
ZD701
R7A4
R7A5
Q703
R7A8
R7A1
RX701
C714
IC701
– 27 –
XL-T300H
7
8
9
10
11
12
Figure 27 SCHEMATIC DIAGRAM (4/10)
75 
74 
73 
72 
71 
70 
69 
68 
67 
66 
65 
64 
63 
62 
61 
60 
59 
58 
57 
56 
55 
54 
53 
52 
51 
SW802
9 88 87 86 85 84 83 
76 
77 
78 
79 
80 
81 
82 
7 38 39 40 41 42 43 44 45 46 47 48 49 50 
9 8 7 6 5 4 3 2 1 
13 
12 
11 
10 
13 
12 
11 
10 
10 
10 
CLE 
CD_RES
DO
CL
DI
CD+B
STEREO
SD
B-LIGHT 
U_CON5V 
TAPE_SW 
B_CAN 
MOT 
REC 
BIAS
RUN_PLS 
PROTECT 
CD_STB
PU-IN 
_CONT
P_MUTE
CLID_DW 
CLID_UP 
D_GND 
DIMMER
VSM 
DATA
FAN_DET 
GVSW
CLID_PRO
AMP_DET 
SOL 
CLID_SW 
SURROUND
CE
12V 
AMP_DET 
FAN
SP_RLY
PROTECT 
LIGHT
DIMMER
DISPLAY  PWB-B1
MOTOR  PWB-A3
SWITCH  PWB-B3
LED  PWB-B5
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23 
SEG24 
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
REMOCON 
SYS_STOP
POWER
 
CLE 
SURR
P-STB 
P-MUTE
CD+B
P-CONT
DATA
STEREO
SD
B-LIGHT 
CLID_UP
CLID_DW
PU-IN
CD_RES
CD_STB
BUS1
BUS0
BUS2
BUS3
BUCK
CCE
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
6
TAPE_SW
U_CON5V
SOL
MOT
REC
RUN_PLS
BIAS
B_CAN
CE
DI
CL
DO
STEREO
SD
VSM
DATA
CLE
D_GND
P_MUTE
CD+B
SURROUND
AMP_DET
PROTECT
FAN_DET
M_12V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
FAN_CONT
M_GND
SP_RLY
CD_STB
CD_RES
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
PU-IN
CD_RW
CLID_SW 
CLID_PRO
CLID_DW 
CNP703
P33  10-G
TO
MAIN PWB-A1(3/3)
CNP702
P29  8-A
TO
MAIN PWB-A1(1/3)
CNP705
P28  1-F,G
TO
MAIN PWB-A1(1/3)
CNP704
P31  12-B
TO
MAIN PWB-A1(2/3)
CD LID
CD LID
1
3
2
1
3
2
CROCOMPUTER/
DRIVER
FL DISPLAY
CD LID MOTOR DRIVER
TA7291S
47/16 
3.9K
0.1 
1.8K
3.3K
KRC102 M
150K
68K 
0.022
1.5K
82
47K 
2.2K
KTA1266 GR
KRC102 M
47K 
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
0045SJ
47K 
47K 
LP99B
IC804
C845
R838
C840
R836
R834
Q807
M801(243-6)
CNP902C
CNW902A
R845
R847
LED801
CNW902
C717
R813
R860
R824
R825
Q804
Q806
CNW704
CNW705
CNW703
R784
R766
R767
R764
R765
R761
R774
R763
R762
R770
R771
R769
R768
R775
R772
R785
R773
R755
R750
R776
R759
R777
R751
R758
R756
R745
R753
R760
R752
LCD701
C701
R786
R789
CNW702
CNW902B
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Download Sharp XL-T300 (serv.man14) Service Manual (Repair Manual)

Here you can read online and download Sharp XL-T300 (serv.man14) Service Manual in PDF. XL-T300 (serv.man14) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp XL-T300 (serv.man14) System. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.