Sharp XL-T300 (serv.man20) Service Manual ▷ View online
– 33 –
XL-T300H
7
8
9
10
11
12
Figure 33 SCHEMATIC DIAGRAM (10/10)
3.2V
0.7V
0V
11.8V
11.8V
11.7V
11.7V
11.7V
0V
4.4V
0.6V
4.9V
11.9V
M 12V
(0.8V)
0.3V
(0V)
1.5V
(0.8V)
0.3V
0.3V (0.8V)
(0V)
1.5V
0.3V (0.8V)
0.6V
0.7V
10.2V
4.6V
10.1V
4.6V
0V
0V
0V
0.6V
0V
0V
0.7V
)
V
(0V)
7.8V
8.3V
(0V)
4.7V
10
9
8
5
2
1 2 3 4 5 6 7 8
11 6
7
12
3 4 1
REC
RUN_PLS
BIAS
B_CAN
TAPE_SW
U_CON5V
SOL
MOT
OPTION
TAPE R
TAPE L
A_12V
+B
+B
+B
+B
+B
+B
+B
M_12V
REC R
REC L
9
10
11
12
13
14
15
16
17
1
2
3
1
2
3
1
1
1
3
3
3
2
2
2
FROM MAIN PWB-A1(1/3)
REC./P.B.
EQUALISER
AMP.
CNW703
P27 12-G
FROM
DISPLAY-B1
P28 3-C
18K
1N4148
270
47K
3.3/50
KRC107 M
10K
KRA102 M
1N4148
0.022
1N4148
0.022
1.5K
1N4148
1.5K
100/25
2SB562-C
33K
0.001
2SB562-C
10K
KRC102 M
C3199 GR
15K
4.7
K
4.7K
100
0.0012
33K
4.7/25
4.7/25
33K
0.0012
100
4.7K
KTC3199 GR
4.7K
TC3199 GR
10/16
100K
15K
330P
330P
270P
120
47/16
150K
0.015
3.9K
10/16
4.7K
KTC3199 GR
820
10K
100/25
330
22/16
100K
1K
0.022
2.2/50
BA3311L
10/16
47/16
120
10K
0.015
3.9K
150K
1N4148
KTC3199 GR
820
4.7K
10K
100K
C2001 K
KTA1266 GR
10K
10K
56
100/16
150
150
KRC104 M
330
µ
H
7
270P
KRC102 M
56K
KTC3199 GR
10K
CNP703
R909
D901
R904
R903
C902
Q903
R905
Q906
D903
C904
Q904
D904
C905
R906
D902
R901
C903
Q902
R910
C901
Q905
R907
Q901
Q101
R115
R123
R119
C115
R117
C129
C130
R118
C116
R120
R124
Q104
Q102
R125
R116
C104
C103
C105
R103
C107
R107
R105
C109
R109
C111
R131
Q105
R111
R113
C125
R141
C126
R134
R133
C118
C123
IC102
C112
C108
R104
R108
C110
R110
R106
D104
Q106
R112
R132
R114
1 R152
Q151
Q152
R155
R153
R154
R156
R157
Q153
L151
4
C106
C155
R902
Q103
XL-T300H
– 34 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 34 WIRING SIDE OF P.W.BOARD (1/4)
R836
R834
R838
C840
R702
C717
R795
R789
R755
R787
R847
R845
R711
R710
R709
R708
R707
R706
R705
R720
-
+
CNW902B
CFW706A
Q807
LED801
IC804
L702
C845
R860
R783
CNW902
R813
Q
SW710
SW712
SW728
SW726
SW724
R736
SW721
SW802
CFW706B
CNW902A
SW722
SW723
SW725
SW727
SW711
SW709
M801
(243-6)
CNP902C
SOL901
(212-4)
CNW101
SW902
(212-8)
(212-8)
PH901
SW901
(212-7)
(212-7)
M901(212-9)
1
5
1
1
2
3
1
2
3
4
5
6
7
8
9
5
1
2
1
7
6
13
1
2
B R
COLOR TABLE
R D ( R )
O R
Y L
G R
B L
V L
G Y
W H ( W )
B K
P K
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK
CD LID
MOTOR
CD LID
GY
RD
GY
GY
GY
GY
GY
GY
GY
GY
BK
GY
RD
GY
BK
BK
BK
BK
BK
1
2
MOTOR PWB-A3
SWITCH PWB-B2
SWITCH PWB-B3
LED PWB-B5
13 12
2
1
1
2
3
4
5
6
7
BK
GY
GY
GY
GY
GY
GY
7 6 5 4 3 2 1
TAPE MECHANISM
ASS'Y (212)
ASS'Y (212)
TAPE MECHANISM PWB-E,F
RECORD/PLAYBACK
HEAD
ERASE HEAD
WH
BK
GR
1
2
3
4
5
6
7
8
9
GR
RD
WH
BK
P37 8-F
TO MAIN PWB-A1
CNP101
CNW901
P37 8-G
FROM MAIN PWB-A1
TAPE
MOTOR
WH
RD
RD
OR
YL
SOLENOID
CAM
FOOL
PROOF
PHOTO
INTERRUPTER
INTERRUPTER
WH
BK
BK
BK
RD
GR
WH
BK
CD PLAY/PAUSE
/TUNING UP
/TUNING UP
CD STOP/CLEAR
/TUNING DOWN
/TUNING DOWN
VOLUME UP
REC/PAUSE
MEMORY/SET
BASS/TREBLE
FUNCTION
FF/PRESET UP
REW/
PRESET DOWN
VOLUME DOWN
CD LID
OPEN/CLOSE
OPEN/CLOSE
ON/STAND BY
– 35 –
XL-T300H
7
8
9
10
11
12
Figure 35 WIRING SIDE OF P.W.BOARD (2/4)
702
C717
R824
R825
R745
R770
R753
R766
R767
R761
R774
R762
R763
R764
R765
R768
IC701
R785
R742
C702
R729
R750
R727
C703
R748
R747
R728
R734
R754
C701
R746
R743
R732
R733
R782
R724
R722
R721
R725
C714
C704
R7A1
R7A4
R7A8
R7A5
R7B0
R7A0
C712
R7A6
R7A9
R7A7
R7A2
C710
R797
R791
R792
R793
R777
R778
R781
R779
R760
R780
R786
R789
R756
R758
R752
R755
R787
860
R783
902
CNW705
R813
Q804
R771
R775
Q806
R773
R769
CNW704
R731
R790
R784
Q709
R749
R744
X701
C705
CNW703
L701
X702
R730
R723
R735
C715
R751
R7A3
C751
C713
CNW751
Q703
Q702
C711
Q701
CNW701
LED701
LED702
D722
D720
ZD701
D721
R759
D723
Q708
CFW701
Q706
R738
R772
R739
R740
R741
Q707
R799
R796
R776
R737
CNW702
R736
CFW701A
M702
SW702
CNP703A
M701
CNW801
RX701
1
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
5
10
15
20
25
26
30
35
40
45
50
51
55
60
65
70
75
76
80
85
90
95
100
1
1
1
7
6
B
B
C
E
E
C
B
1
2
3
3
2
1
B
C
E
B
C
E
1
2
3
C
E
1
2
3
13
1
10
1
1
3
8
1
2
CD PICKUP UNIT (308)
1 3 5 7 9 11 13 15
2 4 6 8 10 12 14 16
CD MOTOR PWB-D
SPINDLE MOTOR
BK
BK
WH
WH
BK
BK
BK
BK
BK
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
BK
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
BK
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
RD
GY
BK
BK
BK
PICKUP IN
SLED MOTOR
1
2
3
4
5
6
+
-
+
-
LED PWB-B4
DISPLAY PWB-B1
1
2
1
1
2
3
4
5
6
7
8
9
10
3
8 7 6 5 4 3 2 1
8 7 6
13
5
12 11 10 9
4 3 2 1
2
CNP751
TO MAIN
PWB-A1
P36 6-F
CNP701
TO MAIN
PWB-A1
P37 11-E
CNP704
TO MAIN
PWB-A1
P37 10-G
CNP705
TO MAIN
PWB-A1
P36 4-E
CNP702
TO MAIN
PWB-A1
P36 4-E,F
CNP703
TO MAIN
PWB-A1
P37 8-F
P37 8-F
1
16
1
16
CNP801
TO MAIN
PWB-A1
P37 10-E
CNW802
FROM MAIN
PWB-A1
P37 10-F
BK
GY
GY
GY
GY
GY
GY
GY
GY
GY
1
2
3
4
5
6
7
BK
GY
GY
GY
GY
GY
GY
1
2
3
XL-T300H
– 36 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 36 WIRING SIDE OF P.W.BOARD (3/4)
R406
R408
R405
R407
R402
R420
R415
R421
C420
R439
IC401
R440
C431
C432
C433
R419
R441
R438
R105
C118
R109
R107
R103
R12
R133
R134
R114
R104
R108
R131
R132
R110
R113
R106
C461
R463
C462
R464
R470
R465
C471
R474
R469
R437
R473
R476
R475
C419
R471
R401
R466
C472
C472
R533
R534
R532
C527
C526
C522
IC521
C525
C523
C524
C536
R366
C395
R393
R355
C353
C354 R376
C355
C356
R383
R353
C363
C360
R352
C361
R351
C351
C350
C384
R373
R360
R347
R374
R372
R371
R359
R348
C341
R365
C387
C382
C383
R344
C347
C392 C381
C346
R379
R381
C397
R369A
R369B
R345
C345
C301
C302
C349
C329
C331
R323
C335
R349
C343
R358
R350
C365
C366
C369
R356
R357
R362
R364
R361
CHASSIS
GND
CHASSIS
GND
CHASSIS
GND
C866
L804
C864
C865
D895
D894
C413
D451
D452
CNP401
L401
SO
C222
C220
C22
R230
L202
L205
C235
C226
C225
R236
R227
JK601
M802
L203
R228
L204
D204
RLY201
Q207
R231
Q206
Q205
R886
R894
R885
Q891
Q883
R887
R893
CNP881
C881
C230
Q884
D893
D203
D892
Q241
C241
D201
D891
Q242
D202
R225
C209
R213
R215
Q203
R221
C217
R891
R226
IC601
R223
R892
R219
R220
R224
R235
C233
C218
R222
C236
C234
Q204
R214
R216
C210
R609
D602
Q605
R612
Q604
C608
D601
R610
C602
R601
ZD602
R602
R608
C607
ZD601
Q606
R603
C208
C204
R210
C206
R208
R212
C214
C212
C216
R218
Q202
C213
C201
C211
R217
R232
R204
C215
C207
R206
R203
C203
R207
C205
R211
Q201
R209
CNP705
R205
R884
R883
Q882
R880
D881
C880
Q881
R882
R881
CNP301
C408
CNP702
R422
R416
R425
R424
R423
C422
C421
C424
C423
R417
R418
C403
C429
C404
C426
C430
C416
C406
C418
C405
D403
R442
D401
D402
R202
C402
R141
D807
D808
D808
C109
C125
C123
C401
CNP
IC102
C111
C
Q10
R
C117
D104
C108
C126
C129
C112
R112
R111
Q106
Q105
C110
R461
R201
R468
C463
R462
R478
R477
C469
C415
C474
C425
C476
C473
C475
C464
C478
C417
R472
IC201
C407
R467
Q461
CNW401
Q463
D461
CNW804
J801
SO401
R529
R528
CNS301
Q521
X521
C521
L521
Q351
C535
R521
D521
ZD351
C537 C396
C358
C357
R377
C391
R395
R391
R392
R385
R384
L352
C370
C398
CF351
C399
Q360
C352
R382
R386
CF352
D308
CF302
T351
L353
C386
VR351
C385
Q301
X352
R387
L351
CF301
IC302
L342
R336
C393
R343
C394
C380
R380
C348
CFW301
FE301
D304
D303
L341
D301
D302
T302
C330
R346
VD301
C334
T306
C332
C337
C362
C364
C367
IC303
L354
C368
C374
C372 X351
C373
C371
R363
1
2
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
8
7
6
5
1
3
WH
BK
RD
1
5
10
15
16
20
25
30
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
10
11
12
13
11
12
13
10
11
12
13
14
11
12
13
14
1 2 3 4 5 6 7
1 2
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15
1
2
3
CNW705
FROM DISPLAY
PWB-B1
P35 7-F
CNW702
FROM DISPLAY
PWB-B1
P35 7,8-F
CNW751
FROM DISPLAY
PWB-B1
P35 11-G
RIGHT
SPE
TER
TER
HEADPHONES
FAN MOTOR
JACK
MAIN PWB-A1
TERMINAL PWB-A2
3
1
RD
BR
BR
BK
WH
RIGHT
LEFT
VIDEO/AUX IN
DIGITAL OUT
RD
BK
WH
1 2 3
RD
BK
WH
1
2
3
RED
RD
BK
1
2
2
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
11
12
13
14
ANTENNA
TERMINAL
TERMINAL
FM 75 OHMS
GND
AM
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
5
8
9
16
10
15
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20 21 22
1
1
2
2
3
3
1
2
3
2
3
E C B
B C E
TUNER PWB-C1
B R
COLOR TABLE
R D ( R )
O R
Y L
G R
B L
V L
G Y
W H ( W )
B K
P K
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK
3
2
1
2
1
E C B
AM
Tracking
AM Band
Coverage
Coverage
FM Mute
Level
AM IF
E C B
E C B
G S D
3
2
1
2
1
E C B
B C E
B C E
B C
3 2 1
1 2 3
E C B
E C B
1 2 3
3 2 1
E C B
B C E
E C B
B C E
E C B
E
C
B
C
B
E
C
B
C
B
B
C
E
C
E
• The numbers
1
to
17
are waveform numbers shown in page 38.
Click on the first or last page to see other XL-T300 (serv.man20) service manuals if exist.