Read Sharp XL-T300 (serv.man14) Service Manual online
– 29 –
XL-T300H
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9
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Figure 29 SCHEMATIC DIAGRAM (6/10)
9.6V
5V
0V
0V
0V
0V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
41V
0V
0.3V
0.3V
0V
4.5V
4.7V
4.9V
0.3V
0V
11.7V
11.3V
0.1V
0.1V
20.6V
–18.9V
0V
0V
0V
21.8V
21.7V
0V
0V
20.2V
0V
0.1V
0.1V
M
5
6
7
8
4 3 2 1
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
1 2 3 4 5 6
7 8
9
10 11
12
13
14
15
8 7 6 5 4 3
1
2
1 2 3 4 5 6 7 8 9 10 11 12 13
2
1
1
1
2
2
A_GND
CD_L
CD_R
12V
CD+B
CD_GND
P_MUTE
CD +B
CL
DI
CE
DO
FM ST
SD
VSM
DATA
TUN L
A_GND
TUN R
TUN L
D_GND
A_12V
CD L
AUX L
CD R
TUN R
AUX R
CL
DI
CE
DI
CE
DI
CE
VSS
TEST
LOUT
LBS2
LBS1
LTRE
LIN
LSL0
L4
L3
L2
L1
R1
R2
R3
R4
RSL0
RIN
RTRE
RBS1
RBS2
ROUT
VREF
VDD
CL
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
DI
CL
CE
–B
–B
–B
10
9
5
4
3
2
1
2
1
R
L
+B
+B
–B
–B
A GND
IN1
NF1
N.C.
PRE +VCC
BIAS
+VE1
–VE1
+VCC
–VCC
+VE2
–VE2
PRE –VCC
GND
NF2
IN2
(1W)
(1W)
D_GND
SP_RLY
AMP_DET
SURROUND
PROTECT
LAMP5V
M_GND
TAPE R
TAPE L
REC R
REC L
(1W)
CD_6.8V
2
1
RDS CLK
8
4 3 1
5
6
7
2
MAIN PWB-A1(1/3)
CHASSIS
GND
FAN MOTOR
+
–
–
–
+
+
SPEAKER
TERMINAL
HEADPHONES
JACK
JACK
P31 12-D,E
TO
MAIN PWB-A1(2/3)
CNW751
P26 1-E
FROM
DISPLAY PWB-B1
2
3
1
D
S
G
1
1
2
3
2
3
(CH)
(CH)
RELAY
POWER AMP.
FUNCTION/
VOLUME EQUALISER
SURROUND
CONTROL
NS301
11-D,E
ROM
R PWB-C
R PWB-C
CNW702
P27 12-F
FROM
DISPLAY PWB-B1
KIA4558P
47K
KRC107 M
2SK2541
1N4148
10K
0.0033
2.7K
4.7/50
100/16
10K
10K
12K
1/50
12K
12K
100K
0.0056
1/50
8.2K
47/16
10K
2.7K
12K
12K
0.0033
4.7/50
100K
8.2K
0.0056
1/50
12K
330
10/16
10/16
10/16
10/16
LC75342M
10/16
10/16
10/16
10/16
1K
1K
2.2/50
0.0027
0.1
0.1
1/50
3.9K
6.8K
1K
1K
10/16
1K
1K
1K
100/16
1N4004
33/16
1N4004
1N4004
10K
220P
220P
220P
1K
1K
1K
6.8K
2.2/50
0.0027
1/50
0.1
0.1
3.9K
1K
10/16
0.0022
6.8
0.022
0.022
0.022
0.022
0.022
0.0022
6.8
0.022
1N4004
KTC3199 GR
47K
0.022
0.022
6.8
0.022
0.022
6.8
KTC3199 GR
4.7K
0.022
4.7K
1N4148
0.2
KTC3199 GR
1N4148
4.7K
0.022
0.2
4.7K
10/50
39K
3P
10/50
1K
0.0015
100
100/50
56K
1K
470
10/50
10/50
33/16
6.8K
10K
10K
KTC3199 GR
KTC3199 GR
3.3K
1K
470
22K
0.0015
10/50
1K
100/50
56K
3P
1K
39K
100
10/50
10
µ
H
820P
330
330
10
µ
H
10
µ
H
820P
1N4148
1N4148
KTC3199 GR
1N4148
KTC3199 GR
56K
47/25
56K
KRC107 M
KRA107 M
3.3/16
KTC3199 GR
4.7K
1N4004
10K
100K
1N4004
100K
1N4004
3.3K
100
KTC3199 GR
27K
KTA1266 GR
1N4004
3.3K
KTC3200 GR
22K
470K
47/16
10/16
22K
2SC535 C
2.2
µ
H
0.022
0.022
10/16
0.022
22K
2SD2012 Y
47
1N4148
10/16
0/25
100
100/25
33K
DZ8.2BSC
2.7K
2.7K
10K
1K
STK40202
0.022 0.022
10K
1/50
3
µ
H
3
µ
H
IC201
R467
Q461
Q463
D461
R465
C471
R471
C473
C478
R469
R470
R475
C475
R477
R473
R463
C461
C463
R461
C469
R466
R472
R474
R476
C472
C474
C464
R464
R462
C462
C476
R478
R468
C408
C404
C402
C406
IC401
C403
C407
C405
C401
R415
R417
C417
C419
C421
C423
C425
R439
R437
R421
C415
R419
C430
D403
C429
D402
D401
R441
C432
C431
C433
R422
R416
R418
R438
C418
C420
C426
C422
C424
R440
R420
C416
L201
C223
R229
C219
C221
C252
C251
C222
C224
L202
R230
C220
RLY201
D204
Q207
R231
C236
C234
R235
C233
C235
R236
R220
Q204
R224
C218
R222
D202
Q203
D201
R223
C217
R219
R221
C204
R208
C210
C208
R210
C206
R218
C216
R216
R214
R212
C212
C211
R205
Q201
C201
R203
R206
R204
Q202
R201
R211
R232
C205
C207
R213
C215
R215
C209
R209
R207
R217
C203
JK601
L205
C226
R228
R227
L204
L203
C225
CNP751
D807
D808
Q205
D203
Q206
R225
C230
R226
Q241
Q242
C241
Q891
R894
D893
R893
R892
D892
R891
D891
CNP881
CNW881
M802
R887
R885
Q884
R886
Q883
D881
R881
Q881
R883
R884
R882
C880
C881
Q882
R880
L803
C603
C604
C605
C609
607
R609
C608
R612
Q605
R610
R611
D602
ZD602
C610
R234
R233
CNP702
R442
R202
IC601
C213 C214
R423
R425
R424
SO601
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