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Sanyo DC-PT80 Service Manual page 28

Dvd micro system
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SCHEMATIC DIAGRAM (AMP-DG)
CN442
R4150
L4150
12K
22UH
AUX1_L
L4250
R4250
12K
22UH
AUX1_R
TU_CE
9
TU_CE
TU_DI
8
TU_DI
TU_CLK
7
TU_CLK
TU_DO
6
TU_DO
TU_R
5
TU_R
L4500
AGND
4
22
TU_L
3
TU_L
+5.6V
2
+5.6V
+9V
1
09
CN450
9V
CN460
TO C_MECHANISM
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL
OF SPECIAL SIGNIFICANCE.
WHEN REPLACING A COMPONENT IDENTIFIED BY
! ! !
AND
LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE PRODUCT TO THE CUSTOMER.
9V
+5.6V
R4121
15K
DVD_L
TU_L
R4123
12K
AUX1_L
C4125
1/50
16
17
18
19
20
21
22
23
24
25
26
27
28
29
L
L
L
L
L
L
NC
AUX2
DVD
TU
AUX1
TIM
Vref
VDD
RECOUT
VRIN
TRE
BASS1
BASS2
OUT
IC441
LC75348
R
R
R
R
R
R
NC
AUX2
DVD
TU
AUX1
TEST
VSS
CE
SELO
VRIN
TRE
BASS1
BASS2
OUT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
C4225
1/50
AUX1_R
R4223
12K
TU_R
DVD_R
R4221
15K
Q4500
Q4501
KRA107S
KRA107S
+5.6V
+5.6V
9
8
7
6
5
4
3
2
1
, USE ONLY THE REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL.
- 28 -
IC442
KIA6282K
1
2
3
4
5
6
C4135
100/16
Q4151
KTD1303
R4134
4.7K
30
C4131
R4133
C4132
CL
1/50
1K
1/50
1/50
1K
1/50
C4231
R4233
C4232
DI
R4239
1
8.2K
4.7K
Q4201
R4234
KRC107M
KTD1303
Q4251
Q4101
KRC107M
Q4891
KRC107M
Q4850
KTC3205
9V
R4854
2.2K
+5.6V
Q4890
KTC3198
Q4893
KRC107M
SI-8050RD
1
2
+5.6V
R4801
100
L4801
165U
+5.6V
PR482
2500mA
P
C_GND
C_GND
C_GND
P
13
12
11
10
9
8
7
6
5
4
3
2
1
TO FRONT
PRODUCT SAFETY NOTICE
AND
MARK IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY AND PERFORMANCE CAN BE
! ! !
HEAD PHONE PWB
7
8
9
10
11
12
C4235
100/16
06
CN470
CN440
06
C4136
1000/16
R4139
8.2K
C4236
1000/16
Q4892
KTA1273
R4891
2.2K
R4892
47K
Q4851
KTC3198
IC480
L4802
22
3
4
5
C_GND
C_GND
L4800
C_GND
C_GND
22
C_GND
C_GND
P
D4903
D4900
RL203
RL203
D4902
D4901
RL203
RL203
D4905
RL203
D4906
RL203
- 29 -
C4700
0.01
L4720
1000
R4700
R4701
L4700
L4701
82
150
22UH
1000
L4750
L4751
22UH
1000
R4750
R4751
HEAD PHONE
82
150
CN475
SP471
CN401
LEFT
SPEAKER
RIGHT
SP481
SPEAKER
C4863
0.01
SH_GND
SH_GND
SH_GND
C4864
0.01
SH_GND
CN491
PT490
CN490
02
L4900
WR490
02
WR491
AC 220V
C4950
0.047
50HZ
C4951
0.047
This is a basic schematic diagram.

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