- 34 -
Service Manual
Model No.: 48E2500
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
D D
C C
B B
A A
GND
12V
1
2
3
4
CN18
4PIN-2.54-D-H-G-B
1
2
3
5
4
7
6
GND
RIN
RSPK
ERO
ELO
LSPK
LIN
CNA2
NC/PJ-339
C15
NC/10uF-0805-X5R-± 20%-16V
C17
NC/10uF-0805-X5R-± 20%-16V
LOUT+'
ROUT+'
LOUT-
ROUT-
RA33
NC/1Kohm-0402-± 5%-1/16W
RA35
NC/1Kohm-0402-± 5%-1/16W
CA34
NC/6800pF-0402-X7R-± 10%-50V
CA33
NC/6800pF-0402-X7R-± 10%-50V
GND
LOUT+
ROUT+
EP_L
EP_R
AMP-MUTE AMP_MUTE/
RA31
4K7ohm-0402-±5%-1/16W
GND
RA32
4K7ohm-0402-±5%-1/16W
SD
1
FAULT
2
LINP
3
LINN
4
GAIN0
5
GAIN1
6
AVCC
7
AGND
8
GVDD
9
PLIMIT
10
RINN
11
RINP
12
NC
13
PBTL
14
PVCCR
15
PVCCR
16
BSPR
17
OUTPR
18
PGND
19
OUTNR
20
BSNR
21
BSNL
22
OUTNL
23
PGND
24
OUTPL
25
BSPL
26
PVCCL
27
PVCCL
28
UA1
TPA3110LD2PWPR
CA24
1uF-0402-X5R-± 20%-16V
CA15
1uF-0402-X5R-± 20%-16V
RA11
12Kohm-0402-±5%-1/16W
CA25
1000pF-0402-X7R-± 10%-50V
CA3
1000pF-0402-X7R-± 10%-50V
GND
GND
CA7
0.22uF-0402-Y5V-+80%-20%-16V
CA22
0.22uF-0402-Y5V-+80%-20%-16V
CA13
0.22uF-0402-Y5V-+80%-20%-16V
CA12
0.22uF-0402-Y5V-+80%-20%-16V
GND
GND GND
GND
LOUT+
ROUT+
AMP_MUTE/
AVCC
RA8
33Kohm-0402-±5%-1/16W
AVCC
GND
GND
GND
GND
GND
RA21
100ohm-0402-± 5%-1/16W
RA10
100ohm-0402-± 5%-1/16W
5V_M
CA6
0.22uF-0402-Y5V-+80%-20%-16V
CA8
0.22uF-0402-Y5V-+80%-20%-16V
CA20
0.22uF-0402-Y5V-+80%-20%-16V
CA21
0.22uF-0402-Y5V-+80%-20%-16V
CA4
NC/2200pF-0402-X7R-± 10%-50V
CA5
NC/2200pF-0402-X7R-± 10%-50V
CA10
NC/2200pF-0402-X7R-± 10%-50V
CA17
NC/2200pF-0402-X7R-± 10%-50V
RA1
10ohm-0402-± 5%-1/16W
CA28
0.1uF-0402-X5R-± 20%-16V
CA2
0.1uF-0402-X5R-± 20%-16V
LOUT-
ROUT-
CA27
NC/1000pF-0402-X7R-± 10%-50V
CA29
NC/1000pF-0402-X7R-± 10%-50V
RA4
NC/10Kohm-0402-±5%-1/16W
LBA1
NC/UPZ2012E601-2R0TF(600ohm-2000mA)
LBA2
NC/UPZ2012E601-2R0TF(600ohm-2000mA)
LBA3
NC/UPZ2012E601-2R0TF(600ohm-2000mA)
LBA4
NC/UPZ2012E601-2R0TF(600ohm-2000mA)
+
EA1
470uF-16V-±20%-8×12-105 -SZ
12V
+
LA1
SCD54TL-220M
+
LA2
SCD54TL-220M
+
LA3
SCD54TL-220M
+
LA4
SCD54TL-220M
AMP-LO'
AMP-RO'
CA9
1uF-0603-Y5V-+80%-20%-16V
CA11
1uF-0603-Y5V-+80%-20%-16V
CA14
1uF-0603-Y5V-+80%-20%-16V
CA19
1uF-0603-Y5V-+80%-20%-16V
CA1
10uF-0805-X5R-± 20%-16V
CA16
NC/10uF-0805-X5R-± 20%-16V
RA3
0ohm-0603-±5%-1/10W
RA6
0ohm-0603-±5%-1/10W
DA1
0ohm-1206-±5%-1/4W
AMP_VCC
AMP_VCC
AMP_VCC
AMP_VCC
+
EA2
NC/470uF-25V-±20%-10× 12.5-105 -GF- -F=5.0(CapXon)
RA12
NC/12Kohm-0402-±5%-1/16W
CA18
1uF-0402-X5R-± 20%-16V
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2014/3/14 Sheet of
File: E:\ PCB \..\TV#08_LineOut.SchDocDrawn By:
PH-RO-1
PH-LO-1
5V_M
UVP
GND
PH-AROUT
PH-ALOUT
RA71
NC/1Kohm-0402-±5%-1/16W
RA72
NC/1Kohm-0402-±5%-1/16W
CA60
NC/0.1uF-0402-Y5V-+80%-20%-16V
CA61
10uF-0603-X5R-±20%-6.3V
GND
RA62
0ohm-0402-±5 % -1/16W
3V3_STB
RA68
12Kohm-0402-±5%-1/16W
RA69
4K7ohm-0402-±5%-1/16W
RA67
12Kohm-0402-±5%-1/16W
PH-AROUT
PH-ALOUT
GND
RA7
1Kohm-0402-±5%-1/16W
RA13
1Kohm-0402-±5%-1/16W
GND GND
GND
UVP
CL54
2.2uF-0402-X5R-±20%-6.3V
CL55
2.2uF-0402-X5R-±20%-6.3V
C10
1000pF-0402-X7R-±10%-50V
CL4
1000pF-0402-X7R-±10%-50V
RL10
200Kohm-0402-±5%-1/16W
RL9
200Kohm-0402-±5%-1/16W
RL52
33Kohm-0402-±5%-1/16W
RL54
33Kohm-0402-±5%-1/16W
CL53
NC/220pF-0402-NPO-±5%-50V
CL56
NC/220pF-0402-NPO-±5%-50V
RA51
100Kohm-0402-±5%-1/16W
RA53
100Kohm-0402-±5%-1/16W
CA52
NC/33pF-0402-NPO-±5%-50V
CA51
NC/33pF-0402-NPO-±5%-50V
RA58
33ohm-0402-±5%-1/16W
RA57
33ohm-0402-±5%-1/16W
CA57
10uF-0603-X5R-±20%-6.3V
CA58
10uF-0603-X5R-±20%-6.3V
CA59
0.1uF-0402-Y5V-+80%-20%-16V
RINP
1
RINN
2
ROUT
3
GND
4
SDN
5
VSS
6
CPN
7
CPP
8
VDD
9
PGND
10
UVP
11
LOUT
12
LINN
13
LINP
14
APA2171
TSSOP14
UA2
APA2171OI-TRG
PH-RO-1
PH-LO-1
PH-ROUT
PH-LOUT
HP-SDN
LINE_L_OUT
LINE_R_OUT
RL1
100ohm-0402-±5%-1/16W
RL12
100ohm-0402-±5%-1/16W
GND
HP_VCC
HP_VCC
GND
1
2
3
CN7
NC/3PIN-2.0-D-H-G
PH-AROUT
PH-ALOUT
1
2
3
4
5
GND
ERO
RSPK
LSPK
ELO
CN2
PJ-325
PH-ROUT
PH-LOUT
RA17
NC/1Kohm-0402-±5%-1/16W
RA16
NC/47Kohm-0402-±5%-1/16W
HP-IN
3V3_STB
RA64
10Kohm-0402-±5%-1/16W
HP-SDN
RA65
4K7ohm-0402-±5%-1/16W
GND
RA14
NC/0ohm-0402-±5%-1/16W
AMP-MUTE
RA90
0ohm-0402-±5 % -1/16W
HP-IN
LINE-EN
LINE-EN
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