LG DP450P Service Manual

3-35 3-36
Sunday, October 05, 2008
A_MUTE_SW
AD_KEY
VREF
BAT_OUT
GND
VREF
SP_MUTE
PW_SW_IN
DC_IN
AD_K
LCD_ON/OFF
GND
STANDBY
P-
P+
AD_U
AD_I
LCD_ON/OFF
AD_PR
RED
AD_PR
AD_K
PWM
IR
GREEN BAT_5V
GREEN
PWM
AD_U
P+
AD_I
5VA
IR_OUT
STANDBY
SP_MUTE
P-
IR_OUT
A_MUTE_SW
P+
RED
IR
BAT_OUT
BAT_OUT
PW_SW_IN
SYS_EN
DC_IN
IR
5VA
BAT_OUT
SYS_EN
SYS_EN
BAT_5V
BC
B+
B-
5VA
5VA
5VA 5VA
5VA
5VA
AD_K7
A_MUTE_SW5
SP_MUTE5
IR_OUT 2
STANDBY 4,5
IR 7
5VA 4,7
BAT_OUT 4,5,7
GND 2,3,4,5,7
LCD_ON/OFF 5
E
C
3
2
9013
MPEG I/F
1
BATTERY
B
OFF-PAGE CONNECTION
POWER I/F
+
CE604
220uF/16V
+
CE604
220uF/16V
12
+
C626
CDV 22uF/10V
+
C626
CDV 22uF/10V
12
R618
0.15 1W
R618
0.15 1W
C628
4.7uF/25V
C628
4.7uF/25V
C630
0.1uF
C630
0.1uF
R631
1K
R631
1K
TP620TP620
R636
10K
R636
10K
R627 240R627 240
R619
0.15 1W
R619
0.15 1W
C606
1000pF
C606
1000pF
TP615TP615
C617
0.1uF
C617
0.1uF
U605
SM9926K
U605
SM9926K
S1
1
G1
2
S2
3
G2
4
D2
5
D2
6
D1
7
D1
8
C614
0.1uF
C614
0.1uF
B
C
E
Q604
Q_2N3906
B
C
E
Q604
Q_2N3906
23
1
C633
0.1uF
C633
0.1uF
FB1
50R
FB1
50R
U602
TL431K
U602
TL431K
TP619TP619
R622
NC
R622
NC
R653
51K
R653
51K
R629
330
R629
330
B
C
E
Q606
Q_2N3904
B
C
E
Q606
Q_2N3904
1
32
R610
10K
R610
10K
R645 NCR645 NC
R626 9.1K 1%R626 9.1K 1%
R630
2.4K
R630
2.4K
C608
0.1uF
C608
0.1uF
FB2
50R
FB2
50R
C615
0.1uF
C615
0.1uF
R615
1K
R615
1K
C607
0.1uF
C607
0.1uF
C611
NC/20p
C611
NC/20p
+ CE606
100uF/25V
+ CE606
100uF/25V
12
L601
FUSE(2A)
L601
FUSE(2A)
R613
10K
R613
10K
D606 SS5822D606 SS5822
1 2
C622
0.1uF(X7R)
C622
0.1uF(X7R)
C46
104
C46
104
FB3
50R
FB3
50R
C610
0.1uF
C610
0.1uF
R641
1K
R641
1K
B
C
E
Q602
3906
B
C
E
Q602
3906
2 3
1
B
C
E
Q603
2N3904
B
C
E
Q603
2N3904
1
3 2
D602
SS5822
D602
SS5822
1 2
B
C
E
Q601
2N3904
B
C
E
Q601
2N3904
1
3 2
R614
10
R614
10
C609
4.7uF/25V
C609
4.7uF/25V
C621
0.1uF
C621
0.1uF
B
C
E
Q607
Q_2N3904
B
C
E
Q607
Q_2N3904
1
3 2
FB450R FB450R
C44
10uF/16V
C44
10uF/16V
R644
10K
R644
10K
R617
0.15 1W
R617
0.15 1W
TP614TP614
R6421K R6421K
L602
33UH
L602
33UH
TP607TP607
R245
47K
R245
47K
C618
0.1uF
C618
0.1uF
D603
LL4148
D603
LL4148
1 2
FB5
50R
FB5
50R
IR G VCC
IR1
R24FV1A DIP
IR G VCC
IR1
R24FV1A DIP
1 2 3
C631
0.1uF
C631
0.1uF
R625
3.6K
R625
3.6K
R632
330
R632
330
C634
0.1uF
C634
0.1uF
R608
10K 1%
R608
10K 1%
R616
51
R616
51
TP611TP611
TP609TP609
OFFON
SW206
SSSS811101
OFFON
SW206
SSSS811101
2
1
3
45
6 7
U603
GT6312A
U603
GT6312A
RED
3
SAM_U
9
SAM_I
10
GREEN
4
SAM_T
11
OSC
14
SAM_V
12
DO
2
TC_SET
1
VDD
13
FB
15
PWM
5
GND
8
RST
7
PWMT
6
VREF
16
DC_CTL
17
CHG_CTL
18
CC_SET
19
SC_SET
20
R638
3.6K
R638
3.6K
R611
150K 1%
R611
150K 1%
+ CE602
47uF/25V
+ CE602
47uF/25V
12
R652
150K
R652
150K
R244
100
R244
100
TP612TP612
B
C
E
Q605
Q_2N3904
B
C
E
Q605
Q_2N3904
1
3 2
TP6TP6
R624
10K
R624
10K
C612
0.1uF
C612
0.1uF
C624
0.1uF(X7R)
C624
0.1uF(X7R)
TP618TP618
R643
20K
R643
20K
C629
0.1uF
C629
0.1uF
TP621TP621
R620 750R620 750
R612
NC
R612
NC
R40
100
R40
100
R628
51K
R628
51K
R633 1KR633 1K
R637
3.6K
R637
3.6K
C632
0.1uF
C632
0.1uF
+
CE607
100uF/10V
+
CE607
100uF/10V
12
J601
CON3_2.0MM_DIP_B
J601
CON3_2.0MM_DIP_B
1
2
3
D605
LL4148
D605
LL4148
1 2
TP610TP610
R639
10K
R639
10K
C613
0.1uF
C613
0.1uF
C619
0.1uF
C619
0.1uF
R36
4.7K
R36
4.7K
R646
10K
R646
10K
D608
TL431K
D608
TL431K
R635 1KR635 1K
+
CE610
47U/10V
+
CE610
47U/10V
12
C616
0.1uF
C616
0.1uF
C620
0.1uF
C620
0.1uF
C625
104
C625
104
R656
FB(1206-100)
R656
FB(1206-100)
R657
FB(1206-100)
R657
FB(1206-100)
U604
R5460N214AC
U604
R5460N214AC
Dout
1
Cout
2
V-
3
VC
4
VDD
5
VSS
6
C601
0.1uF
C601
0.1uF
C43
20pF
C43
20pF
POWERJACK
J604
POWERJACK
POWERJACK
J604
POWERJACK
1
3
2
4 5
R623
2K
R623
2K
U601
APM4953K
U601
APM4953K
S1
1
G1
2
S2
3
G2
4
D2
5
D2
6
D1
7
D1
8
D607
BAT54S
D607
BAT54S
3
2
1
D601
SS5822
D601
SS5822
1 2
R655
FB(1206-100)
R655
FB(1206-100)
R640
AVLC18S02003
R640
AVLC18S02003
C627
104
C627
104
R604
51K
R604
51K
TP5TP5
R621
51K 1%
R621
51K 1%
LED603
LED3
LED603
LED3
1
2
3
TP616TP616
C623
0.1uF(X7R)
C623
0.1uF(X7R)
R634
3.6K
R634
3.6K
close to IC6312 pin
5. CHARGE CIRCUIT DIAGRAM

LG DP450P Specifications

General

Brand	LG
Model	DP450P
Category	Portable DVD Player
Language	English