Charge Circuit Diagram - LG DP450G Service Manual

5. CHARGE CIRCUIT DIAGRAM

POWERJACK POWERJACK
J604 J604 C621 C621 D606 SS5822 D606 SS5822
DC_IN 0.1uF 0.1uF BAT_OUT
1 1 2
3
C613 C613
2
POWERJACK POWERJACK 4.7uF/25V 4.7uF/25V 0.1uF 0.1uF + CE606 + CE606
C628 C628 R652 R652 100uF/25V 100uF/25V
C609 C609 150K 150K
TP619 TP619
4.7uF/25V 4.7uF/25V TP618 TP618
AD_PR
R653 R653
C616 C616 51K 51K
C630 C630 C629 C629 C631 C631 0.1uF 0.1uF
5VA
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
C632 C632 C633 C633 C634 C634
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
D603 D603
1 2
C606 C606 R628 R628
LL4148 LL4148
51K 51K
1000pF 1000pF
C
2
TP607 TP607 L601 L601
B E
1 3
FUSE(2A) FUSE(2A)
1 2
9013
D601 D601
SS5822 SS5822
CE602 CE602 + +
47uF/25V 47uF/25V
C619 C619
0.1uF 0.1uF
TP621 TP621
D607 D607
BAT54S BAT54S
GND
50R 50R FB4 FB4
B+
FB5 FB5
50R 50R
R632 R632
BATTERY
330 330
CON3_2.0MM_DIP_B CON3_2.0MM_DIP_B C624 C624
FB3 FB3 0.1uF(X7R) 0.1uF(X7R)
3
2 BC
B- 50R 50R
1
R629 R629
330 330
J601 J601
FB2 FB2
C622 C622
FB1 FB1
0.1uF(X7R) 0.1uF(X7R)
50R 50R 50R 50R
D605 D605
LL4148 LL4148
DC_IN
1 2
R645 NC R645 NC
BAT_OUT 3 2
Q604 Q604
R641 R641
Q_2N3906 Q_2N3906 1K 1K
R637 R637
R634 R634 3.6K 3.6K
3.6K 3.6K
Q605 Q605
R636 R636 Q_2N3904 Q_2N3904
C C
R638 R638
SYS_EN 10K 10K B B 3.6K 3.6K C627 C627
1
R639 R639 E E 104 104
10K 10K
BAT_5V
U603 U603
TP620 TP620
GT6312A GT6312A
RED
1 20
TC_SET SC_SET
GREEN
2 19
DO CC_SET
STANDBY
3 18
RED CHG_CTL
C614 C614 C615 C615 5VA PW_SW_IN
4 17
GREEN DC_CTL
PWM
5 16
PWM VREF
SP_MUTE
0.1uF 0.1uF 0.1uF 0.1uF R635 R635 1K 1K 6 15
PWMT FB
7 14
RST OSC
R604 R604 C620 C620 8 13
GND VDD
51K 51K R640 R640 AD_U
9 12
SAM_U SAM_V
0.1uF 0.1uF AD_I 10 11
SAM_I SAM_T
AVLC18S02003 AVLC18S02003
LED603 LED603
R620 750 R620 750
RED
1
2 IR1 IR1
GREEN R24FV1A DIP R24FV1A DIP
3
R627 240 R627 240 R36 R36
LED3 LED3
IR G VCC IR G VCC
4.7K 4.7K
IR
C43 C43 C44 C44
20pF 20pF
10uF/16V 10uF/16V
TP609 TP609 U601 U601
APM4953K APM4953K
L602 L602
1 8
S1 D1
C C
2 7 33UH 33UH
G1 D1
B B Q601 Q601
1 3 6
S2 D2
R610 R610 4 5
2N3904 2N3904
G2 D2
E E
R614 R614 10K 10K D602 D602
10 10 + CE604 + CE604
SS5822 SS5822
R613 R613 220uF/16V 220uF/16V
10K 10K
R616 R616 R611 R611
E E
51 51 150K 1% 150K 1%
3906 3906
1
B B Q602 Q602
AD_U
C C
TP614 TP614
C601 C601 R621 R621
R623 R623 0.1uF 0.1uF 51K 1% 51K 1%
2K 2K
C C
B B
Q603 Q603 1
2N3904 2N3904 TP615 TP615
E E
R624 R624 R625 R625 PWM
close to IC6312 pin
10K 10K 3.6K 3.6K
P+
R633 1K R633 1K
U604 U604
4 3
VC V-
U605 U605
5 2 C623 C623
VDD Cout SM9926K SM9926K
0.1uF(X7R) 0.1uF(X7R)
6 1
VSS Dout
R5460N214AC R5460N214AC
TP616 TP616
P-
Q606 Q606
5VA
Q_2N3904 Q_2N3904
2 3
C625 C625
C626 C626
+ + R644 R644
104 104 10K 10K
CDV 22uF/10V CDV 22uF/10V
D608 D608 PW_SW_IN
R646 R646
TL431K TL431K 10K 10K C C
Q607 Q607
B B
SYS_EN 1
Q_2N3904 Q_2N3904
E E
R643 R643
20K 20K
5VA 5VA
R630 R630 R631 R631
IR_OUT 2.4K 2.4K 1K 1K
BAT_5V C611 C611 + +
IR C607 C607
LCD_ON/OFF NC/20p NC/20p CE607 CE607 0.1uF 0.1uF
VREF 100uF/10V 100uF/10V C612 C612 + +
A_MUTE_SW
0.1uF 0.1uF U602 U602
R626 R626 9.1K 1% 9.1K 1% CE610 CE610
47U/10V 47U/10V TL431K TL431K
AD_KEY 1K 1K R642 R642 AD_K
AD_PR
C610 C610
R608 R608
0.1uF 0.1uF
5VA
10K 1% 10K 1%
5VA
TP5 TP5
R40 R40
100 100
TP6 TP6
C46 C46
104 104
TP610 TP610
P+ P+
TP612 TP612
TP611 TP611 C617 C617
R615 R615
0.1uF 0.1uF
1K 1K
AD_I P-
R612 R612 R617 R617 R618 R618 R619 R619
C618 C618
NC NC 0.15 1W 0.15 1W 0.15 1W 0.15 1W 0.15 1W 0.15 1W
0.1uF 0.1uF
R622 R622
NC NC
SSSS811101 SSSS811101
SW206 SW206
5 4
3 R244 R244
100 100
SYS_EN
2
BAT_OUT
1 R245 R245
47K 47K
6 7
3-35 3-36
OFF-PAGE CONNECTION
VREF
IR
IR 7
IR_OUT
IR_OUT 2
C608 C608 SP_MUTE
SP_MUTE 5
A_MUTE_SW
0.1uF 0.1uF
A_MUTE_SW 5
5VA
5VA 4,7
BAT_OUT
BAT_OUT 4,5,7
STANDBY
STANDBY 4,5
GND
GND 2,3,4,5,7
POWER I/F
AD_K
AD_K 7
LCD_ON/OFF
LCD_ON/OFF 5
MPEG I/F
Sunday, October 05, 2008