LG 60PK750 Service Manual page 17

POWER B/D
POWER Wafer 24P
P500
SMAW200-H18S1
CURRENT: MAX 6A 1
P_+5V L501
3
EAM38058401
5
CB4532UK121E
7
C503 C504 C505 9
10uF 100uF 0.1uF
11
6.3V 16V 16V
13
READY
15
17
+5V_ST
READY
19
R500
R503
10K
100
RL_ON
READY
R501
R504
10K
JP1107
100
5V_ON
Stand-by (5VST --> +3.3V)
+5V_ST +3.3V_ST
IC500
EAN58801701
AP2121N-3.3TRE1
VIN 2 VOUT
3
1
GND
C500 C502 C506 C509
10uF 0.1uF 10uF 0.1uF
6.3V 16V 6.3V 16V
Instant Boot (5V -->1.8V_DDR)
+5V_ST
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
R1
CIC21J501NE IC501
MP2212DN
L500
FB EN/SYNC
1 8
R2
GND SW_2
2 3A 7
IN SW_1
Placed on SMD-TOP 3 6
C510
BS VCC 0 . 1 u F
C3063
4 5
C501
50V
0 . 1 u F
C IN
22uF
16V
10V
R505
C508
10
1uF
1/10W
1% 10V
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
FRC DDR 1.5V & Multi 5V Switch
CURRENT: MAX 3A
L504 P_17V
0LCML00003B
MLB-201209-0120P-N2
2
4
C514 C516
0.1uF 47uF
6
+3.3V_MULTI
50V 25V
8
JP1106 READY
10
R511
12
10K
14 CURRENT: MAX 3A
L505 ERROR_DET
16
0LCML00003B
18 +5V_ST
MLB-201209-0120P-N2
C515 C517 C518
0.1uF 10uF 100uF
RL_ON
16V 6.3V 16V
READY
R512
100
AC_DET
C511
0.1uF
16V
Multi Power(5V -->2.5V)
L503
EAM44020101
+3.3V_NEC_ST
CB3216PA501E
Instant Boot (5V -->BCM3556 CORE 1.2V)
AGND
SS
C519
D1.8V
10K 0 . 1 u F PGND_1
R509
INSTANT_BOOT
SW_1
L1304
L502
CIC21J501NE
3.6uH
IN_1
NR8040T3R6N
NC
C512
C513 +5V_ST
22uF 0 . 1 u F
10V BS
MP2208DL-LF-Z
Placed on SMD-TOP
+5V_ST
P_+5V
P_+5V
R517
10K
C
R514
10K
B
Q500
2SC3052
E
BCM3556 core 2.5V
A2.5V
+5V_MULTI
IC503
0IPMG78346A L509
AZ1085S-ADJTR/E1
0LCML00003B
MLB-201209-0120P-N2
INPUT OUTPUT
3 2
1
READY
ADJ/GND R533 C525 C526
C520 C521 1K 10uF 0.1uF
C533
10uF 0.1uF 6.3V 16V 47uF
1%
6.3V 16V 16V
R1
R2
V 0 = 1 . 2 5 ( 1 + R 2 / R 1 )
R520
10K
EP
R526
FB
1 14
100K
EN/SYNC
2 13
PGND_2
3 12
IC502
R1 R2
SW_2
4 11
IN_2
5 10
POK
6 9
VCC R518
7 8
27
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
+5V_MULTI
L516
0LCML00003B
MLB-201209-0120P-N2
C540 C548
0.1uF 100uF
16V 16V
Q501
EBK60706901
AO4813
S2 1 8 D2_2
+5V_USB
G2 2 7 D2_1
L510
0LCML00003B
S1 3 6 D1_2 MLB-201209-0120P-N2
G1 4 5 D1_1
C535 C549
100uF
0.1uF
16V 16V
4.4A
Multi Power(5V -->3.3V)
+5V_MULTI
IC505
0IPMG78341A
AZ1085S-3.3TR/E1
INPUT MAX 3A
3
1
READY ADJ/GND
C536 C544
10uF 0.1uF
6.3V 16V
P_17V
IC504
MP8706EN-C247-LF-Z
IN
1
SW_1
C539 C3064
2
10uF 0 . 1 u F
25V
50V 3A
SW_2
3
C542 0 . 1 u F
BST
4
R522
47
L514
10uH
NR8040T100M
A3.3V
L518
MLB-201209-0120P-N2
120-ohm
C561
C555
0.1uF
10uF
16V
6.3V
D3.3V
L515
MLB-201209-0120P-N2
120-ohm
C552
C566
0.1uF
16V 10uF
6.3V
+3.3V_USB_HUB
MLB-201209-0120P-N2
120-ohm
L519 C556
0.1uF
16V
+3.3V_MULTI
L1307
MLB-201209-0120P-N2
OUTPUT
2
C3066
C565
0 . 1 u F
100uF C551 C554
16V
16V 10uF 0.1uF
6.3V 16V
+5V_TU
L520
EAP51195601
CBC3225T330KR
GND
8
C550
1uF
VCC
C562 C567 C569
7 50V
22uF 100uF 0.1uF
10V 16V 16V
R524 R1
FB 10K
6
+5V_MULTI
EN/SYNC
5
R525
10K
R2
Vout=(1+R1/R2)*0.8
0 8 / 1 0 / x x
BCM AUS DVR
5
SMPS POWER
LGE Internal Use Only
1 3