TCL PDP42U3H Service Manual page 25

5
VOLTAGE
P8
+5V_MAIN
D
1
+5V
2
+5V
C332
3
+5V
10uF/16V
4
GND
5
GND
6
GND
+12V_MAIN
7
+12V
GND
8
+12V
9
GND
10
GND
11
NC
GND_2596
12
NC
JST-S12B-PH-K
C
CN4 +9V
+5V_MAIN FB49
1
1 2
2
FB51
GND
CON
1 2
CHANGE
B
FB56
1 2
C353
10uF/16V
GND
A
+5V_STB
FB58
1 2
C359
10uF/16V
5
4
+3.3V DIGITAL POWER
U37 LM1084CM-3.3
3 2
IN OUT
C333 C334 C335
4
TAB
0.1uF 0.1uF 47uF/10V
GND
+5V
+5V_MAIN
R281 0
+2.5V DIGITAL POWER
U38 RT9172-2.5
2 4
Vin Vout
FB52
1 5 1 2
/SD FEEDBACK
C345
0.1uF
GND
JA2.5V1
FB53
1 2
C348
10uF/16V
LM1117MPX-2.5 A2.5V
U41
3 2
IN OUT
A2.5V
4
TAB
AGND2
C354
10uF/16V
JA2.5V2
FB57
1 2
C355
GND
10uF/16V
AGND3
U42 LM1117MPX-3.3
3 2
IN OUT
C357
4
TAB
C356 C358
10uF/16V
0.1uF 0.1uF
GND
4
3
+12V
CN002
1
R212 R +5V_ANALOG
2
3
R215 R
4
4 HEADER
GND
+3.3V
+12V_MAIN
R335 10 R336 4.7
R337 R338 R339
C336
NC NC NC
470uF/25V
+9V
CHANGE
+2.5V
C347
0.1uF
+5V_ANALOG
FB50
1 2
C343
10uF/16V
+3.3V
FB54
1 2
FB55
1 2
10uF/16V
+3.3V_STB
25
3
2 1
+5V ANALOG POWER
U36
L28
1 3
Vin Vout
100uH
C337 7805
C339 C338
0.1uF 47uF/16V
0.1uF
GND
+3.3V ANALOG POWER
U39 LM1117MPX-3.3
+3.3V_ANALOG
3 2
IN OUT
C341
4
TAB
C340 C342
10uF/16V
0.1uF 0.1uF
GND
+1.8V DIGITAL POWER
U40 LM1117MPX-1.8
+1.8V
3 2
IN OUT
C349 C351
4
TAB
C350 C352
10uF/16V
0.1uF 0.1uF
GND
Title
POWER
Size Document Number
PDP42U3H
Date: Monday, June 14, 2004 Sheet
2 1
D
+5V_Analog
C
B
A
Rev
1
2 of 21