Connectors; Capacitors - LG DM2740 Service Manual

2. CONNECTORS

LOCATION PIN NUMBER
MAIN
1,2,3
CN202
4,5,6
MAIN
4,9,10,12
CN107
(TOP JCAK)
11
MAIN
3,7,14
6
CN102
5
(VFD)
4
1,2
MAIN
5.6
CN100 (B/T)
1,11

3. CAPACITORS

LOCATION SPEC
C136 1000uF/6.3V
C137 220uF/16V
C283 10uF/16V
C284 10uF/16V
C298 10uF/16V
C404 220uF/16V
C489 100uF/16V
C701 470uF/50V
C732 470uF/50V
C902 4.7uF/50V
C907 4.7uF/50V
C910 1000uF/6.3V
C912 47uF/50V
C913 47uF/50V
C914 47uF/50V
C942 4.7uF/50V
C952 4.7uF/50V
C956 4.7uF/50V
SPEC REAL VOLTAGE
PVDD 25.4
DGND 0
DGND 0
USB_5.6V 5.6
DGND 0
FL+ -26.2
FL- -21.9
VKK -28.9
3.7VA 3.68
DVDD_3V3 3.27
DGND 0
ENG. VOLTAGE REAL VOLTAGE
MAIN BOARD
3.3 3.42
12 11.75
3.3 3.24
3.3 2.43
3.3 3.23
5 5.10
1.2 1.25
26 25.40
26 25.40
26 25.40
26 25.40
4.5 4.88
22 21.90
30 29.20
27 26.30
26 25.40
26 25.40
26 25.40
LOCATION
CN901
CN370
CN301
LOCATION
C377
C3A4
C346
C349
C350
C353
C354
C3M4
3-41 3-42
PIN NUMBER SPEC
SMPS
1,2,3 PVDD
4,5,6 DGND
TOP JACK
4,9,10,12 GND
11 VCC_5V
VFD
1,2 3.7V
4 VKK
5 FL-
6 FL+
3,7 GND
B/T
SPEC ENG. VOLTAGE
FRONT JACK BOARD
10uF/16V 5.6
10uF/16V 5.6
FRONT VFD BOARD
100uF/16V 3.3
47uF/50V 90
47uF/50V 22
47uF/50V 27
47uF/16V 3.3
MIC BOARD
22uF/16V 2
REAL VOLTAGE
25.4
0
0
5.6
3.68
-28.9
-21.9
-26.2
0
REAL VOLTAGE
5.50
5.50
3.37
28.9
21.9
26.3
3.29
2