Circuit Voltage Chart; Capacitors; Connectors - LG CM9750 Service Manual
Hide thumbs
Also See for CM9750:
- Owner's manual (41 pages) ,
- Simple manual (4 pages) ,
- Simple manual (4 pages)
Table of Contents
Advertisement
CIRCUIT VOLTAGE CHART
1. CAPACITORS
100 V-10 %
Value
Location
Capacitor
Voltage_Spec
(uF)
SMPS Board
C904
330 uF
45 0V
C911
100 uF
50 V
C930
68 uF
450 V
C932
22 uF
50 V
C936
1000 uF
16 V
C956
470 uF
16 V
C957
100 uF
16 V
C958
100 uF
16 V
C964
220 uF
25 V
C966
2200 uF
80 V
C968
2200 uF
80 V
240 V/50 Hz+10 %
Location
Measured
Measured
voltage
voltage
C209
395 V
395 V
C226
13.5 V
13.8 V
C231
138 V
336 V
C238
14 V
14.5 V
C240
5.65 V
5.68 V
C308
5.1 V
5.08 V
C344
-5 V
-5 V
C345
12 V
12 V
C347
11.99 V
11.98 V
C402
66.5 V
66.5 V
C404
66.5 V
66.5 V
C409
C416
C418
C427
C501
C5C9
C5E1
C604
C622
C627
C707
C728
C752
C798
C904
C926
C927
C936
C937
C944
C948
C958
C963
C964
C966
C968
-20 %
+20 %
Value
SPEC
(88 V, 60 Hz)
(288 V, 60 Hz)
Capacitor
[V]
[u]
Voltage [V]
Voltage [V]
4.7 u
50 V
2.02
2.02
100 u
16 V
11.31
11.32
100 u
16 V
5.00
5.00
220 u
16 V
3.30
3.30
220 u
6.3 V
1.26
1.26
47 u
16 V
5.21
5.21
47 u
16 V
5.01
5.01
47 u
16 V
5.64
5.64
470 u
10 V
3.37
3.38
100 u
16 V
5.00
5.00
47 u
16 V
3.32
3.32
47 u
16 V
3.32
3.32
47 u
16 V
1.66
1.66
3.3 u
50 V
0.52
0.51
220 u
16 V
8.73
8.73
220 u
10 V
3.23
3.23
1000 u
6.3 V
3.35
3.36
47 u
16 V
3.36
3.35
47 u
16 V
5.12
5.12
470 u
16 V
2.77
2.77
47 u
50 V
27.04
27.09
1000 u
80 V
65.84
65.84
1000 u
80 V
65.56
65.58
2200 u
80 V
65.98
65.98
2200 u
16 V
66.08
66.08
330 u
450 V
394.50
394.50
47 u
50 V
15.72
15.74
47 u
50 V
17.10
17.20
1000 u
16 V
5.65
5.65
2200 u
16 V
5.66
5.66
470 u
25 V
12.64
12.70
220 u
25 V
7.00
6.92
100 u
16 V
11.83
11.84
1000 u
25 V
16.17
16.18
220 u
25 V
11.81
12.02
1000 u
80 V
66.10
66.07
1000 u
80 V
65.58
65.84
3-69
3-70
2. CONNECTORS
No Pin
Pin Name
Spec.
Input Voltage
SMPS <-> MAIN
CN901 (SMPS)
5
-5 V
-5
7,8
+5.6 V
5.6
11
14 VA
14
12
12 V
12
14
-B (-PVDD)
-58
15
GATE
-54
SMPS <-> MAIN
CN902 (SMPS)
1,2
+B (+PVDD)
58
5,6
-B (-PVDD)
-58
FRONT <-> MAIN
CN315 (FRONT)
7
FL-
-25
14
VKK
-27
15
FL+
-22
16
3.3V
3.3
24
12V
12
MAIN <-> FRONT (USB)
CN502 (MAIN)
2,3
5.6 VA
5.6
MAIN <-> BT Module
CN504 (MAIN)
10
3.3 VA
3.3
MAIN <-> Pick-up (MD)
CN400 (MAIN)
8
DVCC_5V
5
CN603, CN604
MAIN <-> FAN Module
1
12 V
12
FRONT <-> CTRL_A
CN311 (FRONT)
6
12 V
12
Output Voltage
CN106 (MAIN)
-4.98
-4.96
5.63
5.64
12.86
12.68
11.91
11.84
-58
-58.1
-54.11
-54.13
CN110 (MAIN)
65.81
65.81
-66.08
-66.08
CN605 (MAIN)
-24.84
-24.87
-27.14
-27.15
-22.46
-22.45
3.37
3.35
11.83
11.87
CN314 (FRONT)
5.64
5.64
BT Module
3.329
3.329
MD
5.01
5.01
FAN Module
(MAIN)
11.83
11.85
CN301
(CONTROL)
11.82
11.82
- Quick Links:
- Sound
Hide quick links:
Advertisement
Table of Contents
