LG CM9730 Service Manual page 80

2. CAPACITORS
Location Spec Voltage[V] Location
DSP Block C485
C525 47uF/16V 3.27 C492
C527 47uF/16V 1.18 C4H6
C531 47uF/16V 4.7
C533 47uF/16V 3.3 C303
C550 47uF/16V 1.18 C313
CA501 100uF/16V 11.3 C319
CA502 1uF/50V 0 C322
CA503 4.7uF/50V 1.9
CA504 10uF/16V 2.5 C3J22
CA505 47uF/16V 3.3 C3J24
Ucom Block
C124 3.4 C210
1000uF/6.3V
C151 47uF/16V 3.43 C211
C160 100uF/16V 12 C221
Servo Block C267
C39.61 47uF/16V 1.67
C413 100uF/16V 5.1 C706
C457 47uF/16V 3.3 C720
C458 47uF/16V 3.3 C728
C462 47uF/16V 3.3 C742
C467 3.3uF/50V 1.67 C750
Location Value Capacitor (uF)
C904 270uF
C905 270uF
C911 100uF
C930 68uF
C932 22uF
C936 1000uF
C947 100uF
C956 470uF
C957 100uF
C958 100uF
C964 100uF
C966 2200uF
C968 2200uF
Spec Voltage[V] Location Spec
220uF/16V 5.1 C765 470uF/50V
47uF/16V 3.3 C773 470uF/50V
100uF/6.3V 1.83 C775 1uF/50V
VFD PCB C791 470uF/50V
47uF/50V 7.15 C792 100uF/16V
220uF/6.3V 3.4 C7A1 470uF/50V
47uF/50V 33.1 C7A3 1uF/50V
47uF/50V 2.6 C7B8 470uF/50V
JOG PCB C7C7 470uF/50V
47uF/50V 12 C7E1 470uF/50V
47uF/50V 3.3 C7E9 470uF/50V
ADC Block C7G3 470uF/50V
10uF/16V 0 C7G5 47uF/16V
47uF/16V 0 C7H4 470uF/50V
100uF/16V 3.3 C7K8 470uF/50V
47uF/16V 5.1 PWM Block
AMP Block C603 220uF/6.3V
470uF/50V 39.6 C606 220uF/6.3V
470uF/50V -39.7 C684 100uF/16V
470uF/50V 39.6 VOLUME PCB
470uF/50V -39.7 C3V22 47uF/50V
470uF/50V 39.6 C3V24 47uF/50V
100V-10% 240V/50hz+10%
Voltage_Spec
Measured voltage Measured voltage
SMPS PCB
450V 380V
450V 380V
50V 12.5V
450V 138V
50V 14V
16V 5.65V
50V 31.2V
16V 5.1V
16V -5V
25V 12V
25V 11.99V
50V 39.8V
50V 39.7V
3-83
3. CONNECTORS
Voltage[V] PIN NO. DESCRIPTION VOLTAGE
-39.7 Harness Board IN, 15P, 2.5mm
39.6 MAIN - SMPS
0 CN102
-39.7 1 VKK 32.07
0.6 2 FL+ 7.63
39.6 3 FL- 2.415
0 4 VFDGND
-39.7 5 -5V -5V
39.6 6 AGND
-39.7 7 5.6VA 5.67
39.6 8 5.6VA 5.67
-39.7 9 GND
4.78 AMP_P_
10
CTRL
39.6
PFC_P_
-39.7
11
CTRL
12 MGND
1.2
13 12V 12.14
3.3
14 MICGND
3.3
15 GATE
FFC, 33P, 1.25mm
12
MAIN - MAIN VOLUME
3.3
CN103
1 DGND
2 EQ_T_B
3 EQ_T_A
4 DGND
5 EQ_M_B
6 EQ_M_A
380V
7 DGND
380V
8 EQ_B_B
12.8V
9 EQ_B_A
336V
10 DGND
14.5V
11 KEY1
5.68V
12 AGND
31.5V
13 PT_R
5.08V
14 PT_L
-5V
15 AGND
12V
16 PT_SENS
11.98V
17 EXP_CLK2
39.8V
18 DGND
39.7V
19 JOG_B
20 JOG_A
21 M_VOL_B
22 M_VOL_A
3-84
PIN NO. DESCRIPTION VOLTAGE PIN NO.
23 DGND 12
24 3.3VA 3.4 13
25 12V 12.1 14
26 12V 12.1 15
27 KEY3 16
28 EXP_DAT1 FFC, 17P, 1.25mm
29 EXP_CLK1
30 DGND
31 B_VOL_B 17
32 B_VOL_A 16
33 DGND 15
FFC, 17P, 1.25mm 14
MAIN - VFD 13
CN104 12
1 KEY2 11
2 STBY_LED 10
3 REMOCON 9
4 DGND 8
5 3.7VA 3.73 7
6 DGND 6
7 VFD_DO 5
8 VFD_CLK 4
9 VFD_STB 3
10 DGND 2
11 VFD_RST 1
12 DGND FFC, 17P, 1.25mm
13 VKK 12.14
14 DGND
15 FL+ 7.2 1
16 NC 2
17 FL- 2.45 3
FFC, 16P, 1.00mm 4
MAIN - JACK 5
CN106 6
1 DGND 7
2 SPK_DA1 8
3 SPK_CLK1 9
4 SPK_DA2 10
5 SPK_CLK2 11
6 DGND 12
7 12V 12.14 13
8 12V 12.14 14
9 3.3V 3.33 15
10 3.3V 3.33 16
11 INT 17
DESCRIPTION VOLTAGE
/RST
/SEN
/SDIO
/SCLK
DGND
VFD -MAIN
CN301
KEY2
STBY_LED
REMOCON
DGND
3.7VA 3.7
DGND
VFD_DO
VFD_CLK
VFD_STB
DGND
VFD_RST
DGND
VKK 33.1
DGND
FL+ 7.14
NC
FL- 2.491
JOG -VOLUME
CN3J01
DGND
KEY1
AGND
PT_L
PT_R
AGND
PT_SENS
3.3VA 3.4
DGND
12V 11.9
12V 11.9
JOG_B
JOG_A
DGND
EXP_DAT1
EXP_CLK2
KEY3