Circuit Voltage Chart - LG HT356SD Service Manual
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- Owner's manual (35 pages) ,
- Owner's manual (34 pages) ,
- Owner's manual (34 pages)
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CIRCUIT VOLTAGE CHART
1. ICs ON MAIN AND AMP BOARD
Location Pin No.
Spec.
EE Mode(V)
IC101 MICOM (LC87F5M64A)
9(VDD2)
2.8~5.5
3.4
36(VDD3)
2.8~5.6
3.4
59(VDD1)
2.8~5.7
3.4
5(VLC)
3.1~5.0~5.25
4.95
14(VA)
3.1~5.0~5.25
4.94
36(VLS)
3.1~3.3~5.25
3.34
46(VD)
3.1~3.3~5.25
3.34
IC204 SCART IC
1(VCC)
4.5~5.5
4.93
8(VCC1)
4.3~13.2
4.95
19(VCC2)
4.3~VCC
4.95
IC501 MPEG (MT1389L)
7 (AVDD18_2)
1.7~2.0
1.86
8 (AVDD33_1)
3.0~3.6
3.19
19 (AVDD33_2)
3.0~3.6
3.19
29 (VDD33_USB)
3.0~3.6
3.21
32 (VDD18_USB)
1.7~2.0
1.84
50 (DVDD33)
3.0~3.6
3.21
54 (DVDD18)
1.7~2.0
1.86
68(DVDD33)
3.0~3.6
3.21
84 (DVDD33)
3.0~3.6
3.21
90 (DVDD18)
1.7~2.0
1.86
95(DACVDDC)
3.0~3.6
3.19
100(DACVDDB)
3.0~3.6
3.19
101(DACVDDA)
3.0~3.6
3.19
109(AADVDD)
3.0~3.6
3.16
110(APLLVDD)
3.0~3.6
3.17
121(ADACVDD1)
3.0~3.6
3.22
122(ADACVDD2)
3.0~3.6
3.22
123(AVDD18_1)
1.7~2.0
1.86
8(VDD)
2.3~3.6
3.21
1(VDD1)
3.0~3.6
3.21
3(VDDQ3)
3.0~3.6
3.21
9(VDDQ9)
3.0~3.6
3.21
14(VDD14)
3.0~3.6
3.21
27(VDD27)
3.0~3.6
3.21
43(VDDQ43)
3.0~3.6
3.21
49(VDDQ49)
3.0~3.6
3.21
1.8~5.5(Read)
8(VCC)
3.41
2.7~5.5(write)
Playback
Margin
Mode(V)
0.6
3.4
0.6
3.4
0.6
3.4
IC201 ADC
0.3
4.97
0.31
4.93
1.91
3.34
1.91
3.34
0.43
4.92
IC400 MOTOR
0.65
4.91
0.65
4.9
0.14
1.9
0.19
3.21
0.19
3.21
0.21
3.19
0.14
1.9
0.21
3.19
0.14
1.9
0.21
3.19
0.21
3.19
0.14
1.9
0.19
3.18
0.19
3.18
0.19
3.18
0.16
3.16
0.17
3.16
0.22
3.22
0.22
3.22
0.14
1.91
IC502 FLASH
0.39
3.19
IC503 SDRAM
0.39
3.19
0.39
3.31
0.39
3.31
0.39
3.31
0.39
3.31
0.39
3.31
0.39
3.31
IC504 EEPROM
2.09
3.4
Margin
Location Pin No.
0.6
16(VDD_IO)
0.6
24(VDD_IO)
0.6
29(VDD_IO)
32(VDD_IO)
0.28
35(VDD_IO)
0.32
40(VDD_IO)
1.91
48(VDD_IO)
1.91
61(VDD_VIN2)
64(VDD_VIN1)
0.42
1(GVDD)
10.8~13.2
0.61
21(VDD)
10.8~13.2
0.6
22(GVDD)
10.8~13.2
23(GVDD)
10.8~13.2
0.1
26(PVDD_D)
0~31.5~34
0.21
27(PVDD_D)
0~31.5~34
0.21
32(PVDD_C)
0~31.5~34
0.19
35(PVDD_B)
0~31.5~34
0.1
40(PVDD_A)
0~31.5~34
0.19
41(PVDD_A)
0~31.5~34
0.1
0.19
1(GVDD)
10.8~13.2
0.19
21(VDD)
10.8~13.2
0.1
22(GVDD)
10.8~13.2
0.18
23(GVDD)
10.8~13.2
0.18
26(PVDD_D)
0~31.5~34
0.18
27(PVDD_D)
0~31.5~34
0.16
32(PVDD_C)
0~31.5~34
0.16
35(PVDD_B)
0~31.5~34
0.22
40(PVDD_A)
0~31.5~34
0.22
41(PVDD_A)
0~31.5~34
0.09
0.41
0.41
0.29
2. ICs ON FRONT BOARD
0.29
0.29
0.29
Location Pin No.
0.29
0.29
13(VDD)
30(VEE)
2.1
43(VDD)
2-41
2-42
Spec.
EE Mode(V)
Margin
IC602 PWM (PS9850)
-
3.24
-
-
3.24
-
-
3.24
-
-
3.24
-
-
3.24
-
-
3.24
-
-
3.24
-
-
3.24
-
-
3.24
-
IC701 AMP
12.11
1.09
12.11
1.09
12.11
1.09
12.11
1.09
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
IC702 AMP
12.11
1.09
12.11
1.09
12.11
1.09
12.11
1.09
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
Spec.
EE Mode(V)
Margin
IC301 VFD IC
4.5~5.5
3.42
-1.08
VDD-35
-20.6
10.98
4.5~5.6
3.42
-1.08
Playback
Margin
Mode(V)
3.24
-
3.24
-
3.24
-
3.24
-
3.24
-
3.24
-
3.24
-
3.24
-
3.24
-
12.11
1.09
12.11
1.09
12.11
1.09
12.11
1.09
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
12.11
1.09
12.11
1.09
12.11
1.09
12.11
1.09
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
33.8
0.2
Playback
Margin
Mode(V)
3.41
-1.09
-20.4
11.19
3.41
-1.09
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