LG HT356SD - Circuit Voltage Chart

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