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Part 4: Troubleshooting
4-13
1
R
Reset
Fixed “H”
2
SCL
IIC SCL
Active “L”
3
SDA
IIC SDA
Active “L”
4
AO5
Not used
5
AO6
VCOMR
6
AO7
VCOMG
7
AO8
VCOMB
8
VrefL
D/A converter lower ref. voltage Connected to GND
9
VrefU1
D/A converter upper ref. voltage (CH5~CH8) Connected to Vcc
10
GND
GND
GND
11
VrefU2
D/A converter upper ref. voltage (CH1~CH4) Connected to Vcc
12
AO1
NRSB
13
AO2
NRSA
14
AO3
Not used
15
AO4
Not ussed
16
Vcc
5V
Vcc (5V)
17
Vdd
5V
Vdd (5V)
18
CS2
Chip Select 2
Fixed “L”
19
CS1
Chip Select 1
Fixed “L”
20
CS0
Chip Select 0
Fixed “H”
Pin No.
Name
Function
Action
2.7 IC Bus DA Converter (IC2571) Port Functions
Содержание LV-7355J
Страница 9: ...Part 1 General Information ...
Страница 22: ...Part 2 Repair Information ...
Страница 43: ...Part 3 Adjustment ...
Страница 65: ...Part 4 Troubleshooting ...
Страница 82: ...Part 4 Troubleshooting 4 17 BA7078AF Selector IC6241 CXA2101AQ RGB Matrix IC4101 ...
Страница 83: ...Part 4 Troubleshooting 4 18 CXD2064Q Digital Comb Filter IC2101 L3E01031 Level Shift IC3501 IC3531 IC3561 ...
Страница 85: ...Part 4 Troubleshooting 4 20 ML60851 USB I F IC9801 M62393 D A IC2571 ...
Страница 86: ...Part 4 Troubleshooting 4 21 TB1274AF Video Decoder IC1101 TA1318N AFC Detector IC6171 ...
Страница 87: ...Part 4 Troubleshooting 4 22 FA7612CA PWC Controller IC65A IC671 IC681 STR Z2156 Switching Controller IC631 ...
Страница 88: ...Part 5 Parts Catalog ...
Страница 89: ......
Страница 107: ...Part 6 Electrical Diagrams ...
Страница 117: ......