Elenberg KL26ES31Q, Service Manual

Page: 53 / 65

KLXXCSXXQ - TS
数量 分区 更改 第
10
9
若有短路
4.2 checking method:
use Multimeter (VICTOR VC9801) of resistor to check
No/Yes short circuit
Number Item Test Point Standard
1
The resistance of 12V output
F800
2
The resistance of 5V output
F801
No short circuit
3
The resistance of 3.3V output
N806
No short circuit
4
The resistance of 3.3V output
N804
5
The resistance of 1.8V output
N805
No short circuit
6
The resistance of
PANEL 5V
output
L828
No short circuit
7
The resistance of
TUNER 5V
output
L103
No short circuit
8
The resistance of
TCON 3.3V
output
N303
No short circuit
9
The resistance of
TCON 2.5V
output
N304
No short circuit
Please check short circuit point on the PCB board if you find short circuit.
4.3 信号
4.3.1 信号
信号
4.3 Signal Board par t
4.3.1 Signal board power part
Signal Board power distribution
12V
到功 放（
L835
）
N806(3.3AVDDfor N500
）
N804(3.3V
供
N500)
N805(1.8VDDC
供
N500)
N801( 5V for
高
)
5VSTB