Emerson 6513DE, Руководство по обслуживанию, Страница: 48 / 69

WF1
PIN 1
OF IC1001
1-9-26
PIN 8
OF TU1001
WF16
WF6
PIN 9
OF IC1001
PIN 4
OF CN1571
WF12
WF9
PIN 1
OF CN1571
PIN 1
OF CL501B
WF10
PIN 7
OF IC1551
WF11
WF2
PIN 14
OF IC1201
PIN 9
OF CL002
WF20
PIN 6
OF CL002
WF19
PIN 3
OF CL002
WF18
PIN 1
OF CL002
WF17
Q1571
Base
WF8
Q1572
Collector
WF7
Main CBA Bottom View < TV Section >
BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER
SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
ALSO, IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT
SLOWLY, WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY
CIRCUIT, A VARIABLE ISOLATION TRANSFORMER IS REQUIRED. NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
OF FIRE, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
MÊME TYPE DE 4A, 125V.
4A 125V
1-9-25
BT9000F01011
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F1601) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.