VR601
TP300
TP401
GND
+13V
+13V
PIN 14 OF
IC801
WF10
WF 32
PIN 1-2 OF
CN401,CN402,CN403,CN404
WF2
WF1
WF3
PIN 19 OF
CN102A
PIN 18 OF
CN102A
PIN 9 OF
CN102A
Main CBA Top View
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
BL0170F01011-1
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F601) 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.
8-19
8-20
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.