FUNAI MK12
Manual de Servicio

Main CBA Bottom View

CAUTION ! Fixed voltage 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.

CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE.

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.

WF7 Q571 Base WF9 PIN 1 OF WH501A

WF8 PIN 1 OF CN571 WF11 PIN 4 OF CN571

WF10 PIN 7 OF IC551

WF6 Q572 Collector

WF1 WF5 C333 PIN 53 Minus Lead OF IC333 7-16 7-17 7-18 BL1700F01012-1