Panasonic SA-VK470EE Service Manual page 125

22 Basic Troubleshooting Guide
22.1. Troubleshooting Guide for F61 and/or F76
This section illustrates the checking procedures when upon detecting the error of "F61" and/or "F76" after power up of the unit. It
is for purpose of troubleshooting and checking in SMPS, D-Amp & Main P.C.B.
22.1.1. Block Diagram
SYS6V
DCDET2
(F61)
MICRO-P
SYS6V
DCDET 2
DCDET 2
FAN Detect
Speaker Out
DC Detect
125
SMPS P.C.B.
T emperature Detect
30V Detect ( 30V_SENSE )
+ 18V Fan Detect
D -AMP P.C.B.
SUBWOOFER
CENTER
FRONT - R
FRONT - L
SURROUND
SURROUND
SA-VK470EE
- R
- L