Troubleshooting Guide - Panasonic SA-VK680PU Service Manual

7 Troubleshooting Guide

7.1. 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.
7.1.1. Block Diagram
SYS6V
DCDET1/2
(F61)
MAIN P.C.B.
(MICRO-P)
SYS6V
DCDET 2
DCDET 1
FAN Detect
Speaker Out
DC Detect
Figure 1
40
SMPS P.C.B.
T emperature Detect
30V Detect ( 30V_SENSE )
+ 18V Fan Detect
D -AMP P.C.B.
SUBWOOFER
FRONT - R
FRONT - L