21 Basic Troubleshooting Guide
21.1. 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 & Power Supply P.C.B.
21.1.1. Block Diagram
Speaker Out
DC Detect
SUBWOOFER
CENTER
FRONT - R
FRONT - L
SURROUND - R
SURROUND - L
30V Detect ( 30V_SENSE )
SYS6V
FAN Detect
D -AMP P.C.B.
SMPS P.C.B.
MICRO-P
DCDET 2
DCDET2
(761)
SYS6V
T
+ 18V Fan Detect
emperature Detect
DCDET 2
127
SA-PT560E / SA-PT560EB / SA-PT560EG