Technics SU-G700E User Manual

31
7.14. No Sound from LINE OUT Terminal
No Sound from LINE OUT Terminal.
YES
NO
Replace cable.
Is there a connection
between REC Out PCB and MAIN PCB?
Pin 1 of P2801 and Pin 1 of P2001
Pin 2 of P2801 and Pin 2 of P2001
Pin 3 of P2801 and Pin 3 of P2001
Pin 4 of P2801 and Pin 4 of P2001
Replace Main PCB.
Still not remedy.
Replace FFC.
Is the correct voltage
presented at Pin 1 of P4551
on Main PCB?
Normal: +14.5V
Replace AMP PCB.
Replace SMPS PCB.
Is the correct voltage
presented at Pin 30 of P6502
on AMP PCB?
Normal: +14.5V
NO
Replace FFC.
NO
YES
Is the correct voltage
presented at Pin 5 of P6001
on AMP PCB?
Normal: +14.5V
YES
YES
NO
YES
Is there a
connection between P2801 and
LINE OUT Terminal on REC Out PCB?
Pin 2 of P2801 and Pin 2 of JK2801 (White [L-channel])
Pin 3 of P2801 and Pin 2 of JK2802 (Red [R-channel])
Replace REC Out PCB.
NO

Technics SU-G700E Specifications

General

Brand	Technics
Model	SU-G700E
Category	Amplifier
Language	English