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There are currently no product reviews.
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Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this receiver.
;
Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this tuner.
;
I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
 ;
It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
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Very fast service, best quality of the service manual and the schematics
D
C G
A
I
H
GND B E
F
A B Power ON 9.65 VAC 10.52V
Plug out 0 0
C 5.76V
0
D 10.45V
0
E 0.78V
0
F 0.12V
4.13V
G Pulse
0
H 5.07V
4.30V
I -23.9V
0
Voltage level is measured at the following condition. 1. Plug the power cord in AC outlet. 2. Mode switch position : REG, display 0.00 3. Put in the memory protection batteries. 4. Plug out : Plug out the power cord , the memory protection batteries in.
6-2. Reset circuit
VDD
S-80728AN
When the voltage level at the pin No.17 of CPU is not stable, CPU does not work properly. To make a stable voltage, the reset IC(S-80728AN) is used for this circuit. In case the voltage level of VDD becomes down output terminof reset IC is out the stable voltage.
GND
RESET
Pin No.17
�5�
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