lowest level.
VR304
C356BEE TUNE +VOLUME BOARD
VR303
VR12
VR13
TP4
TP3
Repeat procedure A,B and C for the lowest volume level, idling current alignment
5. Adjusting VR302,make R channel output become to the lowest level by same way.
Adjust the pot VR3 to make the DC voltage of the point of TP10 to the same as TP11
C356BEE MAIN BOARD
4. Connect a DC voltmeter toTP3 and TP4 ,adjust VR12/VR13 for 6mV reading on voltmeter.
3. Connect a DC voltmeter toTP1 and TP2 ,adjust VR22/VR23 for 6mV reading on voltmeter.
TP2
TP1
VR23
VR22
VR301
VR302
TP11
VR3
TP10
and ISC original level respectively.
B. IDLING CURRENT
C.ISC CIRCUIT ORIGINAL ADJUSTING
II. FINAL ADJUSTMENT
1. Power on
2. Running 5 minutes with no signal
3. Connect a oscilloscope to L channel binding posts.
2. Input a high voltage signal such as 5V from CD input.
4. Observing the oscilloscope,adjust VR301,make the output of speakers become to the
1. Tune the volume pot to lowest state.
ALIGNMENT PROCEDURES
A. LOWEST VOLUME ADJUSTMENT
I. INITIAL
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