Advertisement
QQ
3 7 63 1515 0
ADJUSTMENT PROCEDURES-1
DC OFFSET ADJUSTMENT
1. ADJUSTMENT POINT
R654
(SURROUND R)
TE
L 13942296513
2. CHECK POINT
For example adjustment
the DC offset of FRONT L
3. ADJUSTMENT
[Note]
No load and No signal
1. Remove the top cover.
2. Power on the unit.
3. Connect the DC voltmeter to FRONT L SPEAKER terminals.
4. Adjustment trimming resistor R504 so that reading of DC voltmeter becomes -15 to +15mV.
5. Connect the DC voltmeter to FRONT R SPEAKER terminals.
6. Adjustment trimming resistor R554 so that reading of DC voltmeter becomes -15 to +15mV.
7. Connect the DC voltmeter to CENTER SPEAKER terminals.
8. Adjustment trimming resistor R704 so that reading of DC voltmeter becomes -15 to +15mV.
www
9. Connect the DC voltmeter to SURROUND SPEAKER L terminals.
10. Adjustment trimming resistor R604 so that reading of DC voltmeter becomes -15 to +15mV.
11. Connect the DC voltmeter to SURROUND SPEAKER R terminals.
.
12. Adjustment trimming resistor R654 so that reading of DC voltmeter becomes -15 to +15mV.
13. Disconnect the DC volt meter from SURROUND SPEAKER R terminals.
14. Attached the top cover.
http://www.xiaoyu163.com
R604
(SURROUND L)
DC Voltmeter
x
ao
y
i
http://www.xiaoyu163.com
8
R704
(CENTER)
Q Q
3
6 7
1 3
FRONT L
L
A
FRONT R
R
FRONT
SPEAKERS
L
B
R
SURROUND L
L
SURROUND
SPEAKERS
SURROUND R
R
CENTER
SPEAKER
CENTER
u163
.
2 9
9 4
2 8
R554
R504
(FRONT R)
(FRONT L)
Front side
1 5
0 5
8
2 9
9 4
m
co
DR-C500
9 9
2 8
9 9
Advertisement
