48
VSX-819H-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
8. EACH SETTING AND ADJUSTMENT
8.1 IDLE CURRENT ADJUSTMENT
1. Idle Current Adjustment
Procedure
1
Turn on the power.
2
Perform aging for one minute.
3
Connect a digital voltmeter to the measurement point.
4
Turn the adjustment
V
R so that the voltage becomes
in 2.0 m
V
± 0.2 m
V
.
(Condition :
N
o signal and no load)
Adjustment
Points
V
R201
FL
V
R201
FR
V
R201
C
V
R201
SL
V
R201
SR
Measurement
Points
TP201
FL
3PI
N
: TEST POI
N
T(+)
TP201
FL
1PI
N
: TEST POI
N
T(-)
TP201
FR
3PI
N
: TEST POI
N
T(+)
TP201
FR
1PI
N
: TEST POI
N
T(-)
TP201
C
3PI
N
: TEST POI
N
T(+)
TP201
C
1PI
N
: TEST POI
N
T(-)
TP201
SL
3PI
N
: TEST POI
N
T(+)
TP201
SL
1PI
N
: TEST POI
N
T(-)
TP201
SR
3PI
N
: TEST POI
N
T(+)
TP201
SR
1PI
N
: TEST POI
N
T(-)
• Adjustment Point and Measurement Points
.... see fig1.
P.C.B SUB ASSY (AMP)
[fig 1.]
J
SIDE A
Idle current
V
R:
V
R201
FL
Idle current
V
R:
V
R201
SL
Idle current
V
R:
V
R201
C
Idle current
V
R:
V
R201
SR
Idle current
V
R:
V
R201
FR
TP201
FL
1PI
N
TEST POI
N
T(-)
TP201
C
1PI
N
TEST POI
N
T(-)
TP201
SL
1PI
N
TEST POI
N
T(-)
TP201
SR
1PI
N
TEST POI
N
T(-)
TP201
FL
3PI
N
TEST POI
N
T(+)
TP201
SL
3PI
N
TEST POI
N
T(+)
TP201
C
3PI
N
TEST POI
N
T(+)
TP201
SR
3PI
N
TEST POI
N
T(+)
TP201
FR
1PI
N
TEST POI
N
T(-)
TP201
FR
3PI
N
TEST POI
N
T(+)
Содержание VSX-819H-K - AV Receiver - Gloss
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