Onkyo HTR-550 Service Manual page 72

ADJUSTMENT PROCEDURE-2
IDLING CURRENT ADJUSTMENT
Adjustment points and the test points.
AMPLIFIER PC BOARD
(NAAF-8779)
C
C
R6040
Trimming
resistor
P6080
Test
point
SL
P6083
Test
point
L R
L R
R6041
Trimming
resistor
P6081 P6082
Test Test
point point
Front side
SR
P6084
R6043
Test
Trimming
point
resistor
SL SR
SBL
P6085
R6045
R6042
Test
Trimming Trimming
point
resistor
resistor
HT-R550
R6044
Trimming
resistor
SBL SBR
SBR
ID-
R6046
ID+
Trimming
resistor
P6086
Test
point