Onkyo HT-R508 Service Manual page 76

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
R6042
Trimming
resistor
HT-R508
R6044
Trimming
resistor
SBL SBR