Onkyo TX-SR573 Service Manual page 52

ADJUSTMENT PROCEDURE-2
IDLING CURRENT ADJUSTMENT
U01
AMPLIFIER PC BOARD
(NAAF-8523)
L
Front side
P6080
L
P6080 R6040
Test Trimming
point resistor
Front side
C
R
BIAS
BIAS
R6041
R6040
P6081 P6082
R
P6081 R6041
Test Trimming
point resistor
SBR
Test Trimming
point resistor
R6046
P6086
ID+
ID-
SL SR
P6083 R6043 P6084
Test Trimming Test
point resistor point
SL
BIAS
BIAS
R6042 R6043
P6083
C
P6082 R6042
Test Trimming
point resistor
U03
SB-R AMPLIFIER
PC BOARD
(NAETC-8525)
SBL
R6044 P6085 R6045
Trimming Test Trimming
resistor point resistor
SR
SBL
BIAS
BIAS
R6044 R6045
P6084 P6085
TX-SR573