Boss PH-2 Service Notes page 4

PH-2 ELECTRICAL PARTS CHANGE INFORMATION
EFFECTIVE SEREIAL
NUMBER
~
497100
FOR NOISE REDUCTION
CHANGE
TO:
R65 4.7K
12K
R66 6.8K 4.7K
R68 lOK
5.
6K
R70 18K
6.
8K
R72 22K
8.
2K
R74 4.7K lOK
R76
12K
22K
R79
lOK
27K
R89
6.
8K
5.
6K
C12 0.47/50 0.1/50
COMPATIBLE PARTS
CHANGE
TO:
IC2:
NE571 NE571 (UPC1571
)
OR NE570 (15219108)
IC 3,5,8,10:
IR9022 IR9022 OR TL022 (15189115)