Yamaha F-20B Manuale di servizio - Pagina 7
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CIRCUIT BOARDS
MAIN1/2 CIRCUIT BOARD
GAIN
INPUT
SELECT
A
to MAIN 2/2 CN4
HIGH MID
LOW MID
A'
MAIN 1/2 (J, U, C): CNA-V755470
MAIN 1/2 (H, B):
CNA-V755480
MAIN 2/2 (J, U, C): CNA-V755470
MAIN 2/2 (H, B):
CNA-V755480
VOLUME
TREBLE
to POWER
TRANSFORMER
from POWER
TRANSFORMER
POWER
BASS
to SPEAKER
A
A'
to POWER SW
from AC CORD
VERSION
AUX IN PHONES
Component side
MAIN2/2 CIRCUIT BOARD
to MAIN 1/2 CN5
Component side
F-20B
FUSE
INDICATION
RATE
J, U
250V 315mAL
Must be
erased
Must be
erased
E, BS
250V T160mAL
7