Jk2 Circuit Board (X4914C0); Jk3 Circuit Board (X4914C0) - Yamaha i88x Service Manual

i88X
• JK2 Circuit Board
to DM-CN2
8
• JK3 Circuit Board
to DM-CN6
PHONES VOLUME
MASTER
40
to DM-CN1
7 6
INPUT
to DM-CN4 to DM-CN502
INT ADAT
ADAT ADAT
MASTER
DOUBLE/NORMAL/DIGITAL
CLOCK
OPTICAL
SELECT
5 4
• JK3 EARTH SHEET
mLAN
mLAN
ACTIVE
to DM-CN3
3 2
INSERT I/O
Component Side
Solder on the rounds indicated by arrows to
install the JK3 EARTH SHEET.
Component Side
JK2: 2NA-WC21770
JK3: 2NA-WC21780
1