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MAIN
MAIN AND TG CIRCUIT BOARD
1
2
3
4
5
6
7
8
9
10
Component Side
Foil Side
NOTES:
*IC'S
IC1:
D70325GJ-10
1C2:
D65012GF-A79
1C3:
QS1IG03C02007
104:
ATT7C256BF85
IC5:
TC25540AF006
IC6:
D6382GF-3B9
IC7:
QSIGH3C16D48
ICQ:
QSIGH3C16D88
1C10, 11:
HM65256BLF10
1012, 13:
PCM1702U
i014:
D74HC164GS
IC15:
D74HC11GS
iC16:
D74HCOOGS
1C18:
LC3517AML-10
1C19, 20:
M5218AFP
¢ TRANSISTORS
Qt:
2SA1643
Q2, 3:
28C1815GR
Q4:
2SA1015-GR
Qs:
2SB709ARTW
Q6:
28D601AQTW
Q7, 8:
28J106Y
* DIODES
Dt:
MA8047
D3~6, 9, 13: MA110
D7, 11:
MA8062
D8:
MA8056
D12:
MA2062LF
D14:
EK04
HE Measuring Condition
Check Point @~@
Check Point @
Set to the self-diagnostic mode followings.
Set the initial setting mode (Refer to page I —6)
e While pressing two E keys (@) simultaneously, turn on the
e SOUND.
BARA
. GRAND
PIANO
power switch.
© Main Volume...
Center
e SOUND......
wae GRAND PIANO
|
:
—
© Main Volume...
CONtEF
Lae
rot
ra]
m6
¢ Keyboard ...........
<
. Ay (@)
:
a
eo:
J
_—
:
a2 WOW ZOms/bV.
i
WOW 2Dwe/DV
fz wow 10 nti.
JAUTAAAILATIALLLILL LAL LL ALA
sa
OOF
f
Peas
@ A, Key
@ & keys
(E44* Ese)
n-6
-8
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