Yamaha MX61 Service Manual page 7

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● MX49
Upper case assembly (上ケース Ass'y)
11
Lower key bed assembly (下ケース鍵盤 Ass'y)
No.
Unit Name
UPPER CASE ASSEMBLY
(上ケース Ass'y)
DM CIRCUIT BOARD ASSEMBLY
(DM シート Ass'y)
PNB CIRCUIT BOARD
(PNB シート)
FLT CIRCUIT BOARD
(FLT シート)
DC-IN CIRCUIT BOARD
(DC-IN シート)
WHEEL ASSEMBLY
(ホイール Ass'y)
LOWER KEY BED ASSEMBLY
(下ケース鍵盤 Ass'y)
KEYBOARD ASSEMBLY
(16N-C612M 鍵盤)
* The parts with "( )" in "Part No." are not available as spare parts.
(部品番号が( )で囲まれている部品は、サービス部品として準備されていません。 )
*1: Insertion (差込み)
*2: Manual soldering (手半田)
*3: Dip soldering (ディップ)
*4: Edge mark is adjusted to Pin 1 mark. (エッジマークが 1 ピン側)
*5: Red wire is connected to Pin 1 mark. (赤色線材が 1 ピン側)
Caution: Be sure to attach the removed filament tape just as it was before removal.
(注意:一度剥がしたフィラメントテープは、取り外す前と同じように、取り付けてください。 )
Wheel assembly
(ホイール Ass'y)
3
8
PNA
JK
4
5
2
13
14
Location
Part No.
U230
(ZC89480)
U240
ZC894500
U250
(ZC89710)
U260
(WE30630)
U270
(ZC89590)
D60
(WE32820)
W10
(ZC03620)
W20
(ZC03630)
60
(ZA17370)
60
(ZA17370)
80
(WV71160 )
L30
(ZA17640)
L40
(ZA17980)
L50
(ZA18740)
75
V869620R
16N-2M-C61
7
6
PNB
FLT
DM
1
9
15
12
Connector
Destinations
Assembly
DM-PNA
DM – CN303
*1 *5 PNA – CN601 *1 *5 10P 170mm
FFC
CN – CN804
*1 *6 DM – CN202 *1 *6 16P 150mm
VR
PNA – CN606
*1 *7
PH
PNA – CN602
*1 *5
GND
DM PLATE
*8
PH
DM – CN305
*1 *5
PNB1
PNB – CN802
*3 *4 PNA – CN605 *1 *4 10P 170mm
PNB2
PNB – CN801
*3 *4 PNA – CN604 *1 *4 8P
WIRING
FLT – CN901
*3 *4 DM – CN501 *1 *4 4P
WIRING
DC-IN – CN801 *3 *4 FLT – CN902 *1 *4 4P
WHEEL
WHEEL
*2
WIRING
61H – CN2
*1 *4 DM – CN403 *1 *4 5P
WIRING
49L – CN5
*1 *4 DM – CN402 *1 *4 7P
WIRING
61H – CN1
*1 *4 DM – CN401 *1 *4 12P 275mm
61H – CN3
*1 *4
*6: Align the FFC conductor with connector contact.
(FFC の導体とコネクタの接点を合わせる)
*7: Shielded wire ground side is connected to Pin 1 mark.
(シールド線アース側が 1 ピン側)
*8: Fixed with screw. (ネジ止め)
MX61/MX49
10
DC-IN
Remarks
JK – CN602
*1 *7 8P
JK – CN604
*1 *5 4P
JK PLATE
*8
1P
JK – CN603
*1 *5 11P 700mm
PNA – CN603 *1 *5 5P
49L – CN4
*1 *4 12P 200mm
170mm
250mm
100mm
170mm
50mm
50mm
250mm
350mm
450mm
7

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