Yamaha MX61 Service Manual page 84

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J
I
BLOCK DIAGRAM (ブロックダイアグラム)
DC-IN
FLT
TH801
JK801
H
G
49L
(MX49 only)
Charactor LCD (20 x 2)
61L
(MX61 only)
CN805 (16P)
CN
CN804 (16P)
CN202 (16P)
DM
IC204,
205
CN304
X301
+5D
POWER–ENB
/OVER–CURRENT
IC307
HOST–DP,HOST–DM
IC101
X101
IC104
IC504
IC102
2.9V
45mA
DP
DM
CN302
AMUTE
TR605–608
SW501
IC502
FT501
TR503,504,509
IC503
IC312
F
E
PNB
(C2–B3)
KEYBOARD
CN5 (7P)
61H
(MX49/MX61: C4–C6)
(C1–B3)
16N61,49,25KEY
IC601
(In the case
49KEY Note12 Block 10
of MX61)
61KEY Note12 Block 12
CN2 (5P)
CN1 (12P)
CN5 (7P)
X601
(MX61 only)
(MX49 only)
PNA
CN402 (7P) CN403 (5P) CN401 (12P)
CN303 (10P)
X401
IC402
IC105, 106
IC107
IC201
IC202
IC310
IC304
SYSCLK_384Fs
IC303
X302
DP
DM
JK301
JK302
IC306
IC309
D
C
SW801
LD801–807,
EC201
–832
809–824
S4,S5
CN801 (8P)
CN802 (10P)
CN604 (8P)
CN605 (10P)
CN603 (5P)
A0
A1
7seg x 3LED
LD717
SW701–715
LD701–709,
711, 712, 715
TR601–608,610–617
VR601
A0–A7
VR701
VR702
VR703
VR704
CN602 (4P)
CN606 (8P)
CN604 (4P)
CN602 (8P)
JK
IC452
IC602
IC314
TR606
IC601 1/2
IC314
AMUTE
AMUTE
IC601 2/2
TR607
TR602,
IC600 2/2
603
IC600 1/2
TR600,
601
AD0
AD1
B
A
MX61/MX49
1
2
3
4
JK455
JK601
5
JK602
JK600
JK604
6
JK603
7
3

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