15
15
D-EJ750/EJ751/EJ753/EJ755/EJ756CK/EJ758CK
5-4. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) – • Refer to page 18 for Notes. • Refer to page 18 for waveforms. • Refer to page 18 for IC Block diagram.
CN502
CN503
R101
R106
R110
R201
R206
R210
R463
R612
R614
R620
R621
R623
R624
R631
R632
R633
R634
R635
R638
R639
R640
R823
R824
R637
R601
R627
R618
R619
R622
R615
R317
4.7
µ
R319
R625
R360
R361
R602
R205
R223
R123
R124
R224
R318
X601
C621
R105
J302
J301
R613
R112
22K
22K
R212
R636
TP630
R211
R111
R316
C629
C631
C620
C619
C630
C632
C601
47
µ
0.1
µ
C602
C634
C624
L601
C623
VDR201
L201
C201
C210
C110
C101
C102
C202
VDR101
L301
C612
C816
D302
L320
L605
C613
C622
C611
VDR303
L310
4.7
µ
4.7
µ
4.7
µ
220
µ
22
µ
220
µ
220
µ
C606
R616
C608
C211
C111
L101
L210
VDR202
R617
C607
L604
10
µ
H
10
µ
H
0.47
µ
0.1
µ
47
µ
1
µ
C627 C626
VDR102
L603
R353
L110
C610
C605
C358
C354
C312
C357
C360
C361
R315
R125
C104
C223
C224 R225
C204
C615
0.1
µ
0.1
µ
0.47
µ
0.47
µ
C123
C124
C616
C617
L302
C618
CN501
C355
C353
C502
4.7
µ
C351
C352
C633
VDR304
C635
L606
10
µ
C604
10
µ
0.1
µ
2.2
µ
10
µ
C603
C462
C461
0.47
µ
R462
R1
C628
L602
C625
R461
D461
R2
D305
D301
D306
D601
IC301
IC402
Q302
Q301
M901
M902
2P
BLACK
<SPINDLE>
2P
WHITE
<SLED>
220
100k
220
100k
1M
100k
470
10k
1M
10k
470k
22k
47k
22k
100k
22k
100k
22k
100k
22k
47k
0
2.2k
2.2k
220k
47
47
0
0
0
0
100k
1k
1k
1k
10k
10k
0
16.9MHz
10p
1k
2.2k
100k
(RF)
470
470
1k
2200p
22p
100p
2200p
470p
4V
470p
1000p
0
1000p
AVR-M1608C080
1000p
4.7
µ
4.7
µ
4.7
µ
1000p
AVR-M1608C080
22
µ
0.1
µ
2.2
µ
2.2
µ
2.2
µ
0.1
µ
4.7
µ
4.7
µ
6.3V
100p
MM3Z5V1T1
0
0
10p
AVR-M1608C080
100k
4V
4V
AVR-M1608C080
100k
47p
AVR-M1608C080
4.7
4V
2200p
6.3V
1000p
6.3V
1000p
1000p
10k
4.7k
1000p
4700p
220p 4.7k
1000p
4700p
220p
4700p
15P
1000p
6.3V
22
µ
0.22
µ
22
µ
6.3V
470p
AVR-M1608C080
470p
4V
47p
47k
0
0
6.3V
100k MA2ZD1400
0
MM3Z5V1T1
MM3Z5V1T1
MM3Z5V1T1
MA111-TX
AN17881A-E1
HP IC
TC75S57F
COMPARATOR
XP4312
XP4501
OP
GND
VCC1 2V
VCPU 2V
3V
VCC2 3.3V
B1
B2
PWM3
FR3
AD RMKEY
AD SEL
PD
B4
LD
A3
A2
A1
A0
A10
XRAS
XWE
D0
D1
D3
D2
XCAS
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A9
XRAS
XWE
D1
D0
A3
A2
A1
A0
A10
XRAS
XWE
D1
D0
A4
A5
A6
A7
A8
XCAS
D2
D3
A4
A5
A6
A7
A8
A9
XCAS
D2
D3
FOK
XRST
SCOR
GRSCOR
AMUTE
XSOE
XLAT
MSDTI
MSDTO
MSCK
BEEP
XRST
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
F
E
B
A
R4M
OPGSW
OPSTB
A
B
S+
S-
C+
C-
E
SYNC
*
*
*
*
HEADPHONE
AMP
SPINDLE MOTOR
SLED MOTOR
LD
PD
VCC
GND
LD
PD
EXCEPT
US MODEL
US MODEL
BUFFER
MUTE
LINE
OUT
22k
FR
FR
EXCEPT
4.7k
220k
EXCEPT
*
R823
FR
US
47k
100k
US,FR
EXCEPT
EXCEPT
*
R824
1M
US
470k
US
FR
*R110,210
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
0
5
1
5
1
3
6
7
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TEL 13942296513 QQ 376315150 892498299