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13
13
D-EJ750/EJ751/EJ753/EJ755/EJ756CK/EJ758CK
5 23 4
2,3,24,25
8-12,15-19,21
11
14
96 95 98 97 100 99 102 103 104
22
21
20
32
47
48
2
65
23
24
25
26
27
28
8
OP IC
FFDR
FRDR
TFDR
TRDR
MDS
SRDR
SFDR
SYNC
SYNC
MDS
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
MDS
MDP
SYNC
MUTE
Q301
DEFFERENTIAL
Q409
4 23 3
1,2,24,25
5,9-12,14-19
25
23
28
40
42-56
57-60
VBAT
RESET2
P_SCK
P_SEL
P_SDTI
P_SDTO
CLK4M2
38
LCD801
LIQUID
CRYSTAL
DISPLAY
KEY
MATRIX
+VBAT
VCC2_3.3V
VCC2_3.3V
VCPO_2.0V
D805
19
VCPU+2V
Q408
D406
L406
Q404
D401
Q412
VDR409
Q407
V BAT
Q413,414
Q403
+VBAT
CHARGE
CONTROL
IC403
X601
16.9MHz
CN901
FLASH ROM
PROGRAM
3
IC301
HEADPHONE AMP
IC401 (2/2)
POWER CONTROL
BUFFER
Q302
J301
LINE
OUT
VCPU_2.0V
VCC1_2.0V
IC401 (1/2)
FOCUS/TRACKING COIL DRIVE
SLED/SPINDLE MOTOR DRIVE
IC404
RESET
IC602
RAM(16M)
IC603
RAM(4M)
J401
DC IN 4.5V
!
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS, 3V
OR
RECHARGEABLE BATTERY
NC-WMAA/NH-WM2AA
2.4V
J302
i
FOCUS
F+
OPTICAL
PICK-UP
BLOCK
(DAX-25E)
VCC
RF
A
A
E
F
LD
PD
OPGSW
OPSTB
COMPARATOR
IC402
S801
(OPEN/CLOSE)
S803
HOLD
.
ON OFF
S802
G.PROTECTION
ON OFF
US MODEL
EXCEPT US MODEL
SWITCH UNIT
• SIGNAL PATH
: CD PLAY
5-2. BLOCK DIAGRAM
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
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299