13 13
D-EJ750/EJ751/EJ753/EJ755/EJ756CK/EJ758CK
84
5 23 4
2,3,24,25 8-12,15-19,21
8
9
13
1114
6
444
61
92
91
89
90
88
96 95 98 97 100 99 102 103 104 222120324748
30 24
21
676873699151413121176
2
78
77
70
65232425262728
75
16
17
18
66
14
15
13
12
8
16
3
11
18
17
22
21
19 4
20
3
2
41
40
7
38
CH3
H
BRIDGE
36
26
24
51
APC
LEVEL
SHIFTER
LEVEL
SHIFTER
I/F
CH2
H
BRIDGE
34
32
CH1
H
BRIDGE
30
28
38
35
31
27
23
CH4
H
BRIDGE
EFM
DEMODULATOR
SERVO
RF
AMP
A/D
OP IC
PWM
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
MDS
MDP
C176
FFDR
FRDR
TFDR
TRDR
MDS
SRDR
SFDR
SYNC
SYNC
MDS
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
MDS
MDP
SYNC
XTAO
XTAI
R4M
CLOCK
SDTO
SENS
XRST
SCOR
WDCK
SYSM
XSOE
XLAT
FOK
CLOCK
OSC
DAC
LPF
MUTE
Q301
SIO
DEFFERENTIAL
Q409
22
27
58
42
57
50
51
73
74
78
2
3
9
48
60
65
59
80
8
1
CTRL
4
26
4 23 3
1,2,24,25 5,9-12,14-19
4,3,6,5 113-117,11-13,15-17
SUB CODE
PROCESSOR
25 23 28 40
42-56 57-60
VBAT
56
51
43
RESET2
P_SCK
P_SEL
P_SDTI
P_SDTO
CLK4M2
69
38
LCD801
LIQUID
CRYSTAL
DISPLAY
KEY
MATRIX
XIN
XRST_O
SCOR_I
GRSCOR_I
MUTE
PGMSCK_O
PGSEL_O
PGMSI_I
PGMSO_O
EEP_OB
AD_SEL
AD_RMKE
XSOE_O
XLAT_O
FOK_I
XPOWLT_O
MSDTI_I
MSDYO_O
SCK_O
+VBAT
XWAKE_O
RESET
SEG0
I
SEG14
COM0
I
COM3
AD_KEY
AD_KEY2
CLOSE
HOLD_I
ESP
VCPU_AD
AD_DCINMNT
AD_BATMNT
AD_CHGMNT
VCC2_3.3V
VCC2_3.3V
VCPO_2.0V
HG_GUP_O
HG_XSTB_O
AGCPWM_O
D805
19
VCPU+2V
IC801
SYSTEM
CONTROL
MICON
Q408
D406
L406
Q404
D401
Q412
VDR409
CHG
SW
Q407
V BAT
Q413,414
Q403
RF3
VCC2
DTC4
DCIN
VG
L5
VIN
BATM1
BTM2
+VBAT
VLG3
VCC1
VCPU
STNG
CHGMNT
CHGSW
CHARGE
CONTROL
IC403
X601
16.9MHz
CN901
FLASH ROM
PROGRAM
LRMU
HPR
HPL LOUT
ROUT
LIN
RIN
PWRSW
BEEP
3
VCC
MUTE
AOUT1
AOUT2
IC301
HEADPHONE AMP
IC401 (2/2)
POWER CONTROL
BUFFER
Q302
J301
LINE
OUT
VCPU_2.0V
RFAC
A
VCC1_2.0V
B
E
VLG04
PAPC
FO1
RO1
FO4
RO4
FO2
RO2
FO3
RO3
VD1
VD12
VD23
VD34
VD4
F
RFDC
APCRET
FI1
RI1
PR3
PWM3
FI4
RI4
FI2
RI2
LATCH
DATA
CLOCK
WAKEUP
RSTB
SYNC
IC401 (1/2)
FOCUS/TRACKING COIL DRIVE
SLED/SPINDLE MOTOR DRIVE
OUT IN
IC404
RESET
IC602
RAM(16M)
IC603
RAM(4M)
D0-3 A0-10
XRAS
XCAS
XWE
XRAS
XCAS
XWE
XRAS
A0-A10
D0-D3
XCAS
XWE
D0-3 A0-9
1 9 2
IC601
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
D-RAM CONTROLLER
D/A CONVERTER
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
M
M902
SLED
MOTOR
FOCUS
COIL
M901
SPINDLE
MOTOR
M
TRACKING
COIL
F+
F-
T+
T-
S+
S-
C+
C-
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
RS
• 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
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
To Next Page
Loading...
