Block Diagram - Sony D-EJ750 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

5-2. BLOCK DIAGRAM

US MODEL
IC602
RAM(16M)
D0-3 A0-10
2,3,24,25 8-12,15-19,21 5 23 4
OPTICAL
PICK-UP
BLOCK
(DAX-25E)
VCC
VCC1_2.0V
RF
RFAC RF
84
AMP
OP IC
A A
92
A B
91
E E
A/D
89
F
F
90
RFDC
88
OPGSW
OPSTB
LD
PD
T E
L 1 3 9 4 2 2 9 6 5 1 3
VLG04
69
APC
PAPC
3
FO1
F+
FOCUS 38
CH3
COIL H
RO1
F- SHIFTER
BRIDGE
36
FO4
T+
26
CH2
TRACKING
H
RO4
T-
COIL BRIDGE
24
SHIFTER
S+ FO2
34
M902
CH1
M
SLED
H
RO2
S-
BRIDGE
MOTOR
32
FO3
C+
30
CH4
M901
M
H
SPINDLE
C- RO3
BRIDGE
28
MOTOR
38 VD1
35 VD12
31 VD23
w w w
VBAT 27 VD34
VD4
23
IC401 (1/2)
FOCUS/TRACKING COIL DRIVE
.
SLED/SPINDLE MOTOR DRIVE
EXCEPT US MODEL
IC603
RAM(4M)
D0-3 A0-9
1,2,24,25 5,9-12,14-19 4 23 3
4,3,6,5 113-117,11-13,15-17 1 9 2
EFM SUB CODE
DEMODULATOR PROCESSOR
SERVO
CLOCK
PWM
OSC
96 95 98 97 100 99 102 103 104 48 47 32 20
X601
16.9MHz
APCRET
7
SYNC
FI1 FFDR
40
MDS
RI1
FRDR
41
LEVEL
PR3 MDS
20
3
PWM3
19 4
2
FI4 TFDR
21
TRDR
RI4
22 COMPARATOR
LEVEL
FI2 SFDR
IC402
17
RI2 SRDR
18
SYNC
SYNC 11
LATCH
15
DATA
14
I/F
CLOCK
13
WAKEUP
12
RSTB 16
IC404
RESET
x a o
y
DEFFERENTIAL
1 OUT IN 5
Q409
i
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8
AOUT1
51
AOUT2
56
BUFFER
IC601
LPF
Q302
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
D-RAM CONTROLLER
D/A CONVERTER
HPL
43
DAC
HPR
44
LRMU 61
SIO
21 22 28 27 26 25 24 23 65
CN901
FLASH ROM
PROGRAM
Q Q
3 7 6 3
76 11 12 13 14 15 9 69 73 68 67
2 XIN
78 HG_GUP_O
HG_XSTB_O
77
70 AGCPWM_O
IC801
XPOWLT_O
75
16 MSDTI_I SYSTEM
CONTROL
17 MSDYO_O
MICON
SCK_O
18
XWAKE_O
66
D805
8 RESET
u 1 6 3
42-56 57-60 25 23 28
+VBAT
.
LIQUID
KEY
LCD801 CRYSTAL
MATRIX
DISPLAY
S801
(OPEN/CLOSE)
SWITCH UNIT
13 13
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D-EJ750/EJ751/EJ753/EJ755/EJ756CK/EJ758CK
2 4
9 9 8
J301
LINE
OUT
MUTE
Q301
IC301
HEADPHONE AMP
LIN LOUT
8 6
RIN ROUT
9 4
13 MUTE
14 11 3
V BAT
VCPU_2.0V
IC401 (2/2)
POWER CONTROL
Q407
78 RF3
1 5 1 5 0 8 9 2 4
VCC2_3.3V VCC2
74
73 VLG3
VCC2_3.3V 51 VCC1
VCPO_2.0V 50 VCPU
30 24 26
57 STNG
Q408
21 58 CHGMNT
AD_CHGMNT
42 CHGSW
Q403
+VBAT
AD_BATMNT 22
D401
4
CHG
2
SW
1 CTRL
RS
CHARGE
3
CONTROL
IC403
27
AD_DCINMNT
m
c o
40 38 19
VCPU+2V
• SIGNAL PATH
: CD PLAY
S803 S802
HOLD. G.PROTECTION
ON OFF ON OFF
2
9 9
9 8 Q413,414 2 9 9
DTC4 80
DCIN 48
VG 9
Q404
L406
L5 8
VIN 65
BATM1 60
BTM2
59
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS, 3V
OR
RECHARGEABLE BATTERY
NC-WMAA/NH-WM2AA
2.4V
VDR409
Q412