Sony D-EJ775 - Connecting to External Devices; Connecting to Stereo Systems

D-EJ775
1212
5-2. BLOCK DIAGRAM – AUDIO/KEY CONTROL/POWER SUPPLY Section –
AD SEL
HPSW
AMUTE
BEEP
SYSTEM CONTROLLER
IC801(2/2) (SUFFIX-11) IC801(2/2) (SUFFIX-12) IC801(2/2) (SUFFIX-13)
TSB
VCPU 2V
TSB
RMKEY
GND
J301
i
S808 − 811
4
3
2
1
VCPU 2V
B+
LIN
RIN
HEADPHONE AMP
IC302 (SUFFIX-11) IC302 (SUFFIX-12) IC302 (SUFFIX-13)
14
15
LOUT
ROUT
8
6
PWRSW
MUTE
19
BEEP
20
TAP801
(TEST)
LDACO
RDACO
A
D
C
E
CMPON
ON
OFF
VCPU 2V
B+
S803
G-PROTECTION
HOLD
WP/XOPEN
OFF
HOLD
VCPU 2V
B+
TAP806
(OPEN)
VCPU 2V
B+
S802
HOLD
S801
OPEN
L802
17
MUTE SW
PW SW
BEEP
POWER CONTROL
IC401(2/2) (SUFFIX-11) IC401(2/2) (SUFFIX-12) IC401(2/2) (SUFFIX-13)
40
28
38
LEDDISP
75
D803
CHARGE
21
AD KEY 2
23
S805 − 807
WP/AD KEY 1
25
12
30
74
31
WP/AD RMKEY
26
27
24
26
3 4
6
10
15
25
23
66
8
VG
SPINDLE MOTOR
DRIVER (IC406)
B+
16
14
28
VCPU 2V
SYSTEM CONTROLLER
(IC801) B+
VCC1 2.2V
APC CIRCUIT,
DSP (IC601),
D-RAM (IC603)
B+
AVDD 2V
OPTICAL PICK-UP BLOCK,
DSP (IC601) B+
DVDD 2V
DSP (IC601) B+
14
5324
5422
13
56
63
1
WAKE UP SWITCH
Q402
L401
RESET SIGNAL
GENERATOR
IC405
B+ SWITCH
Q401
CHARGE ON
SWITCH
Q404
2
62
B+ SWITCH
Q403
B+ SWITCH
Q407
CHARGE
CONTROL
Q405
B
27
COIL/MOTOR DRIVER,
(IC401, 406)
HEADPHONE AMP
(IC302) B+
L406
L407
CHARGE
RECHARGEABLE BATTERY
NC-WMAA
2PCS. 2.4V
OR
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS. 3V
–
+
J401
DC IN 4.5V
D404
D801
• SIGNAL PATH
: CD PLAY
BATMNT
SCK
SYNC
SDTO
+2.1 REGULATOR
IC402
XWAKEUP
XRESET
XPOWLT
AD BATMNT
AD CHGMNT
WP/AD DCINMNT
DATA
SYNC
CLOCK
VG
VCPU
VCC1-OUT
LATCH
VMMNT
CHGMNT
LG
VIN
VCC0
VCC1-IN
WAKEUP
RESET
STNG
BATM1
DET
CHGB
DC IN
REGB
REGULATOR
IC404
IC405 (SUFFIX-11)
IC405 (SUFFIX-12)
IC405 (SUFFIX-13)
IC404 (SUFFIX-11)
IC404 (SUFFIX-12)
IC404 (SUFFIX-13)
IC402 (SUFFIX-11)
IC402 (SUFFIX-12)
IC402 (SUFFIX-13)
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