Block Diagram - Power Supply Section - Sony D-E888 Service Manual

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5-2.
BLOCK DIAGRAM – MAIN Section (2/2) –
DOUT
(Page 16)
I
LOUT
ROUT
(Page 16)
J
MUTING
Q301
HPL
IN_L
21
HPR
IN_R
(Page 16)
M
22
LINE MUTE
CONTROL SWITCH
Q302
MT_SW
17
PW_SW
18
BEEP IN
15
XRST
(Page 16)
L
AMUTE
(Page 16)
K
D601
TAP801
(TEST)
47
14
7
9
28
SYSTEM CONTROLLER
IC801(2/3)
78
D801
RSTB
(Page 19)
H
05
– 17 –
B+ SWITCH
VCC2 3V
Q601
OPTICAL
J301
TRANSCEIVER
LINE OUT
(OPTICAL)
(LINE OUT JACK)
J302
i
/ (HEAD PHONE)
HEADPHONE AMP
IC351
OUT_L
4
OUT_R
2
BEEP_L
23
BEEP_R
24
MT SW
VCPU 2V
PW SW
VCPU 2V
4
S811 – 816
BEEP
S811
NX
3
TSB
S812
2
RMKEY
.
1
GND
VCPU 2V
S813
>
S803
S814
AVLS
x/CHG
NORM
S815
LIMIT
+
VOL
S816
38
18
32
19
36
VCPU2V
S805
G-PRO
1
2
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
– 18 –
5-3.
BLOCK DIAGRAM – POWER SUPPLY Section –
PD
(Page 15)
A
LD
(Page 15)
B
VG
C
(Page 15)
PA PC
78
SYNC
SYNC
D
(Page 16)
7
SDTO
DATA
(Page 16)
F
10
SCK
CLOCK
(Page 16)
G
9
VLGO2
69
RSTB
H
(Page 17)
INM2
4
RF2
3
VCC2_ON
8
DTC2D
53
SLPOUT
13
STNG
18
LATCH
XPOWLT
46
11
WAKEUP
WAKE UP
8
RSTB
SWITCH
52
Q409
RIPPLE
VCC1
VCC1 2V
51
FILTER
Q408
LASER VOLTAGE
RF21
77
SYSTEM CONTROLLER
B+ 3V
LIMITER
IC801 (3/3)
Q406
D408
INP1
57
CHG/HOLD
VLGO1
61
XLEDDISP
5
VCPU
VCPU 2V
50
VLG3
VCC2 3V
72
APCREF
XAPC_OFF
48
79
DTCLD
VREF
AGCCON
4
54
VREF
1
CHGMNT
CHGMNT1
15
58
DCINMNT
20
EX_BATT
40
BATMNT
17
B+
D-RAM
SWITCH
(IC602)
Q602
2V
RST
E
(Page 16)
05
– 19 –
POWER CONTROL
IC401 (2/2)
BATM1
CHARGING BATTERY
BATM2
VOLTAGE DETECTOR
59
CHG SW
CIRCUIT
CHGMNT
RF4
LINEAR
B+
INM4
L3
CONSTANT CURRENT,
71
SWITCH
RS
CONSTANT VOLTAGE
Q401, 405
CHARGING BATTERY
CHARGE CIRCUIT
V IN
VG
L3
5
D411
L4
RF21
2
RF2
BATM1
SWITCHING
INM2
60
POWER
APCREF
CIRCUIT
PAPC
DTC2D
VLGO2
PRE-DRIVER
DTC1D
CHARGE ON
INP1
SWITCHING
RF4
48
POWER
VCC1
VLGO1
CIRCUIT
VCPU
INM4
47
LENEAR
REGULATOR
VLG3
DC IN
WAKEUP
D401
DC IN
LATCH
B+ SWITCH
49
DATA
INTERFACE
Q403
CLOCK
VG
VG
POWER
L4
CIRCUIT
CHARGE
RS
46
CONTROL
Q402, 407
CLK
SAW
CHGSW
45
OR OSC
GEN.
V IN
65
EXTERNAL BATTERY
SWITCH
Q410
D407
– 20 –
D-E888/E999/EJ825/EJ925
SPINDLE MOTOR
DRIVER (IC402) 3V,
HEADPHONE
AMP (IC351) 3V
RECHARGEABLE
CHARGE
BATTERY
NH-14WM
2PCS. 2.4V
D406
SWITCH
Q404
J401 (1/2)
EXT BATT
J401 (2/2)
DC IN 4.5V
+

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