Sony CFD-RG880CP - Block Diagram -POWER Section

CFD-RG880CP
CFD-RG880CP
2828
7-4. BLOCK DIAGRAM – POWER Section –
VDD+3.3VLCD+3.3V
U-COM(VDD)
VDD(SW)
VDD+3.3V
VBUS
+5V
L901
VBUS+5V
REG
IC901
F982
BATT
F981
120-127V
F983
BR MODEL
EXCEPT
BR MODEL
220-230V
D981—984
RECT
T981
POWER
TRANSFORMER
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS, 12V
D906
+3.3V
(CD)
5
CONT
O-POWER
74
I-KEY0
23
I-RES
11
CD3.3V CHK
21
O-5V-ON
76
1
2
I-REG 6.2V-CHK
81
CD+3.3V
REG
Q912
RESET
IC803
VDD+3.3V SWITCH
Q804,805
POWER
PROTECT
SWITCH
Q901
TC+9V
CD/RADIO
/LED+6.2V
AUDIO+6V
VDD+3.3V REG
IC804
FB
4
VOUT
2
VIN
1
J981
 AC IN
S981
VOLTAGE SELECTOR
D903D902
I-VH-CHK
80
SYSTEM CONTROL
IC801 (4/4)
O-LCD INH
O-LCD CE
O-LCD SCL
O-LCD DATA
EPROM SCL
EPROM SDA
2
CD/RADIO
/LED+6.2V
56
BACK LIGHT H
57
BACK LIGHT L
AC CHECK
Q808
D601,602
LCD
BACK
LIGHT
EEPROM
IC802
CLOCK
SHIFT
SWITCH
Q802,803
FUNCTION
SWITCH
S401-426
X802
10MHz
WAKE UP
SWITCH
Q801
LED DRIVE
Q817-832
BACK LIGHT
LED CONTROL
SWITCH
Q809-812
DISPLAY CONTROL
IC601
1
I
34
54
I
51
29
I-RMC
INH
CE
CL
SEG1
I
SEG34
COM1
I
COM14
DI
41
USB LED
42
USB REC LED
61
462
563
364
9
CF1
SCL
SDA
15
CF2
16
18
O-CLOCK SHFT2
O-CLOCK SHFT1
19
6
5
10
I-AC CHECK
88
REMOTE CONTROL
SIGNAL RECEIVER
IC602
LCD601
LIQUID
CRYSTAL
ELEMENT
I-KEY1
24
WOOFER LED1
43
WOOFER LED
POWER CONTROL
SWITCH
Q813-816
WOOFER LED2
44
I-KEY2
25
I-KEY3
26
I-KEY4
27
I-WAKE UP
28
LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8
46 47 48 49 50 51 52 53
POWER
SWITCH
Q903,904
CD+6V
REG
Q906
TC+9V
REG
Q905
VDD+3.3V
SWITCH
Q806,807
AU+6V
REG
Q907
D604
VDD(SW)
D603
VDD(SW)
OPR/BATT
CD/RADIO
/LED+6.2V
CD/RADIO
/LED+6.2V
USB LED
DRIVE
Q401-404
D409
USB REC
D410
D401-408
(ILLUMINATION)
USB PLAY
JW987,
988
JW985,
986
• Abbreviation
BR: Brazilian model