Block Diagram -Power Section - Sony CFD-RG880CP Service Manual

CFD-RG880CP
7-4. BLOCK DIAGRAM – POWER Section –
SYSTEM CONTROL
IC801 (4/4)
VDD(SW)
TC+9V
CD/RADIO
/LED+6.2V
AUDIO+6V
CFD-RG880CP
DISPLAY CONTROL
IC601
SEG1 1
61
O-LCD INH 2 INH
I I
LCD601
O-LCD CE 4 62 CE
SEG34 34
LIQUID
O-LCD SCL 5 63
CL
CRYSTAL
COM1 54
O-LCD DATA
3 64 DI
I I ELEMENT
COM14 51
REMOTE CONTROL
I-RMC 29 SIGNAL RECEIVER
IC602
AC CHECK
I-AC CHECK 88
Q808
BACK LIGHT
CD/RADIO LED CONTROL
/LED+6.2V
SWITCH
Q809-812
D601,602
BACK LIGHT H 56
BACK LIGHT L 57
USB LED 41
USB REC LED 42
EEPROM
IC802
EPROM SCL 9 6 SCL
EPROM SDA 10 5 SDA
CF1 15
CLOCK
FUNCTION
X802 SHIFT
SWITCH
SWITCH
10MHz
S401-426
Q802,803
CF2 16
18
O-CLOCK SHFT1
O-CLOCK SHFT2 19
23 24 25 26 27
81 80 74
POWER
SWITCH
Q903,904
TC+9V
REG
Q905
CD+6V
REG
Q906
AU+6V
REG
Q907
D902 D903
POWER
PROTECT
SWITCH
Q901
USB LED
VDD(SW)
CD/RADIO
DRIVE
/LED+6.2V
Q401-404
D603
LCD
OPR/BATT
BACK
LIGHT
WOOFER LED
POWER CONTROL
LED DRIVE
CD/RADIO
SWITCH
Q817-832
/LED+6.2V
Q813-816
WAKE UP
SWITCH
Q801
28 43 44 46 47 48 49 50 51 52 53
11 21
1
CD+3.3V
RESET
+3.3V
REG
IC803 (CD)
Q912
2
U-COM(VDD)
VDD+3.3V SWITCH VDD+3.3V REG
VDD+3.3V
Q804,805 IC804
L901
VBUS
VDD+3.3V +5V
LCD+3.3V SWITCH VDD+3.3V D906
Q806,807
28 28
D604
VDD(SW)
D409
• Abbreviation
USB REC
BR: Brazilian model
D410
USB PLAY
D401-408
(ILLUMINATION)
BR MODEL
F983
T981
POWER
TRANSFORMER
76
F981
D981—984
RECT
VBUS+5V
REG F982
IC901
5
BATT
2 VOUT VIN 1
4 FB
S981
VOLTAGE SELECTOR
120-127V
220-230V
JW987,
988 J981
AC IN
JW985,
986
EXCEPT
BR MODEL
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS, 12V