Read Sony CFD-RG880CP (serv.man2) Service Manual online
CFD-RG880CP
CFD-RG880CP
3
3
2-2. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
VDD+3.3V
LCD+3.3V
VDD(SW)
VDD+3.3V
VBUS
+5V
L901
F982
BATT
F981
120 - 127V
F983
(BR)
(Except BR)
220 - 230V
D981 - 984
RECT
T981
POWER
TRANSFORMER
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS, 12V
D906
+3.3V
(CD)
O-POWER
74
I-KEY0
22
I-RES
11
CD3.3V CHK
21
O-5V
-ON
76
I-REG 6.2V
-CHK
81
TU-ON
34
CD+3.3V
REG
Q912
RESET
IC803
VDD+3.3V SWITCH
Q804, 805
POWER
PROTECT
SWITCH
Q901
TC+9V
CD/RADIO
/LED+6.2V
/LED+6.2V
AUDIO+6V
VDD+3.3V REG
IC804
J981
-
AC IN
S981
VOLTAGE SELECTOR
D903
D902
I-VH-CHK
80
SYSTEM CONTROL
IC801 (2/2)
O-LCD INH
O-LCD CE
O-LCD SCL
O-LCD DATA
EPROM SCL
EPROM SDA
2
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 POWER
LED POWER
SWITCH
Q809 - 812
DISPLAY CONTROL
IC601
1
I
34
40
I
37
29
I-RMC
INH
CE
CL
CE
CL
SEG1
I
SEG34
COM1
I
COM14
DI
41
USB LED
42
USB REC LED
45
4
46
5
47
3
48
9
CF1
SCL
SDA
SDA
15
CF2 16
18
O-CLOCK SHFT2
O-CLOCK SHFT1
19
6
5
5
10
I-AC CHECK 88
REMOTE CONTROL
SIGNAL RECEIVER
IC602
LCD601
LIQUID
CRYSTAL
ELEMENT
I-KEY1
23
WOOFER LED1
43
WOOFER LED
POWER CONTROL
SWITCH
Q813 - 816
WOOFER LED2
44
I-KEY2
24
I-KEY3
25
I-KEY4
26
I-W
AKE 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, 834
AU+6V
REG
Q907
D604
D612
VDD(SW)
LCD+3.3V
D603
VDD(SW)
OPR/BATT
CD/RADIO
/LED+6.2V
/LED+6.2V
CD/RADIO
/LED+6.2V
/LED+6.2V
USB LED
DRIVE
Q401 - 404
D409
USB REC
D410
D401 - 408
(ILLUMINATION)
USB PLAY
JW987,
988
JW985,
986
VBUS +5V REG
IC901
TUNER+3.3V
+3.3V REG
IC805
D817
D816
LCD+3.3V
CD/RADIO
/LED+6.2V
/LED+6.2V
(Except CET)
(CET)
Abbreviation
: Brazilian model
BR
: East European and Russian models
CET
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