Sony CFD-G70 - Setting Up; Choosing the Power Sources

2020
CFD-G70
5-3. BLOCK DIAGRAM – MAIN SECTION –
SP392
SP391
D951
D952
M321
S322
S321
D324
X802
X801
S408
D958
D955
Q808
D805
D811
D812
J391
SP395
SP394
SP393
F901
S901
S801
J301
4MHz
153kHz
,Q809
T500m
A
SYSTEM
CONTROL
RM
C
V-LATCH
V-DATA
V-CLOCK
RST
EXTAL
XTAL
VL
VLC3
VLC2
VLC1
COM 3
COM 0
SEG 0
TC-PLAY
KEY-3
KEY-2
KEY-1
A-MUTE
BATTERY CHECK
DISPLAY
LIQUID
CRYSTAL
DI
CE
CLK
IN
L.OUT
S.O
M
UTE
STBY
VCC
POW
ER AM
P
IC323
+6V REG
BUFFER
Q951
(IC801)
M
OTOR
CAPSTAN/REEL
(M
OTOR ON/OFF)
(TAPE PLAY)
*
F902
AC.HI
VDD
BATT.COM
VDD
LINE-L
PREOUT-L
TU-L
R-VT
CD-L
CD-R
VDD-SW
(CD DOOR)
F902
CD
LINE
TUN
TAPE
R2
CD
LINE
TUN
TAPE
TXE
TX
SEG17
VDD SW
AC HI
LCD801
LIGHT CONT
WOOFER 2
WOOFER 1
SUR ON/OFF
P CON
VDD SW
VDD
VDD1
+3.3V REG
VDD SW
Q806,807
MODE CHECK
INIT
REG CHK
VM
VH
CD DOOR
+
MUTE
+
STBY
VCC
POW
ER AMP
+
G-XPAND
IC325
STBY
VCC
W
OOFER AM
P
IC324
R-
R+
L-
L+
W
-
W
+
AGC
Q326,327
MUTE
Q122
Q121
Q321
-
6V
6V
6.3A 125V
T4AL
*
US,CND,E92,M
X
US,CND,E92,M
X
E4
E4
E4
SCL
SDA
SCL
SDA
CONTROL
VOL,BASS
INPUT SELECT,
IC321
CONTROL
INTERFACE
CCB
BASS
R-CH
VOL
SPEAKER
(L-CH)
SPEAKER
(R-CH)
D321
R-CH
+B SW
ITCH
Q952,953
RESET
+3.3V
REG
US
VDD-SW
AUDIO
+6V
T901
POW
ER
TRANSFORM
ER
AC IN
DRY BATTERY
SIZE"D"
(IEC DESIGNATION R20)
D901-904
(POW
ER)
(FOR POW
ER SUPPLY)
-
-
42
41
38
-
-
M
OTOR
SW
ITCH
R-CH
R-CH
R-CH
59
REM
OTE
CONTROL
RECEIVER
IC803
RM
C REG
D806-808
LED
DRIVER
Q812-815
D403,404
D402
D402-404
POW
ER DRIVE
W
OOFER
D401
GAM
E
Xpand
VDD1
S459-462
S451-458
OPR/BATT
D451
POW
ER
S401-404
IC804
IC801
Q957,D957
COM
+3.3V
B+5V
(CD)
D954
Q954,955
Q956,D953
M
ODE
CHECK
Q810
LPF
IC322
SURROUND
SW
ITCH
Q328,329
R-CH
LEVEL
DETECT
(R-CH)
G-XPAND SPEAKER
G-XPAND SPEAKER
(L-CH)
WOOFER SPEAKER
R-CH
SURROUND
SW
ITCH
Q324,325
Q322,323
8PCS,12V
VOLTAGE
SELECT
GAM
E
LINE IN
+9V REG
110-120V 220-230V
US,CND,E92,MX
US,CND,E92,M
X:120VAC 60Hz
CND,E92,M
X
E4:220VAC 50Hz
EEPROM
IC805
IC802(2/3)
SECTION
SECTION
SECTION
CD
TUNER/TC
TUNER/TC
• Abbreviation
CND : Canadian
MX : Mexican
E92 : Central and South America
E4 : 110-120V/220-240V AC changeable
• Signal path.
F : FM
a : REC
E : PB
J : CD