Read Sony CFD-G70 Service Manual online
20
20
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
T500mA
SYSTEM CONTROL
RMC
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
MUTE
STBY
VCC
POWER AMP
IC323
+6V REG
BUFFER
Q951
(IC801)
MOTOR
CAPSTAN/REEL
(MOTOR ON/OFF)
(TAPE PLAY)
*
F902
AC.HI
VDD
BATT.COM
VDD
LINE-L
PREOUT-L
TU-L
R-VT
CD-L
CD-R
CD-R
VDD-SW
(CD DOOR)
F902
CD
LINE
TUN
TAPE
LINE
TUN
TAPE
R2
CD
LINE
TUN
TAPE
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
POWER AMP
+
G-XPAND
IC325
STBY
VCC
WOOFER AMP
IC324
R-
R+
R+
L-
L+
L+
W-
W+
W+
AGC
Q326,327
MUTE
Q122
Q122
Q121
Q321
-
6V
6V
6.3A 125V
T4AL
*
US,CND,E92,MX
US,CND,E92,MX
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 SWITCH
Q952,953
RESET
+3.3V
REG
US
VDD-SW
AUDIO
+6V
T901
POWER
TRANSFORMER
AC IN
DRY BATTERY
SIZE"D"
(IEC DESIGNATION R20)
D901-904
(POWER)
(FOR POWER SUPPLY)
-
-
42
41
38
-
-
MOTOR
SWITCH
R-CH
R-CH
R-CH
59
REMOTE
CONTROL
RECEIVER
IC803
RMC REG
D806-808
D806-808
LED
DRIVER
Q812-815
D403,404
D402
D402-404
POWER DRIVE
WOOFER
D401
GAME
Xpand
Xpand
VDD1
S459-462
S451-458
OPR/BATT
D451
POWER
S401-404
IC804
IC801
Q957,D957
COM
+3.3V
B+5V
(CD)
(CD)
D954
Q954,955
Q956,D953
MODE
CHECK
Q810
LPF
IC322
SURROUND
SWITCH
Q328,329
R-CH
LEVEL
DETECT
(R-CH)
G-XPAND SPEAKER
G-XPAND SPEAKER
(L-CH)
WOOFER SPEAKER
R-CH
SURROUND
SWITCH
Q324,325
Q322,323
8PCS,12V
VOLTAGE
SELECT
GAME
LINE IN
+9V REG
110-120V 220-230V
US,CND,E92,MX
US,CND,E92,MX:120VAC 60Hz
CND,E92,MX
E4:220VAC 50Hz
EEPROM
IC805
IC802(2/3)
SECTION
SECTION
SECTION
CD
TUNER/TC
TUNER/TC
• Abbreviation
CND : Canadian
MX
MX
: Mexican
E92
: Central and South America
E4
: 110-120V/220-240V AC changeable
• Signal path.
F
: FM
a
: REC
E
: PB
J
: CD
Click on the first or last page to see other CFD-G70 service manuals if exist.