Read Sony CFD-G70L Service Manual online
20
20
CFD-G70L
5-3. BLOCK DIAGRAM – MAIN SECTION –
SP392
SP391
D951
D952
M321
S322
S321
D324
X802
X801
S408
D958
D955
Q808
D805
J391
SP395
SP394
SP393
S801
J301
4MHz
153kHz
,Q809
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-M
UTE
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)
AC.HI
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
W
OOFER 2
W
OOFER 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
T4AL
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
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
GAME
LINE IN
+9V REG
220-240VAC 50Hz
EEPROM
IC805
IC802(2/3)
SECTION
SECTION
SECTION
CD
TUNER/TC
TUNER/TC
• Signal path.
F
: FM
a
: REC
E
: PB
J
: CD
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