Sony CFD-V6 Service Manual ▷ View online
13
CFD-V6
Pin No.
Pin name
I/O
Description
1 to 4
NC
—
Not used (open)
5
IC
—
Connect to ground.
6
XT1
I
Connect to ground.
7
XT2
—
Not used (open)
8
VDD
—
Power supply terminal (B+ 3.3 V)
9
VSS
—
Ground terminal
10
CL1
I
Oscillator terminal (4 MHz)
11
CL2
—
Oscillator terminal (4 MHz)
12
RESET
I
Reset signal input
13
NC
—
Not used (open)
14
SYNC–R
—
Not used (open)
15
CE
O
Chip enable signal output
16
C–RST
O
Reset signal output to the LC78645E (IC701)
17
CAPH
—
Charge pump capacitor terminal
18
CAPL
—
Charge pump capacitor terminal
19 to 21
VLC0 to 2
—
Capacitor connect terminal
22 to 25
COM0 to 3
O
LCD common drive output
26 to 43
S0 to 17
—
Not used (open)
44 to 48
S18 to 22
O
LCD segment drive output
49
S23
—
Not used (open)
50
ENTER
I
Key (ENTER) input
51
MODE
I
Key (MODE) input
52
PLAY
I
Key (H PLAY) input
53
FR
I
Key (l FR) input
54
FF
I
Key (L FF) input
55
STOP
I
Key (s STOP) input
56
DOOR
I
Door open/close input
57
WRQ
I
Command signal input
58
TEST
I
Test mode signal terminal input (TEST: L)
59
MUTE
O
Mute signal output
60
FSEQ
I
Frame SYNC signal input
61
DRF
I
DRF (Defect RF) input
62
DO
O
Serial data output
63
DIN
I
Serial data input
64
CLK
I
Clock signal input
SECTION 6
DIAGRAMS
6-1. IC PIN FUNCTION DESCRINTION
IC801
µ
PD789316GK-503-9ET SIGNAL PROCESSOR, D/A CONVERTER, LCD DRIVE, SYSTEM CONTROL
14
CFD-V6
• Circuit Boards Location
INLET board
BATT (R) board
BATT (L) board
FM SW board
MAIN board
CD board
CONTROL board
VOLUME board
POWER board
PRE board
CFD-V6
15
15
D1
D2
T301
S1
Q1
FM
FRONT-END
AM
FRONT-END
FM/AM
FRONT-END
L1
FM
RF
L2
FM
OSC
L3
FERRITE-ROD
ANTENNA
L4
AM
OSC
ANT1
FM
TELESCOPIC ANTENNA
FM OSC
AM OSC
T2
CF1
CF2
T1
FM
IF IN
IF IN
AM
L OUT
R OUT
R-CH
LOGIC
ALC
1
MIC
DET
MUTE
PB AMP
PB AMP
REC
AMP(26dB)
MONITOR
AMP
TAPE
BUFFER
MIC AMP
MUTE
PRE/REC
AMP
BIAS
OSC
(7dB)
OUT
REG
22
24
13
5
4
6
21
15
17
20
Q301
L.LO
L.RAD
LINE
TAPE
REF
REC
L.RO
L.IN
HEAD
HRP901
RECORD/
PLAYBACK
ERASE
HEAD
HE901
AM IF
RF
IN
FM FREQUENCY
CT2,L2
CT1,L1
CT3,L3
COVERAGE
AM FREQUENCY
L4,CT4
COVERAGE
TRACKING
AM
TRACKING
FM
IN
CT1
CT2
CT3
CT4
CV1-4
CV1-3
CV1-2
CV1-1
TU +6V
TU +6V
FM DET
AM DET
MPX
FM IF
QUAD
TU +6V
MPX IN
DET OUT
LPF1
LPF2
TU +6V
FM MODE
STEREO
MONO
CD
TAPE
FM
CD
TAPE
L.OUT
L.OUT
SECTION
(Page 16)
(Page 16)
SECTION
(Page 16)
(Page 16)
MAIN
MAIN
SECTION
(Page 17)
(Page 17)
CD L-CH
CD R-CH
TU IN L
CD IN L
R-CH
CD
AM
TU +6V
L.LINE
TU +6V
-1
-2
S301
REC
PB
IF AMP,DET,FM MPX
MIX
FM RF OUT
AM RF
IC1
IC301
6-2. BLOCK DIAGRAMS –TUNER/TC SECTION–
• R-CH is omitted due to
same as L-CH
• Signal path.
F
: FM
f
: AM
E
: PLAY
a
: REC
J
: CD
16
16
CFD-V6
CNJ901
AC IN
Q409
M601
F901
D302
D303
D304
D309
D314
S402
S406
S404
S405
S401
S403
S801
MOTOR
SWITCH
CD DOOR
(OPEN/CLOSE)
MEGA BASS
S355
OFF
ON
MUTE
RV352
STANDBY
SWITCH
POWER
AMP
R-CH
J301
SPEAKER
SPEAKER
(R-CH)
(L-CH)
T901
POWER
TRANSFORMER
Q101
R-CH
D308
POWER
SWITCH
OPR/BATT
B+
(+8.9V)
VOLUME
D310
SP101
SP201
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS,9V
MOTOR
CAPSTAN/REEL
(MD POWER)
S601
S351-1
FUNCTION
CD
SWITCH
INITIAL
Q401
+6.9V REG
Q309,
Q311
POWER
SWITCH
Q311,312
+3.3V REG
Q310,
Q402,Q405
VOLTAGE
DET
TU +6V
TAPE +6V
CD +6V
CD+ 3.3V
POWER AMP
CD
TAPE
FM
SECTION
(Page 15)
(Page 15)
TUNER/TC
Q801
RESET
CD +3.3V
STOP
FF
FR
PLAY
MODE
ENTER
COM0
COM3
S18
S22
CL1
CL2
RESET
DOOR
_
_
22
25
48
44
_
_
DIGITAL SIGNAL
LCD DRIVE,
PROCESSOR,
SYSTEM CONTROL
PLAY MODE
ENTER
DISPLAY
LIQUID
CRYSTAL
LCD401
S0-S4
COM0-3
RESET
SECTION
(Page 17)
(Page 17)
CD
SECTION
(Page 15)
(Page 15)
TUNER/TC
L.OUT
-1
-2
D901-904
(4MHz)
CD CONTROL
9V
AC
4.5V
IC304
IC401
IC801(1/2)
AM
FM
• R-CH is omitted due to same as
L-CH
• Signal path.
F
: FM
6-3. BLOCK DIAGRAMS –MAIN SECTION–
Click on the first or last page to see other CFD-V6 service manuals if exist.