Sony CFD-V6 Service Manual ▷ View online
25
CFD-V6
Note:
• X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
•
f
: internal component.
IC701
D-2
IC702
A-3
Q701
B-2
Ref. No.
Location
z
Semiconductor
Location
2
3
4
1
A
B
C
D
E
11
(11)
1-861-503-
M702
SLED MOTOR
M
1
2
5
10
15
16
CD BOARD
OPTICAL PICK-UP
BLOCK
KSS-213C
M701
SPINDLE MOTOR
M
S701
(LIMIT)
A
MAIN
BOARD
(Page 18)
IC701
Q701
IC702
C729
C730
R730
R728
R729
C704
R708
C728
R724
R722
R725
R726
R707
C701
C726
C723
C725
C724
R719
R717
R718
R716
C720
C721
C722
R731
R721
R720
C716
R715
R714
C727
C711
C709
FB701
C736
C734
R709
C705
R704
R702
R711
R710
R703
R705
R701
C703
TP
(RF)
C731
R706
R727
R712
R723
C708
R741
JC701
R744
R743
C751
JC702
JC703
C743
C744 C745
C742
C754
C755
C741
JC704
C707
L706
C717
C739
C738
C732
CNP701
X701
CNP702
C702
JW701
JW702
JW703
JW705
JW706
JW707
JW708
JW709
JW713
JW714
JW715
JW716
JW717
JW718
JW721
JW722
JW723
JW725
JW728
JW730
C740
C750
C746
C747
JW719
C735
JW720
JW711
C733
C706
JW712
JW710
6-12. PRINTED WIRING BOARD – CD SECTION –
z
REFER TO PAGE 14 FOR CIRCUIT BOARDS LOCATION.
: USES UNLEADED SOLDER.
26
CFD-V6
• Waveforms
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
A
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM (RADIO SECTION),
no mark : FM (RADIO SECTION),
TAPE PLAY (TAPE SECTION)
(
) : AM (RADIO SECTION),
REC (TAPE SECTION)
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: PB
a
: REC
J
: CD
• Abbreviation
CET
: East European & Russian
1
2
Q301
C
T301
VOLT/DIV : 1 V AC
TIME/DIV : 5
TIME/DIV : 5
µ
sec
VOLT/DIV : 1 V AC
(ATT : 1/10)
TIME/DIV : 5
µ
sec
– CONTROL/POWER SECTION –
3.1Vp-p
17.95
µ
sec
30Vp-p
17.95
µ
sec
– CD SECTION –
1
IC701
4
RF
2
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.5
TIME/DIV : 0.5
µ
sec
IC701
rk
XOUT
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.2
TIME/DIV : 0.2
µ
sec
0.7–1.0Vp-p
(LPC ON)
1.1Vp-p
29.53nsec
3
IC701
qd
(FE)
4
VOLT/DIV : 0.5 V AC
TIME/DIV : 1 msec
TIME/DIV : 1 msec
IC701
qg
(TE)
VOLT/DIV : 0.5 V AC
TIME/DIV :1 msec
TIME/DIV :1 msec
0.6Vp-p
0.6Vp-p
(PLAY MODE)
(PLAY MODE)
Note:
The components identified by mark
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
27
CFD-V6
• IC BLOCK DIAGRAMS –MAIN SECTION–
IC1 TA2111N
IC301 TA2068N
AM RF IN
FM RF OUT
FM RF IN
RF GND
AM LOW
-CUT
FM/AM
MIX OUT
AGC
VCC
AM IF IN
FM IF IN
GND
TUN LED
ST LED
QUAD
FM OSC
AM OSC
AFC
DET OUT
MPX IN
LPF2
LPF1
L-OUT
R-OUT
7
5
4
3
1
2
6
8
9
12
10
11
14
15
16
17
18
19
21
20
24
23
RF VCC
22
13
DECODER
VCO
DIVIDER
ST/MONO
FM/AM
AF
AMP
FM
MUTE
AF BUFFER
FM
DET
AM
DET
AM
RF AMP
FM
RF AMP
FM
MIX
FM
OSC
AM
OSC
AM
MIX
TUN
LED
ST
LED
FM IF
AMP
AM IF
AMP
AGC
LEVEL
DET
21
22
23
24
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
LOGIC
7dB
26dB
26dB
7dB
ALC1
ALC2
DET
MIC
AMP1
1k
10k
NAB
AMP2
NAB
AMP1
ON
MUTE
MUTE
MUTE
BUF AMP
A2
BUF AMP
A1
BUF AMP
B1
BUF AMP
B2
TAPE
TAPE
–––––
TAPE
–––––
LINE
RADIO
10k
10k
10k
1k
1k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
15k
6k
1k
6k
LINE
RADOI
TAPE
REC
AMP1
REC
AMP2
REF AMP
2.1
ON
ON
MONITOR
AMP
MONITOR
AMP
L. LIN
MIC
I/EX
L. RAD
L. LO
REC
TAPE
R. LIN
MIC
IN
R. LO
LINE
R. RAD
VCC
MIC
NF
R. PO
R. NF
R. RO
R. IN
GND
REF
L. IN
L. RO
L. NF
L. PO
AGC
• IC BLOCK DIAGRAMS –CONTROL/POWER SECTION–
28
CFD-V6
IC701 LC78645NE-U-E
1
APC
PLL
VCEC
GATE
GATE
GENERAL-
PURPOSE
PORTS
DRF
SLICE
LEVEL
CONTROL
MIX
EQ
AGC
LPF
PH
BH
TBAL
LEVEL SET
LPF
SW
MONI
CONT
CONT
JITTER
DETECT
A/D
SERVO
PROCESSOR
RAM
AUTO
ADJUST
FRAME SYNC DETECT,
PROTECT INSERT,
EFM DECODE
TRACK
JUMP
SW
D/A
COMMAND
INTERFACE
INTERFACE
8FS
DIGITAL
FILTER
1BIT
DAC
SUBCODE
DECODE CRC
CLV, CAV
CONTROL
MONITOR
SIGNAL
SELECTOR
AUDIO
OUT
CLOCK
GENERATOR
ERROR
CORRECTION
AUDIO CD
C1-1, C2-2
RAM
SERIAL
OUT
EXTERNAL
AUDIO IN
2
3
4
5
6
7
8
9
+
–
+
–
+
–
+
–
+
–
10
13
12
11
+
+
–
+
+
–
TBAL
14
15
16
17
18
19
20
LPF
S/H
21 22 23 24
+
–
+
–
+
–
25 26 27
28 29 30
80 79
78 77 76 75 74 73
72 71 70
RUPTURE
DEFECT
32 33 34 35 36
31
PCK
LPF
INTERPOLATION
MUTE
ATTENUATION
DEEMPHASIS
69 68
67
65 64 63 62 61
66
37 38 39 40
60
59
58
57
56
55
53
52
54
51
50
49
48
47
46
45
44
43
42
41
SLCO
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
MONI1
MONI2
MONI3
MONI4
MONI5
(3.3V)VSS
VDD
DOUT
CL
CE
FSEQ
TEST
*RES
*WRQ
DO
DI
VSS
VDD5V
CONT1
DRF
CONT2
CONT3
PCKIST
VVSS
PD02
PD01
LDD
LDS
FR
VVDD
V/*P
LVSS
LCHO
LVSS
RVSS
RCHO
RVSS
XVDD
XOUT
XIN
FSX/16MIN
XVSS
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
C2F
EFLG
• IC BLOCK DIAGRAMS –CD SECTION–
Click on the first or last page to see other CFD-V6 service manuals if exist.