Sony CFD-V27 Service Manual ▷ View online
— 36 —
• IC BLOCK DIAGRAMS (CD SECTION)
IC701 CXA1992BR
Charge
up
FEO
FEI
FDFCT
FGD
FLB
FE_O
FE_M
SRCH
TGU
TG2
FSET
TA_M
TA_O
SL_P
SL_M
SL_O
ISET
VCC
VCC
LOCK
CLK
XLT
DATA
XRST
C. OUT
SENS1
SENS2
FOK
CC2
CC1
CB
CP
RF_I
RF_O
RF_M
RFTC
LD
PDO
PD1
PD2
FE_
BIAS
F
E
EI
VEE
TEO
LPF1
TEI
ATSC
TZC
VC
FZC
TM2
VEE
VEE
TM3
TM5
TM4
TM6
VCC
VCC
TM7
ISET
TTL
↓
IIL
IIL
↓
TTL
IIL
↓
TTL
IIL DATA REGISTER,
INPUT SHIFT REGISTER,
ADDRESS DECODER,
SENS SELECTOR,
OUTPUT DECODER
INPUT SHIFT REGISTER,
ADDRESS DECODER,
SENS SELECTOR,
OUTPUT DECODER
DFCTO IFB1-6
BAL1-4
TOG1-4
TOG1-4
FS1-4
TG1-2
TM1-7 PS1-4
FOH
FOL
TGH
TGL
BALH
BALL
ATSC
TZC
FZC
FSET
TG2
VEE
VCC
FS1
FS2
FOCUS
PHASE COMPENSATION
PHASE COMPENSATION
DFCT
FS4
TRACKING
PHASE COMPENSATION
PHASE COMPENSATION
TG1
TM1
DFCT
FZC COMP.
VEE
VCC
VCC
TDFCT
TZC COMP.
ATSC
WINDOW
COMP.
WINDOW
COMP.
E-F BALANCE
WINDOW COMP.
WINDOW COMP.
TRK. GAIN
WINDOW COMP.
WINDOW COMP.
FO. BIAS
WINDOW
COMP.
WINDOW
COMP.
VEE
TGFL
TOG1
TOG2
TOG3
TOG4
BAL1
BAL2
BAL3
BAL4
IFB1
IFB2
IFB3
IFB4
IFB5
IFB6
FE AMP
VEE
E IV AMP
F IV AMP
VCC
APC
VCC
VEE
LASER POWER CONTROL
VEE
PD1 IV
AMP
AMP
PD2 IV
AMP
AMP
RF
SUMMING
AMP
SUMMING
AMP
VCC
VEE
VEE
LEVEL S VEE
LEVEL S VEE
MIRR
VCC
DFCT
FOK
VCC
LDON
LPCL
LPC
TGFL
MIRR
DFCT1
CC1
1
2
3
4
5
6
7
8
9
10
11
12
13
26
39
40
41
42
43
44
45
46
47
48
49
50
51
52
38
37
36
35
34
33
32
31
30
29
28
27
24
24
23
22
21
20
19
18
17
16
15
14
— 37 —
IC703 BA6898FP
LEVEL SHIFT
VCC
DRIVER MUTE
VCC
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
THERMAL
SHUT DOWN
REG VOLTAGE DOWN,
BIAS VOLTAGE DOWN,
THERMAL SHUT DOWN
MONITOR
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
SL –
SL +
SL IN
RESET
REGB
REGO
MUTE
GND
(SP IN)
SP IN
SP –
SP +
GND
SPO
GND
F –
F +
FIN
(FIN)
VRE
F
VCC
VCC
(TIN)
TIN
T –
T +
VRE
F
SP I
DRIVE
DRIVE
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
•
Abbreviation
KR : Korean model
SP : Singapore model
KR : Korean model
SP : Singapore model
SECTION 7
EXPLODED VIEWS
— 38 —
When indicating parts by reference number,
please include the board name.
please include the board name.
The components identified by mark
!
or dot-
ted line with mark
!
are critical for safety.
Replace only with part number specified.
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
7-1. FRONT CABINET SECTION
1
X-3377-857-1 CABINET (FRONT) SUB ASSY(KR)
1
X-3377-859-1 CABINET (FRONT) SUB ASSY(SP)
2
3-031-547-11 BUTTON (CD) (PLAY/STOP)
3
3-018-837-41 KNOB (TONE)
4
3-031-549-11 KNOB (VOL)
* 6
1-673-259-11 CONNECTOR BOARD
* 7
1-672-304-11 CONTROL BOARD
8
4-951-620-01 SCREW (2.6
×
8), +BVTP
9
3-031-551-01 POINTER
10
3-031-548-11 BUTTON (CD) (AMS)
11
3-031-552-11 KNOB (TU)
12
3-031-558-01 SHAFT (TU)
SP301
1-529-340-11 SPEAKER R-ch (10cm)
SP302
1-529-340-11 SPEAKER L-ch (10cm)
#2
#2
#2
#3
#3
#1
#1
#1
not
supplied
#1
SP301
SP302
6
8
8
9
10
7
8
11
12
1
2
3
4
— 39 —
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
7-2. REAR CABINET SECTION
* 51
1-672-300-11 INLET BOARD
* 52
1-672-301-11 POWER BOARD
53
1-533-233-31 HOLDER, FUSE
54
3-031-570-11 KNOB (FUNCTION)
55
3-031-550-01 BUTTON (MEGA BASS)
56
3-031-561-01 SPRING, CASSETTE UP
57
X-3376-881-1 HOLDER ASSY, CASSETTE
58
3-031-538-11 LID (CD)
59
1-452-899-11 MAGNET
60
3-019-395-01 PLATE, CHUCKING
61
3-031-562-01 SPRING (CD)
62
3-031-564-01 TERMINAL (ANT)
63
3-031-540-11 HANDLE
* 64
1-672-302-11 BATTERY BOARD
65
3-028-154-01 TERMINAL (–), BATT
66
4-960-167-01 SCREW (3
×
8)(DIA. 10), +WH
* 67
1-672-358-11 HALF BATTERY BOARD
68
3-926-244-51 LID, BATTERY CASE
69
3-031-536-81 CABINET (REAR)
ANT1
1-501-883-21 ANTENNA, TELESCOPIC
! F902
1-532-286-11 FUSE, TIME LAG (2.5A/250V)
! T901
1-433-578-11 TRANSFORMER, POWER
57
58
59
60
61
56
55
54
66
64
62
63
65
67
66
65
68
69
51
52
53
T901
not supplied
#2
#2
F902
#5
ANT1
#4
#3
#3
#2
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
Click on the first or last page to see other CFD-V27 service manuals if exist.