Sony CFD-W57L Service Manual ▷ View online
– 49 –
• IC Block Diagrams
IC1 TA2008AN
IC2 BU2615S
IC301 BA3426AS
AM
OSC
AM
RF
BUFF
FM
OSC
FM
MIX
AM
MIX
AM
DET
FM
DET
ST
DET
AGC
FM RF IN
GND1
MIX OUT
AGC
VCC2
FM IF IN
AM IF IN
GND2
QUAD
ST IND
L OUT
R OUT
AM RF IN
FM RF OUT
AM OSC
FM OSC
VCC1
OSC OUT
IF OUT
DET OUT
MPX IN
LPF1/BAND
LPF2/MO-ST
VCO
AM/FM
ST/MONO
SW
LEVEL
DET
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
BUFF
IF
BUFF
BUFF
AF
BUFF
BUFF
FM
IF
IF
AM
IF
IF
FM
RF
MUTE
FM
MPX
1/8 DIV
REFERENCE
DIVIDER
PHASE
DET
PRESCALER
22
2
1
4
5
6
7
8
9
10
11
SHIFT REGISTER LATCH
I/O
CTL
IF
COUNT
CTL
20 BIT
COUNT
MAIN
COUNT
UNLOCK
XOUT
VSS
PD1
VDD1
VDD2
FMIN
AMIN
P2
IFIN
P6
PD2/P5
XIN
CE
3
NC
CK
DA
CD
P0
P1
P3
P4
BUFFER
21
NC
20
19
18
17
16
15
14
13
12
AGC
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
28
27
26
25
24
23
22
21
20
19
18
17
REC EQ
REC EQ
LOGIC
B-L
B-R
TR-B
TR-C
TAPE-MODE
FNC
REC-EQ-L
REC-EQ-R
REC-NF-L
REC-NF-R
LPF-L
LPF-R
AGC
BIAS
GND
VCC
A-L
TAPE-NF-L
TAPE-O-L
A-R
TAPE-NF-R
TAPE-O-R
MIC/HS
MIC-NF
MIC-IN
RADIO-IN-L
RADIO-IN-R
CD-IN-L
CD-IN-R
LINE-OUT-L
LINE-OUT-R
BIAS-IN
29
– 50 –
IC704 CXD2589Q
IC702 BA6898FP
IC703 BA6208
PWM
PWM
1
2 3
4 5 6
12
13
14
15 16 17
19 20
34
27
24
23
25
21
61
63
64
66
67
68
69
70
71
72
73
74
75
77
78
79
80
OSC
62
65
76
7 8 9
10
11
18
22
28
26
33
32
31
30
29
36
35
40
39
38
37
45
44
43
42
41
50
49
48
47
46
55
54 53 52 51
59 58 57
56
60
EFM
DEMODULATOR
ERROR
CORRECTOR
16k
RAM
D/A
INTERFACE
CLOCK
GENERATOR
SERVO
AUTO
SEQUENCER
CPU
INTERFACE
DIGITAL
OUT
SUB CODE
PROCESSOR
3rd-ORDER
NOISE SHAPER
OVER SAMPLING
DIGITAL FILTER
SERIAL-IN
INTERFACE
DIGITAL
CLV
OSC
DIGITAL
PLL
ASYMMETRY
CORRECTOR
LRCKI
LRCK
ASYO
ASYI
BIAS
RF
AVDD
CLTV
AVSS
FILI
FILO
PCO
V16M
VCTL
VCTL
VCKI
VPCO1
TES1
TES0
PWMI
MDP
VDD
SYSM
AVSS
AVDD
XTAI
XVDD
AVSS
LOUT1
AIN1
AOUT1
XTAO
XVSS
AVSS
LOUT2
AIN2
AOUT2
AVDD
AVSS
XRST
XRST
VDD
VSS
EXCK
SBSO
SCOR
WFCK
ENPHI
EMPH
DOUT
C4M
XTSL
C2PO
GFS
XPCK
XUGF
VDD
VSS
BCKI
BCK
PCMDI
PCMD
VSS
LMUTE
RMUTE
SQCK
SQSO
SENS
DATA
XLAT
CLOK
SEIN
CNIN
DATO
XLTO
CLKO
SPOA
SPOB
XLON
FOK
VDD
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
D.BUF
D.BUF
LEVEL
SHIFT
D.BUF
D.BUF
D.BUF
GND
F–
F+
FIN
NC
VREF
VCC
VCC
NC
TIN
T–
T+
VREF
SPI
SL–
SL+
SLIN
NC
NC
NC
MUTE
GND
SPIN
NC
SP–
SP+
GND
SPO
D.BUF
D.BUF
D.BUF
REGULATOR
DRIVER-
MUTE
VCC
VCC
1
2
3
4
5
6
7 8
9
NC
OUTPUT 2
Vcc
GND
NC
INPUT 2
INPUT 1
NC
MOTOR
DRIVE
MOTOR
DRIVE
REG
SWITCH
SWITCH
OUTPUT1
– 51 –
IC701 CXA1992BR
CHARGE
UP
FSET
TRACKING
PHASE COMPENSATION
FOCUS
PHASE COMPENSATION
40
FE BIAS
41
F
42
E
43
EI
44
VEE
45
TEO
46
LPF1
47
TEI
48
ATSC
49
TZC
50
TDFCT
51
VC
52
FZC
26
SENS2
25
SENS1
24
C OUT
23
XRST
22
DATA
21
XLT
20
CLK
19
LOCK
VCC
17
ISET
16
SL O
SL M
SL P
39
PD2
PD1
38
37
PD0
36
LD
35
RFTC
34
RF M
33
RF O
32
RF I
31
CP
30
CB
29
CC1
28
CC2
27
FOK
1
FEO
FEI
FDFCT
FGD
FLB
FE O
7
FE M
8
SRCH
9
TGU
10
TG2
11
FSET
12
TA M
13
TA O
TM2
TM6
TM4
TM7
TM5
TM3
VEE
VEE
TG2
VCC
FS1
FS2
FS4
TG1
TM1
DFCT
DFCT
VEE
VCC
ISET
VCC
VCC
FZC COMP
VCC
VCC
VEE
TZC COMP
ATSC
WINDOW
COMP
E-F BALANCE
WINDOW COMP
TOG1
BAL1
BAL2
BAL3
BAL4
IFB1
IFB2
IFB3
IFB4
IFB5
IFB6
TOG2
TOG3
TOG4
E IV AMP
F IV AMP
PD2 IV
AMP
PD1 IV
AMP
VCC
APC
VCC
VEE
TGFL
VEE
VEE
VEE
LASER POWER CONTROL
FE AMP
RF SUMMING AMP
FO BIAS
WINDOW
COMP
FOK
TRK GAIN
WINDOW COMP
VCC
DFCT
VCC
VCC
VEE
VEE
MIRR
VEE
IIL
IIL
TTL
IIL
TTL
TTL
CC1
DFCT1
MIRR
LDON
LPCL
LPC
TGFL
FOH
FOL
TGH
TGL
BALH
BALL
ATSC
TZC
FZC
IIL DATA REGISTER
INPUT SHIFT REGISTER
SENS SELECTOR
OUTPUT DECODER
DFCTO
IFB1–6
BAL1–4
TOG1–4
FS1–4
TG1–2
TM1–7
PS1–4
4
5
6
3
2
14
15
18
LEVEL 9
– 52 –
SECTION 6
EXPLODED VIEWS
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
Ref. No.
Part No.
Description
Remark
6-1. FRONT CABINET SECTION
T
T
Ref. No.
Part No.
Description
Remark
• Abbreviation
IT
: Italian model
EE
: East European model
• Accessories and packing materials and
hardware (# mark) list are given in
the last of this parts list.
the last of this parts list.
1
X-3374-962-1 NET SUB ASSY, SPEAKER
2
3-021-487-01 WINDOW, LCD
3
X-3374-961-1 CABINET SUB ASSY, FRONT (AEP,UK,IT)
3
X-3376-249-1 CABINET SUB ASSY, FRONT (EE)
* 4
A-3322-237-A CONTROL BOARD, COMPLETE
* 5
1-667-505-11 HEADPHONE BOARD
* 6
1-668-026-11 H/P RETAINER BOARD
7
3-017-470-01 LID, BATTERY CASE
0 8
1-696-820-21 CORD, POWER
9
3-831-441-99 CUSHION, SPEAKER
10
4-951-620-01 SCREW (2.6X8), +BVTP
11
3-028-399-01 RUBBER (R)
* 12
3-028-222-02 CUSHION, MAIN
SP901
1-505-608-11 SPEAKER (8cm) (L-CH)
SP902
1-505-608-11 SPEAKER (8cm) (R-CH)
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
SP901
#2
#2
#2
#2
#2
#2
#2
#2
#2
#2
#5
#5
SP902
not supplied
4
3
1
2
5
6
9
12
7
9
11
12
9
11
10
10
10
10
10
8
Ver 1.2 2000. 07
Click on the first or last page to see other CFD-W57L service manuals if exist.