Sony CFD-ZW700 / CFD-ZW705 / CFD-ZW750 / CFD-ZW770 Service Manual ▷ View online
– 47 –
– 48 –
5-16. SCHEMATIC DIAGRAM — POWER SUPPLY SECTION — (for CFD-ZW770)
CFD-ZW750/ZW770
Note:
• 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.
•
1
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
(Page
43)
5-17. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — (for CFD-ZW750/ZW770) • Refer to page 54 for IC Block Diagrams.
CFD-ZW750/ZW770
– 49 –
– 50 –
Note:
• 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.
•
¢
: internal component.
•
U
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : AM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
f
: AM
(Page 27)
(Page 31, 41)
– 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
• IC Block Diagrams
– 52 –
IC703 CXD2589Q
IC702 BA6898FP
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
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