Sony CFD-C1000 Service Manual ▷ View online
– 43 –
• IC Block Diagrams
IC2 LA1833L
IC3 LC72131D
AM IF
REG
AM MIX
24
23
FM IF
FM DET
ST IND
TU LED
GND
BUFF
VCC
PH DET
AM/FM
OSC/FMSD
OSC
22
AFC
21
AM RF
20
SMET
19
AM OUT
18
FM OUT
17
MPX VCO
16
MPX IN
15
M OUT
14
R OUT
13
L OUT
1
2
3
4
5
6
7
8
9
10
11
12
FM IF
FM DET
S-CURVE
AM IF
AM DET
DECODER
PILOT
CANCEL
PILOT
DET
FF
CWK 0
FF
PFK
FF
30K
VCO
30KHz
STEREO
SW
P-DET
COMP
BUFFER
LEVEL
DET
TUNING
DRIVE
AM/FM
IF BUFF
AM
OSC
AM
MIX
AM
RF AMP
ALC
REG
GND
VCC
AGC
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
2 3 4 5
6 7 8 9
16
15
14
13
12
11
10
17
18
19
20
XOUT
VSS
AOUT
AIN
PD
VDD
FMIN
AMIN
XIN
DO
CL
DI
CE
IFIN
IO1
BO4
BO3
BO2
BO1
IO2
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
– 44 –
IC301 BA3426AS
IC703 BA5936S
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
OUT2+
OUT2-
OUT1+
32
31
OUT1-
VCC
VCC
IN1
IN2
REG-B
REG-I
OUT3+
UN3-F
GND
OUT3-
IN3-R
REG OUT
GND
OUT6-
30
OUT6+
29
IN6-F
28
IN6-R
27
MUTE IN
26
GND
25
GND
24
BIAS IN
23
VCC
22
IN4
BIAS
BIAS
21
IN5
20
OUT5+
19
OUT5-
18
OUT4+
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
OUT4-
+
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
+
+
LEVEL SHIFT
LEVEL SHIFT
DETECTION
OF REG-OUT
CURRENT
MUTE
BIAS
BIAS
BIAS
+
+
– 45 –
IC304 TDA7319
1
3
20
18
VS
2
IN L
CREF
19
IN R
TREBLE R
TREBLE L
M IN L
M OUT L
B IN L
B OUT L
OUT L
SDA
SCL
SUPPLY
SERIAL BUS DECODE & LATCH
TREBLE
17
M IN R
16
M OUT R
15
B IN R
14
4
5
6
7
B OUT R
13
OUT R
12
GND
11
8
9 10
DIG GND
MIDDLE
BASS
1ST
2ND
TREBLE
MIDDLE
BASS
1ST
2ND
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
IC702 CXD2589Q
– 46 –
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
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