Sony ZS-D50 (serv.man2) Service Manual ▷ View online
– 51 –
r
IC Block Diagrams (Main Section)
IC305 LA2010
IC302 BH3854AS
IC301 TA2068N
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
LINE-L
MIC
I/EX
TU-L
OUT-L
REC
TAPE
LINE-R
MIC
OUT-R
LINE/RADI
O
TU-R
VCC
MIC
R. PO
RNF
R. RO
RIN
GND
REF
LIN
L. RO
LNF
L. PO
AGC
BIN1
BVO1
TIN1
TVO1
AGND
IN1
NF2
BVN1
OUT1
VCC
SC
PORT1
DGND
BIN2
BVO2
TIN2
TVO2
OUT2
VC
TC
BC
CLK
DATA
LATCH
VREF
28
DVN2
29
NF2
30
IN2
31
FILTE
R
32
4
3
2
1
27
26
25
24
23
20
19
18
17
5
6
7
8
9
10
11
12
13
14
15
16
22
21
TONE
TONE
CONTROL
MATRIX
SURROUND
VR
VR
PORT2
PORT3
PORT4
2
3
5
4
6
7
8
9
1
AMP
IN PUT
DET OUT
NF
TIME
GND
OUT PUT
VCC 2
GND
VCC 1
COMP(1)
COMP(2)
RESET
HOLD
– 52 –
IC701 CXA1992BR
r
IC Block Diagrams (CD/System Section)
Charge
up
FEO
FEI
FDFCT
FGD
FLB
FEO
FE-M
SRCH
TGU
TG2
FSET
TE-M
TEO
SL-P
SL-M
SLO
ISET
VCC
VCC
LOCK
CLK
XLT
DATA
XRST
C. OUT
SENS1
SENS2
FOK
CC2
CC1
CB
CP
RFI
RFO
RF-M
RFTC
LD
PD
PD1
PD2
F. BIAS
F
E
EI
GND
TO
LPFI
TI
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
– 53 –
IC702 CXD2589Q
CLOCK
GENERATOR
OSC
PWM
ASYMMETRY
CORRECTOR
DIGITAL
PLL
SERVO
AUTO
SEQUENCER
EFM
DEMODULATOR
SUB CODE
PROCESSOR
TIMING
LOGIC
CPU
INTERLACE
ERROR
CORRECTOR
16K
RAM
D/A
INTERFACE
DIGITAL
OUT
DIGITAL
CLV
SERIAL-IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd-ORDER
NOISE SHAPER
PWM
60
61
62
62
63
64
65
66
67
68
68
69
70
70
71
72
73
74
75
76
76
77
78
79
80
59 58 57
56
55
54 53 52 51 50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
23
22
21
VSS
LMUTE
RMUTE
SQCK
SQSO
SENS
DATA
XLAT
CLOK
SEIN
CNIN
DATO
XLTO
CLKO
SPOA
SPOB
XLON
FOK
VDD
VSS
MDP
PWMI
TES0
TES1
VPCO1
VCK1
V16M
VCTL
PCO
FILO
FILI
AVSS
CLTV
AVDD
RF
BIAS
ASYI
ASYO
LRCK
LRCKI
PCMD
PCMDI
BCK
BCKI
VSS
VDD
XUGF
XPCK
GFS
C2PO
XTSL
C4M
DOUT
EMPH
ENPHI
WFCK
SCOR
SBSO
EXCK
VSS
VDD
SYSM
AVSS
AVDD
AOUT1
AIN1
LOUT1
AVSS
XVDD
XTAI
XTAO
XVSS
AVSS
LOUT2
AIN2
AOUT2
AVDD
AVSS
XRST
VDD
– 54 –
IC703 BA6898S
IC790 BA6418N
LEVEL SHIFT
DBUF.
DBUF.
R +TR
T –
T +
GND
NC
VCC
VREF
TIN
F –
F +
FIN
RST
REGB
REGC
MUTE
GND
SL +
SL –
VREF
SPI
SPO
GND
SP+
SP–
R +SP
SPIN
GND
NC
28
SLIN
29
RNC
30
VCC
31
GND
32
4
3
2
1
27
26
25
24
23
20
19
18
17
5
6
7
8
9
10
11
12
13
14
15
16
LEVEL SHIFT
OP-AMP
DBUF.
DBUF.
22
21
LEVEL SHIFT
DBUF.
BIAS
100
100
10K
10K
10K
13.3K
13.3K
13.3K
13.3K
10K
50K
50K
DRIVER-MUTE
DBUF.
LEVEL SHIFT
REGULATOR
BIAS
T. S. D
MONITOR
REGULATOR
DBUF.
DBUF.
3
4
5
6
7
9
1
8
T.S.D.
6.8K
20K
12K
20K
12K
6.8K
CONTROL LOGIC
DRIVER
GND
INPUT2
GND
NC
VCC
OUT1
GND
OUT2
INPUT1
2
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