Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ▷ View online
77
HCD-C770/C990
– RELAY Board –
IC701, 711, 721
BA6956AN
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
O
UT2
O
UT1
RNF
VM
VCC
FIN
GND
RIN
– DVD Board –
IC203
BR9040F-D-E2
8
7
6
5
1
2
3
4
DI
DO
GND
WC
SK
CS
VCC
R/B
COMMAND DECODE
CONTROL CLOCK
GENERATION
POWER
SUPPLY
VOLTAGE
DETECTOR
HIGH VOLTAGE
GENERATOR
WRITE
DISABLE
COMMAND
REGISTER
ADDRESS
BUFFER
DATA
REGISTER
ADDRESS
DECODER
DECODER
R/W
AMP
4096bit
EEPROM ARRAY
8bit
16bit
16bit
8bit
IC215
SN74ALVCH16841DGGR
1
1OE
56 1LE
LE
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
LATCH
LATCH
28
2OE
29 2LE
OE
LE
OE
1D1
1D2
GND
1D3
1D4
VCC
1D5
1D6
GND
1D7
1D8
1D9
1D10
2D1
2D2
2D3
GND
2D4
2D5
2D6
VCC
2D7
2D8
GND
2D9
2D10
1Q1
1Q2
GND
1Q3
1Q4
VCC
1Q5
1Q6
GND
1Q7
1Q8
1Q9
1Q10
2Q1
2Q2
2Q3
GND
2Q4
2Q5
2Q6
VCC
2Q7
2Q8
GND
2Q9
2Q10
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
78
HCD-C770/C990
IC302
BR24C08F-E2
1
2
3
4
5
7
8
A0
A1
A2
A1
A2
GND
Vcc
TEST
SCL
SDA
2048bit EEPROM ARRAY
8bit
8bit
ADDRESS
DECODER
DECODER
SLAVE/ WORD
ADDRESS REGISTER
HIGH–VOLTAGE
GENERATOR
POWER SUPPLY
VOLTAGE DETECTOR
DATA
REGISTER
ST
AR
T
STOP
ACK
CONTROL CIRCUIT
6
8bit
IC401
CXD3068Q
DOUT
LRCK
PCMD
BCK
DVDD2
ASYE
MD2
EMPH
XTSL
DVSS2
XTAI
XTAO
SQSO
SQCK
SCSY
SBSO
EXCK
SOUT
SOCK
XOLT
SE
TE
VC
TES1
TEST1
DVSS1
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
DVDD1
FSTO
SSTP
MDP
LOCK
PWMI
FOK
DFCT
DIGITAL
CLV
PROCESSOR
OSC
DIGITAL
OUT
EFM
DEMODULATOR
32K
RAM
ERROR
CORRECTOR
D/A DIGITAL
INTERFACE
MIRR, DFCT,
FOK
DETECTOR
CPU
INTERFACE
SUBCODE
PROCESSOR
SERVO
AUTO
SEQUENCER
SERVO INTERFACE
DVDD0
XRST
MUTE
D
ATA
XLA
T
CLOK
SENS
SCLK
A
TSK
WFCK
XUGF
XPCK
GFS
C2PO
SCOR
C4M
WDCK
DVSS0
COUT
MIRR
A
VDD0
IGEN
A
VSS0
ADIO
RFDC
CE
TE
A
VSS1
RF
AC
ASYI
ASYO
BIAS
A
VDD1
PCO
FILI
FILO
CL
TV
V16M
VCTL
VPCO
59 58
57 56 55 54 53 52
51 50 49 48
47 46 45 44 43 42 41
1
2
3
4
5
6
7
8 9 10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
OPERA
TIONAL
AMPLIFIER &
ANALOG SWITCH
A/D
CONVER
TER
FOCUS
PWM
GENERATOR
TRACKING
PWM
GENERATOR
SLED
PWM
PWM
GENERATOR
FOCUS
SERVO
SERVO
DSP
TRACKING
SERVO
DSP
SLED
SERVO
DSP
ASYMMETRY
CORRECTOR
DIGITAL
PLL
CLOCK
GENERATOR
60
79
HCD-C770/C990
IC602
PCM1800E/2K
IC604
IDT71V016S15PH-AUTL
SINGLE-END
DEFERENTIAL
CONVERTER
REFERENCE
SINGLE-END
DEFERENTIAL
CONVERTER
DIGITAL ∑
MODULATOR
DIGITAL ∑
MODULATOR
1/64
DECIMATION
FILTER
&
LOW-CUT
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
LIN
V REF 1
REFCOM
V REF 2
RIN
RSTB
FMT0
BYPASS
FMT1
MODE1
MODE0
FSYNC
1
2
3
4
5
6
8
7
9
11
10
12
AGND
VCC
C PR
C NR
C PR
C NR
DGND
SYSCL
K
DOUT
BCK
LRCK
VDD
24
23
22
21
20
19
17
16
15 14 13
18
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
64K x 16
MEMORY
ARRAY
SENSE AMP
&
WRITE
PRIVER
HIGH
BYTE
BYTE
I/O
BUFFER
LOW
BYTE
I/O
BUFFER
CHIP ENABLE
BUFFER
WRITE ENABLE
BUFFER
OUTPUT ENABLE
BUFFER
ROW/COLUMN
DECODER
BYTE ENABLE
BUFFER
1
A3
A2
A1
A0
CS
I/O 0
I/O 1
I/O 2
I/O 3
VDD
VSS
I/O 4
I/O 5
I/O 6
I/O 7
WE
A15
A14
A13
A12
NC
A4
A5
A6
A7
OE
BHE
BLE
I/O 15
I/O 14
I/O 13
I/O 12
VSS
VDD
I/O 11
I/O 10
I/O 9
I/O 8
NC
A8
A9
A10
A11
NC
80
HCD-C770/C990
IC606
LC89056W-E
IC608
AK4382AVT-E2
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CL
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
XSEL
31
DGND
DO
CSFLAG
F0
F1
F2
VF
ERR9P
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
X’ TAL
PDN
CSN
CCLK
CDTI
MCLK
1
BICK
SDTI
LRCK
2
3
4
4
5
6
7
8
VSS
VDD
DZFR
DZFL
13
14
15
16
AOUTL–
AOUTL+
11
12
SCF
∆∑
MODULATOR
8x
INTERPOLATOR
AOUTR–
AOUTR+
9
10
SCF
∆∑
MODULATOR
8x
INTERPOLATOR
AUDIO
DATA
INTERFACE
CLOCK
DIVIDER
DE–EMPHASIS
CONTROL
µP
INTERFACE
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