Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ▷ View online
81
HCD-C770/C990
IC612
CXD9633Q
54
TEST3
69
DIRDSCK1
70
DIRDSCK2
INTERNAL
CONTROL
38 SELDH1
37 SELDH2
36 F8FL
35 F8FR
34 F8CT
47
F2FLREX1
49
CKOUT
48
TEST1
53
TEST2
52
MCK
46
F2CSWEX2
51
VDD5
50
VSS5
44
F2LRCK
43
F2BCK
42
FMT2FS
41
VDD4
45
F2SLR
33 F8SW
32 F8BL
31 VDD3
30 VSS3
29 F8BR
28 F8SL
27 F8SR
26 F8WCK
WCK
BCK
CK
25 F8BCK
24 FMT8WCK
23 FMT8FS
22 DIR8CK
21 VDD2
65
DSICT
66
DSISW
67
DSISL
68
DSISR
75
XMTDSD
76
SEL8FS
77
SELEXT
78
SYNC
79
INIT
80
VSS7
74
XMTPCM
71
SELRAM
63
DSIFL
62
DSBCKF
61
VDD6
64
DSIFR
FL
INTERNAL
CLOCK
PCM
MUTE
FIR FILTER
&
DOWN
SAMPLING
UNIT
CLOCK
GENERATOR
&
TIMING
CONTROL
8FS
I/F
15
DSOBL
16
DSOSW
17
DSOCT
18
DSOFR
12
DSOSR
19
DSOFL
20
VSS2
13
DSOSL
6
SELSBSW
7
SELSBR
8
SELMCU
9
MONTOR
10
VSS1
11
DSBCKB
14
DSOBR
2
MSHIFT
1
VDD1
3
MLATCH
4
MDATA
5
DSGAIN
39 DIR2CK
40 VSS4
DSD MUTE
DSD
SW/SB
SELECT
2FS
EXT.
CLOCK
SELECT
2FS
EXT.
DATA
SELECT
2FS I/F
COEF. SELECT
TEST/MONITOR
CONTROL
RAM
29bit x 240
ROM
24bit x 720
CPU I/F
CONTROL
8FS
SW/SB
SELECT
72
SELFIR1
73
SELFIR2
FR
CT
SW
SL
SR
FL
FR
CT
SW
SL
SR
FL
FR
CT
SW
SL
SR
CK
CKB
WCK
BCK
FL
FR
CT
SW
SL
SR
CKB
56
EXILRCK
55
EXIBCK
58
EXID1
57
EXID2
59
EXIMCK
60
VSS6
82
HCD-C770/C990
IC706
MSM51V18165F-60TSKR1
IC808
MSM56V16160F-8TK7R1
NC
A9
A8
A7
A6
A5
A4
VSS
NC
NC
A0
A1
A2
A3
VCC
VCC
DQ1
DQ2
DQ3
DQ4
VCC
DQ5
DQ6
DQ7
DQ8
WE
RAS
31
32
29
30
26
27
28
20
19
22
21
24
25
23
2
VCC
1
4
3
6
5
8
7
10
9
VSS
DQ16
DQ15
DQ14
DQ13
VSS
DQ12
DQ11
DQ10
DQ9
49
50
47
48
45
46
43
44
41
42
35
I/O
SELECTOR
OUTPUT
BUFFER
INPUT
BUFFER
OUTPUT
BUFFER
INPUT
BUFFER
SENSE
AMPLIFIER
COLUMN
DECODERS
MEMORY
CELLS
WORD
DRIVERS
ROW
DECODERS
ON CHIP
VBB GENERATOR
ON CHIP
IVCC GENERATOR
COLUMN
ADDRESS
BUFFERS
LCAS
34
UCAS
33
OE
I/O
CONTROLLER
I/O
CONTROLLER
17 18
11 – 16
NC
40 – 36
ROW
ADDRESS
BUFFERS
INTERNAL
ADDRESS
COUNTER
COUNTER
REFRESH
CONTROL
CLOCK
TIMING
GENERATOR
VCC
VCC
VCC
VCC
A9
A8
A7
A6
A5
A4
VSS
A11
A10
A0
A1
A2
A3
VCC
VCC
DQ1
DQ2
VSSQ
DQ3
DQ4
VCCQ
DQ5
DQ6
VSSQ
DQ7
DQ8
VCCQ
VSS
DQ16
DQ15
VSSQ
DQ14
DQ13
VCCQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VCCQ
CAS
RAS
31
32
29
30
26
27
28
21
20
19
23
22
25
24
2
1
4
3
6
5
8
7
10
9
11
13
12
49
50
46
48
44
47
45
42
43
39
40
36
READ
DATA
REGISTER
INPUT
DATA
REGISTER
OUTPUT
BUFFERS
INPUT
BUFFERS
SENSE
AMPLIFIER
COLUMN
DECODERS
MEMORY
CELLS
WORD
DRIVERS
ROW
DECODERS
COLUMN
ADDRESS
BUFFERS
UDQM
35
CLK
34
CKE
33
NC
37
NC
38
41
I/O
CONTROLLER
PROGRAMING
REGISTER
16
WE
15
17
CS
18
LDQM
14
ROW
ADDRESS
BUFFERS
INTERNAL
COLUMN
ADDRESS
COUNTOR
LATENCY
&
BURST
CONTROLLER
INTERNAL
ROW
ADDRESS
COUNTOR
TIMING
REGISTER
BANK
CONTROLLER
83
HCD-C770/C990
– AMP Board –
IC301, 304, 306, 307, 309, 311
CXD9702L
IC814
TC7WH157FK (TE85R)
SELECT
11
6
ST
11
7
A
1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
CROSS OVER
DELAY
FILTER
THERMAL
SHUT DOWN
UNDER
VOLTAGE
LOCK–OUT
HIGH SIDE
LEVEL SHIFT
PROTECTOR
CIRCUIT
PRE
DRIVER
LOW SIDE
LEVEL SHIFT
PRE
DRIVER
−
16
INB
15
GNDB
14
VDDB
20
SB
19
OUTB
13
VDRVB
12
VBOOTB
11
VBBB
VDRVB
VBBB
17
ENB
18
DIAGB
CROSS OVER
DELAY
THERMAL
SHUT DOWN
UNDER
VOLTAGE
LOCK–OUT
HIGH SIDE
LEVEL SHIFT
PROTECTOR
CIRCUIT
PRE
DRIVER
LOW SIDE
LEVEL SHIFT
PRE
DRIVER
6
INA
5
GNDA
4
VDDA
10
SA
9
OUTA
3
VDRVA
2
VBOOTA
1
VBBA
VDRVA
VBBA
7
ENA
8
DIAGA
VDRVA
VDRVB
VBBA
VBBB
VBBB
+
FILTER
+
−
−
VBBA
+
+ −
84
HCD-C770/C990
39
NSPMUTE
40
PGMUTE
24
OUTL1+
23
VDDL1+
22
VDDL1–
21
OUTL1–
20
VSSL1–
19
VSSL2–
OUTL2–
VDDL2–
VDDL2+
OUTL2+
VSSL2+
VSSR1+
OUTR1+
VDDR1+
VDDR1–
OUTR1–
VSSR1–
VSSR2–
18
17
16
15
14
13
12
11
10
9
8
7
6
OUTR2–
5
VDDR2–
4
VDDR2+
3
OUTR2+
2
VWELL
1
VWELR
62 EXBCK
63 CXWCK
64 XFSIIN
XFSIIN
60 EXDATAL
59 EXIOSEL
61 EXDATAR
57 CKCTL2
CKCTL2
58 BFVDD
56 CKCTL1
55 TEST2
54 TEST1
49 DSDR
50 DSDL
47 DSD128FS
48 DSD64FS
52 DSDCKSEL2
53 DSDCKIO
51 DSDCKSEL1
PWM
/THROUGH
CLOCK
GENERATOR
(SECONDARY)
CLOCK
GENERATOR
(PRIMARY)
∆∑
S g P
45 LRCK
46 FSII
43 DATA
37
SCSHIFT
38
SCDT
36
SCLATCH
35
MODE2
34
MODE1
33
DVDD
32
MCKSEL
41 INIT
44 BCK
S g P
DOWN
SAMPLING
FILTER
GAIN
CONTROL
INIT/
MUTE
SERIAL
CONTROL
RATE
CONVERTER
LINER
INTERPOLATOR
(2 TIMES)
76
XOVDD
77
XFSOUT
78
XOVSS
79
VSUBCR
73
FSOCKO
80
VSSR2+
74
FSOI
75
DVDD
68
BFVSS
69
DVSS
70
OUTSEL
71
OFLFLAG
65
CKO1
72
SFLAG
66
CKO2
67
CKO3
SYNC
XFSIIN
FSII
CKCTL1
FSII
42 SYNC
SYNC
MCKSEL
MCKSEL
CKCTL2
CKCTL1
28
XFSOIN
29
XVSS
30
VSUBX
31
DVSS
27
XVDD
26
XSUBCL
25
VSSL1+
IC305, 308, 310
CXD9634Q
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