Sony MDX-61, Руководство по обслуживанию

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1
2
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8
9
10
20
19
18
17
16
15
14 13
12
11
21
22
23
24
25
26
A0–A9
SENSE REFRESH AMP
INPUT/OUTPUT CONTROL SWITCH
(4) INPUT
BUFFER
(4) OUTPUT
BUFFER
CLOCK OSC
COLUMN DECODER
MEMORY CELL
(4194204 BIT)
A0–A9
ROW DECODER
GND
D4
D3
XCAS
XOE
NC
NC
NC
A8
A7
A6
A5
A4 VDD
A3
A2
A1
A0
A9
NC
NC
NC
XRAS
XWE
D2
D1
ADDRESS BUFFER
IC550 CS4330-KSR-H IC700, 701 LB1638M
DE-EMPHASIS
VOLTAGE REFERENCE
INTERPOLATOR
DELTA-SIGMA
MODULATOR
ANALOG
LOW-PASS
FILTER DAC
SERIAL INPUT
INTERFACE
1
2
3
4
5
6
7
8
SDATAI
DEM/SCLK
LRCK
MCLK
AOUT L
VA+
AGND
AOUT R
1
2
3
4
5 6
7
8
9
10 GND
IN1
VCC
IN2
GND N.C.
OUT2
VS
OUT1
N.C.
CONTROL LOGIC
– POWER section –
IC900 MM1284XFFE IC950 TL1451ACDB-E20
RESET
SW
SW
SW
1
2
3
4
5
6
7 8
9
10
14
13
12
11
VCC
BUS ON
LINK OFF
CLK OUT
DATA OUT
DATA IN
RESET BUS RESET
BUS DATA
VREF
BUS CLK
GND
BUS ON INPUT
BUS ON OUT
REFERENCE
VOLTAGE
LATCH
TRIANGLE
OSCILLATOR
VERF.
+2.5V
+2.5V
+
–
U.V.L.O
–
+
+
–
1 2 3 4 5 6 7 8
9 10 16 15 14 13 12 11
PWM
COMPA-
RATOR2
OUTPUT2
OUTPUT1
GND
PWM
COMPA-
RATOR1
VERF
S R R
VERF VERF
ERROR
AMP2
ERROR
AMP1
VREF/2
SHORT
CIRCUIT
PROTECTION
COMPARATOR
VCC
+
REF OUT S.C.P NON-INV- INPUT2 INV- INPUT2 FEED BACK2 DEAD TIME CONTROL2 OUT2 VCC
GND
OUT1
RT
NON-INV-
INPUT1
INV-
INPUT1
FEED
BACK1
DEAD
TIME
CONTROL1
CT
•
IC Block Diagrams
– SERVO section –
– MAIN section –
IC501 HM51W4400TT6-8 IC200 CXD2535CR-1
SHCK
4
DFCT
3
FOK
2
TEOK
1
75 70 69 68 67 66 65 63 62 61 60 59 58 57 56 55 54 53 52 51
50 DVSS
DIPO
TEST2
MVC1
RAOF
EFMO
49
48
46
45
GFS 43
GTOP
42
RFCK
40
WDCK
39
DVDD 38
XBCK
37
MCLK 36
XTAI 35
XTAO 34
LRCK
33
BCK
32
C2PO
31
DTO 30
DTI
DIDT 28
DODT 27
DOVF 26
WFCK 41
XPLCK
44
74 73 72 71
AVSS ADRB ADRT AVDD BIA2 ADIO VC AUX FE ABCD BOTM PEAK FILO FILI PCO CLTV AVSS DVDD DIFO DIFI DICV RFI BIAS ASYI ASYO
DVSS
25
REC
ADER
23
FMCK
22
DOUT
20
SBIOT
SBODT
18
SBOCK
XRST
DQSY
15
SQSY
14
ADSY
13
SENS
12
SRDT
11
XLAT
10
SCLK
9
SWDT
8
DIRC
7
WRPWR
SSTOP
DVSS 100
COUT 99
OFTRK 98
XDCL 97
DCLI 96
DCLO 95
SPFD 94
SPRD 93
SFDR 92
SRDR 91
FS4 90
FRDR 89
DVDD 88
FFDR 87
TFDR 86
TRDR 85
LDDR 84
TS25 83
ADFG
TEST1 81
APC 80
MID 79
TENV 78
TE 77
SE 76
DIN
ANALOG MUX
34 MHz
PLL
A/D
CONVERTER
OP AMP
SERVO DSP
PWM GENERATOR
DIGITAL
CLV
PROCESSOR
OFTRK/DFCT/
FOK/C OUT/
SHCK/TEOK
PROCESSOR
SERVO
CONTROL
CPU I/F
SENS
CONTROL
SERVO AUTO
SEQUENCER
APC COMP./
FILTER
APC PWM
GENERATOR
DIN PLL
(22 MHz)
COMP
ECC
ENCODER/
DECODER
REGISTER
32K RAM
REGISTER
AUDIO
DATA
CONTROL
EFM
MODULATOR
TIMING
GENERATOR
EFM
DIGITAL PLL
EFM SYNC
DETECTOR/
PROTECTOR
TIMING GENERATOR
DIGITAL
AUDIO
IN/OUT
PEAK
DETECT
64
47
EFM
DEMODULATOR
CLOCK
GENERATOR
29
24 21 19
SUBCODE
P~W
PROCESSOR
17 16
ADIP
DEMODULATOR
ADIP
DECODER
6 5
82
TRACKING PWM
FOCUS PWM
SLED PWM
TRACKING SERVO
FOCUS SERVO
SLED SERVO
SUBCODE Q
READER/
GENERATOR
VC
VC
VC
VC
VC
VC VC
VC
36 7
VG VD
12
VD
16
VD
8
FO1
11
RO1
9
PGND
10
PGND
15
FO2
13
RO2
14
PGND
21
VD
25
VD
30
VD
29
FO3
26
RO3
27
PGND
28
PGND
22
FO4
24
RO4
23
PGND
2
VC
3
CLK
34
PS
6
FI1
5
RI1
33
OE
17
FI2
18
RI2
31
FI3
32
RI3
20
F/R4
19
PI4
4
GND
35
GND
1 G
VC
VC
CLOCK
DC/DC
CONVERTER
CLK
DETECTOR
DRIVER
PRE-DRIVER
CONTROL
DRIVER
PRE-DRIVER
CONTROL
DRIVER
PRE-DRIVER
CONTROL
DRIVER
PRE-DRIVER
CONTROL
IC300 MPC17A38ZVMEL