Sony MDX-CA790X Service Manual ▷ View online
17
MDX-CA790X
IC2
BH6519FS-E2
IC3
R1114N251D-TR-FA
IC6
BA6287F
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
VG
IN4R
IN4F
VM4
OUT4F
PGND4
OUT4R
VM34
OUT3R
PGND3
OUT3F
VM3
IN3F
IN3R
PSB
CAPA–
CAPA+
IN2R
IN2F
VM2
OUT2F
PGND2
OUT2R
VM12
OUT1R
PGND1
OUT1F
VM1
IN1F
IN1R
V
DD
CHARGE
PUMP.
OSC
INTERFACE
AMP
INTERFACE
AMP
AMP
INTERFACE
PREDRIVE
PREDRIVE
PREDRIVE
PREDRIVE
AMP
INTERFACE
AMP
AMP
AMP
V
DD
PSB
AMP
1
2
VDD
GND
CE
REGULATOR
CURRENT
LIMIT
3
VOUT
5
NC
4
1
2
3
4
OUT1
VM
VCC
FIN
8
7
6
5
GND
OUT2
VREF
RIN
CONTROL LOGIC
TSD
POWER
SAVE
DRIVER
DRIVER
18
MDX-CA790X
COMP
115
114
113
112 111 110 109
FGIN
116
TEST1
117
TEST2
118
TEST3
119
MTFLGR/TRK
120
FOK/FKS
SPFD
SPRD
SFDR
SRDR
FS4
VSC3
108
VDC3
107
CLTV
106
FILO
105
FILI
104
PCO
103
AVS1
102
RFI
101
BIAS
100
AVD1
99
ASYI
98
ASYO
97
DDOUT
94
DCHG
95
APC
96
DDIN
91
SE
93
AUX2
92
TE
86
87
88
89
90
ADIO
85 VC
84 AUX1
83 FE
82 ABCD
81 BOTM
80 PEAK
84 AUX1
83 FE
82 ABCD
81 BOTM
80 PEAK
77 TFDR
76 TRDR
75 LDDR
76 TRDR
75 LDDR
74 APCREF
AVD2
ADRT
ADRB
AVS2
73 DTRF
72 CKRF
72 CKRF
70 FOCNT
71 XLRF
69 VSIO2
68 VDIO2
68 VDIO2
67 ADFG
66 MVCI
65 FRDR
64 FFDR
64 FFDR
63 D3
62 D2
61 D0/FOK
62 D2
61 D0/FOK
79 VSC2
78 VDC2
78 VDC2
60
D1/GFS
59
DVSS
58
DVDD
57
XWE
56
XRAS
55
A09
54
XCAS
53
XOE
52
VSIO1
51
A11
50
A08
49
A07
48
A06
47
A05
46
A04
45
A10
44
A00
43
A01
42
A02
41
A03
37
LRCK
XBCK
39
FS256
40
VDIO1
38
35
XINT
36
DADT
33
MTFLGL
34
LRCK
31
VSC1
32
VDC1
29
30
28
27
26
25
24
23
20
21
22
19
18
17
16
15
8
4
VDC0
DAVSSR
VREFR
AOUTR
DAVDDR
DAVDDL
AOUTL
DAVSSL
VSIOSC
OSCO
OSCI
VDIOSC
DATAI
TST2
SQSY
XRST
14
SENS
13
SRDT
12
VSC0
11
XLAT
10
SCLK
9
SWDT
MNT3
7
MNT2
6
MNT1
5
MNT0
VREFL
3
VSIO3
2
VDIO3
1
GFS/SLD
4Mbit
D-RAM
ADIP
DECODER
EACH
BLOCK
SUBCODE
PROCESSOR
SPINDLE
SERVO
EFM/ACIRC DECODER
A/D
CONVERTER
PWM
GENERATOR
DIGITAL
SERVO
SIGNAL
PROCESSOR
MONITOR
CONTROL
TRK
PLL
LPF
OSC
DIGITAL
AUDIO
I/F
SHOCK
RESISTANT
MEMORY
CONTROL
ATRAC
ENCORDER/
DECODER
D/A CONVERTER
ANALOG
MUX
CPU I/F
SW
SW
SW
SW
EACH
BLOCK
AUTO
SEQUENCER
4
4
12
12
IC4
CXD2667R
MDX-CA790X
19
19
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL-
OUT-FL+
OUT-RL-
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR-
OUT-FR+
OUT-FR-
DIAG
ANT-REM
AMP-REM
SERVO3.3V
MECH6V
VP
B.UP+B
SDA
SCL
VP2
PGND3
SVR
IN-FL
IN-FR
BEEP
PGND2
VP1
STB
PGND1
RST
CRES
AUDIO8.3V
GND
PANEL+B
CBU
RR
VP
FR
I
2
C BUS
MUTE
FL
RL
14
12
8
10
MUTE
28
27
26
25
24
23
22
21
20
19
18
17
I
2
C BUS
LOGIC
16
15
VCO
FADER
(0 to –58,
– ∞dB)
FADER
(0 to –58,
– ∞dB)
FADER
(0 to –58,
– ∞dB)
FADER
(0 to –58,
– ∞dB)
EFFECT (OFF,6dB,
10dB,14dB)
EFFECT (OFF,6dB,
10dB,14dB)
BASS,TREBLE, MIDDLE
(–15dB to +15dB, 1dB STEP)
BASS,TREBLE, MIDDLE
(–15dB to +15dB, 1dB STEP)
VOLUME
(+23 to –79dB, – ∞dB
1dB STEP)
VOLUME
(+23 to –79dB, – ∞dB
1dB STEP)
INPUT GAIN
(0 to 15dB,1dB STEP)
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
INPUT GAIN
(0 to 15dB,1dB STEP)
MUTE
MUTE
6
7
8
9
10
11
12
3
4
5
2
1
D-GND
A-GND
FIL
BUS-
RCH
AN
BUS-
LCH
TU-
RCH
TU-
LCH
CD-
RCH
CD-
LCH
D1
D2 DS11
13
DS21
14
DS31
SDA
SCL
MUTE
SEL
ADJ
VCC
OUT-
RL
OUT-
RR
OUT-
FL
OUT-
FR
DS32
DS22
DS12
VCC
VCC/2
ON
OFF
ON
OFF
TONE
PASS
PASS
TONE
PASS
PASS
– MAIN Board –
IC90
SAA6588T/V2-518
IC120
BD3802F-FE2
IC300
TDA8588AJ/N1
IC400
BA8271F-E2
SCOUT
MRO
MPTH
TCON
OSCO
OSCI
VSSD
VDDD
DAVN
SDA
VREF
MPX
VSSA
VDDA
AFIN
MAD
PSWN
SCL
2
1
6
15
11
13
16
14
12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR
MULTI
PATH
DETECTOR
57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17
18
CIN
19
LVIN
20
8
7
DATA
CLOCK
DATA
CLOCK
4
4
5
9
10
3
4
5
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
BUS RESET
BUS DATA
VREF
BUS CLK
GND
BUS ON IN
BUS ON OUT
RESET
RESET
SWITCH
MDX-CA790X
20
20
F
C
B
D
A
E
I
J
J
I
B
A
C
D
E
F
DETECTOR
J
I
A
B
C
D
D
E
F
LD
PD
LASER DIODE
ILCC
MON
OPTICAL PICK-UP BLOCK
(KMS-242E)
AUTOMATIC
POWER CONTROL
Q1
APC
PD
APCREF
AT
AMP
B.P.F.
WBL
ADFM
ADIN
ADFG
ABCD
AMP
ABCD
FE
TE
SE
F0CNT
WBL
3T
EQ
COMMAND
SWDT
SCLK
XLAT
DTRF
CKRF
XLRF
RFO
RF AGC
& EQ
AGCI
EQ
RF
RF AMP,
FOCUS/TRACKING ERROR AMP
IC1
TEMP
MORFO
MORFI
3T
WBL
AUX
AUX
PEAK
BOTM
ABCD
FE
TE
SE
PEAK
BOTM
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC2
OUT4F
OUT4R
M901
(SPINDLE)
OUT2F
OUT2R
M902
(SLED)
OUT1F
OUT1R
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
IN4R
IN4F
IN2F
IN2R
IN1F
IN1R
IN3F
IN3R
SPFD
SPRD
APCREF
FOK/FCS
FE
TE
SE
PEAK
BOTM
AUX
ABCD
FE
TE
SE
PEAK
BOTM
AUX
ABCD
SFDR
SRDR
FRDR
FFDR
TFDR
TRDR
PSB
PWM GENERATOR
FROM CPU
INTERFACE
MD DSP
IC4 (2/2)
XLRF
CKRF
DTRF
XLRF
CKRF
DTRF
MD DSP
IC4 (1/2)
SWDT
SCLK
XLAT
SWDT
SCLK
MNT2
MD-RST
SQ_SY
CC-XINT
SENS
SRDT
EJECT
LOAD
RIN
FIN
OUT1
OUT2
LOADING
MOTOR DRIVE
IC6
M903
(LOADING)
MD MECHANISM CONTROLLER
IC7 (1/2)
MECH_ATT
• SIGNAL PATH
: MD PLAY
11
9
8
4
1
2
48
47
46
40
33
38
37
36
32
35
34
26
28
18
17
16
20
12
30
29
5
6
7
10
LD/PD
AMP
I-V
AMP
I-V
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF AMP
B.P.F.
PEAK &
BOTTOM
6
8
112
111
120
64
REF_
LEVEL
LEVEL
41
65
77
76
72
71
74
83 92 91 80 81 84 82
73
27
25
21
23
12
10
14
15
19
18
29
30
3
4
16
M
M
M
DIGITAL SERVO
SIGNAL
PROCESS
ANALOG MUX
A/D CONVERTER
SERIAL/PARALLEL
CONVERTER,
DECODER
AUTO
SEQUENCER
V-I
CONVERTER
PEAK HOLD
Q2
52
46
16
95
18
X1
81
94
X0
80
19
98
17
B
A
84
FOK
100
85
5
4
1
7
6
M
MD-LAT
ATT
7
53
88
87
SERVO
3.3V
X2
18.43MHz
CHUCKING
DETECT
(LIMIT)
LIMIT_IN
LOAD_END
DISC-IN
LOADING
DETECT
VREF
REFERENCE VOLTAGE
REGULATOR
Q3
LO_6V
PLL
FILTER
105
104
107
106
FILI
PCO
CLTV
FILO
98
99
102
ASYO
ASYI
RFI
67
ADFG
SPINDLE
SERVO
F0CNT
114 113
SPFD
SPRD
SPFD
SPRD
SUBCODE
PROCESSOR
D/A
CONVERTER
LPF
ADIP
DECODER
AOUTL
L-CH
(PAGE 21)
(PAGE 21)
AOUTR
R-CH
OSC
OSCI
OSCO
CPU
INTERFACE
MONITOR
CONTROL
CONTROL
4Mbit
D-RAM
16
SQSY
35
XINT
15
14
9 10 11
XRST
SENS
13
SRDT
SENS
SRDT
SWDT
SCLK
XLAT
SENS
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
41 – 51, 55
D0 – D3
A00 – A11
60 – 63
53
57
56
54
XOE
XWE
XRAS
XCAS
XWE
XRAS
XCAS
70
20
21
COMPA-
RATOR
EFM/ACIRC DECODER
SHOCK RESISTANT
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
28
25
DADT
36
FS256
39
XBCK
38
LRCK
37
5 6 7 8
X1
22.57MHz
ON : When a disc loading start
and a disc eject completion
and a disc eject completion
ON : When completion
of a disc loading
of a disc loading
• R-ch is omitted due to same as L-ch.
5-1.
BLOCK DIAGRAM – SERVO Section –
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