Sony MDX-C800REC (serv.man2) Service Manual ▷ View online
29
29
Pin No.
Pin Name
I/O
Pin Description
59
MUTE
O
LINE level mute output
60
AMP ON
O
Power amplifier standby control output (to STNBY pin of power IC)
61
N.C.O
O
Not used in this set (Open)
62
FLASH WHT
I
Flash memory read mode detect input
63
VSS
—
Ground pin
64
RE IN0
I
Rotary encoder input 0
65
PWM
I
D/D converter oscillator frequency signal input
66
RE IN1
I
Rorary encoder input 1
67
MD BOOT
I
Flash write select input
68
N.C.O
O
Not used in this set (Open)
69
RAM BU
I
RAM reset detection input
70
II DATA
I/O
I2C BUS serial data input/output (SONY BUS interface to tuner, electron volume, RDS.)
71
II CLK
I/O
I2C BUS serial clock input/output (SONY BUS interface to tuner, electron volume, RDS.)
72
RC IN1
I
Shift input of rotary commander
73
X1A
I
Low speed oscillator connect pin (32,768 kHz)
74
X0A
O
75
SHIFT
O
D/D converter frequency change signal output
76
KEYACK
I
Key acknowledge input
77
BU IN
I
Backup voltage detection input
78
DAVN
I
Block synchronization detection input of RDS data
79
TEL ATT
I
Telephone (TEL) detection input
80
TEST IN
I
Test mode setting pin
81
DP BOOT
O
Display microcomputer frash write setting output
“L” is output when write of display microcomputer
82 – 84
N.C.O
O
Not used in this set (Open)
85
NS MASK
O
Noise mask output
86
HSTX
I
Hardware standby input (This set connect to RSTX.)
87
MD2
I
Input for operation mode (This set connect to VSS.)
88
MD1
I
Input for operation mode (This set connect to VCC.)
89
MD0
I
Input for operation mode (This set connect to VCC.)
90
RSTX
I
Reset input
91
VSS
—
Ground pin
92
X0
O
High speed oscillator connect pin (3.6864 MHz)
93
X1
I
94
VCC
—
+5 V power supply pin
95
N.C.O
O
Not used in this set (Open)
96
PARKING
I
Parking brake detection input “L”: packing condition
97
N.C.O
O
Not used in this set (Open)
98
SHIN
O
Not used in this set (Open)
99
N.C.O
O
Not used in this set (Open)
100
ILL IN
I
Illumination (ILL IN) detection input
101
NOSE SW
I
Front panel attachment detection input “L”: on, “H”: off
102
PACK IND
O
Door indicator output
103
PD
O
Codec power supply control output
104
SERVO-ON
I
Servo power supply control signal input from mechanism microcomputer “H”: on
105
ACC IN
I
Accessory power supply (ACC) detect input
106
SMUTE
O
Codec mute signal output “H”: mute
107 – 118
N.C.O
O
Not used in this set (Open)
119
VSS
—
Ground pin
120
LOW +B CHK
O
Low battery check output
• IC700 MB90574PMT-G-259-BND (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
TUN ON
O
Tuner power control output (TU +5.6 V)
2
SET UP
O
Not used in this set (Open)
3
FM ON
O
Not used in this set (Open)
4
AM ON
O
Not used in this set (Open)
5
N.C.O
O
Not used in this set (Open)
6
SYS RESET
O
SONY BUS system reset output (SONY BUS interface to CD, external control)
7
BUS ON
O
SONY BUS on control output (SONY BUS interface to CD, external control)
8
VCC
—
+5 V power supply pin
9
FLS PON
O
Flash drive power control output (ILL ON power supply)
“H” is output when flash read.
10
EEDATA
O
EEPROM data output
11
EECLK
O
EEPROM CLK output
12
DOOR SW/RXD
I
Door open/close detection input “L”: close, “H”: open
13
TXD
O
Serial data output
14
N.C.O
O
Not used in this set (Open)
15
BEEP
O
Beep output
16
AMP MUTE
O
Power amplifier mute output
17 – 19
N.C.O
O
Not used in this set (Open)
20
UNI SI
I
SONY BUS serial data input (SONY BUS interface to CD, external control)
21
UNI SO
O
SONY BUS serial data output (SONY BUS interface to CD, external control)
22
UNI CLK
I/O
SONY BUS serial clock input/output (SONY BUS interface to CD, external control)
23
N.C.O
O
Not used in this set (Open)
24
SIRCS
I
Remote commander (infrared rays reseiver) input
25 – 29
N.C.O
O
Not used in this set (Open)
30
SW SHIFT
O
Tuner switch shift output
31
N.C.O
O
Not used in this set (Open)
32
TUNER MUTE
O
Tuner mute control output (AM DET MUTE)
33
VSS
—
Ground pin
34
C
—
Capacitance connect pin of power supply stabilization
35
AD ON
O
Power supply control output for AD conversion
36
RDS ON
O
Power supply signal output to RDS (Not used in this set (Open))
37
N.C.O
O
Not used in this set (Open)
38
DVCC
—
D/A converter VRER pin
39
DVSS
—
D/A converter GND pin
40
POWER ON
O
System power supply control output “L”: off, “H”: on
41
N.C.O
O
Not used in this set (Open)
42
AVCC
—
Analog power supply pin
43
AVRH
I
A/D converter Vref (+) pin
44
AVRL
I
A/D converter Vref (–) pin
45
AVSS
—
Analog ground pin
46
KEY IN0
I
Key signal input 0 (A/D analog input)
47
KEY IN1
I
Key signal input 1 (A/D analog input)
48
DSTSEL0
I
Initial setting input of destination
49
RC IN0
I
Key input of rotary commander (A/D analog input)
50
QUALITY
I
Noise detection input (A/D analog input)
51
FM AGC
I
FM AGC detection input (A/D analog input)
52
MPT
I
Multipath detection input (A/D analog input)
53
VSM
I
Signal meter detection input (A/D analog input)
54
VCC
—
+5 V power supply pin
55, 56
N.C.O
O
Not used in this set (Open)
57
E-VOL MOTE
O
Electron volume mute output
58
N.C.O
O
Not used in this set (Open)
30
30
RF 3V
B/U 5V
9
55
6
5
38
37
36
62
63
35
64
12
13
DAL
R-CH
19
24
25
26
106
65
75
104
67
103
2
9
23
34
65
33
66
32
78
28
73
26
74
16
21
20
79
18
80
17
81
16
82
12
83
75
4
5
20
21
81
15
EE
92
93
11
16
78
20
14
45
46-49
29-39
43
6-11
14-19
2,3
22,23
44
41
42
12
11
9
8
4
3
2
1
22
21
15
13
2
28
1
97
4
3
75
88
19
18
14
89
86
15
85
4
93
3
94
29
92
30
91
16
10
100
6
2
7
4
8
1
11
10
8
27
25
6
5
ADL
R-CH
15
27
26
4
16
24
2
10
14
7
3
100
80
114
5
31
12
25
26
27
86
77
76
14
13
1
7
4
5
SOFT
START
Q440,441
RESET
IC563
3
DISPLAY
SECTION
SECTION
2
TUNER
SECTION
1
TUNER
SECTION
17
D/A
CONV.
A/D
CONV.
I/O
I/F
DAC/ADC
IC300
DSSP & DSP
IC400
RF AMP
IC440
LD
CONT
Q444
PEAK
HOLD
Q400
PULSE
SHAPE
SHAPE
IC403
OSC
IC301
LD
CONT
Q442
POWER
CONTRIL
Q443
SHIFT
CONTROL
Q826
ON/OFF
DRIVE
Q830
ON/OFF
DRIVE
Q827
POWER
CONT
Q828,829
3V
REG
IC802
POWER
CONT
Q831,832
MD12V
RXD
IC564
SW550-555
TXD
4
DISPLAY
SECTION
SECTION
UNICK
UNISO
UNISI
BUIN
BUS ON
BUS ON
SYSRES
BATT
SOFT
START
Q561,562
5V
BATT
POWER
CONT
Q825
ON/OFF
DRIVE
Q510,511
MOD
DRIVE
IC442
Q445-447
REC
DRIVE
IC510
REC
CONTROL
Q512
OVER-WRITE
HEAD
VCC
RI
OUT2
IN B
OUT1
INA
MD/REC ON
XDAC RST
XO
XI
CKO
SIO
CC XINT
DQSY
DQSY
SQSY
SENS
SENS
SRDT
MNT3
MNT2
MNT2
MNT1
MNT0
MNT0
DQSY
XINT
DADT
LRCK
XBCK
ADDT
OSCI
DIN
D0-D3
XWE
XRAS
XOE
XCAS
A00-A11
SQSY
SENS
SRDT
MNT3
MNT2
MNT2
MNT1
MNT0
MNT0
XLAT
SCLK
SWDT
MD LAT
SCLK
SCLK
SWDT
LDON
MOD
MOD
MD RST
SCTX
SCTX
OUT1
OUT2
FIN
RIN
WRPWR
EJECT
LOAD
RF ON
RAM BU
SDTI
LRCK
SCLK
SDTO
SMUTE
PD
DEMO
MCKI
SMUTE
PD
PWM
SHIFT
SERVO ON
MD BOOT
X300
22.5792MHz
X560
3.68MHz
A00-A11
D0-D3
WE
RAS
OE
CAS
MD ATT
SERVO 3V
SERVO 5V
REC 5V
SERVO ON
B/U 5V
14
A
F
C
B
C
B
J
D
A
A
1F
RF
FE
AUX
ADFG
SE
TE
FOCNT
XLAT
SCLK
SWDT
APCREF
1F
1R
1R
3F
3F
3R
3R
4F
4F
4R
2F
2R
4R
2F
2R
PSB
PEAK
BOTM
ABCD
RF
FE
AUX
ADFG
ADFG
SE
TE
TE
FOCONT
XLRF
XLRF
CKRF
DTRF
DTRF
FFDR
FRDR
TFDR
TRDR
SPRD
SPFD
SRDR
XRST
(SLOC)
(XBUSY)
(SHCK)
(XBUSY)
(SHCK)
(SFOK)
TX
SRECP
SFDR
EFMO
APCREF
PEAK
BOTM
ABCD
AUX2
E
I
I
APC
PD
D
C
I
J
F
E
B
OPTICAL PICK-UP
KMS-263A
LD
PD
FOCUS
TRACKING
65
DRAM
IC401
MD CONTROL
IC560
SCL
FLASH W
A-ATT
MDM
ON
FOPEN
SI
SO
CKI
HS TX
BU IN
BUS ON
LIMIT IN
PROTECT
REFLECT
DISC IN
PACK IN
REC P
PLAY P
RXD/DSPSI
TXD/DSPSO
SERVO
ON
DAL
EEPROM
IC402
104
105
1
106
112
110
118
117
113
116
115
120
101
102
103
Q300
SYSTEM CONTROL
IC700(1/3)
UNI
7
6
5
M503
(SPINDLE)
M501
(SLED)
OUT
IN
PICK-UP DRIVE
IC520
LOADING MOTOT DRIVE
IC521
M502
(LOADING)
SERVO 3V
3V
TO
5V
TO
5V
IC561
IC562
IC562
DC/DC CONV.CONT.
IC801
04
• Signal path
:MD PB
: MD REC
21
23
12
10
J800
(DIGITAL IN)
MDX-C800REC
3-2. BLOCK DIAGRAM — MD SECTION —
(Page 32)
(Page 31)
(Page 31)
(Page 32)
31
31
3-3. BLOCK DIAGRAM — TUNER SECTION —
MDX-C800REC
2
1
57
4
6
8
9
5
2
3
7
1
ADL
R-CH
R-CH
DAL
2
59
93
1
15
120
100
105
10
11
TUNER UNIT
TU1
9
13
12
4
79
96
40
7
18
17
70
71
51
30
30
10
11
11
3
5
13
15
12
20
21
18
24
23
30
28
29
27
26
32
16
60
92
53
10
11
14
19
8
11
15
22
4
X701
3.686MHz
73
74
X700
32.768kHz
1
MD
SECTION
5
DISPLAY
SECTION
SECTION
2
MD
SECTION
MUTE
Q1
MUTE
Q2
MUTE
Q103
MUTE
Q103
MUTE
CONT
Q703-705
TUNER
MUTE
Q3
POWER
CONT
Q651
BEEP
DRIVE
Q700
BATT
CHECK
IC703
5V REG
IC284
ACC
CHECK
Q701
POWER
CONT
Q823,824
REG
Q821
TEL
ATT
ATT
Q822
9
7
17
19
R-CH
MD ATT
SERVO ON
R-CH
R-CH
L
R
L
R
-5
-6
-1
-2
-3
-4
MUTE STBY
FRONT
AUDIO
OUT
L
R
BUS
AUDIO
IN
REAR
AUDIO
OUT
POWER AMP
IC104
CNP820
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR+
RR-
BATT
COM8V
BATT
BATT
AMP-R
ANT-R
ILL
PARKING
ACC
ATT
BU5V
13
14
7
15
5
6
16
12
11
10
9
1
2
4
3
R-CH
SEIL
SSL
SSR
FL
FR
RL
RR
SWL
MUTE
AMP MUTE
AMP ON
XO
XI
TU ON
BEEP
ILL
XOA
XIA
AGC
POWER ON
PARKING
TEL ATT
LOW+B
CHK
SEIR
SE 3L
SE 3R
MPX
MPIN
AMIF
AM
SDL
SCL
SM
EV MUTE
TU MUTE
VSM
FM
ANT
ANT
AM
ANT
ANT
MPX
AM IF
S-
METER
AM
DET
RDS
DAT
CKL
FM AGC
SW SHIFT
DATA
DATA
CLK
CLK
FM AGC
SW SHIFT
SW SHIFT
R-CH
R-CH
S/P SIG
MUTE
Q102
MUTE
Q102
BZ800
BATT
BATT
TU5V
TU8V
POWER SUPPLY
IC280
STB
AMP+B
ANT +B
COM8V
COM8V
BU5V
TU ON
TU ON
VCC
TU 5V
TU 8V
R-CH
J1
(ANTENNA)
COM8V
BU5V
D5V
S/P5V
ELECTRONIC VOLUME
IC102
SYSTEM CONTROL
IC700(2/3)
IIC
EEP
IIC
DAT
CKL
EEP
04
CNP101
CNP101
(Page 30)
(Page 32)
(Page 30)
32
32
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
MDX-C800REC
AN0
LINK OFF
SI
SCK
SO
BUS ON
BU IN
NMI
RES
RES
A OUT
SEL
A
C
B
ILL ON
BOOT
RX/
DOOR SW
TX/
LCD DATA
105
50
A IN
DIMMER
87
GREEN
84
AAMBER
85
17
8
PA0
24
97
14
PA1
25
101
10
PA2
26
98
11
PA3
27
EXTAL
FLS PON
RSTX
HSTX
BU IN
SYS RST
BUS ON
SI
SO
UNI
CLK
SIRCS
RAMBU
DP BOOT
DOOR SW/
RXD
RXD
TXD
RC IN1
RC IN0
KEY IN0
KEY IN1
AD ON
LSW900-911
921-930
921-930
KEY AVK
FLASH WHT
PACK IND
NOSE SW
86
XTAL
85
38
49
82
81
52
57
62
60
12
CEO
66
98
CLK
64
99
CEI
70
100
GREEN
85
RED
86
CEI 98
CL 99
DI
CEO
CL
DI
100
X650
18.432MHz
LED951-956
LSW900-911,
924-930
LOQUID CRYSTAL
DISPLAY
LCD900
DIMMER
CONT
Q950,952
LED921-923
LED
DRIVE
Q944,945
COLOR
SEL
Q942,943
9
81
12
13
72
49
46
47
35
76
62
RE IN0
64
102
101
13
6
10
5
6
8
7
4
2
3
1
12
77
86
90
7
8
20
9
21
11
2
3
1
6
4
22
24
69
BATT
CHECK
Q781
LOW
BATT
DET
SRAM
RESET
IC702
IR
RECEIVE
IC960
LED
DRIVE
Q833,834
RE IN1
66
ROTARY
ENCODER
RE900
KEY
ACTIVE
Q702
KEY IN
MATRIX
POWER
CONT
Q702
RESET
IC701
BUF
IC651
REG
Q835,836
BUFFER
Q782,783
MD SECTION
4
3
5
TUNER
SECTION
MD SECTION
TXD
RXD
LCD10V
S800
(RESET)
CN780
BUS INTERFACE
IC780
Q780
(BUS CONTROL IN)
SYS RST
BUS IN
BUS ON
UNI SI
UNI CK
UNI SO
Q784
BATT
BU5V
BATT
KEY
BOARD
S700
(NOSE SW)
LCD10V
BATT
SYSTEM CONTROL
IC700(3/3)
J700
(REMOTE IN)
TEST
TERMINAL
TXD
04
ACT+B
BU5V
LED800
FXD
BOOT
LCD10V
CN802
2
1
3
4
LCD DRIVE
IC980
SPECTRUM ANALYZER
IC652
DISPLAY CONTROL
IC650
LCD DRIVE
IC970
S/P SIG
LCD
UNI
(Page 31)
(Page 30)
(Page 30)
Click on the first or last page to see other MDX-C800REC (serv.man2) service manuals if exist.