Sony MDX-C800REC Service Manual ▷ View online
29
• IC650 HD64F2357F (DISPLAY CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1, 2
PG3, 4
O
Not used in this set (Open)
3
VSS
—
Ground pin
4
NC
—
Not used in this set (Open)
5
VCC
—
Power supply pin (+5 V)
6 – 9
PC0 – 3
O
Not used in this set (Open)
10
VSS
—
Ground pin
11 – 14
PC4 – 7
O
Not used in this set (Open)
15 – 18
PB0 – 3
O
Not used in this set (Open)
19
VSS
—
Ground pin
20 – 23
PB4 – 7
O
Not used in this set (Open)
24
PA0
O
Signal out select control output to the IC652 (BA3834F)
25
PA1
O
Signal out select control output to the IC652 (BA3834F)
26
PA2
O
Signal out select control output to the IC652 (BA3834F)
27
PA3
O
Signal out select control output to the IC652 (BA3834F)
28
VSS
—
Ground pin
29 – 32
PA4/IRQ4 – PA7/IRQ7
O
Not used in this set (Open)
33
SP LAT
I
Not used in this set (Open)
34
P66/IRQ2
I
Not used in this set (Open)
35, 36
VSS
—
Ground pin
37
P65/IRQ1
O
Not used in this set (Open)
38
BUS ON
I
SONY BUS on input “L”: Active
39
VCC
—
Power supply pin (+5 V)
40
CD/MD
O
Not used in this set (Open)
41 – 43
PE1 – 3
O
Not used in this set (Open)
44
VSS
—
Ground pin
45
TIR IND
O
Not used in this set (Open)
46, 47
PE 5, 6
O
Not used in this set (Open)
48
MD LOCK
O
Not used in this set (Open)
49
BU IN
I
Backup power supply detection input “H”: Back up
50
LINK OFF
O
Link off output
51
PD2
O
Not used in this set (Open)
52
ILL ON
O
Illumination power supply control output
53
VSS
—
Ground pin
54, 55
NCO
O
Not used in this set (Open)
56
PD6
O
Not used in this set (Open)
57
BOOT
I
Display microcomputer write control input
58
VCC
—
Power supply pin (+5 V)
59
NC
—
Not used in this set (Open)
60
TX/LCDDATA
O
LCD driver serial data output/Frash microcomputer write data output
61
SP SI
I
DSP serial data input
62
RX/DOOR SW
I
Flash microcomputer write data input/Door detection input
63
SP SCK
I
Not used in this set (Open)
64
LCD CLK
O
LCD driver serial clock output
65
VSS
—
Ground pin
66
LCD CEO
O
LCD chip enable signal output
67, 68
VSS
—
Ground pin
69
LCDINH
O
Not used in this set (Open)
70
LCDCE1
O
LCD chip enable signal output
71
P63
O
Not used in this set (Open)
72 – 78
P27 – 21
O
Not used in this set (Open)
79
FL W
O
Flash write control output
80
FWE (L)
O
Flash write enable input
30
Pin No.
Pin Name
I/O
Pin Description
81
RES
I
System reset input
82
NMI (H)
I
Non-maskable interruption input (Connect to pin rl (BU IN).)
83
STBY (H)
I
Hardware standby input “H”: Not used
84
VCC
—
Power supply pin (+5 V)
85
XTAL
O
Crystal oscillation output (18.432 MHz)
86
EXTAL
I
Crystal oscillation input (18.432 MHz)
87
VSS
—
Ground pin
88
PF7
O
Not used in this set (Open)
89
VCC
—
Power supply pin (+5 V)
90 – 96
PF6 – 0
O
Not used in this set (Open)
97
UNI-SO
O
SONY BUS system serial data output
98
UNI-SI
I
SONY BUS system serial data input
99, 100
VSS
—
Ground pin
101
UNI-SCK
I
SONY BUS system serial clock input
102
P53/ADTRG
O
Not used in this set (Open)
103
AVCC
—
Power supply pin (+5 V) of analog macro (D/A, A/D etc.)
104
VREF
—
A/D, D/A converter reference voltage pin (+5 V)
105
P40/AN0
I
Peak hold voltage detection input from the IC652 (BA3834F)
106 – 110
P41/AN0 – P45/AN5
I
Not used in this set (Connect to ground in this set)
111
P46/AN6/DA0
I
Not used in this set (Connect to ground in this set)
112
P47/AN7/DA1
I
Not used in this set (Connect to ground in this set)
113
AVSS
—
Ground pin
114
VSS
—
Ground pin
115 – 122
P17 – P10
O
Not used in this set (Open)
123 – 125
MD0 – 2 (H)
I
Operation mode setting input (Fixed at “H” in this set)
126 – 128
PG0 – 2
O
Not used in this set (Open)
31
31
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
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
Electronic volume mute output
58
N.C.O
O
Not used in this set (Open)
32
32
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
J800
(DIGITAL IN)
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
MDX-C800REC
3-2. BLOCK DIAGRAM — MD SECTION —
(Page 34)
(Page 33)
(Page 33)
(Page 34)
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