Sony MDS-JA20ES Service Manual ▷ View online
– 83 –
Pin No.
Pin Name
I/O
Function
40
AVDDL
—
Power supply terminal (+5V) (for L-ch side D/A converter section, analog system)
Not used (open)
Not used (open)
41
L1
O
L-ch PLM signal 1 output terminal Not used (open)
42
VDD2
—
Power supply terminal (+5V) (for L-ch side D/A converter section, digital system)
Not used (open)
Not used (open)
43, 44
VDD1
—
Power supply terminal (+5V) (for A/D converter section, digital system)
45
VSS1
—
Ground terminal (for A/D converter section, digital system)
46
TEST2
I
Input terminal for the test (fixed at “L”)
47
TEST3
I
Input terminal for the test (fixed at “L”)
48
VSS1
—
Ground terminal (for A/D converter section, digital system)
49
NU
—
Not used (open)
50
NU
—
Not used (open)
51
AVSS
—
Ground terminal (for A/D converter section, analog system)
52
LVDD
—
Power supply terminal (+5V) (for A/D converter section, buffer system)
53
LVSS
—
Ground terminal (for A/D converter section, buffer system)
54
REFO
O
Reference voltage (+3.3V) output terminal (for A/D converter section)
55
INLM
I
L-ch analog signal (+) input terminal
56
INLP
I
L-ch analog signal (–) input terminal
– 84 –
•
AU BOARD IC800 M30610MCA-260FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Function
1
JOG1
I
JOG dial pulse input from the rotary encoder (S713
≠ AMS ±)
2
JOG0
I
JOG dial pulse input from the rotary encoder (S713
≠ AMS ±)
3
C1
O
Monitor output terminal for the test C1 error rate is output when test mode
4
ADER
O
Monitor output terminal for the test ADER is output when test mode
5
SQSY
I
Subcode Q sync (SCOR) input from the CXD2654R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
“L” is input every 13.3 msec Almost all, “H” is input
6
RMC
I
Remote control signal input from the remote control receiver (IC761)
7
AIN1
I
Sircs remote control signal input of the S-LINK CONTROL A1
8
BYTE
I
External data bus line byte selection signal input “L”: 16 bit, “H”: 8 bit (fixed at “L”)
9
CNVSS
—
Ground terminal
10
XT-IN
I
Sub system clock input terminal (32.768 kHz)
11
XT-OUT
O
Sub system clock output terminal (32.768 kHz)
12
S.RST
I
System reset signal input from the LA5632 (IC700) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
13
XOUT
O
Main system clock output terminal (7 MHz)
14
GND
—
Ground terminal
15
XIN
I
Main system clock input terminal (7 MHz)
16
+3.3V
—
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal (fixed at “H” in this set)
18
DQSY
I
Digital In U-bit CD format subcode Q sync (SCOR) input from the CXD2654R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
“L” is input every 13.3 msec Almost all, “H” is input
19
P.DOWN
I
Power down detection signal input terminal “L”: power down, normally: “H”
20
XINT
I
Interrupt status input from the CXD2654R (IC121)
21
DVOL1
I
JOG dial pulse input from the rotary encoder (S740 DIGITAL REC LEVEL)
22
DVOL0
I
JOG dial pulse input from the rotary encoder (S740 DIGITAL REC LEVEL)
23 to 30
NC
I
Not used (fixed at “L”)
31
SWDT
O
Writing data output to the CXD2654R (IC121) and D/A converter (IC200)
32
SRDT
I
Reading data input from the CXD2654R (IC121)
33
SCLK
O
Serial clock signal output to the CXD2654R (IC121) and D/A converter (IC200)
34
FLCS
O
Chip select signal output to the FL/LED driver (IC771)
35
FLDATA
O
Serial data output to the FL/LED driver (IC771)
36
NC
I
Not used (fixed at “L”)
37
FLCLK
O
Serial data transfer clock signal output to the FL/LED driver (IC771)
38 to 47
NC
I
Not used (fixed at “L”)
48
CSET0
I
Destination setting terminal (US, Canadian models: fixed at “L”, AEP, UK models: fixed at “H”)
49
CSET1
I
Destination setting terminal (US, Canadian models: fixed at “H”, AEP, UK models: fixed at “L”)
50
20/X720
I
Setting terminal of the loading control system select (fixed at “H” in this set)
51
NC
I
Not used (fixed at “L”)
52
MNT2 (XBUSY)
I
Busy signal input from the CXD2654R (IC121)
53
DIG-RST
O
Reset signal output to the CXD2654R (IC121) and BH6511FS (IC152) “L”: reset
54
MNT1 (SHOCK)
I
Track jump detection signal input from the CXD2654R (IC121)
55
SENS
I
Internal status (SENSE) input from the CXD2654R (IC121)
56
LDON
O
Laser diode on/off control signal output to the automatic power control circuit “H”: laser on
57
REFLECT
I
Detection input from the disc reflection rate detect switch (S102)
“L”: high reflection rate disc, “H”: low reflection rate disc
“L”: high reflection rate disc, “H”: low reflection rate disc
58
PROTECT
I
Rec-proof claw detect input from the protect detect switch (S102) “H”: write protect
– 85 –
Pin No.
Pin Name
I/O
Function
59
WR-PWR
O
Laser power select signal output to the CXD2654R (IC121) and HF module switch circuit
“H”: recording mode, “L”: playback mode
“H”: recording mode, “L”: playback mode
60
MNT3 (SLOCK)
I
Spindle servo lock status monitor signal input from the CXD2654R (IC121)
61
SDA
I/O
Two-way data bus with the EEPROM (IC171)
62
+3.3V
—
Power supply terminal (+3.3V)
63
NC
I
Not used (fixed at “L”)
64
GND
—
Ground terminal
65
SCTX
O
Recording data output enable signal output to the CXD2654R (IC121) and overwrite head
driver (IC181) Writing data transmission timing output (Also serves as the magnetic head on/off
output)
driver (IC181) Writing data transmission timing output (Also serves as the magnetic head on/off
output)
66
SCL
O
Clock signal output to the EEPROM (IC171)
67
MNT0 (FOK)
I
Focus OK signal input from the CXD2654R (IC121)
“H” is input when focus is on (“L”: NG)
“H” is input when focus is on (“L”: NG)
68
LIMIT-IN
I
Detection input from the sled limit-in detect switch (S101)
The optical pick-up is inner position when “L”
The optical pick-up is inner position when “L”
Laser modulation select signal output to the HF module switch circuit
Playback power: “H”, Stop: “L”,
Recording power:
69
MOD
O
70
XLATCH
O
Serial data latch pulse signal output to the CXD2654R (IC121)
71
REC/PB
I
Not used (fixed at “L”)
72
TECONT
I
Not used (fixed at “L”)
73
XTSL
I
Not used (fixed at “L”)
74
OPEN
I
Detection input from the tray open detect switch (S10) “L”: tray open
75
PLAY1
I
Detection input from the disc chucking-in detect switch (S11) “L” active
76
REC
I
Detection input from the recording position detect switch (S12) “L” active
77
PLAY2
I
Detection input from the play position detect switch (S13) “L” active
78
LDIN
O
Motor control signal output to the loading motor driver (IC400) “L” active *1
79
LDOUT
O
Motor control signal output to the loading motor driver (IC400) “L” active *1
80
LD-LOW
O
Loading motor drive voltage control signal output for the loading motor driver (IC400)
“H” active
“H” active
81
NC
I
Not used (fixed at “L”)
82
A1OUT
O
Sircs remote control signal output of the S-LINK CONTROL A1
83
MUTE
O
Audio line muting on/off control signal output terminal “L”: line muting on
84
STB
O
Strobe signal output to the power supply circuit “H”: power on, “L”: standby mode
2 sec
0.5 sec
*1 Loading motor (M10) control
Mode
Terminal
LDIN (pin &•)
“L”
“H”
“L”
“H”
LDOUT (pin &ª)
“H”
“L”
“L”
“H”
LOADING
EJECT
BRAKE
RUN IDLE
– 86 –
Pin No.
Pin Name
I/O
Function
85
COAX/XOPT
O
Optical in 1/2 or coaxial in selection signal output to the digital input selector (IC300)
“L”: OPT 1/2, “H”: COAXIAL
“L”: OPT 1/2, “H”: COAXIAL
86
OPT2/XOPT1
O
Optical in 1 or optical in 2 selection signal output to the digital input selector (IC300)
“L”: OPT 1, “H”: OPT 2
“L”: OPT 1, “H”: OPT 2
87
DALATCH
O
Serial data latch pulse signal output to the D/A converter (IC200)
88
DARST
O
Reset signal output to the A/D converter (IC100) and D/A converter (IC200) “L”: reset
89
LED0
O
LED drive signal output of the
P (PAUSE) LED (D754) “L”: LED on
90
LED1
O
LED drive signal output of the
r REC LED (D755) “L”: LED on
91
TIMER
I
TIMER switch (S751) input terminal (A/D input)
“L”: PLAY, “H”: REC (OFF: center voltage)
“L”: PLAY, “H”: REC (OFF: center voltage)
92
SOURCE
I
INPUT switch (S741) input terminal (A/D input)
93
KEY3
I
Key input terminal (A/D input) S731 to S734 (TIME, FADER, FILTER, MEGA CONTROL
keys input)
keys input)
94
KEY2
I
Key input terminal (A/D input) S722 to S726 (PLAY/MODE, REPEAT, SCROLL/CLOCK
SET, DISPLAY/CHAR, I/
SET, DISPLAY/CHAR, I/
u keys input)
95
KEY1
I
Key input terminal (A/D input) S711 to S714 and S716 (MENU/NO, YES, PUSH ENTER,
CLEAR,
CLEAR,
§ OPEN/CLOSE keys input)
96
AVSS
—
Ground terminal
97
KEY0
I
Key input terminal (A/D input) S701 to S706 (
r REC, p, ), 0, P, ( keys input)
98
VREF
I
Reference voltage (+3.3V) input terminal (for A/D converter)
99
+3.3V
—
Power supply terminal (+3.3V) (for analog system )
100
MONO/ST
I
Recording mode switch input terminal “L”: mono, “H”: stereo Not used (fixed at “H”)
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