Sony MDS-JB930 Service Manual ▷ View online
57
Pin No.
Pin Name
I/O
Description
89
FRDR
O
Focus servo drive PWM signal (–) output to the BH6511FS (IC152)
90
FS4
O
Clock signal (176.4 kHz) output terminal (X’tal system) Not used (open)
91
SRDR
O
Sled servo drive PWM signal (–) output to the BH6511FS (IC152)
92
SFDR
O
Sled servo drive PWM signal (+) output to the BH6511FS (IC152)
93
SPRD
O
Spindle servo drive PWM signal (–) output to the BH6511FS (IC152)
94
SPFD
O
Spindle servo drive PWM signal (+) output to the BH6511FS (IC152)
95
FGIN
I (S)
96
TEST1
I
97
TEST2
I
98
TEST3
I
99
DVSS
—
Ground terminal (digital system)
100
EFMO
O
EFM signal output terminal when recording mode
* I (S) stands for schmitt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O.
Input terminal for the test (fixed at “L”)
58
•
MAIN BOARD IC800 M30624MG-208FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
JOG1
I
Jog dial pulse input from the rotary encoder (S713
≠ AMS ±) B phase input
2
JOG0
I
Jog dial pulse input from the rotary encoder (S713
≠ AMS ±) A phase input
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 CXD2656R (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 CONTROL A1 II
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 (10 MHz)
14
GND
—
Ground terminal
15
XIN
I
Main system clock input terminal (10 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 CXD2656R (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
KBCLKIN
I
Serial data transfer clock signal input from the key board
21
KBDTIN
I
Serial data input from the key board
22
NC
O
Not used (open)
23
XINT
I
Interrupt status input from the CXD2656R (IC121)
24 to 26
NC
O
Not used (open)
27
KBCLKOUT
O
Serial data transfer clock signal output to the key board
28 to 30
NC
O
Not used (open)
31
SWDT
O
Writing data output to the CXD2656R (IC121), A/D converter (IC100) and D/A converter
(IC200)
(IC200)
32
SRDT
I
Reading data input from the CXD2656R (IC121)
33
SCLK
O
Serial clock signal output to the CXD2656R (IC121), A/D converter (IC100) and D/A converter
(IC200)
(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
NC
O
Not used (open)
39
CLKO
O
Not used (open)
40
ADLATCH
O
Serial data latch pulse signal output to the A/D converter (IC100)
41
NC
I
Not used (fixed at “L”)
42
DVOL0
I
Jog dial pulse input from the rotary encoder (RV760 REC LEVEL) A phase input
43
DVOL1
I
Jog dial pulse input from the rotary encoder (RV760 REC LEVEL) B phase input
44, 45
NC
O
Not used (open)
46
NC
I
Not used (fixed at “H”)
59
Pin No.
Pin Name
I/O
Description
47
NC
O
Not used (open)
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
730/930
I
Setting terminal for the model (fixed at “H” in this set)
51
NC
I
Not used (fixed at “H”)
52
MNT2 (XBUSY)
I
Busy signal input from the CXD2656R (IC121)
53
DIG-RST
O
Reset signal output to the CXD2656R (IC121) and BH6511FS (IC152) “L”: reset
54
MNT1 (SHOCK)
I
Track jump detection signal input from the CXD2656R (IC121)
55
SENS
I
Internal status (SENSE) input from the CXD2656R (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
59
WR-PWR
O
Laser power select signal output to the CXD2656R (IC121) and HF module switch circuit
“L”: playback mode, “H”: recording mode
“L”: playback mode, “H”: recording mode
60
MNT3 (SLOCK)
I
Spindle servo lock status monitor signal input from the CXD2656R (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 CXD2656R (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 CXD2656R (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
Stop: “L”, Playback power: “H”,
Recording power:
69
MOD
O
70
XLATCH
O
Serial data latch pulse signal output to the CXD2656R (IC121)
71
NC
I
Not used (fixed at “L”)
72
REC/PB
I
Not used (fixed at “L”)
73
PACK-IN
I
Detection input from the disc detect switch Not used (fixed at “L”)
74
PB-P
I
Detection input from the playback position detect switch (S604) “L” active
75
CHACK IN
I
Detection input from the disc chucking-in detect switch “L”: chucking
Not used (fixed at “H”)
Not used (fixed at “H”)
76
PACK-OUT
I
Detection input from the loading-out detect switch (S602)
“L” at a load-out position, others: “H”
“L” at a load-out position, others: “H”
77
REC-P
I
Detection input from the recording position detect switch (S601) “L” active
2 sec
0.5 sec
60
Pin No.
Pin Name
I/O
Description
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 CONTROL A1 II
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 “L”: standby mode, “H”: power on
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 terminal Not used (pull down)
90
LED1
O
LED drive signal output terminal Not used (pull down)
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 (PITCH CONTROL key input)
94
KEY2
I
Key input terminal (A/D input) S721 to S724, S732 and S733 (DISPLAY/CHAR, SCROLL,
PLAY MODE, I/
PLAY MODE, I/
u, FILTER, TIME keys input)
95
KEY1
I
Key input terminal (A/D input) S711 to S714 and S716 (MENU/NO, YES, PUSH ENTER,
EJECT
EJECT
§ keys input)
96
AVSS
—
Ground terminal
97
KEY0
I
Key input terminal (A/D input) S701 to S706 (REC
r, 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
REC MODE switch (S746) input terminal “L”: MONO, “H”: STEREO
*1 Loading motor (M103) control
Mode
Terminal
LDIN (pin &•)
“L”
“H”
“L”
“H”
LDOUT (pin &ª)
“H”
“L”
“L”
“H”
LOADING
EJECT
BRAKE
RUN IDLE
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