DOWNLOAD Sony MDS-JA20ES Service Manual ↓ Size: 6.07 MB | Pages: 88 in PDF or view online for FREE

Model
MDS-JA20ES
Pages
88
Size
6.07 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
mds-ja20es.pdf
Date

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)
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)
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
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”
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
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
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
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)
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)
68
LIMIT-IN
I
Detection input from the sled limit-in detect switch (S101)                                                                
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
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
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
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)
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)
94
KEY2
I
Key input terminal (A/D input)    S722 to S726 (PLAY/MODE, REPEAT, SCROLL/CLOCK 
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, 
§ 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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