Sony DHC-MD313 / HCD-MD313 (serv.man2) Service Manual ▷ View online
– 78 –
•
BD (MD) BOARD IC316
M30610MC-116FP (MD SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Function
1,2
(JOG0, JOG1)
I
Encoder switch signal input terminal
Not used (fixed at “H”)
3,4
DAOUT1, DAOUT2
O
Not used (fixed at “L”)
5
SQSY
I
Subcode Q sync (SCOR) input from the CXD2652AR (IC121)
6
REMCON
I
Remote control signal input
7
EMP
O
De-emphasis control signal output to the AK4520 (IC201)
8
BYTE
I
External data bus line byte select signal input terminal
“L”:16bit “H”: 8bit (fixed at “L”)
9
CNVSS
I
Processor mode select signal input terminal (fixed at “L”)
10
XIN-T
I
Sub system clock input tarminal
Not used (fixed at “L”)
11
(XOUT-T)
O
Sub sytem clock output tarminal
Not used (fixed at “L”)
12
SYSTEM-RST
I
MD reset signal input from the M62016 (IC603)
13
XOUT
O
Main system clock signal output terminal
14
GND
—
Ground terminal
15
XIN
I
Main sytem clock signal input terminal
16
+3V
—
Power supply terminal (+3.3V)
17
NMI
—
Connecting to power supply
18
AMUTE
—
Not used (fixed at "L")
19
PWR-DWN
O
Power down detect signal output to the LA5620 (IC570)
20
DQSY
I
Digital in U-bit CD format subcode Q sync (SCOR) input from theCXD2652SAR (IC121)
21
STB
I
Stand-by signal input terminal
Not used (fixed at “L”)
22
DA-RST
I
D/A converter reset signal input terminal
Not used (fixed at “L”)
23
XINT
I
Interrupt status input from the CXD2652AR (IC121)
24
DA-EN
O
D/A converter enable signal output to the AK4520 (IC201)
25
AD-EN
O
A/D converter enable signal output to the AK4520 (IC201)
26
MEC-BUSY
O
Mecha-busy signal output to the master control (IC601)
27
FLCS
O
Display clear signal output terminal
Not used (fixed at “L”)
28
FLCLK
O
Display data clock signal output terminal
Not used (fixed at “L”)
29
—
Not used (fixed at “L”)
30
FLDATA
O
Display data signal output terminal
Not used (fixed at “L”)
31
TXD
O
MD control data signal output to the master control (IC601)
32
RXD
I
MD control data signal input to the master control (IC601)
33
CLK
I
MD control data clock signal input to the master control (IC601)
34
MAS-BUSY
I
Master-busy signal input from the master control (IC601)
35
SWDT
O
Writing data signal output to the CXD2652AR (IC121)
36
SRDT
I
Reading data signal input from the CXD2652AR (IC121)
37
SCLK
O
Serial clock signal output to the CXD2652AR (IC121)
38
XLAT
O
Serial latch signal output to the CXD2652AR (IC121)
39
O
Clock signal output terminal
Not used (fixed at “L”)
40
DIG-RST
O
Reset signal output enable signal output to the CXD2652AR (IC121)
41
SENS
I
Status (SENSE) input from the CXD2652AR (IC121)
42
SCTX
O
Recording data output enable signal output to the CXD2652AR (IC121)
43
XINT
O
Not used (fixed at “L”)
44
WRPWR
O
Laser power selection signal output to the CXD2652AR (IC121)
45
MNT3
I
Monitor 3 signal input from the CXD2652AR (IC121)
46
MNT2
I
Monitor 2 signal input from the CXD2652AR (IC121)
47
MNT1
I
Track jump detection signal input from the CXD2652AR (IC121)
48
MNTO
I
Focus OK signal input from the CXD2652AR (IC121)
49
LDON
O
Laser diode ON signal output terminal
– 79 –
Pin No.
Pin Name
I/O
Function
50
MOD
O
HF module ON signal output terminal
51
LDIN
O
MD loading-in signal output to LB1830M (IC153)
52
LDOUT
O
MD loading-out signal output to LAB1830M (IC153)
53
LD-LOW
O
Loading motor voltage control signal output to the loading motor driver
54
PROTECT
I
MD PROTECT switch (S683) detect signal input terminal
55
REFLECT
I
MD REFLECT switch (S682) detect signal input terminal
56
PACK-IN
I
Not used
57
PACK-OUT
I
MD PACK OUT switch (S686) detect signal input terminal
58
CHUCK-IN
I
MD CHUCKING IN switch (S685) detect signal input terminal
59
LIMIT-IN
I
MD LIMIT IN switch (S681) detect signal input terminal
60
REC. P
I
MD REC POSITION switch (S688) detect signal input terminal
61
PB. P
I
MD PB POSITION switch (S687) detect signal input terminal
62
+5V
—
Power supply (+5V)
63
—
Not used (fixed at “L”)
64
GND
—
Ground terminal
65 to 72
—
Connect terminal 65 to 72
Not used (fixed at “L”)
73 to 78
—
Not used (fixed at “L”)
79
SDA
I/O
Tow-way data bus for the EEPROM (IC171)
80
SCL
O
Clock signal output to the EEPROM (IC171)
81, 82
—
Not used (fixed at “L”)
83
POWER
—
Conenct terminal 83 to 85
Not used (fixed at “L”)
84, 85
—
86, 87
—
Not used (fixed at “L”)
88 to 90
—
Connect terminal 88 to 90
Not used (fixed at “L”)
91 to 93 KEY0, KEY1, KEY2
—
Connect terminal 91 to 93
Not used (fixed at “H”)
94
—
Not used (fixed at “L”)
95
SOURCE
—
Not used (fixed at “L”)
96
AVSS
—
Ground terminal
97
—
Not used (fixed at “L”)
98
VREF5V
—
Power supply (+5V)
99
3.3V
—
Power supply (+3.3V)
100
—
Not used (fixed at “L”)
– 80 –
•
MAIN BOARD (1/3) IC601
µPD78078GF-062-3BA (MASTER CONTROL)
Pin No.
Pin Name
I/O
Function
1 to 3
VER
I
Destination setting terminal
4
VER
I
Destination setting terminal
Not used (open)
5 to 7
(NC)
—
Not used
8
(NC)
—
Not used (open)
9
IC
—
Connecting to ground
10
X2
O
Main system clock output terminal (5 MHz)
11
X1
I
Main system clock input terminal (5 MHz)
12
VDD
—
Power supply terminal (+5V)
13
XT2
O
Sub system clock output terminal (32 kHz)
14
XT1
I
Sub system clock input terminal (32 kHz)
15
RESET
I
System reset signal input from the reset signal generator (IC602)
16
AU-BUS IN
I
AU-BUS signal input terminal
17
AU-BUS OUT
O
AU-BUS signal output terminal
18
ENC/A
I
Encorder volume signal A input from the master volume (S901)
19
ENC/B
I
Encoder volume signal B input from the master volume (S901)
20
RDS/CLK
I
RDS clock signal input from the RDS demodulator (IC1500)
21
RDS/DATA
I
RDS data signal input from the RDS demodulator (IC1500)
22
SCOR (BD)
I
Sub-code sync S0, S1 detect signal input from the digital signal processor (IC103)
23
AVDD
—
Power supply terminal (+5V) (for A/D converter)
24
AVREF0
—
Reference voltage input terminal (+5V) (for A/D converter)
25
KEY0
I
Key input terminal (A/D input) POWER key (S902) input
26
KEY1
I
Key input terminal (A/D input)
p (CD), ^ (CD), § (CD), p (MD), ^ (MD), § (MD) keys
(S903 to S908) input
27
KEY2
I
Key input terminal (A/D input) FUNCTION,
) + +, TUNER/BAND, = 0 –, r REC,
CD-MD SYNC, REPEAT STEREO/MONO, PLAY MODE TUNING MODE (S909 to S916) input
28 to 30
(NC)
—
Not used
31
O
Master-busy signal output to the MD system control (IC316)
32
MD-POWER
O
MD power on/off signal output to the MD power regulator (IC570)
33
AVSS
—
Ground terminal (for A/D converter)
34
POWER ON
I
System power on signal input terminal
35
MD OEM/REST
O
MD reset signal output terminal
36
AVREF1
I
Reference voltage input terminal (+5V) (for A/D converter)
37
I
MD control data signal input from the MD system control (IC316)
38
O
MD control data signal output to the MD system control (IC316)
39
MD-CLK
O
MD control data clock signal output to the MD system control (IC316)
40
VSS
—
Ground terminal
41
I
Mecha-busy signal input from the MD system control (IC316)
42
FL/DRIV DATA
O
Display data signal output to the fluorescent indicator drive (IC901)
43
FL/DRIV CLOCK
O
Display data clock signal output to the fluorescent indicator drive (IC901)
44
FL/DRIV CS
O
Display clear signal output to the fluorescent indicator drive (IC901) “L”: data output
45
FL/DRIVE RESET
O
Display reset signal output to the fluorescent indicator drive (IC901) “L”: reset
46
BD SUBQ
I
Sub-code Q data signal input from the CXD2507AQ (IC103)
47
(NC)
—
Not used (open)
48
BD SQCLK
O
Sub-code Q data reading clock signal output to the CXD2507AQ (IC103)
49
BD CLOCK
O
Serial data clock signal output to the CXD2507AQ (IC103)
RTS (TO MD. CTS)
MASTER BUSY
RXD (TO MD. TXD)
RXD
TXD (TO MD. RXD)
TXD
CTS (TO MD. RTS)
MECHA BUSY
– 81 –
Pin No.
Pin Name
I/O
Function
50
BD DATA
O
Serial data output to the CXD2507AQ (IC103)
51
XLT
O
Serial data latch pulse signal output to the CXD2507AQ (IC103)
52
PRGL (DF. LAT)
O
Serial data latch pulse signal output to the PCM1710U (IC104)
53
SENCE
I
Internal status (SENSE) signal input from the CXD2507AQ (IC103)
54
ADJ
I
Test mode input terminal
“H’: normal (fixed at “H” in this set)
55
IN-SW
I
Disc tray close complete signal input terminal
“L”: Completed
56
OUT-SW
I
Disc tray open complete signal input terminal
“L” Completed
57
LOAD-OUT
O
Disc tray loading out signal output to the motor driver (IC801)
58
LOAD-IN
O
Disc tray loading in signal output to the motor driver (IC801)
59
FOCUS-SW
O
Focus gain selection switch signal output terminal
“L”: normal
“H”: down
60
BD-REST
O
BD block reset signal output terminal
“L”: reset
61
CD-POWER
O
CD power on/off signal output to the CD power regulator (Q561, 562)
62
ST-POWER
O
ST power on/off signal output terminal
Not used (open)
63
D. IN. SELECT
O
Optical/CD select signal output terminal
“H”: optical
“L”: CD
64, 65
(NC)
—
Not used
66
LED-CD. DISC
O
CD INDICATOR LED (D908) drive signal output terminal
67
LED-MD. DISC
O
MD INDICATOR LED (D905) drive signal output terminal
68
LED-MD. REC
O
r LED (D904) drive signal output terminal
69
LED-CD. PAUSE
O
P (CD) LED (D907) drive signal output terminal
70
LED-CD. PLAY
O
( (CD) LED (D906) drive signal output terminal
71
VSS
—
Ground terminal
72
LED-MD. PAUSE
O
P (MD) LED (D903) drive signal output terminal
73
LED-MD. PLAY
O
( (MD) LED (D902) drive signal output terminal
74
DBFB
O
DBFB on/off signal output terminal
“L”: on
75
RECOUT. MUTE
O
Rec mute (tape) signal output terminal
“L”: mute
76
MUTE
O
Mute signal output terminal
77
ATT/6DB
O
Tape input level attenuate signal output terminal
78
SOUND/IC DATA
O
Graphic equalizer data signal output to the M62428FP (IC701)
79
SOUND/IC CLOCK
O
Graphic equalizer data clock signal output to the M62428FP (IC701)
80
SOUND/IC LAT
O
Graphic equalizer data latch pulse signal output to the M62428FP (IC701)
81
(GND)
—
Ground terminal
82
ST STEREO
I
Stereo detection signal input from the tuner
83
ST TUNED
I
Tuned detection signal input from the tuner
84
ST DATA-IN
I
Data signal input from the tuner
85
ST DATA-OUT
O
Data signal output to the tuner
86
ST CLOCK
O
Data transfer clock signal output to the tuner
87
ST CE
O
Chip enable signal output to the tuner
88
ST MUTE
O
Mute signal output to the tuner
89
FM/AM SELECT
O
FM/AM select signal output
Not used (open)
90
SIRCUS
I
Remote control signal input from the remote control receiver (IC902)
91
(EWS STBY OK)
—
Not used (open)
92
(EWS NOW)
—
Connecting to ground
93
FAN SPEED
O
Fan speed control signal output terminal
Not used (open)
94
FAN STOP
O
Fan on/off signal output terminal
Not used (open)
95 to 99
(NC)
—
Connecting to ground
100
AC-CUT
I
System reset signal input from the reset signal generator (IC602)
Click on the first or last page to see other DHC-MD313 / HCD-MD313 (serv.man2) service manuals if exist.