Sony DHC-MD313 / HCD-MD313 Service Manual ▷ View online
– 76 –
Pin No.
Pin Name
I/O
Function
40
DVSS
—
Ground terminal (digital system)
41
XOE
O
Output enable signal output to the external D-RAM (IC124)
42
XCAS
O
Column address strobe signal output to the external D-RAM (IC124)
43
A09
O
Address signal output to the external D-RAM (IC124)
44
XRAS
O
Row address strobe signal output to the external D-RAM (IC124)
45
XWE
O
Write enable signal output to the external D-RAM (IC124)
46
D1
I/O
47
D0
I/O
Two-way data bus for the external D-RAM (IC124)
48
D2
I/O
49
D3
I/O
50
MVCI
I
Digital in PLL oscillation input from the external VCO
Not used (fixed at “L”)
51
ASYO
O
Playback EFM full-swing output
52
ASYI
I (A)
Playback EFM asymmetry comparator voltage input
53
AVDD
—
Power supply terminal (+3.3V) (analog system)
54
BIAS
I (A)
Playback EFM asymmetry circuit constant current input
55
RFI
I (A)
Playback EFM RF signal input from the CXA2523AR (IC101)
56
AVSS
—
Ground terminal (analog system)
57
PDO
O (3)
Phase comparison output for clock playback analog PLL of the playback EFM
Not used (open)
58
PCO
O (3)
Phase comparison output for master clock of the recording/playback EFM master PLL
59
FILI
I (A)
Filter input for master clock of the recording/playback master PLL
60
FILO
O (A)
Filter output for master clock of the recording/playback master PLL
61
CLTV
I (A)
Internal VCO control voltage input of the recording/playback master PLL
62
PEAK
I (A)
Light amount signal (RF/ABCD) peak hold input from the CXA2523AR (IC101)
63
BOTM
I (A)
Light amount signal (RF/ABCD) bottom hold input from the CXA2523AR (IC101)
64
ABCD
I (A)
Light amount signal (ABCD) input from the CXA2523AR (IC101)
65
FE
I (A)
Focus error signal input from the CXA2523AR (IC101)
66
AUX1
I (A)
Auxiliary signal (I3 signal/temperature signal) input from the CXA2523AR (IC101)
67
VC
I (A)
Middle point voltage (+1.65V) input from the CXA2523AR (IC101)
68
ADIO
O (A)
Monitor output of the A/D converter input signal
Not used (open)
69
AVDD
—
Power supply terminal (+3.3V) (analog system)
70
ADRT
I (A)
A/D converter operational range upper limit voltage input terminal (fixed at “H” in this set)
71
ADRB
I (A)
A/D converter operational range lower limit voltage input terminal (fixed at “L” in this set)
72
AVSS
—
Ground terminal (analog system)
73
SE
I (A)
Sled error signal input from the CXA2523AR (IC101)
74
TE
I (A)
Tracking error signal input from the CXA2523AR (IC101)
75
AUX2
I (A)
Auxiliary signal input terminal Not used (fixed at “H”)
76
DCHG
I (A)
Connected to the +3.3V power supply
77
APC
I (A)
Error signal input for the laser automatic power control Not used (fixed at “L”)
78
ADFG
I
ADIP duplex FM signal (22.05 kHz ± 1 kHz) input from the CXA2523AR (IC101)
79
F0CNT
O
Filter f0 control signal output to the CXA2523AR (IC101)
80
XLRF
O
Serial latch signal output to the CXA2523AR (IC101)
81
CKRF
O
Serial clock signal output to the CXA2523AR (IC101)
82
DTRF
O
Writing data output to the CXA2523AR (IC101)
* I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O.
– 77 –
Pin No.
Pin Name
I/O
Function
83
APCREF
O
Control signal output to the reference voltage generator circuit for the laser automatic power control
84
LDDR
O
PWM signal output for the laser automatic power control
Not used (open)
85
TRDR
O
Tracking servo drive PWM signal (–) output to the BH6511FS (IC152)
86
TFDR
O
Tracking servo drive PWM signal (+) output to the BH6511FS (IC152)
87
DVDD
—
Power supply terminal (+3.3V) (digital system)
88
FFDR
O
Focus servo drive PWM signal (+) output to the BH6511FS (IC152)
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
96
TEST1
I
Input terminal for the test (fixed at “L”)
97
TEST2
I
98
TEST3
I
99
DVSS
—
Ground terminal (digital system)
100
EFMO
O
EFM signal output terminal when recording mode
– 78 –
•
BD (MD) BOARD IC316
M30610MC-109FP (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
I
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”)
Click on the first or last page to see other DHC-MD313 / HCD-MD313 service manuals if exist.