Sony SLV-ED1ME / SLV-ED1PS / SLV-ED1SG / SLV-ED2SA / SLV-ED3AF / SLV-ED4ME / SLV-ED4PS / SLV-ED4SG / SLV-ED5ME / SLV-ED6ME / SLV-ED6PS / SLV-ED6SG / SLV-ED7FS / SLV-ED7MI / SLV-ED7MN / SLV-EZ1AZ / SLV-EZ4AZ / SLV-EZ7AS / SLV-EZ7NZ Service Manual ▷ View online
5-1
SECTION 5
INTERFACE, IC PIN FUNCTION DESCRIPTION
SLV-ED1/ED2/ED3/ED4/ED5/ED6/ED7/EZ1/EZ4/EZ7
TAPE
TAPE
PB •
REC •
Signal
Pin No.
I/O
STOP
F
F
REW
THREAD-
UNTHREAD-
PB
PAUSE
SLOW
×
2
CUE
REVIEW
REC
PAUSE
ING
ING
CAP QR
MA-323
O
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
*
2
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
IC161
(¢
DRM PG
MA-323
I
*
3
*
1
*
1
*
4
*
4
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
IC161
#ª
DRM FG
MA-323
I
*
3
*
6
*
6
*
4
*
4
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
IC161
#•
CAP FG
MA-323
I
H/L
*
5
*
5
*
4
*
4
*
5
H/L
*
5
*
5
*
5
*
5
*
5
H/L
IC161
$º
CAP VS
MA-323
O
*
7
*
7
*
7
*
7
*
7
*
8
*
7
*
7
*
8
*
8
*
8
*
8
*
7
IC161
@∞
DRM VS
MA-323
O
*
9
*
9
*
9
*
9
*
9
*
9
*
9
*
9
*
9
*
9
*
9
*
9
*
9
IC161
@§
STOP/
TAPE
TAPE
REC •
REC •
Signal
Pin No.
I/O
FF/
THREAD-
UNTHREAD-
PB
PAUSE
SLOW
×
2
CUE
REVIEW
REC
PAUSE
REW
ING
ING
RF SWP
MA-323
O
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
(SW30)
IC161
@¢
QVD
MA-323
OL
L
L
*
2
*
3
*
3
*
3
*
3
*
3L
L
IC161
@¶
C SYNC
MA-323
I
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
IC161
%¢
5-1.
SYSTEM CONTR
OL –
VIDEO BLOCK INTERF
A
CE (MA-323 BO
ARD IC161)
∗
1.
25 Hz pulse with 50% duty cycle. Synchronized with rotation of drum.
∗
2.
Normal PB “L”. V period “H” pulse when
×
1.
∗
3.
V period “H” pulse.
∗
4.
Composite Sync signal (positive polarity).
5-2.
SYSTEM CONTR
OL – SER
V
O
PERIPHERAL CIRCUIT INTERF
A
CE (MA-323 BO
ARD IC161)
∗
1.
25 Hz (P
AL), 30 Hz (NTSC) pulse.
∗
2.
Pulse at tape running.
∗
3.
“L” when drum rotation stop.
∗
4.
Unstable period pulse.
∗
5.
Pulse of period in proportion to tape speed.
∗
6.
300 Hz (P
AL), 360 Hz (NTSC) pulse.
∗
7.
Pulse at tape running.
∗
8.
Approx. 2 msec period “H” or “L” pulse.
∗
9.
Approx. 1.5 msec period “H” or “L” pulse.
5-2
CASSETTE
CASSETTE
TAPE
TAPE
PB •
REC •
Signal
Pin No.
I/O
EJECTED
LOADING
UNLOADING
THREAD-
UNTHREAD-
STOP
F
F
REW
PB
PAUSE
SLOW
×
2
CUE
REVIEW
REC
PAUSE
ING
ING
CAM
MA-323
O
Hi-Z
H
L
H
L
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
IC161
*£
MODE 1
MA-323
IH
L
L
*
1
*
1
H
HHHH
HHH
L
H
H
IC161
*¢
MODE 2
MA-323
IH
L
L
*
1
*
1
H
H
H
LL
LLL
L
L
L
IC161
*∞
MODE 3
MA-323
IL
L
L
*
1
*
1
H
LLLL
LLL
H
L
L
IC161
*§
MODE 4
MA-323
IL
H
H
*
1
*
1
L
H
H
LL
LLL
L
L
L
IC161
*¶
C IN REC PRF
MA-323
IH
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
IC161
%∞
T REEL FG
MA-323
I
H/L
H/L
H/L
H/L
H/L
H/L
*
3
*
3
*
3
H/L
*
3
*
3
*
3
*
3
*
3
H/L
IC161
*•
S REEL FG
MA-323
I
H/L
H/L
H/L
*
3
*
3
H/L
*
3
*
3
*
3
H/L
*
3
*
3
*
3
*
3
*
3
H/L
IC161
*ª
T/S LED
MA-323
O
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
IC161
&¢
(O.D)
CAP RVS
MA-323
I
L
H
L
H
/L
H
L
HH
HHH
L
H
H
IC161
(£
T SENS
MA-323
I
*
4
*
4
*
4
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
IC161
!™
S SENS
MA-323
I
*
4
*
4
*
4
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
IC161
!¡
5-3.
SYSTEM CONTR
OL – MECHANISM BLOCK INTERF
A
CE (MA-323 BO
ARD IC161)
∗
1.
Uncertainty
.
∗
2.
“L” when erasing protection tab is bent, “H” when not bent.
∗
3.
Pulse of period in proportion to reel rotating speed.
∗
4.
Approx. 2 msec period “H” pulse.
∗
5.
Pulse at tape running.
∗
6.
Normally “L”. 2 msec period “H” pulse when tape top or tape end is detected.
∗
7.
When transition to UNLOADING direction: L.
When transition to LOADING direction: H.
When CAM motor is stopped: Hi-Z.
5-3
5-4.
SYSTEM CONTR
OL – A
UDIO BLOCK INTERF
A
CE (MA-323 BO
ARD IC161)
STOP/
TAPE
TAPE
PB •
PB •
Signal
Pin No.
I/O
FF/
LOADING
UNLOADING
PB
PAUSE
SLOW
×
2
CUE
REVIEW
REC
PAUSE
REW
AU RF
MA-323
I
AF RF envelope signal input terminal for automatic tracking.
IC161
!¢
A MUTE
MA-323
O
Hi-Z
Hi-Z
Hi-Z
Hi-Z
H
H
H
H
H
L
L
IC161
&ª
(O.D)
AF REC P
MA-292
O
H
H
H
HHH
HH
H
L
H
IC161
^º
AF SWP
MA-292
O
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
IC161
@£
FULL ERS
MA-292
O
H
H
H
HHH
HH
H
L
H
IC161
(¡
(O.D)
AF REC
MA-323
O
L
L
L
LLL
LL
L
H
H
IC161
%ª
REC P
MA-323
O
L
L
L
LLL
LL
L
H
L
IC161
&∞
∗
1.
25 Hz (P
AL), 30 Hz (NTSC) 50% duty pulse approx. 5 msec delayed from RF SW P
.
5-4
5-5.
SER
V
O/SYSTEM/TIMER/TUNER CONTR
OL MICR
OPR
OCESSOR PIN FUNCTION (MA-292 BO
ARD IC160)
Pin No.
Pin Name
I/O
Function
1
SW1
O
TUNER System contlol-1
2
AN GND
–
Analog Ground
3
APC ERROR
I
APC ERROR V
oltage input
4
DMS UP
I
Click Shuttle fowared/reverse signal input (DMS models only)
5
FUNC. KEY2
I
Function Key
Analog voltage input
6
TU
AFT
I
AFT (Auto fine tuning signal input)
7
FUNC. KEY1
I
Function Key
Analog voltage input
8
POWER F
AIL
I
Power failure detect signal input
9
DMS DOWN
I
Click Shuttle fowared/reverse signal input (DMS models only)
10
DEST
I
Destination set
1
1
S SENS
I
Supply end sensor signal input
12
T
SENS
I
T
ake up end sensor signal input
13
VIDEO RF
I
V
ideo RF Envelop input
14
AU RF
I
Hifi
Audio Envelop input
15
AN 5V
–
Power supply
16
RESET
I
RESET signal input
17
3.58/4.43
O
NTSC color freq. judge signal
18
P
A
L
O
“H”: P
A
L
(V
ideo block control signal)
19
PB
O
“L”: Play-Back mode
20
SECAM ON
O
“L”: SECAM mode set
21
SW2
O
TUNER System control-2
22
VCC
–
Power supply
23
AF SWP
O
AF switching pulse output
24
RF SWP
O
RF switching pulse output
25
CAP
VS
O
Capstan error signal output
26
DRUM VS
O
Drum motor error signal output
27
QVD
O
Quasi VD pulse output
28
N.C.
–
Not used
29
H.
AMPSW
O
“H”:
A-DUB mode (CTL
Amp. Gain. Coutrol)
30
N.C.
–
Not used
31
CTL
(+)
I/O
CTL head signal Input/Output (rec mode)
32
CTL
(–)
I/O
CTL head signal Input/Output (rec mode)
33
VSS (SERVO)
–
G
round
34
CTL-AMP1
I
CTL
Amp. Coutrol (Gain set)
35
CTL-AMP2
I
CTL
Amp. Coutrol (Gain set)
36
CTL-AMP3
I
CTL
Amp. Coutrol (Gain set)
37
CTL-AMP
OUT
O
CTL
Amp. Output (For Check)
38
DRUM FG
I
Drum FG Schmitt amp. input
39
DRUM PG
I
Drum PG Schmitt amp. input
40
CAP
FG
I
Capstan FG Schmitt input
41
VCC (SER
VO)
–
Power
supply
42
VCC(OSD)
–
Power supply
43
CV IN
I
Composite V
ideo signal input
44
VREF
I
Reference bias and clamp bias power pin
45
CV OUT
O
Composite V
ideo signal output
46
N.C.
–
Not used
47
AFC LPF
I
AFC LPF pin
48
AFC OSC
I
AFC oscillator pin
49
VSS (OSD)
–
G
round
50
DOSC-IN
I
OSD dot clock oscillator (input)
Pin No.
Pin Name
I/O
Function
51
DOSC-OUT
O
OSD dot clock oscillator (output)
52
4FSC-OUT
O
OSD 4fsc oscillator terminal (output)
53
4FSC-IN
I
OSD 4fsc oscillator terminal (input)
54
CSYNC
I
Composite Sync signal input
55
REC PRF
I
Erasing protection tab. Cassette in detection
56
IIC DA
T
A
O
EEP
ROM, Hifi IC,
T
uner/Serial communication signal (IIC DA
T
A
)
57
IIC CLOCK
O
EEP
ROM, Hifi IC,
T
uner/Serial communication signal (IIC CLOCK)
58
DRUM QR
O
Drum motor step driving
59
AF REC
O
“H” output when Hifi audio REC
60
AF REC P
O
“L” output when Hifi audio REC pause
61
MESECAM DET
I
MESECAM mode detect signal input
62
SSB CLOCK (VIDEO)
O
V
ideo, V
ideo
Amp. Serial communication signal (CLOCK)
63
SSB DA
T
A
(VIDEO)
O
V
ideo, V
ideo
Amp. Serial communication signal (DA
T
A
)
64
BLUE BACK
O
OSD block control signal output
65
APC PWM
O
APC PWN signal
66
CAP
TRQ PWM
O
Capstan
TRQ PWN output
67
N.C.
–
Not used
68
TEST
I
Fixed to Ground
69
32kHz (IN)
I
T
imer Clock terminal (32kHz)
70
32kHz (OUT)
O
T
imer Clock terminal (32kHz)
71
VSS
–
G
round
72
10MHz (IN)
I
System clock terminal (10MHz)
73
10MHz (OUT)
O
System clock terminal (10MHz)
74
END LED
O
T
op/End LED ON/OFF control
75
REC P
O
“L” output when REC pause mode
76
IN
SEL
1
O
LINE-INPUT selection control signal-1
77
IN
SEL
2
O
LINE-INPUT selection control signal-2
78
OSD SEL
O
OSD X’
tal select signal (P
AL/NTSC_)
79
A
MUTE
O
“H”
Audio mute signal outout
80
WRITE CONT
O
EEPROM write timing control
81
EP
. LP
O
“H” : “LP/EP” mode
82
REMOCON
I
Remote control signal (SIRCS) input
83
CAM
O
CAM motor control
84
MODE 1
I
Mechanism section CAM encoder input (data1)
85
MODE 2
I
Mechanism section CAM encoder input (data2)
86
MODE 3
I
Mechanism section CAM encoder input (data3)
87
MODE 4
I
Mechanism section CAM encoder input (data4)
88
T
REEL
I
T
side reel FG input
89
S REEL
I
S
side reel FG input
90
FLD
CS
O
FIP driver chip select signal output
91
FUll ERASE
O
Full erase head on/of
f control signal
92
P
CONT
O
Power Supply control signal
93
CAP
R
V
S
O
Capstan reverse control signal H when Reverse
94
CAP
QR
O
Capstan step driving
95
S CLOCK 0
O
Serial communication signal (Serial clock)
96
S IN 0
I
Serial communication signal (Data input)
97
S
OUT
0
O
Serial communication signal (Data output)
98
PLL
CLOCK
O
TUNER PLL clock
99
TU
ENABLE
O
TUNER PLL signal chip select
100
PLL
DA
T
A
O
TUNER PLL data
Click on the first or last page to see other SLV-ED1ME / SLV-ED1PS / SLV-ED1SG / SLV-ED2SA / SLV-ED3AF / SLV-ED4ME / SLV-ED4PS / SLV-ED4SG / SLV-ED5ME / SLV-ED6ME / SLV-ED6PS / SLV-ED6SG / SLV-ED7FS / SLV-ED7MI / SLV-ED7MN / SLV-EZ1AZ / SLV-EZ4AZ / SLV-EZ7AS / SLV-EZ7NZ service manuals if exist.