Sony SLV-ED100ME / SLV-ED100MI / SLV-ED100ML / SLV-EZ2000S / SLV-EZ2000Y / SLV-K990PS / SLV-KH9ME / SLV-KH9PS Service Manual ▷ View online
5-1
SECTION 5
INTERFACE, IC PIN FUNCTION DESCRIPTION
SLV-ED100/EZ2000/K990/KH9
TAPE
TAPE
PB •
REC •
Signal
Pin No.
I/O
STOP
FF
REW
THREAD-
UNTHREAD-
PB
PAUSE
SLOW
×
2
CUE
REVIEW
REC
PAUSE
ING
ING
DRUM PG
MA-361
I
*
2
*
1
*
1
*
3
*
3
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
IC003
<z/m
DRUM FG
MA-361
I
*
2
*
5
*
5
*
3
*
3
*
5
*
5
*
5
*
5
*
5
*
5
*
5
*
5
IC003
<z/,
CTL FG
MA-361
IH
/L
*
4
*
4
*
3
*
3
*
4H
/L
*
6
*
4
*
4
*
4
*
4H
/L
IC003
8
CAP PWM
MA-361
O
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
IC003
<z/z
DRUM PWM
MA-361
O
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
IC003
<z/x
STOP/
TAPE
TAPE
PB •
REC •
Signal
Pin No.
I/O
FF/
THREAD-
UNTHREAD-
PB
PAUSE
SLOW
×
2
CUE
REVIEW
REC
PAUSE
REW
ING
ING
RF SWP
MA-361
O
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
IC003
<z//
QVD
MA-361
OL
L
L
*
2
*
3
*
3
*
3
*
3
*
3L
L
IC003
<zz/
C SYNC
MA-361
I
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
IC003
ok
C KILLER DET
MA-361
I
*
5
*
5
*
5
*
5
*
5
*
5
*
5
*
5
*
5
*
5
*
5
IC003
of
PAL
MA-361
I
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
IC003
i;
MESECAM DET
MA-361
I
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
IC003
oj
RF ENV
MA-361
I
Video RF envelope signal input for auto tracking.
IC003
qs
5-1.
SYSTEM CONTR
OL –
VIDEO BLOCK INTERF
A
CE (MA-361 BO
ARD IC003)
∗
1.
25 Hz pulse (P
AL) or 30 Hz pulse (NTSC) 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-361 BO
ARD IC003)
∗
5.
“H” when detect color
.
∗
6.
“H” when P
A
L
signal.
∗
7.
“H” when MESECAM signal.
∗
1.
25 Hz (P
AL), 30 Hz (NTSC) pulse.
∗
2.
“L” when drum rotation stop.
∗
3.
Unstable period pulse.
∗
4.
Pulse of period in proportion to tape speed.
∗
5.
300 Hz (P
AL), 360 Hz (NTSC) pulse.
∗
6.
Pulse at tape running.
∗
7.
Pulse at drum rotation.
5-2
CASSETTE
CASSETTE
TAPE
TAPE
PB •
REC •
Signal
Pin No.
I/O
EJECTED
LOADING
UNLOADING
THREAD-
UNTHREAD-
STOP
FF
REW
PB
PAUSE
SLOW
×
2
CUE
REVIEW
REC
PAUSE
ING
ING
CAM
MA-361
O
Hi-Z
H
L
H
L
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
*
7
IC003
ug
MODE 1
MA-361
IH
L
L
*
1
*
1
HHHH
HHH
H
L
HH
IC003
wf
MODE 2
MA-361
IH
L
L
*
1
*
1
HHH
L
L
L
L
L
L
L
L
IC003
wg
MODE 3
MA-361
IL
L
L
*
1
*
1
H
LLL
LLLL
H
L
L
IC003
wh
MODE 4
MA-361
IL
H
H
*
1
*
1
L
H
H
L
LLLL
L
L
L
IC003
wj
REC PROOF
MA-361
IH
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
*
2
IC003
oh
T REEL
MA-361
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
IC003
e;
S REEL
MA-361
I
H/L
H/L
H/L
*
3
*
3
H/L
*
3
*
3
*
3
H/L
*
3
*
3
*
3
*
3
*
3
H/L
IC003
wl
END LED
MA-361
O
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
4
IC003
od
CAP RVS
MA-361
O
L
H
L
H/L
H
L
H
H
H/
*
5H
H
L
H
H
IC003
ya
T SENS
MA-361
I
*
4
*
4
*
4
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
IC003
qg
S SENS
MA-361
I
*
4
*
4
*
4
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
*
6
IC003
qa
5-3.
SYSTEM CONTR
OL – MECHANISM INTERF
A
CE (MA-361 BO
ARD IC003)
∗
1.
Uncer
tainly
.
∗
2.
“L
” when er
asing protection tab is bent,
“H”
when not bent.
∗
3.
Pulse of per
iod in propor
tion to reel rotating speed.
∗
4.
Appro
x
. 2 msec per
iod “H”
pulse
.
∗
5.
P
ause at tape r
unning.
∗
6.
Nor
mally
“L
”.
2 msec per
iod
“H”
pulse when tape top or tape end is detected.
∗
7.
When tr
ansition to UNLO
ADING direction:
L.
When tr
ansition to LO
ADING direction:
H.
When CAM motor is stopped: Hi-Z.
∗
8.
When R
VS slo
w
: mode 1;
L.
When R
VS slo
w
: mode 2;
L.
When R
VS slo
w
: mode 3;
H.
When R
VS slo
w
: mode 4;
L.
5-3
Signal
Pin No.
I/O
I/O Le
vel
RESET_
MA-361
I
Normally “H”, “L” when service interruption is detected or restored
IC003
yh
S DATA
MA-361
O
Serial communication data to OSD, LCD, LED. V period “L” pulse
IC003
ts
S CLK
MA-361
O
Serial communication clock to OSD, LCD, LED. V period “L” pulse
IC003
td
IIC DATA1
MA-361
O
IIC data to HiFi, Video, MPX, Tuner and E
2
PROM IC.
IC003
rl
IIC CLK1
MA-361
O
IIC clock to HiFi, Video, MPX, Tuner and E
2
PROM IC.
IC003
t;
5-4.
SYSTEM CONTR
OL – SYSTEM CONTR
OL PERIPHERAL CIRCUIT INTERF
A
CE (MA-361 BO
ARD IC003)
5-5.
SYSTEM CONTR
OL – Hi-Fi A
UDIO BLOCK INTERF
A
CE (MA-361 BO
ARD IC003)
STOP/
TAPE
TAPE
PB •
PB •
Signal
Pin No.
I/O
FF/
LOADING
UNLOADING
PB
PAUSE
SLOW
×
2
CUE
REVIEW
REC
PAUSE
REW
AF ENV
MA-361
I
AF RF envelope signal input terminal for automatic tracking.
IC003
qf
A MUTE
MA-361
OL
L
L
*
1
HHH
HH
L
L
IC003
id
AF REC P
MA-361
O
L
L
L
L
LLLLL
H
L
IC003
ig
AF SWP
MA-361
O
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
IC003
ol
FULL ERASE
MA-361
O
L
L
L
L
LLLLL
H
L
IC003
og
∗
1.
25 Hz (P
AL), 30 Hz (NTSC) 50% duty pulse appro
x.
5 msec dela
y
ed from RF SW P
.
5-4
5-6.
SER
V
O/SYSTEM/TIMER/TUNER/MODE CONTR
OL PIN FUNCTION (MA-361 BO
ARD IC003)
Pin No.
Pin Name
I/O
Function
1
CTL (+)
I/O
CTL head signal input/output (REC mode)
2
SVSS
–
SER
VO GND
3
CTL (–)
I/O
CTL head signal input/output (REC mode)
4
CTL BIAS
O
CTL amp
. control signal output (gain set)
5
CTL FB
O
CTL amp
. control signal output (gain set)
6
CTL AMP
I
CTL amp
. control signal input (gain set)
7
CTL SMT
O
CTL amp
. control signal output (gain set)
8
CAP FG
I
Capstan FG schmitt input
9
SVCC
I
P
o
w
er supply uns
witch 5V
10
A
VCC
I
P
o
w
er supply A/D tr
ansf
or
mation 5V
11
S SENS
I
Supply end sensor signal input
12
RF ENV
I
V
ideo playbac
k signal en
velope
13
APC ERR
OR
I
APC error v
o
ltage signal input
14
AF ENV
I
H
iFi audio pla
ybac
k signal en
velope
15
T SENS
I
T
ak
e up end sensor signal input
16
LEVEL METER R
I
A
udio analog v
o
ltage le
ve
l input (R)
17
LEVEL METER L
I
A
udio analog v
o
ltage le
ve
l input (L)
18
MIC CONT/DET
I
“MIC control s
w
itch, voltage le
vel input (K990/KH9)”
19
FUNC KEY 1
I
Function k
e
y analog v
o
ltage signal input
20
AFT
I
A
uto fine tuning signal input (EXCEPT KH9)
21
ECHO LEVEL
I
Echo v
o
lume analog v
o
ltage le
vel input
22
FUNC KEY 2
I
Function k
e
y analog v
o
ltage signal input
23
A
VSS
–
A
/D tr
ansf
or
mation GND
24
MODE 1
I
Mechanism section CAM encoder data 1 input
25
MODE 2
I
Mechanism section CAM encoder data 2 input
26
MODE 3
I
Mechanism section CAM encoder data 3 input
27
MODE 4
I
Mechanism section CAM encoder data 4 input
28
SCORE H
I
KARA
OKE SCORE control (K990/KH9)
29
S REEL
I
S
side reel FG input
30
T REEL
I
T
side reel FG input
31
AMS
I
KARA
OKE pla
ybac
k sound blank detect input (K990/KH9)
32
MUSIC DET
I
Sound voltage le
ve
l input (f
or SCORE function) (K990/KH9)
33
MIC DET
I
“MIC v
o
ltage le
vel input (f
or ASSIST
, SCORE function) (K990/KH9)”
34
AF
REC
O
“H” : output when HiFi audio REC
35
SR MUTE
O
“H”
:
surround mute signal output
36
S/P D
A
T
A
2
O
S/P conver
tor data output2
37
N.C
.
–
Non connect
38
CAP
TQR
O
Capstan
TQR signal output
39
APC PWM
O
APC PWM signal output
40
BG
*
SAP DET
I
“H”
:
P
AL tuner mode BG (K990/ED100)
41
ETR 1/KR CONT 1
I
Easy timer/KARA
OKE k
e
y knob pulse-1 signal input
42
BUZZER
O
Buzz
er output
43
VSS
–
G
round
44
DMS 2
I
Click shuttle f
o
rw
ard/re
verse signal input
45
VCC
–
P
o
w
e
r supply uns
witch 5V
46
TRDT
I
Ser
ial data input from KARA
OKE DSP (K990/KH9)
47
R
V
DT
O
Ser
ial data input to KARA
OKE DSP (K990/KH9)
48
SCK
O
Ser
ial cloc
k input to KARA
OKE DSP (K990/KH9)
49
IIC D
A
T
A
1
O
“EEP ROM, HiFi IC
, tuner/serial communication data signal output”
50
IIC CLK 1
O
“EEP ROM, HiFi IC
, tuner/serial communication cloc
k signal output”
Pin No.
Pin Name
I/O
Function
51
N.C
.
–
Non connect
52
S DA
T
A
O
Ser
ial data output
53
S CLK
O
Ser
ial cloc
k output
54
SCORE L
I
KARA
OKE SCORE control (K990/KH9)
55
DMS 1
I
Click shuttle f
o
rw
ard/re
verse signal input
56
PO
WER F
A
IL
I
P
o
w
er f
a
ilure detect signal input
57
WC_
O
EEP ROM wr
ite control signal output (EXCEPT KH9)
58
SYS RESET
O
System reset signal output
59
DR
UM QR
O
D
rum motor step dr
iving signal output
60
SIRCS IN
I
Remote control signal input
61
CAP R
V
S
O
Capstan re
verse control signal
“H”
:
when re
verse
62
N.C
.
–
Non connect
63
N.C
.
–
Non connect
64
X2
O
T
imer cloc
k ter
m
inal (32kHz) output (EXCEPT KH9)
65
X1
I
T
imer cloc
k ter
m
inal (32kHz) input (EXCEPT KH9)
66
RESET_
I
Reset signal input
67
OSC1
I
System cloc
k ter
m
inal (10MHz) input
68
VSS
–
G
round
69
OSC2
O
System cloc
k ter
m
inal (10MHz) output
70
VCC
–
P
o
w
e
r supply uns
witch 5V
71
MD0
–
Mode control
72
OSD CS_
O
Character gener
ator chip select signal
73
VIR.
SURR
2
I
Surround k
e
y knob pulse-2 signal input
74
STEREO DET
*
I/DK
I
“H”
:
P
AL tuner mode I (K990/ED100)
75
CAM
O
CAM motor control
76
LED CS_
O
LED dr
iv
er control chip select
77
A
O
O
LCD module control signal output
78
PO
WER CONT
O
P
o
w
er supply control signal
79
KR ON
O
“H”
in KARA
OKE mode ON
80
P
A
L
O
“H”
P
AL (video b
loc
k control signal output)
81
LCD CS
O
LED module control chip select
82
VCC
–
P
o
w
e
r supply uns
witch 5V
83
A MUTE
O
“H”
:
audio mute signal output
84
VSS
–
G
round
85
AF REC P
O
“L
” :
output when HiFi audio REC pause
86
PLL ENABLE
O
T
uner PLL chip select signal output (EXCEPT KH9)
87
PLL D
A
T
A
O
T
uner PLL data select signal output (EXCEPT KH9)
88
PLL CLOCK
O
T
uner PLL cloc
k select signal output (EXCEPT KH9)
89
S/P D
A
T
A
1
O
S/P conv
e
rt
er data output1
90
VIR.
SURR
1
I
Surround k
e
y knob pulse-1 signal input
91
ETR 2/KR CONT 2
I
Easy timer/KARA
OKE k
e
y knob pulse-2 signal input
92
SD_
O
“L
” :
in SELF DUET mode
93
END LED
O
T
op/end LED on/off control signal output
94
C KILLER DET
I
“H”
:
color
95
FULL ERASE
O
Full er
ase head on/off control signal output
96
REC PR
OOF
I
E
rasing protection tab
. cassette in detection signal input
97
MESECAM DET
O
“H”
:
MESECAM (video b
loc
k
control signal output) (EXCEPT KH9)
98
C SYNC
I
Composite sync signal input
99
AF SWP
O
AF s
w
itching pulse signal output
100
RF SWP
O
RF s
w
itching pulse signal output
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