Sony SLV-E830B / SLV-E830NP / SLV-E830VC1 / SLV-E830VC2 Service Manual ▷ View online
5-1
5-1.
SYSTEM CONTR
OL —
VIDEO BLOCK INTERF
A
CE (MA-316 BO
ARD IC160)
*1
Sync
hr
oniz
ed with dr
um r
ota
tion. 25Hz 50% duty c
y
cle.
*2
Normally “L“. “H“ when CTL signal is not generated.
*3
V period “H“ pulse.
*4
Selected by REC mode. “H“ in LP mode.“
*5
Composite sync signal (positi
v
e).
Signal
RF SWP
QVD
V SYNC
NT JUDGE
Pin No.
1
4
^§
!£
I/O
O
O
I
O
ST
OP
FF/REW
*1
L
*4
L
T
APE
THREADING
*1
L
*5
L
T
APE
UNTHREADING
*1
L
*5
L
PB
*1
*2
*5
L
PB P
A
USE
*1
*3
*5
L
SLO
W
*1
*3
*5
L
CUE
*1
*3
*5
L
x 2
*1
*2
*5
L
REVIEW
*1
*3
*5
L
REC
*1
L
*5
L
REC P
A
USE
*1
L
*5
L
SECTION 5
INTERFACE, IC PIN FUNCTION DESCRIPTION
SLV-E830B/E830NP/E830VC1/E830VC2
5-2.
SYSTEM CONTR
OL — SER
V
O
PERIPHERAL CIRCUIT INTERF
A
CE (MA-316 BO
ARD IC160)
*1.
25Hz pulse.
*2.
Pulse at tape running.
*3.
Reverse logic pulse of STEP PLS.
*4.
“L” when drum rotation stops.
*5.
Unstable period pulse.
*6.
Pulse in period in proportional to tape speed.
*7.
300Hz pulse.
*8.
Pulse at tape running.
*9.
Approx. 2 msec period “H” or “L” pulse.
*10.
Approx. 1.5 msec period “H” or “L” pulse.
*11.
“L
” w
hen FWD SLO
W
,
“H” w
hen R
V
S SLO
W
.
Signal
REC CTL
CAP ST
OP
STEP PLS
PB CTL
DRM PG
DRM FG
CAP FG
CAP DA
DRM D
A
CTL RESET
Pin No.
7
#∞
(ª
^¶
^•
^ª
&º
&£
&¢
8
I/O
O
O (O.D)
O
I
I
I
I
O
O
I/O
ST
OP
Hi-Z
L
L
H
*4
*4
H/L
*8
*10
Hi-Z
FF
Hi-Z
Hi-Z (O.D)
L
*6
*1
*7
*6
*8
*10
Hi-Z
REW
Hi-Z
Hi-Z (O.D)
L
*6
*1
*7
*6
*8
*10
Hi-Z
T
APE
THREADING
Hi-Z
Hi-Z (O.D)
L
*5
*5
*5
*8
*10
Hi-Z
T
APE
UNTHREADING
Hi-Z
Hi-Z (O.D)
L
*5
*5
*5
*8
*10
Hi-Z
PB
Hi-Z
Hi-Z (O.D)
L
*1
*1
*7
*6
*9
*10
Hi-Z
PB P
A
USE
Hi-Z
L
L
H/L
*1
*7
H/L
*8
*10
Hi-Z
SLO
W
Hi-Z
*3
*2
*2
*1
*7
*2
*8
*10
*11
CUE
Hi-Z
Hi-Z (O.D)
L
*6
*1
*7
*6
*9
*10
Hi-Z
x 2
Hi-Z
Hi-Z (O.D)
L
*6
*1
*7
*6
*8
*10
Hi-Z
REVIEW
Hi-Z
Hi-Z (O.D)
L
*6
*1
*7
*6
*9
*10
Hi-Z
REC
*1
Hi-Z (O.D)
L
*1
*1
*7
*6
*9
*10
Hi-Z
REC P
A
USE
Hi-Z
Hi-Z (O.D)
L
H
*1
*7
H/L
*8
*10
Hi-Z
5-2
5-4.
SYSTEM CONTR
OL — SYSTEM CONTR
OL PERIPHERAL CIRCUIT INTERF
A
CE (MA-316 BO
ARD IC160)
Signal
ASURA
RESET
ASURA
CS
S IN 0
S OUT 0
S CLK
Pin No.
$º
$¢
$∞
$§
$¶
I/O
I
I
I
O
I
I/O Le
vel
Normally “H”, “L” when service interruption is detected or restored.
Chip select signal from timer micropr
ocessor
. V per
iod
“L
” pulse.
Serial comm
unica
tion da
ta from timer micropr
ocessor
.
V per
iod
“ L
”
pulse.
Serial comm
unica
tion da
ta to timer micropr
ocessor
.
V per
iod
“L
”
pulse.
Serial comm
unica
tion c
lock from timer micropr
ocessor
.
V per
iod
“L
” pulse.
5-5.
SYSTEM CONTR
OL — A
UDIO BLOCK INTERF
A
CE (MA-316 BO
ARD IC160)
*1.
25 Hz 50 % duty pulse approx. 5 msec dela
y
ed fr
om RF SW P
.
5-3.
SYSTEM CONTR
OL — MECHANISM INTERF
A
CE (MA-316 BO
ARD IC160)
*1.
Uncer
tainl
y.
*2.
“L” when erasing protection tab is bent. “H” when not bent.
*3.
P
ause of period in pr
oportion to r
eel r
ota
ting 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.
Signal
CAM2
MODE 1 (*8)
MODE 2 (*8)
MODE 3 (*8)
MODE 4 (*8)
(IN REC PRF)
T REEL FG
S REEL FG
T/E LED
CAP ST
OP
CAP R
V
S
T SENS
S SENS
Pin No.
9
@™
@¡
@º
!ª
!∞
^¢
^£
#™
#∞
&™
^¡
^™
I/O
HI-Z
I
I
I
I
I
I
I
O (O.D)
O (O.D)
O
I
I
EJECTED
L
H
H
L
L
H
H/L
H/L
*4
L
H
*4
*4
CASSETTE
LO
ADING
H
L
L
L
H
*2
H/L
H/L
*4
L
*4
*4
CASSETTE
UNLO
ADING
L
L
L
L
H
*2
H/L
H/L
*4
L
*4
*4
T
APE
THREADING
H
*1
*1
*1
*1
*2
H/L
*3
*4
H
L
*6
*6
T
APE
UNTHREADING
L
*1
*1
*1
*1
*2
H/L
*3
*4
H
H
*6
*6
ST
OP
*7
H
H
H
L
*2
H/L
H/L
*4
L
H/L
*6
*6
FF
*7
H
H
L
H
*2
*3
*3
*4
H
L
*6
*6
REW
*7
H
H
L
H
*2
*3
*3
*4
H
H
*6
*6
PB
*7
H
L
L
H
*2
*3
*3
*4
H
L
*6
*6
PB P
A
USE
*7
H
L
L
L
*2
H/L
H/L
*4
L
L
*6
*6
SLO
W
*7
H
L
L
L
*2
*3
*3
*4
*5
L/*5
*6
*6
x 2
*7
H
L
L
L
*2
*3
*3
*4
H
L
*6
*6
CUE
*7
H
L
L
L
*2
*3
*3
*4
H
L
*6
*6
REVIEW
*7
L
L
H
L
*2
*3
*3
*4
H
H
*6
*6
REC
*7
H
L
L
L
*2
*3
*3
*4
H
L
*6
*6
REC
PA
U
S
E
*7
H
L
L
L
*2
H/L
H/L
*4
L
L
*6
*6
*7.
When tr
ansition to UNLO
ADING direction :
“L
”.
When tr
ansition to LO
ADING direction :
“H”.
When CAM MO
T
OR is stopped : Hi-Z.
*8.
When R
V
S slo
w : Mode 1=”L”
When R
V
S slo
w : Mode 2=”L”
When R
V
S slo
w : Mode 3=”H”
When R
V
S slo
w : Mode 4=”L”
Signal
AF
ENV
A
MUTEN
AF REC P
AF
SWP
FULL ERS
Pin No.
%ª
#¡
2
`⁄‚‚
#§
I/O
I
O (O.D)
O
O
O (O.D)
ST
OP/FF/
REW
L
L
*1
H
T
APE
LO
ADING
L
L
*1
H
T
APE
UNLO
ADING
L
L
*1
H
PB
*1
L
*1
H
PB P
A
USE
H
L
*1
H
SLO
W
H
L
*1
H
x 2
H
L
*1
H
CUE
H
L
*1
H
REVIEW
H
L
*1
H
REC
L
H
*1
L
REC P
A
USE
L
L
*1
H
AF RF en
v
elope signal input ter
minal for automa
tic trac
king.
5-3
5-6. SERVO/SYSTEM CONTROL MICROPROCESSOR PIN FUNCTIONS
(MA-316 BOARD IC160)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Pin Name
RF SWP
AF REC P
N.C.
QVD
AUTO PRESET
FE ON
REC CTL
CTL RESET
CAM 2
N.C.
TA MUTE
SECAM DET
NT JUDGE
MESECAM DET
CIN (REC PRE)
AV CONT
C+ DET
SW1
MODE 4
MODE 3
MODE 2
MODE 1
POWER SAVE
CONT 1
POWER SAVE
C+
MOD CONT
SECAM ON
N.C.
SDA 0
N.C.
SCL 0
A MUTE
T/E LED
N.C.
N.C.
CAP STOP
FULL ERS
N.C.
N.C.
MP
ASURA RESET
VSS
XTAL
EXTAL
ASURA CS
S IN 0
S OUT 0
SCLK
N.C.
N.C.
N.C.
I/O
O
O
—
O
O
O
O
O
I
—
O
I
I
I
I
O
I
O
I
I
I
I
O
O
O
O
—
I/O
—
I/O
O
O
—
—
O
O
—
—
I
I
—
O
I
I
I
O
I
—
—
—
Function
RF switching pulse output.
“H” when HiFi audio REC.
Not used.
Quasi VD pulse output.
“H” during auto preset.
Flying erase ON/OFF
REC CTL signal output.
Capstan current control. “H” during
slow mode.
Cam motor control.
Not used.
Tuner audio mute. H: Mute
“H” when the SECAM signal is
detected.
4.43/3.58 judge input.
“H” when the MESECAM signal is
detected.
Erasing protection tab, cassette in
detection signal input.
TV/VTR.
CANAL + detection.
BG/L control signal.
Cam encoder signal input.
Cam encoder signal input.
Cam encoder signal input.
Cam encoder signal input.
–30V Power supply control.
C+ IC Power supply control.
Tuner modulation output control
signal.
SECAM control signal output.
Not used.
I
2
C data.
Not used.
I
2
C clock.
“H” when audio mute.
Tape top/end sensors driver.
Not used.
Not used.
Capstan stop signal output.
Full erase control.
Not used.
Not used.
Fixed to “L”.
System reset signal.
Ground.
System clock 16MHz.
System clock 16MHz.
Servo/system control microcomputer
chip select signal.
Serial communication signal.
Serial communication signal.
Serial communication signal.
Not used.
Not used.
Not used.
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Pin Name
SW2
AVSS
AVREF
AVDD
NTPB SW
AV ADJ
FOLLOW TV
GND
AF ENV
RF ENV
T SENS
S SENS
S REEL FG
T REEL FG
N.C.
CSYNC
PB CTL
DRM PG
DRM FG
CAP FG
SECAM MIX
CAP RVS
CAP DA
DRM DA
CTL REC
CTL STEP
REC COUNT
GND
DNR RESET
DATA (SSB)
CLOCK (SSB)
N.C.
N.C.
CAP TRQ PWM
N.C.
N.C.
N.C.
VSS
VDD
5V
N.C.
CTL HYS HIGH
N.C.
N.C.
N.C.
REC
N.C.
N.C.
STEP PLS
AF SWP
I/O
O
—
—
—
I
I
I
—
I
I
I
I
I
I
—
I
I
I
I
I
O
O
O
O
—
—
I
—
O
O
O
—
—
O
—
—
—
—
—
—
—
O
—
—
—
O
—
—
O
O
Function
BG/L’ control signal.
Unswitched ground.
AD port reference input UNSW 5V.
UNSW 5V.
NTSC playback switch.
Adjustment mode.
Synchro-TP detection signal.
Ground.
HiFi audio playback signal envelope.
Video playback signal envelope.
Take-up end sensor.
Supply end sensor.
Supply reel FG input.
Take-up reel FG input.
Not used.
Composite sync. signal input.
Playback CTL input.
Drum PG input.
Drum FG input.
Capstan FG input.
SECAM MIX control.
Capstan reverse control “H” when
reverse.
Capstan error D/A output.
Drum PG output.
Not used.
Not used.
Counter signal input when recording.
Ground.
DNR reset signal.
Serial communication data.
Serial communication clock.
Not used.
Not used.
PWM output for capstan torque
control.
Not used.
Not used.
Not used.
Ground.
5V.
5V.
Not used.
CTL amp gain control.
Not used.
Not used.
Not used.
“H” output when hifi audio recording.
Not used.
Not used.
Step pulse “H” when capstan step
driving.
AF switching pulse output.
5-4E
Pin No.
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Pin Name
OSD CLK
N.C.
N.C.
N.C.
N.C.
VDD
TEX
TX
VSS
AV LINK OUT
SIRCS OUT
N.C.
N.C.
N.C.
BUZZER
POWER FAIL
Not used
Not used
CGV
PDC DAV
Not used
AV LINK IN
Not used
Not used
A/D0
A/D1
A/D2
A/D3
A VSS
A VREF0
A VREF1
A VDD
A/D4
A/D5
A/D6
Not used
DMS1
DMS2
AFT
HDET
VDD
VDD
VSS
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
EEP MODE
0X-UCOM RST
I/O
O
—
—
—
—
—
I
O
—
O
O
—
—
—
O
I
—
—
I
I
—
I
—
—
I
I
I
I
—
—
—
—
I
I
—
—
I
I
I
I
—
—
—
—
—
—
—
—
—
—
—
O
O
Function
Serial clock input/output
Positive supply voltage
Internal oscillator 32kHz crystal
input
Internal oscillator output for 32kHz
crystal
Ground
AV LINK output
Remote control output
Buzzer output/clock crystal
frequency division output
Power voltage drop detection pin
Positive supply voltage
Positive supply voltage
Vertical synchro detection
VPS/PDC acknowledge signal
Positive supply voltage
AV LINK input
Positive supply voltage
Positive supply voltage
Key pad reading
Key pad reading
Key pad reading
Key pad reading
Ground
Positive supply voltage
Positive supply voltage
Positive supply voltage
Key pad reading
Key pad reading
Ground wave tuner AFT detection
HDET signal input
Positive supply voltage
Positive supply voltage
Ground
EEP mode control
X-UCOM reset signal
(IC902 ML board)
5-7. TUNER/TIMER MODE CONTROL PIN FUNCTIONS
(FR-128 BOARD IC180)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
Pin Name
TXT RST
N.C.
LANC IN
(SENSOR)
LANC OUT
(SENSOR)
N.C.
SIRCS IN
EEP DATA
EEP SCL
SDA
SCL
FDP CS
LED CS
X-UCOM CS
N.C.
VSS
TU ENABLE
PLL CLK
PLL DATA
OSD CS
N.C.
ASURA RESET
ASURA CS
POWER CONT
POWER CONT
N.C
OPTION 1
OPTION 2
N.C.
OPTION 3
N.C.
N.C.
Not used
Not used
Not used
SI (TO CME)
SO (FROM CME)
SCLK
N.C.
N.C.
RST
VSS
XTAL
EXTAL
VDD
N.C.
N.C.
OSD SO
(FROM CME)
I/O
O
—
I
O
—
I
I/O
I/O
I/O
I/O
O
O
O
—
—
O
O
O
O
—
O
O
O
O
—
O
I
—
—
—
—
—
—
—
I
O
I/O
—
—
I
—
O
I
—
—
—
O
Function
Teletext IC (ML Board IC950) reset
signal
Lanc input
Lanc output
Remote control input
I
2
C bus interface data input/output
I
2
C bus interface clock input/output
I
2
C bus interface data input/output
I
2
C bus interface clock input/output
FLD driver chip select
LED driver chip select
ML IC chip select(ML board IC902)
Ground
Tuner chip select
Tuner PLL clock
Tuner PLL data
OSD IC (MA-316 board IC660)
chip select
S/S micon (MA-316 board IC160)
reset signal
S/S micon (MA-316 board IC160)
chip select signal
Main power supply control signal
Secondary power supply control
signal
ML board IC950 enable signal
ML board IC950 busy signal
ML
Positive supply voltage
Positive supply voltage
Positive supply voltage
Serial data input
Serial data output
SCLK
System reset
Ground
Internal oscillator output for 20MHz
crystal
Internal oscillator 20MHz crystal
input
Positive supply voltage
Serial data output
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