Sony SLV-SE85B / SLV-SE85NP / SLV-SE85UX / SLV-SE85VC / SLV-SF90B / SLV-SF90EX / SLV-SF90NP / SLV-SF90UX / SLV-SF90VC / SLV-SF99B / SLV-SF99EN / SLV-SF99NP / SLV-SF99UX / SLV-SF99VC Service Manual ▷ View online
5-2
5-4. SYSTEM CONTROL — SYSTEM CONTROL PERIPHERAL CIRCUIT INTERFACE (MA-359 BOARD 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 Level
Normally “H”, “L” when service interruption is detected or restored.
Chip select signal from timer microprocessor. V period “L” pulse.
Serial communication data from timer microprocessor. V period “ L” pulse.
Serial communication data to timer microprocessor. V period “L” pulse.
Serial communication clock with timer microprocessor. V period “L” pulse.
5-5. SYSTEM CONTROL — AUDIO BLOCK INTERFACE (MA-359 BOARD IC160)
*1. 30 Hz 50 % duty pulse approx. 5 msec delayed from RF SW P.
*1. Uncertainly.
*2. “L” when erasing protection tab is bent. “H” when not bent.
*3. Pause 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.
*2. “L” when erasing protection tab is bent. “H” when not bent.
*3. Pause 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.
Signal
CAM2
MODE 1 (*8)
MODE 2 (*8)
MODE 3 (*8)
MODE 4 (*8)
CIN (REC PRF)
T REEL FG
S REEL FG
T/E LED
CAP STOP
CAP RVS
T SENS
S SENS
Pin No.
9
@¡
@º
!ª
!•
!∞
&¶
&§
#™
#£
#º
^¡
^™
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
LOADING
H
L
L
L
H
*2
H/L
H/L
*4
L
*4
*4
CASSETTE
UNLOADING
L
L
L
L
H
*2
H/L
H/L
*4
L
*4
*4
TAPE
THREADING
H
*1
*1
*1
*1
*2
H/L
*3
*4
H
L
*6
*6
TAPE
UNTHREADING
L
*1
*1
*1
*1
*2
H/L
*3
*4
H
H
*6
*6
STOP
*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 PAUSE
*7
H
L
L
L
*2
H/L
H/L
*4
L
L
*6
*6
SLOW
*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
PAUSE
*7
H
L
L
L
*2
H/L
H/L
*4
L
L
*6
*6
*7. When transition to UNLOADING direction : “L”.
When transition to LOADING direction : “H”.
When CAM MOTOR is stopped : Hi-Z.
When CAM MOTOR is stopped : Hi-Z.
*8. When RVS slow : Mode 1=”L”
When RVS slow : Mode 2=”L”
When RVS slow : Mode 3=”H”
When RVS slow : Mode 4=”L”
When RVS slow : Mode 3=”H”
When RVS slow : Mode 4=”L”
Signal
AF ENV
A MUTE
AF REC P
AF SWP
FULL ERS
Pin No.
%ª
#¡
2
`⁄‚‚
#¢
I/O
I
O (O.D)
O
O
O (O.D)
STOP/FF/
REW
L
L
*1
H
TAPE
LOADING
L
L
*1
H
TAPE
UNLOADING
L
L
*1
H
PB
*1
L
*1
H
PB PAUSE
H
L
*1
H
SLOW
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 PAUSE
L
L
*1
H
AF RF envelope signal input terminal for automatic tracking.
5-3. SYSTEM CONTROL — MECHANISM INTERFACE (MA-359 BOARD IC160)
5-3
5-6. SERVO/SYSTEM CONTROL MICROPROCESSOR PIN FUNCTIONS
(MA-359 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
SW1
N.C
CAM 2
N.C
TA MUTE
SECAM DET
N.C
SECAM MIX
CIN (REC PRF)
AV CONT
SECAM ON
MODE 4
MODE 3
MODE 2
MODE 1
ENV SW
S IN 0
S OUT 0
S CLK
ASURA CS
SRVO
CAP TRQ PWM
C + DET
CAP RVS
A MUTE
T/E LED
CAP STOP
FULL ERS
N.C
SDA 0
N.C
SCL 0
MP
ASURA RESET
V SS
XTAL
EXTAL
N.C
DRM PG
DRM FG
CAP FG
DNR RST
FRONT SEL
I CONT
I/O
O
O
O
O
O
O
O
I
O
I
I
I
O
I
I
I
I
I
I
O
I
I
O
O
O
O
O
O
O
I/O
I/O
—
I
—
O
I
—
I
I
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.
BG/L control signal
Not used.
Cam motor control.
Not used.
Tuner audio mute. H: Mute
Not used.
Not used.
Not used.
Erasing protection tab, cassette in
detection signal input.
Not used.
Cam encoder signal input.
Cam encoder signal input.
Cam encoder signal input.
Cam encoder signal input.
Video envelope mode detect signal
(SP or EP)
Serial communication signal.
Serial communication signal.
Serial communication signal.
Servo/system control microcomputer
chip select signal.
Not used.
PWM output for capstan torque
control.
Not used.
Capstan reverse control “L” when
reverse.
“H” when audio mute.
Tape top /end sensors driver.
Capstan stop signal output.
Full erase control.
Not used.
Serial communication data.
Not used.
Serial communication clock.
Ground.
System reset signal.
Ground.
System clock (16 MHz).
System clock (16 MHz).
Not used.
Drum PG input.
Drum FG input.
Capstan FG input.
NICOL control signal out.
Cable box control signal out.
Forced mono.
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
FOLLW TV
N.C
AF ENV
RF ENV
T SENS
S SENS
N.C
AMP VSS
CTL HEAD (–)
CTL HEAD (+)
HEADL (+)
HEADL (–)
CTL F AMP (+)
CTL F AMP (–)
CTL GND
CTL S AMPI
CTL F AMPO
AMP VDD
CTL OUT
S REEL FG
T REEL FG
CAP DA
DRM DA
N.C
N.C
VSYNC
N.C
24 V_CONT
18 V_CONT
N.C
N.C
VSS
VDD
5V
N.C
FAST SEARCH
HA SWP
POWER SAVE CONT 1
POWER SAVE C+
MOD CONT
SP/LP
TV/VTR
STEP PLS
AF SWP
I/O
O
—
I
I
I
I
—
—
I
I
I
I
I
—
I/O
I/O
O
O
I
I
O
I
O
I
O
I
I
O
O
—
I
O
O
—
I
I
O
O
O
O
O
O
O
O
O
O
Function
Not used.
Ground.
D5V
D5V
Ground.
Adjustment mode.
Ground.
Ground.
HiFi audio playback signal envelope.
Video playback signal envelope.
Take-up end sensor.
Supply end sensor.
Not used.
Ground.
CTL signal I/O.
CTL signal I/O.
CTL signal.
CTL signal.
CTL first AMP input.
CTL first AMP input.
Ground.
CTL second AMP input.
CTL first AMP output.
5 V.
Control signal output for check pin.
Supply reel FG input.
Take-up reel FG input.
Capstan error D/A output.
Drum error D/A output.
UNSW 5 V.
Ground.
Composite sync signal input.
Not used.
24 V control, when the high speed
mode.
18 V control, when the high speed
mode.
Not used.
Not used.
Ground.
D5V
D5V
Not used.
Switching signal for capacitor on
CTL(X).
Head AMP SWP.
Not used.
Not used.
Tuner modulation out control signal.
Tape speed mode control signal “L”
when SP mode.
Not used.
Step pulse “H” when capstan step
driving.
AF switching pulse output.
5-4E
Pin No.
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
I/O
—
—
—
—
—
I
O
—
O
O
—
—
—
O
I
—
—
I
I
—
I
—
—
I
I
I
I
—
—
—
—
I
I
—
—
I
I
I
I
—
—
—
—
—
—
—
—
—
—
—
O
O
5-7. TUNER/TIMER MODE CONTROL PIN FUNCTION
(FR-161 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
48
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
I
—
—
—
—
—
—
—
I
O
I/O
—
—
I
—
O
I
—
—
—
O
O
Function
Teletext IC (ML Board IC950) Reset
signal
Lanc Input
Lanc Output
Remote control Input.
I2C bus interface Data Input/Output
I2C bus interface Clock Input/Output
I2C bus interface Data Input/Output
I2C bus interface Clock Input/Output
FLD Driver Chip Select
ML IC Chip Select (ML Board IC902)
GND
Tuner Chip Select
Tuner PLL Clock
Tuner PLL Data
OSD IC (MA359 IC660) Chip Select
S/S micom (MA359 board IC160)
reset signal
S/S micom (MA359 board IC160)
Chip Select signal
Main Power supply control signal
Secondary Power supply control signal
Together with 28, 30 & 31
ML board IC950 Enable signal
ML board IC950 Busy signal
Together with 25, 30 & 31
Not used ?
Together with 28 & 25
Positive supply Voltage
Serial Data Input
Serial Data Output
Serial Clock Input/Output
System Reset
GND
Internal Oscillator output for 20 MHz
crystal
Internal Oscillator 20 MHz crystal input
Positive supply Voltage
Together with 49 ~ 52
Serial Data Output
Serial Clock Input/Output
Function
Together with 45 & 46
Positive supply Voltage
Internal Oscillator 32 kHz crystal input
Internal Oscillator output for 32 kHz
crystal
GND
AV LINK output
Remote control output
Together
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
GND
Positive supply Voltage
Positive supply Voltage
Positive supply Voltage
Key Pad Reading
Key Pad Reading
Together
Ground Wave tuner AFT detection
HDET signal input
Positive supply Voltage
Positive supply Voltage
GND
Together
EEP Mode control
X-UCOM reset signal
(IC902 ML Board)
Pin Name
TXT RST
NC
LANC IN
(SENSER)
LANC OUT
(SENSER)
NC
SIRCS IN
EEP DATA
EEP SCL
SDA
SCL
FDP CS
NC
X-UCOM CS
NC
VSS
TU ENABLE
PLL CLK
PLL DATA
OSD CS
NC
ASURA RESET
ASURA CS
POWER CONT1
POWER CONT2
NC
ML ENABLE
OPTION2
NC
OPTION3
NC
NC
Not used
Not used
Not used
SI (TO CME)
SO (FROM CME)
SCLK
NC
NC
RST
VSS
XTAL
EXTAL
VDD
NC
NC
OSD SO
(FROM CME)
OSD SCLK
Pin Name
NC
NC
NC
NC
VDD
TEX
TX
VSS
AV LINK OUT
SIRCS OUT
NC
NC
NC
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
NC
NC
NC
NC
NC
NC
NC
NC
EEP MODE
X-UCOM RST
6-1
SLV-SE85/SF90/SF99
SECTION 6
ADJUSTMENTS
6-1. MECHANICAL ADJUSTMENT
For the mechanical adjustments, please refer to the
“VHS MECANICAL ADJUSTMENT MANUAL
“VHS MECANICAL ADJUSTMENT MANUAL
(S
MECHANISM)” (9-921-647-13)
6-2. ELECTRICAL ADJUSTMENT
2-1.
PREPARATION BEFORE ADJUSTMENT
2-1-1.
Equipment Required
The measuring instruments used for this alignment include:
1)
1)
Monitor TV
2)
Oscilloscope, dual-trace, bandwidth above 30 MHz with delay
mode (Unless specified otherwise, use a 10 : 1 probe.)
mode (Unless specified otherwise, use a 10 : 1 probe.)
3)
Frequency counter
4)
PAL pattern generator
5)
Remote commander
6)
Digital voltmeter
7)
Audio generator
8)
Audio level meter
9)
Audio attenuator
10) Alignment tape
KRV-51NP (PAL) Part No.: 8-192-955-57
2-1-2.
Equipment Connection
Unless specified otherwise, connect the measuring instrument as
shown in the following diagram.
shown in the following diagram.
Fig. 6-2-1.
2-1-3.
Setup for adjustment
Because the video signal obtained from the pattern generator is used
as the adjustment signal for adjustments, the video output signal
must satisfy the given specification.
Connect the oscilloscope to VIDEO LINE-2 IN terminal, and check
that the amplitude of sync signal is approximately 0.3V, the
amplitude of the video section is approximately 0.7V and the
amplitude of burst signal is approximately 0.3V. And check that the
level ratio of the burst signal to “red” signal is 0.30 : 0.66.
The video signal used for adjustments is shown in Fig. 6-2-2.
as the adjustment signal for adjustments, the video output signal
must satisfy the given specification.
Connect the oscilloscope to VIDEO LINE-2 IN terminal, and check
that the amplitude of sync signal is approximately 0.3V, the
amplitude of the video section is approximately 0.7V and the
amplitude of burst signal is approximately 0.3V. And check that the
level ratio of the burst signal to “red” signal is 0.30 : 0.66.
The video signal used for adjustments is shown in Fig. 6-2-2.
Fig. 6-2-2. Color Bar Signal of Pattern Generator
2-1-4.
Alignment Tape
• Contents of KRV-51NP
1
2
3
4
Mode
SP
LP
Period
7 minutes
3 minutes
7 minutes
3 minutes
Video signal
Color bar
Monoscope
Color bar
Monoscope
Audio signal
Hi-Fi
400Hz
(L/R)
Normal
400Hz
LINE-2 IN
VIDEO
VIDEO
LINE-1
V OUT GND
Video output
(75
Ω
)
Pattern generator
VCR
!ª
!¶
Monitor TV
Red
Horizontal sync signal
Burst signal
(Should be flat)
(Should be flat)
Approx.
0.3 V
0.3 V
White (100%)
Approx. 0.3 V
Approx. 0.7 V
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