Sony SLV-AV100B / SLV-AV100NP / SLV-AV100UX / SLV-AV100VC Service Manual ▷ View online
7-6
Pin No.
Pin Name
I/O
Function
1
RF SWP
O
RF switching pulse output.
2
QVD
O
Quasi VD pulse output.
3
QHD ENBL
O
Quasi HD voltage level control.
4
AF REC P
O
"H" output when hi-fi audio REC.
5
NTSC
O
"H" when PAL mode, "L" when NTSC mode.
6
FE ON
O
Flying erase ON/OFF.
7
REC CTL
O
REC CTL signal output.
8
CAP TRQ3
O
Capstan current control.
9
APC2
I
APC control input terminal 2.
10
APC1
I
APC control input terminal 1.
11
NAREC P
I/O
Normal audio recording mode, H: recording mode.
12
SP/EP/LP
O
"L" when SP mode, "H" when EP/LP mode.
13
CAM LOAD
I
Loading motor rotating direction control.
14
CAM UNLOAD
I
Loading motor rotating direction control.
15
CIN (REC PRF)
I
Erasing protection bab, cassette IN detection input.
16
RENTAL
I/O
YNR control.
17
NC
O
Not used.
18
NC
–
Not used.
19
3.58NTSC
I
Tuner audio selection signal. H:3.58 XTAL (Not used.)
20
NT JUDGE
I
4.43/3.58 judge input.
21
BLUE BACK ON
O
Not used.
22
PAL60
O
NTSC PB control signal. "H"when NTSC PB on pal TV.
23
TV/VTR
O
"L" when VTR mode, "H" when TV mode. (Not used.)
24
AV CONT
O
ON/OFF control.
25
MESECAM
I/O
"L" in NT mode.
26
CBC ON
O
Cable box control on. (Not used.)
27
MODE4
I
Mechanism section CAM encoder input.
28
MODE3
I
Mechanism section CAM encoder input.
29
MODE2
I
Mechanism section CAM encoder input.
30
MODE1
I
Mechanism section CAM encoder input.
31
CAM 12V
O
CAM motor reference voltage.
32
T/E LED
O
T/E LED output.
33
CAP TRQ2
O
Capstan current control signal 2. L: FF/REW to STOP.
34
CAP TRQ1
O
Capstan current control signal 1. L: SLOW speed down.
35
CAP STOP
O
Capstan STOP signal output.
36
FULL ERS
O
Full erase control.
37
NC
O
Not used.
38
NC
O
Not used.
39
MP
I
Fixed to L.
Pin No.
Pin Name
I/O
Function
40
ASURA RESET
I
System reset input.
41
VSS
–
GND.
42
XTAL
–
System clock. (16 MHz)
43
EXTAL
–
44
ASURA CS
I
S/S microcomputer chip select signal. (MA-283 board IC151)
45
S IN 0
I
Serial communication signal.
46
S OUT 0
O
Serial communication signal.
47
SCLK
O
Serial communication signal.
48
NICOLE ON
O
Not used.
49
F MONO
O
Tuner Audio Select. (Not used.)
50
EDIT
O
EDIT control.
51
LINE 3 CONT
O
Input selection control signal 3. (Not used.)
52
AVSS
–
UNSW GND.
53
AVREF
–
AD port reference input UNSW 5V.
54
AVDD
–
UNSW 5V.
55
APC ERROR
I
APC error input.
56
NTPB SW
I
NTSC PB switch.
57
DEST2
I
DEW sensor input. (Not used.)
58
VA ADJ
I
ADJ mode. 0V: SWP Adj, 2.5V: HiFi Adj
59
AF ENV
I
Hi-Fi audio playback signal envelope.
60
RF ENV
I
Video playback signal envelope.
61
T SENS
I
Take-up end sensor input.
62
S SENS
I
Supply end sensor input.
63
SREEL FG
I
S side reel FG input.
64
TREEL FG
I
T side reel FG input.
65
VDD
I
5V.
66
V SYNC
I
Composite sync input.
67
PB CTL
I
Playback CTL input.
68
DRM PG
I
Drum PG input.
69
DRM FG
I
Drum FG input.
70
CAP FG
I
Capstan FG input.
71
POWER SAVE CONT
O
Power save control signal output.
72
CAP RVS
O
Capstan reverse control H when reverse.
73
CAP DA
O
Capstan error D/A output.
74
DRM DA
O
Drum PG input.
75
CTL REC
O
"H" CTL write.
76
CTL STEP
O
CTL amp, STEP operation control.
77
VDD
I
5V.
78
VDD
O
5V.
7-8. SERVO/SYSTEM CONTROL MICROPROCESSOR PORT FUNCTION DESCRIPTION (MA-283 BOARD IC201 CXP87248A-019Q)
7-7
Pin No.
Pin Name
I/O
Function
79
CTL INDEX
O
CTL INDEX signal input.
80
SO1
I/O
Signal for serial communication.
81
SCK1
I/O
Signal for serial communication.
82
LINE2
I
Input selection control signal 2.
83
LINE1
I
Input selection control signal 1.
84
APC PWM
O
PWM output for APC.
85
NC
I
Not used.
86
NC
–
Not used.
87
NC
–
Not used.
88
VSS
–
GND.
89
VDD
–
5V.
90
NC
–
Not used.
91
ORC SETTEI
O
H when ORC measurement.
92
A MUTE
O
"H" when audio Mute.
93
SP
O
Normal audio tape speed select.
94
NA SP
O
Normal audio tape speed select. (Not used.)
95
NAPB
O
Audio output control signal H when normal audio playback. (Not used.)
96
AF REC
O
"H" output when hi-fi audio REC.
97
JOG
O
"H" when trick play mode.
98
VPB
O
Video system playback mode "L" when playback.
99
STEP PLS
O
Step pulse H when capstan step driving.
100
AF SWP
O
AF switching pulse output.
7-8
Pin No.
Pin Name
I/O
Function
1
PDC DAV
I
Line 21H output pulse. Pulse signal synchronized with line 21 of input video signal.
2
POWER FAIL
I
Power failure detect signal input.
3
H DET
I
Video signal detect signal input.
4
H DET 2
I
Video signal detect for VHS block.
5
EEP BUSY
I
EEP Busy signal input.
6
SW1
O
Tuner system change signal output 1.
7
BUZZER
O
Buzzer output.
8
SW2
I
Tuner system change signal output 2.
9
EEP RST
O
EEPROM reset signal output (stereo).
10
SCK0
O
Clock for serial communication.
11
SI0
I
Serial data input.
12
SO0
O
Serial data output.
13
EEP CS
O
EEPROM chip select signal output. (MA-283 board IC153)
14
LANC IN
I
LANC input.
15
LANC OUT
O
LANC output.
16
POWER CONT 0
O
Power supply control for AUDIO block.
17
AU CS
O
SOUND microprocessor chip select. (FM-27 board IC101)
18
AU RESET
O
SOUND microprocessor reset signal output.
19
AU STOP
O
SOUND microprocessor halt signal output.
20
AU TEMP IN
I
Audio block power failure detect signal input.
21
AU WATT IN
I
Audio output level detect signal input.
22
AU FAN H/L
O
FAN motor speed select.
23
AFT
I
Key reading A/D input.
24
AVDD
–
UNSW 5V.
25
AV REF
–
AD port reference input UNSW 5V.
26
SCL0
O
I
2
C BUS (clock)
27
CG CS
O
Character generator chip select signal. (MA-283 board IC401)
28
SDA0
O
I
2
C BUS (data)
29
N. C
–
Not used.
30
AVSS
–
UNSW GND.
31
EXTAL
–
System clock. (16 MHz)
32
XTAL
–
33
VSS
–
GND.
34
RST
I
Reset signal in.
35
PLL CLK
O
Tuner clock signal.
36
PLL DATA
O
Tuner data signal.
37
PLL ENABLE
O
Tuner enable signal.
38
C+CLK
O
CANAL+ control clock.
39
C+DET
I
CANAL+ detection.
7-9. TUNER/TIMER/MODE CONTROL PORT FUNCTION DESCRIPTION (MA-283 BOARD IC151 CXP82960-013Q)
Pin No.
Pin Name
I/O
Function
40
C+DATA
O
CANAL+ control data.
41
TA MUTE
O
Tuner audio mute control signal.
42
AUTO PRESET
O
"H" during auto preset.
43-45
N. C
–
Not used.
46
CONT A
O
Video selector control output.
47
CONT B
O
Video selector control output.
48
A OUT CONT 1
O
Audio selector control output.
49
A OUT CONT 2
O
Audio selector control output.
50
LED POWER
O
Power LED control output.
51-71
N. C
–
Not used.
72
VDD
–
UNSW 5V.
73
TX
–
Connected to oscillator for clock.
74
TEX
–
75
NC/VPP
–
Connected to 5V.
76
ASURA CS
O
S/S microcomputer chip select. (MA-283 board IC201)
77
SYS RESET
O
System reset signal output.
78
POWER CONT 1
O
Power supply control signal output.
79
POWER CONT 2
O
Power supply control signal output for PDC.
80
CG V
I
Vertical sync. signal input.
7-9
Pin No.
Pin Name
I/O
Function
1
STOP
I
Halt signal input.
2
AUTO STOP
–
Not used. (reserved)
3
STEREO
–
Not used. (reserved)
4
SIRCS
I
SIRCS signal input.
5
PHONE IN
I
Phone insert detect input.
6
VOL UP
O
Motor driver control CW for master volume.
7
N. C
–
Not used.
8
–20dB MUTE
O
20 dB mute signal output.
9
AU CS
I
Microprocessor chip select.
10
SCK
I
Clock for serial communication.
11
SI
I
Serial data input.
12
SO
O
Serial data output.
13
LED CLK
O
Clock for LED driver.
14
VOL DOWN
O
Motor driver control CCW for master volume.
15
LED DATA
O
Data for LED driver.
16
A/SIGNAL
–
Noy used. (reserved)
17
KEY AD1
I
Key reading A/D input.
18
KEY AD2
I
Key reading A/D input.
19
S CLK
O
Clock for SOUND periferal serial communication.
20
S DATA
O
Data for SOUND periferal serial communication.
21
PLL DATA
–
Not used. (reserved)
22
DMS 1
I
DMS encoder phase 1 signal input.
23
DMS 2
I
DMS encoder phase 2 signal input.
24
AVDD
–
UNSW 5V.
25
AVREF
–
AD port reference input UNSW 5V.
26
TONE CS
O
Tone controller chip select. (SR-24 board IC401)
27
LED CS
O
Chip select for LED driver. (FM-27 board IC201)
28
S CE1
O
Chip select for selector.
29
S CE2
O
Chip select for surround IC.
30
AVSS
–
GND.
31
EXTAL
–
System clock. (16 MHz)
32
XTAL
–
33
VSS
–
GND.
34
RST
I
Reset signal input.
35
KEY MAT0
I
Key reading input.
36
KEY MAT1
I
Key reading input.
37
KEY MAT2
I
Key reading input.
38
KEY MAT3
I
Key reading input.
39
T MUTE
O
Not used. (reserved)
7-10. SOUND CONTROL MICROPROCESSOR PORT FUNCTION DESCRIPTION (FM-27 BOARD IC101 CXP82948-008Q)
Pin No.
Pin Name
I/O
Function
40
IC MUTE
O
Audio mute control output.
41
FUNC MUTE
O
Audio mute control output.
42
LOW BOOST
O
Audio bass boost mode control output.
43
VFDP
–
"-30V".
44-58
SEG 1-15
O
VFP segment output.
59
N. C
–
Not used. (reserved)
60-71
GRID 12-1
O
VFP grid output.
72
VDD
–
UNSW 5V.
73
TX
–
Not used. (reserved)
74
TEX
–
Not used. (reserved)
75
NC/VPP
–
Connect to +5V.
76
BRIDGE
O
Audio supply voltage select relay control.
77
PHONE RY
O
Phone relay control output.
78
SURR RY
O
Surround relay control output.
79
SP RY
O
Main speaker ralay control output.
80
PROTECT
I
Speaker protection detect signal input.
E
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