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CPU PIN FUNCTION
<SYSCON IC3001>
PIN NO.
LABEL
IN/OUT
1
CTL[+]
-
CTL(+) SIGNAL
2
SVss
-
GND
3
CTL[-]
IN/OUT CTL(-) SIGNAL
4
CTLBIAS
-
CTL BIAS VOLTAGE
5
CTLFB
IN
CTL PULSE FEEDBACK
6
CTL_AMP_OUT
OUT
CTL PULSE OUTPUT
7
CTLSMTIN
OUT
CTL PULSE OUTPUT
8
CFG
IN
CAPSTAN FG PULSE INPUT
9
SVcc
-
SYSTEM POWER
10
Avcc
IN/OUT SYSTEM POWER
11
S_DET
IN
DETECTION OF VIDEO SYNC SIGNAL (DETECED:H)
12
SECAM_DET
IN
SECAM MODE DETECT
13
VIDEO_ENV
IN
AUTO TRACKING DTECT/INPUT THE AVERAGE OF PLAYBACK VIDEO SIGNAL
14
START_SENSOR
IN
START SENSOR
15
END_SENSOR
IN
END SENSOR
16
KEY1
IN
OPERATION CONTROL SIGNAL
17
PROTECT
IN
DETECTION SIGNAL FOR SW POWER SUPPLY
18
SCR_ID/
IN
SCRAMBLE CONTROL INPUT (SCRAMBLE:H)
19
KEY2
IN
OPERATION CONTROL SIGNAL
20
AFC
IN
TUNING CHECK
CHANGES IN ATS+IC OUTPUT AS CAUSED BY CHANGES IN RECEIVER SENSITIVITY WHEN
21
RF_AGC
IN
THE SAME CHANNEL IS RECEIVED MORE THAN ONCE ARE INPUT.
22
A.ENV/ND[L]
IN
AUDIO PB FM ENV.INPUT/NON HiFi MODE:L
23
Avss
-
GND
24
CTL_GAIN
OUT
CONTROL AMP OUT FREQUENCY RESPONSE SWITCHING
25
LSA
IN
MECHANISM MODE DETECT (A)
26
LSB
IN
MECHANISM MODE DETECT (B)
27
LSC
IN
MECHANISM MODE DETECT (C)
28
CAP.M_F/R
OUT
CAPSTAN MOTOR REVERSE CONTROL (FWD:L/REV:H)
29
RC
IN
REMOTE CONTROL DATA INPUT
30
NC
-
NC
31
P50_IN
IN
CONTROL SIGNAL FOR TV LINK
32
R.PAUSE/COMPU_IN
IN
REMOTE PAUSE INPUT/AV COMPULINK INPUT
33
P50_OUT
OUT
CONTROL SIGNAL FOR TV LINK
34
NC
-
NC
35
LM_F/R/S
OUT
LOADING MOTOR DRIVE
36
LSD
IN
MECHANISM MODE DETECT (D)
37
NC
-
NC
38
SB_GAIN[PWM]
OUT
VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE
39
NC
-
NC
40
POWER_DET
IN
DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
41
P.CTL[H]
OUT
CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
42
P.SAVE[L]
OUT
POWER SAVE MODE:H
43
Vss
-
GND
44
COMPU_OUT
OUT
AV COMPULINK OUTPUT
45
Vcc
-
SYSTEM POWER
46
K.BUS_DATA_TO_SYS
IN
SERIAL DATA TRANSFERMER OUTPUT FOR DVD CPU
47
K.BUS_DATA_FR_SYS
OUT
SERIAL DATA TRANSFERMER OUTPUT FOR DVD CPU
48
K.BUS_CLK
OUT
SERIAL DATA TRANSFERMER CLOCK FOR DVD CPU
49
12C_DATA_AV
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR AD IC
50
12C_CLK_AV
OUT
SERIAL DATA TRANSFER CLOCK FOR AD IC
51
OSD_CS
OUT
ONSCREEN IC CHIP SELECT
52
S.DATA_FR_SYS
OUT
SERIAL DATA TRANSFER OUTPUT FROM THE FDP DRIVER TO THE ON-SCREEN
53
S.CLK
OUT
SERIAL DATA TRANSFERMER CLOCKFOR ONSCREEN IC
54
SP_FG
IN
DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
55
TU_FG
IN
DETECTION SIGNAL TAKE-UP REEL ROTATION/TAPE REMAIN
56
SUB_RESET
OUT
DVD CPU RESET
FUNCTION
PIN NO.
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
101
102
103
104
105
106
107
108
109
110
111
112
LABEL
IN/OUT
S.CASS[H]
IN
S.CASS DETECT
REC_SAFETY
IN
REC SAFETY SWITCH DETECT (SW ON:L)
SW1/CONV_CTL[H]
OUT
TUNER SYSTEM MODE:H
SW2/CH_SW
IN
TUNER SYSTEM MODE:L/CHANNEL SWITCHING SIGNAL
NC
-
NC
FWE
OUT
FLASH WRITE ENABLE
NMI
-
NOT USED
X2
-
TIMER CLOCK(32kHz)
X1
-
TIMER CLOCK(32kHz)
RES
-
RESET TERMINAL(RESET ON:L)
OSC1[IN]
-
MAIN SYSTEM CLOCK(10MHz)
Vss
-
GND
OSC2[OUT]
-
MAIN SYSTEM CLOCK(10MHz)
VCC/VCL
-
SYSTEM POWER
MODE
-
NOT USED
SYNC_DET[H]
IN
DETECTION OF VIDEO SYNC SIGNAL (DETECTED:H)
TU_V_MUTE[H]
OUT
TUNER VIDEO CONTROL (MUTE:H)
A.MUTE[H]
OUT
AUDIO MUTE CONTROL (MUTE:H)
12C_CLK2
OUT
SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
12C_DATA2
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
SECAM[H]
IN
SECAM MODE:H
P.ON_PULSE
OUT
POWER ON /OFF PULSE
PAL_PB[H]
OUT
PAL FM (PB ON:H)
SUB_REQ[L]
OUT
DVD CPU RESET
MESECAM_DET
OUT
MESECAM:H
Vcc
-
SYSTEM POWER
FRONT_Y[H]
OUT
FRONT S-INPUT:H
Vss
-
GND
SP_SHORT
OUT
MODE SELECT
LP_SHORT
OUT
MODE SELECT
NC
-
NC
H.REC_ST[H]
OUT
HiFi AUDIO SOUND RECORDING START
NC
-
NC
N.REC_ST[H]
OUT
NORMAL AUDIO SOUND RECORDING START
DVD[H]
OUT
DVD MODE:H
NC
-
NC
NC
-
NC
CTL_A
OUT
AV1 OUTPUT SWITCH CONTROL
DVD_RGB[H]
-
NC
A.MUTE2[L]
OUT
AUDIO MUTE CONTROL(MUTE ON:H)
NC
-
NC
C.SYNC
IN
COMPOSITE SYNC INPUT
A.FF
OUT
AUDIO FF OUTPUT
V.FF
OUT
ROTATION DETECTION SIGNAL FOR DRUM MOTOR/TIMING CONTROL SIGNAL FOR REC
CAPPWM
OUT
CAPSTAN MOTOR CONTROL
DRUMPWM
IN
DRUM MOTOR CONTROL
P.MUTE[L]
OUT
PICTURE MUTE CONTROL(MUTE ON:H)
SEP[H]
IN
Y/C SEPARATE INPUT MODE: H
N.REC[H]
OUT
NORMAL AUDIO REC MODE CONTROL SIGNAL (REC:H)
ET_REC[H]
OUT
S-VHS ET REC MODE:H
EE[L]
OUT
EE MODE:L
DFG
IN
DRUM FG PULSE INPUT
Vcc
-
SYSTEM POWER
V.PULSE
OUT
V.PULSE ADDITION TIMING CONTROL
Vss
-
GND
CTLREF
-
CTL REFERENCE VOLTAGE
FUNCTION
2-49
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