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CPU PIN FUNCTION
<SYSCON IC3001>
PIN NO.
LABEL
IN/OUT
FUNCTION
1
CTL[+]
IN/OUT CTL(+) SIGNAL
2
SVss
-
GND
3
CTL[-]
IN/OUT CTL(-) SIGNAL
4
CTLBIAS
-
CTL BIAS VOLTAGE
5
CTLFB
IN
CTL PULSE FEEDBACK
6
CTLAMPOUT
OUT
CTL PULSE OUTPUT
7
CTLSMTIN
IN
CTL PULSE OUTPUT
8
CFG
IN
CAPSTAN FG PULSE INPUT
9
SVcc
-
SYSTEM POWER
10
Avcc
-
SYSTEM POWER
11
S_DET
IN
NORMAL AUDIO : L
12
SECAN_DET
IN
SECAN MODE DETECT
13
VIDEO_ENV
IN
AUTO TRACKING DETECT/INPUT THE AVERAG 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 SWITCHING POWERSUPPLY
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
21
RF_AGC
IN
WHEN 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 SWITCHIN
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
DIG1
OUT
LED DRIVE
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
DIG2
OUT
LED DRIVE
35
DIG3
OUT
LED DRIVE
36
DIG4
OUT
LED DRIVE
37
DIG5
OUT
LED DRIVE
38
SB_GAIN[PWM]
OUT
VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE
39
DIG6
OUT
LED DRIVE
40
DIG7
OUT
LED DRIVE
41
D_A
OUT
LED DRIVE
42
D_B
OUT
LED DRIVE
43
Vss
-
GND
44
COMP_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 A/V IC
50
12C_CLK_AV
OUT
SERIAL DATA TRANSFER CLOCK FOR A/V IC
51
OSD_CS
OUT
ON-SCREEN IC CHIP SELECT
52
S.DATA_FRSYS
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
PIN NO.
LABEL
IN/OUT
FUNCTION
57
NC
-
NOT USED
58
REC_SAFTY
IN
REC SAFETY SWITCH DETECT (SW ON:L)
59
D_C
OUT
LED DRIVE
60
D_D
OUT
LED DRIVE
61
D_E
OUT
LED DRIVE
62
FWE
-
FLASH WRITE ENABLE
63
NMI
-
NOT USED
64
X2
-
TIMER CLOCK(32kHz)
65
X1
-
TIMER CLOCK(32kHz)
66
RES
-
RESET TERMINAL(RESET ON:L)
67
OSC1[IN]
IN
MAIN SYSTEM CLOCK(10MHz)
68
Vss
-
GND
69
OSC2[OUT]
IN
MAIN SYSTEM CLOCK(10MHz)
70
VCC/VCL
-
SYSTEM POWER
71
MODE
-
NOT USED
72
SYNC_DET[H]
IN
DETECTION OF VIDEO SYNC SIGNAL (DETECTED : H)
73
TU_V.MUTE[H]
OUT
TUNER VIDEO SIGNAL MUTE : H
74
A.MUTE_[H]
OUT
AUDIO MUTE CONTROL (MUTE:H)
75
12C_CLK2
OUT
SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
76
12C_DATA2
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
77
SECAN[H]
IN
SECAN MODE :H
78
P.ON_PULSE
OUT
POWER ON/OFF PULSE OUTPUT
79
PAL_PB[H]
IN
PAL FM (PB ON:H)
80
SUB_REQ[L]
OUT
DVD CPU RESET
81
MESECAN_DET
OUT
MESECAM:H
82
Vcc
-
SYSTEM POWER
83
D_F
OUT
LED DRIVE
84
Vss
-
GND
85
SW2/CH_SW
IN
TUNER SYSTEM MODE:L/CHANNEL SWITCHING SIGNAL
86
SW1/CONV.CTL[H]
OUT
TUNER SYSTEM MODE/RF_CONVERTER CONTROL
87
H.REC_ST[H]
OUT
HiFi AUDIO SOUND RECORDING START
88
SP_SHORT[H]
OUT
MODE SELECT
89
LP_SHORT[H]
OUT
MODE SELECT
90
N.REC_ST[H]
OUT
NORMAL AUDIO SOUND RECORDINGSTART
91
D_G
OUT
LED DRIVE
92
LM_F/R/S[LMC1]
OUT
LOADING MOTOR DRIVE
93
LSD[LMC2]
IN
MECHANISM MODE DETECT (D)
94
P.CTL[H]
OUT
CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
95
POWER_DET
IN
DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
96
A.MUTE2[L]
OUT
AUDIO MUTE CONTROL (MUTE:L)
97
DVD_RGB[H]
-
NOT USED
98
C.SYNC
IN
COMPOSITE SYNC INPUT
99
A.FF
OUT
AUDIO FF OUTPUT
100
V.FF
OUT
ROTATION DETECTION SIGNAL FOR DRUM MOTOR/TIMING CONTROL SIGNAL FOR REC
101
CAPPWM
OUT
CAPSTAN MOTOR CONTROL
102
DRUMPWM
OUT
DRUM MOTOR CONTROL
103
P.MUTE[L]
OUT
PICTURE MUTE CONTROL (MUTE ON : L)
104
NC
-
NOT USED
105
N_REC[H]
OUT
NORMAL AUDIO REC MODE CONTROL SIGNAL (REC:H)
106
NC
-
NOT USED
107
EE[L]
OUT
EE MODE:L
108
DFG
IN
DRUM FG PULSE INPUT
109
Vcc
-
SYSTEM POWER
110
V.PULSE
OUT
V.PULSE ADDITION TIMING CONTROL
111
Vss
-
GND
112
CTLREF
-
CTL REFERENCE VOLTAGE
WAVEFORMS
<VIDEO BLOCK DIAGRAM >
WF2
IC1-21
WF1
IC1-15
REC 1.0Vp-p
REC 1.1Vp-p
0.5V/20µsec/DIV
0.5V/20µsec/DIV
<AUDIO BLOCK DIAGRAM >
WF1
IC2201-14
WF2
IC2201-57
REC/PB 30mVp-p
REC/PB 0.3Vp-p
10mV/2msec/DIV
0.1V/2msec/DIV
WF7
IC1-98
REC 2.4Vp-p
1.0V/0.5ms/DIV
<SYSTEM CONTROL BLOCK DIAGRAM >
CN3001-1
CN3001-11
WF1
WF2
CAP.M_FG
DRUM_PG/FG
REC/PB 4.8Vp-p
REC/PB 4.4Vp-p
1.0V/0.5msec/DIV
1.0V/10msec/DIV
WF2
IC201-19
REC/PB 1.1Vp-p
0.5V/20µsec/DIV
2-45
2-46
TP111
WF3
IC1-29
WF4
D.FF
WF5
IC1-86
REC/PB 2.2Vp-p
REC/PB 3.8Vp-p
REC 1.4Vp-p
1.0V/20µsec/DIV
1.0V/10msec/DIV
0.5V/20µsec/DIV
TP2253
WF3
IC2201-21
WF4
A.PB_FM
WF5
IC1-6
REC 1.3Vp-p
PB 0.7Vp-p
REC/PB 1.6Vp-p
0.5V/0.5µsec/DIV
0.5V/5µsec/DIV
1.0V/0.5ms/DIV
TP4001
WF3
WF4
IC3001-1
WF5
IC3001-98
CTL.P
PB 2.5Vp-p
REC 3.6Vp-p
REC 5.0Vp-p
1.0V/10msec/DIV
1.0V/10msec/DIV
2.0V/20µsec/DIV
WF6
IC1-2
REC/PB 0.2Vp-p
50mV/0.5ms/DIV
WF6
IC201-21
REC/PB 0.9Vp-p
0.5V/20µsec/DIV
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