Cpu Pin Function - JVC HM-HDS1EK Service Manual

MODE MODE MODE MODE
REC PLAY REC PLAY REC PLAY REC
PIN NO. PIN NO. PIN NO. PIN NO.
11 3.3 3.3 22 - 3.3 129 2.4 1.7 27 3.3
12 0 0 23 - 3.3 130 3.3 3.3 28 3.3
13 0 0 24 0 0 131 1.7 3.0 29 3.3
14 0 0 25 2.4 2.4 132 3.3 1.0 30 3.3
15 0 0 26 1.1 1.0 133 0 3.3 31 3.3
16 3.3 3.3 27 3.3 3.3 134 2.1 0 32 3.3
17 0 0 28 3.3 3.3 135 1.9 3.3 33 0
18 0 0 29 3.3 3.3 136 1.9 3.3 34 0
19 0 0 30 3.3 3.3 137 0 3.3 35 1.7
20 0 0 31 - 3.3 138 2.2 3.3 36 0
21 0 0 32 - 3.3 139 2.0 3.3 37 0
22 0 0 33 3.3 3.3 140 0 3.3 38 3.3
23 - - 34 3.3 3.3 141 0 0 39 3.3
24 0 0 35 0 3.3 142 3.3 3.3 40 3.3
25 3.3 3.3 36 - 3.3 143 3.3 3.3 41 0
26 3.3 3.3 37 - 3.3 144 3.3 3.3 42 3.3
27 0 0 38 - 3.3 145 3.3 3.3 43 3.3
28 3.3 3.3 39 - 3.3 146 3.3 3.3 44 3.3
29 3.3 3.3 40 - 0 147 3.3 3.3 45 3.3
30 3.3 3.3 41 - 3.3 148 3.3 3.3 46 3.3
31 3.3 3.3 42 - 3.3 149 3.3 3.3 47 0
32 3.3 3.3 43 - 3.3 150 2.4 2.4 48 3.3
33 3.3 3.3 44 - 1.6 151 3.3 3.3 49 3.3
34 3.3 3.3 45 0 0 152 3.3 3.3 50 0
35 3.3 3.3 46 3.3 3.3 153 3.3 3.3 IC8403
36 3.3 3.3 47 0 3.3 154 3.3 3.3 1 3.3
37 3.3 3.3 48 0 3.3 155 3.3 3.3 2 3.3
38 3.3 3.3 49 2.4 2.4 156 3.3 3.3 3 3.3
39 3.3 3.3 50 0 3.0 157 3.3 3.3 4 0
40 3.3 3.3 51 0 3.0 158 0 0 5 3.3
41 3.3 3.3 52 0 3.0 159 1.7 3.3 6 3.3
42 3.3 3.3 53 0 3.0 160 2.0 3.3 7 3.3
43 3.3 3.3 54 0 3.0 161 1.7 3.3 8 3.3
44 3.3 3.3 55 0 3.0 162 3.3 3.3 9 3.3
45 3.3 3.3 56 0 3.0 163 3.3 3.3 10 0
46 0 0 57 0 3.0 164 3.3 3.3 11 3.3
47 0 0 58 0 3.0 165 3.3 3.3 12 3.3
48 1.0 1.0 59 0 3.0 166 2.4 2.4 13 3.3
IC8206 60 0 3.0 167 3.3 3.3 14 3.3
1 0 0 61 3.3 3.0 168 3.3 3.3 15 0
2 3.3 3.3 62 0 0 169 3.3 3.3 16 3.3
3 3.3 3.3 63 0 3.3 170 3.3 3.3 17 3.3
4 3.3 3.3 64 0 3.3 171 3.3 3.3 18 3.3
5 3.3 3.3 65 0 3.3 172 3.3 3.3 19 3.3
6 3.3 3.3 66 2.4 2.4 173 0 0 20 3.3
7 3.3 3.3 67 0 3.0 174 3.3 3.3 21 3.3
8 3.3 3.3 68 0 3.0 175 0 0 22 3.3
9 3.3 3.3 69 0 3.0 176 3.3 3.3 23 3.3
10 0 0 70 0 3.0 177 3.3 3.3 24 3.3
11 0 0 71 0 3.0 178 3.3 3.3 25 3.3
12 0 0 72 0 3.0 179 3.3 3.3 26 0
13 0 0 73 0 3.0 180 0 0 27 3.3
14 0 0 74 0 3.0 181 1.6 1.4 28 3.3
15 0 0 75 0 3.0 182 2.4 2.4 29 3.3
16 0 0 76 0 3.0 183 3.3 3.3 30 3.3
17 0 0 77 0 0 184 3.3 3.3 31 3.3
18 0 0 78 3.3 3.3 185 3.3 3.3 32 3.3
19 0 0 79 0 3.0 186 3.3 3.3 33 0
20 3.3 3.3 80 0 3.0 187 3.3 3.3 34 0
IC8207 81 0 3.0 188 3.3 3.3 35 1.8
1 0 0 82 2.4 2.4 189 3.3 3.3 36 0
2 3.3 3.3 83 0 3.0 190 0 0 37 0
3 3.3 3.3 84 0 3.0 191 3.3 3.3 38 3.3
4 3.3 3.3 85 0 3.0 192 3.3 3.3 39 3.3
5 3.3 3.3 86 3.3 3.3 193 3.3 3.3 40 3.3
6 3.3 3.3 87 0 0 194 3.3 3.3 41 0
7 3.3 3.3 88 0 3.3 195 3.3 3.3 42 3.3
8 3.3 3.3 89 3.3 3.3 196 3.3 3.3 43 3.3
9 3.3 3.3 90 0 3.3 197 0 0 44 3.3
10 0 0 91 0 3.3 198 3.3 3.3 45 3.3
11 0 0 92 0 3.3 199 1.7 1.7 46 3.3
12 3.3 2.9 93 3.3 3.3 200 1.0 0.8 47 0
13 3.3 2.9 94 3.3 3.0 201 0 0 48 3.3
14 0 0 95 3.3 3.0 202 0 0 49 3.3
15 - - 96 2.4 2.4 203 1.7 1.7 50 0
16 - - 97 1.4 1.4 204 1.7 1.7 IC8404
17 0 0 98 3.3 3.3 205 3.3 3.3 1 3.3
18 0 0 99 0 0 206 3.3 3.3 2 3.3
19 0 0 100 3.3 3.3 207 3.3 3.3 3 3.3
20 3.3 3.3 101 0 3.0 208 0 0 4 0
102 0 3.0 IC8402 5 3.0
103 0 3.0 1 3.3 3.3 6 3.0
<MPEG ENC.>
104 0 3.0 2 3.3 3.3 7 3.3
MODE
105 0.2 3.0 3 3.3 3.3 8 3.2
REC PLAY
PIN NO.
106 0.2 3.0 4 0 0 9 3.1
IC8401 107 0.3 3.0 5 3.3 3.3 10 0
1 2.4 2.4 108 2.4 2.4 6 3.3 3.3 11 3.0
109 3.3 3.3 7 3.3 3.3 12 3.0
2 0 0
110 0 0 8 3.3 3.3 13 3.3
3 0 0
4 3.3 3.3 111 0.2 3.0 9 3.3 3.3 14 0
5 3.3 3.3 112 0.2 3.0 10 0 0 15 3.0
6 3.3 3.3 113 0.2 3.0 11 3.3 3.3 16 3.0
114 0.2 3.0 12 3.3 3.3 17 3.3
7 3.3 3.3
115 0.2 3.2 13 3.3 3.3 18 0
8 2.4 2.4
9 0 0 116 - 3.0 14 3.3 0 19 3.3
10 3.3 3.3 117 0 0 15 0 3.3 20 3.0
118 3.3 3.3 16 3.3 3.3 21 3.2
11 3.3 3.3
119 1.2 1.2 17 3.3 3.3 22 0
12 3.3 3.3
13 3.3 3.3 120 1.0 1.0 18 3.3 0 23 0
14 0 0 121 1.0 1.0 19 3.3 3.3 24 3.1
15 3.3 3.3 122 1.0 0.7 20 3.3 3.3 25 3.3
123 1.5 1.7 21 3.3 0 26 0
16 3.3 3.3
124 1.0 1.0 22 3.3 0 27 3.1
17 3.3 3.3
18 3.3 3.3 125 1.0 0.8 23 3.3 3.3 28 3.1
19 3.3 3.3 126 1.5 1.5 24 3.3 0 29 3.2
127 2.4 2.4 25 3.3 3.3 30 3.2
20 2.4 2.4
128 3.3 3.3 26 0 0 31 3.0
21 - 3.3
MODE MODE MODE MODE
PLAY REC PLAY REC PLAY REC PLAY
PIN NO. PIN NO. PIN NO. PIN NO.
3.3 32 3.0 3.0 32 3.3 3.3 139 0 0 37
3.3 33 0 0 33 3.3 3.3 140 5.0 5.0 38
3.3 34 3.3 3.3 34 3.3 3.3 141 5.0 5.0 39
3.3 35 1.7 1.7 35 0 0 142 5.0 5.0 40
3.3 36 0 0 36 1.6 1.6 143 5.0 5.0 41
3.3 37 0 0 37 3.3 3.3 144 5.0 5.0 42
0 38 3.3 3.3 38 3.3 3.3 145 5.0 5.0 43
0 39 3.0 3.0 39 3.3 3.3 146 5.0 5.0 44
1.7 40 3.0 3.0 40 3.3 3.3 147 5.0 5.0 45
0 41 0 0 41 3.3 3.3 148 5.0 5.0 46
0 42 3.0 3.0 42 3.3 3.3 149 5.0 5.0 47
3.3 43 3.0 3.0 43 3.3 3.3 150 5.0 5.0 48
3.3 44 3.3 3.3 44 3.3 3.3 151 5.0 5.0 49
3.3 45 3.0 3.0 45 3.3 3.3 152 5.0 5.0 50
0 46 3.0 3.0 46 3.3 3.3 153 5.0 5.0 CN8001
3.3 47 0 0 47 0 0 154 5.0 5.0 1
3.3 48 3.0 3.0 48 0 0 155 5.0 5.0 2
3.3 49 3.2 3.2 49 0 0 156 3.3 3.3 3
3.3 50 0 0 50 1.6 1.6 157 0 0.2 4
3.3 IC8405 51 1.6 1.6 158 0.4 0.4 5
0 1 3.3 3.3 52 3.3 3.3 159 0.3 0.3 6
3.3 2 3.2 3.2 53 0 0 160 0.4 0 7
3.3 3 3.0 3.0 54 1.5 1.5 161 0.3 0 8
0 4 0 0 55 0 0 162 0.3 0 9
5 3.0 3.0 56 1.2 1.2 163 0.3 0 10
3.3 6 3.2 3.2 57 1.5 1.5 164 0.3 0 11
3.3 7 3.3 3.3 58 1.1 1.1 165 0.3 0 12
3.3 8 3.2 3.2 59 3.3 3.3 166 0.3 0 13
0 9 3.0 3.0 60 0 0 167 0.3 0 14
3.3 10 0 0 61 3.3 3.3 168 0.3 - 15
3.3 11 3.0 3.0 62 3.3 3.3 169 0.3 3.3 16
3.3 12 3.0 3.0 63 3.3 3.3 170 0.3 3.3 17
3.3 13 3.3 3.3 64 3.3 3.3 171 3.3 0 18
3.3 14 0 0 65 3.3 3.3 172 3.3 1.3 19
0 15 0 0 66 3.3 3.3 173 0 0 20
3.3 16 0 0 67 1.7 1.7 174 1.4 0 21
3.3 17 0 3.3 68 3.3 3.3 175 0.2 0 22
3.3 18 0 0 69 0 0 176 0.2 3.3 23
0 19 3.3 3.3 70 3.3 3.3 177 0.2 3.3 24
3.3 20 3.0 3.0 71 1.4 1.4 178 3.3 3.3 25
3.3 21 3.2 3.2 72 1.2 1.2 179 3.3 3.3 26
3.3 22 3.1 3.1 73 1.1 1.1 180 3.3 3.3 27
3.3 23 3.1 3.1 74 1.0 1.0 181 3.3 3.3 28
3.3 24 3.1 3.1 75 1.9 1.9 182 0 0 29
3.3 25 3.3 3.3 76 1.2 1.2 183 0 0 30
3.3 26 0 0 77 1.0 1.0 184 0 0 31
3.3 27 3.1 3.1 78 1.4 1.4 185 0 0 32
3.3 28 3.1 3.1 79 3.3 3.3 186 3.3 3.3 33
3.3 29 3.1 3.1 80 1.7 1.7 187 0 0 34
3.3 30 3.1 3.1 81 1.0 1.0 188 0 0 35
0 31 3.1 3.1 82 1.2 1.2 189 0 0 36
3.3 32 3.1 3.1 83 3.3 3.3 190 3.3 3.3 37
3.3 33 0 0 84 3.3 3.3 191 0 3.3 38
3.3 34 3.3 3.3 85 3.3 3.3 192 0 3.3 39
3.3 35 1.7 1.7 86 3.3 3.3 193 0 3.3 40
3.3 36 0 0 87 0 0 194 0 3.3 CN8002
3.3 37 0 0 88 3.3 3.3 195 0 1.4 1
0 38 3.3 3.3 89 3.3 3.3 196 0 0 2
0 39 3.0 3.0 90 3.3 0 197 0 1.4 3
1.8 40 3.0 3.0 91 3.3 0 198 0 0 4
0 41 0 0 92 3.3 0 199 0 1.4 5
0 42 3.0 3.0 93 3.3 0 200 3.3 1.7 6
3.3 43 3.0 3.0 94 0 0 201 3.3 3.3
3.3 44 3.3 3.3 95 3.3 3.3 202 3.3 1.4
<P.SUP>
3.3 45 3.0 3.0 96 3.3 0 203 3.3 1.4
MODE
0 46 3.0 3.0 97 3.3 0 204 3.3 1.4
PIN NO.
3.3 47 0 0 98 0 0 205 3.3 0
IC8901
3.3 48 3.0 3.0 99 0 0 206 3.3 1.5
1
3.3 49 3.2 3.2 100 3.3 3.3 207 3.3 1.5
2
3.3 50 0 0 101 3.3 3.3 208 3.3 1.2
3
3.3 102 1.3 1.3 IC8002
4
0 103 0.9 0.9 1 3.3 3.3
<ASIC IF> 5
3.3 104 3.3 3.3 2 0 0.2
MODE 6
3.3 105 0 0 3 0 0.2
REC PLAY
PIN NO. 7
0 106 3.3 3.3 4 0 0
8
IC8001 107 1.0 1.0 5 0 0.1
CN8901
3.3 1 0 0 108 1.7 1.7 6 0 0.2
1
3.3 2 1.5 1.5 109 1.0 1.0 7 3.3 3.3
2
3.3 110 1.1 1.1 8 0 0.1
3 0 0
3
0 111 1.2 1.2 9 0 0.2
4 0.2 0.2
4
3.0 5 0 0 112 1.2 1.2 10 0 0
5
3.0 6 0 0 113 1.7 1.7 11 0 0
6
3.3 114 3.3 3.3 12 0 0
7 3.3 3.3
7
3.2 115 0 0 13 3.3 3.3
8 0 0
8
3.1 116 3.3 3.3 14 3.3 3.3
9 0 0
9
0 10 0 0 117 5.0 5.0 15 3.3 3.0
3.0 11 3.3 3.3 118 5.0 5.0 16 3.3 3.2
3.0 119 5.0 5.0 17 3.3 3.2
12 0 0
3.3 120 3.3 3.3 18 3.3 3.3
13 3.3 3.3
0 14 3.3 3.3 121 0 0 19 0 0
3.0 15 3.3 3.3 122 3.3 3.3 20 3.3 3.2
3.0 16 3.3 3.3 123 0 0 21 0 0
3.3 124 3.3 3.3 22 0 0
17 0 0
0 125 3.3 3.3 23 0 0
18 3.3 3.3
3.3 19 3.3 3.3 126 1.0 1.0 24 0 0
3.0 20 3.3 3.3 127 0 0 25 3.3 3.3
3.2 128 0 0 26 0 0
21 3.3 3.3
0 129 0 0 27 0 0
22 3.3 3.3
0 23 3.3 3.3 130 3.3 3.3 28 0 0
3.1 24 3.3 3.3 131 5.0 5.0 29 0 0
3.3 25 3.3 3.3 132 3.3 3.3 30 0 0
0 133 3.3 3.3 31 0 0
26 3.3 3.3
3.1 134 0 0 32 0 0
27 3.3 3.3
3.1 28 3.3 3.3 135 3.3 3.3 33 0 0
3.2 29 3.3 3.3 136 5.0 5.0 34 3.3 3.3
3.2 137 5.0 5.0 35 1.5 1.5
30 3.3 3.3
3.0 138 5.0 5.0 36 3.3 0
31 3.3 3.3
4.34

CPU PIN FUNCTION

REC PLAY
0 0
3.3 3.3
<SYSCON IC3001>
0 1.0
0 1.0
PIN NO. LABEL IN/OUT
0 0
0 0.2
1 CTL(+) IN/OUT CTL(+) SIGNAL
0 0.2
2 SVSS - GND
3.3 3.3
0 0.3
3 CTL(-) IN/OUT CTL(-) SIGNAL
0 0.2
0 0
4 CTLBIAS - CTL BIAS VOLTAGE
0 0.2
0 0.2 5 CTLFB IN CTL PULSE FEEDBACK
0 0
6 CTLAMPOUT OUT CTL PULSE OUTPUT
5.0 5.0
7 CTLSMTIN IN CTL PULSE INPUT
0 0
5.0 5.0 8 CFG IN CAPSTAN FG PULSE INPUT
5.0 0
9 SVCC - SYSTEM POWER
5.0 5.0
5.0 0
10 AVCC - SYSTEM POWER FOR ANALOG CIRCUIT
5.0 5.0
5.0 5.0
11 NORM/MESEC/S IN SVHS MODE:H
5.0 5.0
5.0 5.0 12 SECAM_DET(H)/KILLER_DET/BIT_IN(H) IN NC/COLOR KILLER DETECT/NC
5.0 0
13 PAUSE IN PAUSE CONTROL
5.0 0
5.0 5.0
14 START_SENSOR IN START SENSOR
5.0 5.0
5.0 5.0 15 END_SENSOR IN END SENSOR
5.0 5.0
16 TU_SYNC - NC
5.0 5.0
5.0 5.0
17 SUB_BUSY/WIDE_DET2 IN SERIAL TRANSMISSION SIGNAL FOR SUB CPU/NC
0 0
CHANGES IN ATS+IC OUTPUT AS CAUSED BY CHANGES IN RECEIVER SENSITIVITY
0 0 18 RF_AGC/LED IN
WHEN THE SAME CHANNEL IS RECEIVED MORE THAN ONCE ARE INPUT./NC
0 0
19 SCR_ID(H)/WIDE_DET IN SCRAMBLECONTROL INPUT (SCRAMBLE:H)/NC
0 0
3.3 3.3
20 BS_ANT/AFC IN NC/TUNING CLOCK
0 0
3.3 3.3
21 VIDEO_ENV IN AUTO TRACKING DETECT/INPUT THE AVERAGE OF PLAYBACK VIDEO SIGNAL
0 0
5.0 5.0 22 A.ENV/ND(L) IN AUDIO PB FM ENV.INPUT/NON HiFi MODE:L
0 0
23 AVSS - GND FOR ANALOG CIRCUIT
0 3.3
0 0
24 CTL_GAIN OUT CONTROL AMP OUT FREQUENCY RESPONSE SWITCHING
0 0
5.0 5.0
25 LSA IN MECHANISM MODE DETECT(A)
0 0
26 LSB IN MECHANISM MODE DETECT(B)
0 0
0 0
27 LSC IN MECHANISM MODE DETECT(C)
- -
3.3 3.3
28 CAP_REV(L) OUT CAPSTAN MOTOR REVERSE CONTROL (FWD:H/REV:L)
3.3 3.3
29 RC IN REMOTE CONTROL DATA INPUT
5.0 5.0
0 0
30 LOCK(L) IN TUNING PLL LOCK DETECT:L
0 0
31 P50_IN IN CONTROL SIGNAL FOR TV LINK
0 0
5.0 5.0 32 ET_PB(H)/AGC_CTL IN NC
5.0 5.0
33 FRONT(H)/EXP1_DATA OUT FRONT INPUT:H/NC
0 0
5.0 5.0
34 P50_OUT/M_PULSE OUT CONTROL SIGNAL FOR TV LINK/NC
35 LMC1 OUT LOADING MOTOR DRIVE(1)
REC PLAY 36 LMC2 OUT LOADING MOTOR DRIVE(2)
37 LMC3 OUT LOADING MOTOR DRIVE(3)
2.4 2.4
38 SB_G(PWM) OUT VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE
- -
2.4 2.4
39 STB/TEST OUT STROBE SIGNAL (FOR FDP DRIVER)
2.4 2.4
0 0 40 POWER_DET IN DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
0 0
41 REC_SAFETY IN REC SAFETY SWITCH DETECT (SW ON:L)
1.8 1.8
1.8 1.8
42 PROTECT IN DETECTION SIGNAL FOR SW POWER SUPPLY
-7.2 -7.2
43 VSS - GND
5.0 5.0
44 RMO/ANT_CTL(H) OUT REMOTE CONTROL OUTPUT FOR SATELLITE RECEIVER/NC
0 0
3.3 3.3
45 VCC - SYSTEM POWER
3.3 3.3
0 0 46 SUB_DATA_IN/KBUS_DATA_IN IN/OUT SERIAL DATA TRANSFER INPUT FOR SUB CPU/NC
2.4 2.4
47 SUB_DATA_OUT/KBUS_DATA_OUT IN/OUT SERIAL DATA TRANSFER OUTPUT FOR SUB CPU/NC
2.4 2.4
0 0
48 SUB_CLK/KBUS_CLK OUT SERIAL DATA TRANSFER CLOCK FOR SUB CPU/NC
49 I2C_DATA_A/V IN/OUT SERIAL DATA TRANSFER OUTPUT FOR THE VIDEO/AUDIO IC
50 I2C_CLK_A/V OUT SERIAL DATA TRANSFER CLOCK FOR THE VIDEO/AUDIO IC
51 S.DATA_TOSYS IN SERIAL DATA TRANSFER OUTPUT FROM THE ON-SCREEN IC TO THE FDP DRIVER
52 S.DATA_FRSYS OUT SERIAL DATA TRANSFER OUTPUT FROM THE FDP DRIVER TO THE ON-SCREEN IC
53 S.CLK OUT SERIAL DATA TRANSMISSION CLOCK FROM THE FDP DRIVER TO THE ON-SCREEN IC
54 SP_FG IN DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
55 TU_FG IN DETECTION SIGNAL FOR TAKE-UP REEL ROTATION/TAPE REMAIN
56 JUST/EDS(H)/SECAM IN NC
4-67 4-68
FUNCTION PIN NO. PIN NO. LABEL LABEL IN/OUT IN/OUT
57 TU_CE OUT CHIP ENABLE OF THE TUNER UNIT
58 N.REC_ST(H) OUT NORMAL AUDIO SOUND RECORDING START
59 SP_CONV/BS/KBUS_REQ IN AUDIO INPUT SWITCHING FOR DV
60 TU_CLK OUT CLOCK FOR DATA TRANSFER TO THE TUNER UNIT
61 TU_DATA OUT TUNING DATA
62 FWE - NC
63 NMI(L) - NC
64 X2 - TIMER CLOCK (32.768KHz)
65 X1 - TIMER CLOCK (32.768KHz)
66 RES(L) - RESET TERMINAL (RESET ON:L)
67 OSC1(IN) - MAIN SYSTEM CLOCK(10MHz)
68 VSS - GND
69 OSC2(OUT) - MAIN SYSTEM CLOCK(10MHz)
70 VCC - SYSTEM POWER
71 MODE - NC
72 TU_A_MUTE(H) OUT TUNER AUDIO MUTE CONTROL (MUTE:H)
73 TU_V_MUTE(H) OUT TUNER VIDEO CONTROL (MUTE:H)
74 A.MUTE(H) OUT AUDIO MUTE CONTROL (MUTE:H)
75 I2C_CLK2 OUT SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
76 I2C_DATA2 IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
77 DV_A.MUTE/FF/REW(L) OUT DV AUDIO MUTE CONTROL (MUTE:H)/NC/NC
78 DV_P.MUTE(H) OUT DV PICTURE MUTE CONTROL (MUTE:H)
79 SUB_RESET/EXP_CLK OUT SUB CPU RESET/NC
80 V.P.CTL OUT V.PULSE CONTROL, V COMPENSATION DURING SPECIAL PLAYBACK
81 EDS_CS/PAL.PB(H) OUT NC/PLAYBACK MODE FOR PAL:H
82 VCC - SYSTEM POWER
83 SLOW_P/CNR_CTL OUT MEMORY TIMING CONTROL IN THE SLOW MODE / NC
84 VSS - GND
85 SP_SHORT(H) OUT MODE SELECT
86 LP_SHORT(H) OUT MODE SELECT
87 FLY_ON(H) OUT FLYING ERASE ON:H
88 H.REC_ST(H) OUT HIFI AUDIO SOUND RECORDING START
SPECIAL PLAYBACK: H/REC AFC FILTER, PB APC FILTER, BURST
89 TRICK(H)/M_TRICK(L) OUT
ACC FILTER, COLOR KILLER DET FILTER
90 S/P CONV.(H)/P.SAVE(L) OUT
S/P CONV. MODE(H)/P.SAVE(L)
91 OSD_CS OUT CHIP SELECT FOR THE ON-SCREEN IC
92 SYNC_DET(H) IN DETECTION OF VIDEO SYNC SIGNAL (DETECTED:H)
93 BS_P.CTL(H)/MESECAM(H) OUT NC/MESECAM:H
94 VHS(H) IN VHS MODE(H)
95 SHTL(L)/JOGA IN INPUT FOR THE JOG SHUTTLE
96 S_CASS(H) IN DETECTION SIGNAL FOR S VHS CASSETTE(S VHS:H)
97 RESET(H) IN RESET
98 C.SYNC IN COMPOSITE SYNC
99 A.FF OUT AUDIO FF OUTPUT
ROTATION DETECTION SIGNAL FOR DRUM MOTOR/TIMING
100 V.FF OUT
CONTROL SIGNAL FOR REC
101 CAPPWM OUT CAPSTAN MOTOR CONTROL
102 DRUMPWM OUT DRUM MOTOR CONTROL
103 SUB_OSD_ON/V_UP(H) OUT OSD IC CONTROL FOR MULTI DUBBING DISPLAY MODE:H/NC
104 SUB_CS/EXP2_DATA OUT TRANSMISSION START SIGNAL TO SUB CPU/NC
105 SP(H) - NC
106 P.MUTE(L) OUT PICTURE CONTROL (MUTE:L)
107 DPG IN DRUM PICKUP PULSE INPUT (SWITCHING PULSE)
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
FUNCTION FUNCTION