2-25
2-26
IC1-21
IC1-26
IC1-29
TP106
PB.FM
REC 1.0Vp-p
0.2V/20µsec/DIV
REC 0.5Vp-p
0.1V/20µsec/DIV
PB 2.2Vp-p
0.5V/20µsec/DIV
PB 0.3Vp-p
0.1V/20µsec/DIV
WF1
WF2
WF3
WF4
TP111
D.FF
REC/PB 3.8Vp-p
1V/10msec/DIV
WF5
IC1-86
REC 1.3Vp-p
0.2V/20µsec/DIV
WF6
IC2201-9
PB/REC 33mVp-p
10mV/0.5msec/DIV
REC/PB 0.35Vp-p
0.1V/5msec/DIV
WF1
IC2201-53
WF2
IC2201-21
REC 1.2Vp-p
0.5V/5µsec/DIV
WF3
TP2253
A.PB.FM
PB 0.6Vp-p
0.2V/5µsec/DIV
WF4
IC1-6
REC 0.33Vp-p
PB 0.52Vp-p
0.1V/0.5ms/DIV
WF5
IC1-2
REC/PB 28mVp-p
10mV/0.5ms/DIV
WF6
IC1-98
REC 0.45Vp-p
0.1V/0.5ms/DIV
WF7
CN3001-1
CAP.M_FG
CN3001-11
DRUM_PG/FG
TP4001
CTL.P
IC3001-74
REC/PB 4.4Vp-p
2V/0.5msec/DIV
REC/PB 4.8Vp-p
1V/5msec/DIV
PB 4.0Vp-p
1V/5msec/DIV
REC 3.9Vp-p
1V/10msec/DIV
WF2
WF1
WF3
WF4
IC3001-49
REC/PB 2.2Vp-p
0.5V/20µsec/DIV
WF5
IC3001-47
REC/PB 2.2Vp-p
0.5V/20µsec/DIV
WF6
WAVEFORMS
<VIDEO/N.AUDIO>
<AUDIO>
<SYSTEM CONTROL>
PIN NO.
LABEL
IN/OUT
FUNCTION
PIN NO.
LABEL
IN/OUT
FUNCTION
1 SP_FG
IN DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
2 TU_FG
IN DETECTION SIGNAL FOR TAKE-UP REEL ROTATION/TAPE REMAIN
3
P50_IN
IN
CONTROL SIGNAL FOR TV LINK
4
SW1/KEY3
OUT TUNER SYSTEM MODE:H/
5
RC
IN
REMOTE CONTROL DATA INPUT
6 D_A
OUT LED
DRIVE
7 D_B
OUT LED
DRIVE
8 D_C
OUT LED
DRIVE
9 D_D
OUT LED
DRIVE
10 D_E
OUT LED
DRIVE
11 D_F
OUT LED
DRIVE
12 D_G
OUT LED
DRIVE
13
P50_OUT
OUT CONTROL SIGNAL FOR TV LINK
14
SECAM[H]/R-Y_REV
IN
SECAN MODE :H/
15
NREC[H]
OUT NORMAL AUDIO REC MODE CONTROL SIGNAL (REC:H)
16 P.ON_P
OUT P.ON_PULSE(H)
17 12C_DATA_A/V
IN/OUT
SERIAL DATA TRANSFER CLOCK FOR THE VIDEO /AUDIO IC
18 12C_CLK_A/V
OUT SERIAL DATA TRANSFER OUTPUT FOR THE VIDEO /AUDIO IC
19 SP_SHORT[H]
OUT MODE
SELECT
20 LP/EP_SHOR[H]
OUT MODE
SELECT
21 A.MUTE[H]/SB_GAIN
OUT
22
REC_SAFETY
IN
REC SAFETY SWITCH DETECT (SW ON:L)
23 D.FF
OUT
24
V.PULSE
OUT V.PULSE ADDITION TIMING CONTROL
25
RESET
-
RESET TERMINAL (RESET ON:L)
26
A.FF
OUT AUDIO FF OUTPUT
27
N.REC_ST[H]
OUT NORMAL AUDIO SOUND RECORDING START
28
H.REC_ST[H]
OUT NORMAL AUDIO SOUND RECORDING START
29 TV[L]
OUT NC
30
S_DET
IN
S-VHS DETECT (DETECT ON : H)
31
12C_DATA
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
32
12C_CLK/TEST
OUT SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
33
CAP_CTL_V
OUT CAPSTAN MOTOR CONTROL
34
DRUM_CTL_V
OUT DRUM MOTOR CONTROL
35 SB_GAIN/A.MUTE[H]
OUT
36 VDD
- SYSTEM
POWER
37
X_OUT
-
MAIN SYSTEM CLOCK (14MHz)
38
X_IN
-
MAIN SYSTEM CLOCK (14MHz)
39 VSS
- GND
40 XC_IN
- TIMER
CLOCK(32KHz)
41 XC_OUT
- TIMER
CLOCK(32KHz)
42
CLK_SEL
IN
CLOCK SELECT FOR FLASH WRITER
43
CH_SW/SW2
IN
TUNER SYSTEM MODE:L /CHANNEL SWITCHING SIGNAL
44
TU_MUTE[H]
OUT TUNER VIDEO CONTROL (MUTE:H)
45
OSD.S_IMPOSE
OUT SIGNAL IMPOSE FOR OSD SCREEN
46
CONV_CTL[H]
OUT R/F CONVERTER ON/OFF CONTROL
47
VIDEO_OSD_OUT
OUT COMPOSITE VIDEO SIGNAL OUTPUT
48 VSS2
- GND
49
V_TO_OSD
IN
COMPOSITE VIDEO SIGNAL INPUT
50
SYN_IN
IN
COMPOSITE SYNC/HORIZONTAL SYNC
51 VDD2
- SYSTEM
POWER
52 AFCC
OUT AFC CLOCK (SYNC SEPARATOR FOR OSD / EXTERNAL CIRCUIT FOR AFC)
53 AFCLPF
IN FILTER OUTPUT FOR HORIZONTAL SYNCHRONIZING OF OSD CHARACTER
54
FSCI
IN
FSC INPUT FOR OSD
55
FSCLPF
IN/OUT FILTER OUTPUT FOR FSC OF OSD CHARACTER
56
HS_FR
OUT HIGH SPEED FF/REW CONTROL
57
CTL_GAIN
OUT CONTROL AMP OUT FREQUENCY RESPONSE SWITCHING
58 4:3[L]
OUT ASPECT
SELECT
59
P.CTL[H]
OUT CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
60
EE[L]/MODEL_OPTION2
OUT EE MODE : L/
61
LM_F/R/S
OUT LOADING MOTOR DRIVE
62
CAP.M_F/R
OUT CAPSTAN MOTOR REVERSE CONTROL (FWD:L/REV:H)
63
CH+A/MODEL_OPTION2
OUT AV1 OUTPUT SWITCH CONTROL
64
CH+B/MODEL_OPTION3
OUT AV2 OUTPUT SWITCH CONTROL
65
D.FG_IN
IN
DRUM FG PULSE INPUT
66 EEPROM_DET/SUB_CLK_DET
-
SETTING OF EEPROM (ENABLE:L,DISABLE:H) /
67
C.FG_AMP_OUT
OUT CAPSTAN FG PULSE AMO OUT
68
C.FG_IN
IN
CAPSTAN FG PULSE INPUT
69
AMP_VREF_OUT
OUT CTL PULSE AMP REFFERENCE VOLTAGE OUTPUT
70
AMP_VREF_IN
IN
CTL PULSE AMP REFFERENCE VOLTAGE INPUT
71 AVSS
- GND
72 AMP_C
- CAPACITO CONNECT TERMINAL FOR CTL PULSE AMP CIRCUIT
73 AVCC
IN/OUT
SYSTEM
POWER
74 CTL[+]
- CTL(+)
SIGNAL
75
CTL[-]
IN/O UT CTL(-) SIGNAL
76
CTL_AMP_OUT
OUT CTL PULSE OUTPUT
77 PROTECT
IN DETECTION
SIG
79
AFC/JUST_CLK
IN
TUNING CHECK/JUST CLK INPUT
80
LED/PAL_PB[H]
IN
NC / PAL PLAYBACK MODE:H
81
A.ENV/ND[L]
IN
AUDIO PB FM ENV.INPUT/NON HiFi MODE:L
82 RF_AGC
IN
83 VIDEO_ENV
IN AUTO TRACKING DETECT/INPUT THE AVERAGE OF PLAYBACK VIDEO SIGNAL
84 MESEC_DET/SW_P_ADJ OUT MESECAM:H/
85 END_SENSOR
IN END
SENSOR
86
SECAN_DET/KILLER_DET
IN
SECAM MODE DETECT/COLOR SIGNAL DISTINCTION
87
SCR[H]
IN
SCRAMBLE CONTROL INPUT (SCRAMBLE:H)
88
KEY1
IN
OPERATION CONTROL SIGNAL
89
KEY2
IN
OPERATION CONTROL SIGNAL
90 POWER_DET
IN DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
91
LSA
IN
MECHANISM MODE DETECT (A)
92
LSB
IN
MECHANISM MODE DETECT (B)
93
LSC
IN
MECHANISM MODE DETECT(C)
94
LSD
IN
MECHANISM MODE DETECT (D)
95 DIG1
OUT LED
DRIVE
96 DIG2
OUT LED
DRIVE
97 DIG3
OUT LED
DRIVE
98 DIG4
OUT LED
DRIVE
99 DIG5
OUT LED
DRIVE
100 NC
IN/OUT
NOT
USED
VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE/
AUDIO MUTE CONTROL(MUTE ON:H)
ROTATION DETECTION SIGNAL FOR DRUM MOTOR/
TIMING CONTROL SIGNAL FOR REC
AUDIO MUTE CONTROL (MUTE ON:H)/VOLTAGE CONTROL
SIGNAL FOR VIDEO FREQUENCY RESPONSE
CHANGES IN ATS+IC OUTPUT AS CAUSED BY CHANGES IN RECEIVER SENSITIVITY
WHEN THE SAME CHANNEL IS RECEIVED MORE THAN ONCE ARE INPUT.
CPU PIN FUNCTION
<SYSCON IC3001>