No.
NAME
I/O
Description
P-OFF P-SAVE P-FAIL
Reset
1
CURRENT_LIMIT
O Current limit terminal for Capstan driver.
Low
Low
Low
Low
2
F ADJUST
O Analogue voltage output for Head frequency response adjustment.
Low
Low
Low
Low
3
SCAS_IN(L)
I Detection Terminal for VHS tape or S-VHS tape.
In
In
In
In
4
PB60Hz(H)
O
Switching terminal of NTSC-PB trap filter for FM audio.
(1).When the Playback detection result is 60Hz in the "VV"mode
(PB,TRICK/PB,ADUB,ADUB-PS), the high (H) signal is outputted.
(2).Other than above condition, the high (L) signal is outputted.
Low
Low
Low
Low
5
TRACKING_ENVE
I Video envelope input terminal for auto tracking and CVC.
In
In
In
In
6
SLP(H)
O
Tape speed output terminal.(EE/VV)
*When the NTSC10/PAL9H is set up as the Servo data.: High (h) output.
*Other than above speed : Low (L) output.
Low
Low
Low
Low
7
LP(H)
O
Tape speed output terminal.(EE/VV)
*When the NTSC4H/6H or PAL6H/9H is set up as the Servo data : High (H) Output.
*Other than above speed : Low (L) output.
*As for 2 head model, the output signal is fixed to low, no matter if it has LP mode or not.
Low
Low
Low
Low
8
CPB
I
PB(H) input terminal from AV2.
*From 3.85v to 5.0v : High
*From 1.82v to 2.84v :Middle
*From 0v to 0.81v :Low
In
In
In
In
9
AFC S
I S curve input terminal from the Tuner.
In
In
In
In
10 A-MUTE(H)
O Audio mute signal exclusive for the RF converter.
High
High
Low
High
11 AV1_8IN
I
PB(H) input terminal from AV1.
*From 3.85v to 5.0v : High
*From 1.82v to 2.84v :Middle
*From 0v to 0.81v :Low
In
In
In
In
12 N/S/T2/T3
I
Normal/Service/Test2/Test3 select
*Over than 4.0v :NORMAL mode
*From 2.5v to 4.0v :SERVICE mode
*From 1.0v to 2.5v :TEST2 mode
*From 0v to 1.0v :TEST3 mode
In
In
In
In
13 S-PHOTO
I
Tape end sensor input from supply side.
*More than 2.6V: Black / Less than 2.4V : white)
In
In
In
In
14 T-PHOTO
I
Tape beginning sensor input from take up side
*More than 2.6V: Black / Less than 2.4V : white)
In
In
In
In
15 ABS_NORM(H)
I Input terminal for FM audio envelope level detection.
In
In
In
In
16 S-VHS/MES/NOR
I Input terminal for Playback detection result. (S-VHS/MESECAM/NORMAL)
In
In
In
In
17 S-VHS(H)
O Output terminal for S-VHS mode.
Low
Low
Low
Low
18 SECAM_ID_IN(L)
I Input terminal for SECAM detection result.
In
In
In
In
19 D.FM.REC(H)
O Control signal for timing of FM audio recording current.
Low
Low
Low
Low
20 ART.V/H/N
O Output terminal of the Artificial V synchronization signal.
Low
Low
Low
Low
21 AV1_OUT_SW(L)
I
Input terminal of composite/component switching for AV1 output.
*It is automatically switched composite/component when this result is sent to TV using P50.
In
In
In
In
22 AV3_S_IN(L)
I
Input terminal of AV3_S-VHS input condition.
*AV3_S-VHS IN : "Low" (L).
In
In
In
In
23 ET_REC(H)
O REC Mode output terminal of the S-VHS-ET.
Low
Low
Low
Low
24 VIDEO.H.SW
O Output terminal for video HEAD switching signal.
Low
Low
Low
Low
25 A.H.SW
O Output terminal for FM audio HEAD switching signal.
Low
Low
Low
Low
26 A.DEF(H)
O Output terminal for decoder IC Reset.
Low
Low
Low
Low
27 B/W(H)
O Output terminal for B/W Mode.
---
---
---
---
28 AVPB-H(L)
O
High
High
Low
High
29 AVPB-M(H)
O
Low
Low
Low
Low
30 GND(D)
GND
---
---
---
---
31 20MHz.IN
Main oscillator input
---
STOP
STOP
---
32 20MHz.OUT
O Main oscillator output
---
STOP
STOP
---
33 +5V(D)
VDD
---
---
---
---
34 32KHz IN
Sub oscillator input
---
---
---
---
35 32KHz OUT
O Sub oscillator output
---
---
---
---
36 VCONT
Open
---
---
---
---
Output terminal of PB (H/M) for AV2.
(If the unit has only one scart terminal, this is for AV1.)
*To be outputted signal from 21pin (8) has been changed to H/M/L signal in accordance
with the following terminal’s settings.
High
Middle
Low
AVPBH-(L) AVPBM-(H)
L
H
H
Hi-Z
Hi-Z
L
pin8
Setting
Содержание NV-HS825EG
Страница 22: ...3 3 8 CIRCUIT BOARD LAYOUT 22 ...
Страница 25: ...10 2 CASING PARTS SECTION 25 ...
Страница 26: ...10 3 PACKING PARTS SECTION 26 ...
Страница 27: ...11 REPLACEMENT PARTS LIST 11 1 CHASSIS PARTS SECTION PARTS LIST 27 ...
Страница 42: ...L7601 VLQ0599J330 COIL 33UH G0C330JA0026 42 ...
Страница 83: ...PS4801 A 1 FRONT C B A Connector ADDRESS INFORMATION NV HS825EG B EC FRONT C B A VEP04782B 1 A C B 3 2 4 ...
Страница 85: ... VEP06E13A NV HS825EG B EC JOG C B A 1 A C B D 3 2 PS6301 A 3 JOG C B A Connector ADDRESS INFORMATION ...
