Panasonic NV-SJ200AM, Service Manual

Page: 20 / 78

Function
Power failure detection input.
This port supplies low during SP mode.
Supply reel pulse input.
Take-up reel pulse input.
Remote Controller pulse input.
OSD REC control output.
OSD REC control output.
Hi-Fi audio mute control output.
EE:Low
VV:High
FIP driver chip selection.
This port is high during S-VHS playback mode.
VTR/TV mode switching control.
Channel switching control.
FIP driver serial clock output.
FIP driver serial data input.
FIP driver serial data output.
IIC serial data in/output
IIC serial clock output
Not used
Capstan torque switching control.
1. FF/REW Mode
Capstan rotation speed is 1300 rpm or more without VHS-C cassette:High
Capstan rotation speed is less than 1300 rpm without VHS-C cassette:High impedance
VHS-C cassette:High imedance
2. Except FF/REW Mode:High impedance
Capstan motor current limitter output.
Capstan rotation direction control.
Reverse : High
Forward : Low
Video head switching signal output.
This port supplies artificial vertical sync signal to stabilize the picture in special playback mode.
This port is low during reset.
Audio signal recording on/off control.
Video signal recording on/off control.
This port supplies high during a certain time from starting the recording.
NTSC 2H PAL 3H
NTSC 4H ---
NTSC 6H PAL 6H
Oscillator output for main clock adjustment.
Full erase on/off control.
ON:Low
OFF:High
Audio signal recording on/off control.
Audio head switching signal output.
Capstan torque control.
Cylinder torque control.
Not used
OSD REC1
9 sec
18 sec
---
Pin No.
1
28 O
11
12
13
14
15
16
CUR. EMPH(H)
REC MODE OUTPUT TIMING
17
23
25
22
18
19
REC MODE
6 sec
12 sec
18 sec
OUTPUT TIMING
4
5
2
3
6
7
8
9
10
21
24
31
32
33
26
27
29
34
35
S.REEL.PULSE
30
128Hz
FULL ERASE(L) O
20
VTR(H)/TV(L)
O
T.REEL.PULSE
I.R.
In/Out
I
O
P.FAIL.IN(L)
Port Name
SP(L)
OSD REC1
FM MUTE(H)
VIDEO EE(H)
FL DRV CS(L)
SQ PB(H)
IIC.TALK/LSN
IIC.CLK
CH H/L
IC.CLK
IC.LSN
IC.TLK
N.C.
HALF WAVE(H)
CURRENT LIMIT
CAP R/F
VIDEO H.SW
ART V/H/N
RESET(L)
D.A.REC(H)
D.REC(H)
BIAS(L)
A H SW
CAP ET
CYL ET
N.C.
I
I
I
O
O
O
I
I
O
I
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
O
O
O
O
O