Panasonic NV-MV21GC, Руководство по обслуживанию

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No Terminal Name I/O Description P.OFF P.Failure
Reset/
Release
42 PAL_SQPB O
50Hz Playback on SQPB: High output
Other than above : Low output
Low Low Low
43 32K.START(L) I
Clock souce selection terminal at reset starting.
*12/16MHz(High speed) :Connected to VCC (5V).
*32KHz(Slow speed) :Connected to Vss (0V).
In In In
44 LC.OSC.IN I Input terminal of the LC Oscillation (For OSD dot clock) In In In
45 LC.OSC.OUT O Output terminal of the LC Oscillation (For OSD dot clock) Out Out Out
46 GND - Connected to the GND ( Test terminal "B" in the factory). - - -
47 FSC.LPF I OSC Filter connection terminal for Internal sync generator. In Low In
48 FSC.IN I Sub carrier (fsc) input terminal for sync generator. In Low In
49 GND(OSD) - GND terminal for OSD circuit. - - -
50 CVIN I Input terminal for composite video signal. In In In
51 KILLER I
When a signal that V-sync is 50Hz is putting in or playing back.
* PAL/MESECAM distinction result input terminal.
Low is put into this terminal: PAL
High is put into this terminal: Dipend on MESECAM H /SECAM DET input
terminal.
When a NTSC signal is putting in.
* Input terminal for distinction result of agreement between Fsc of input signal and
frequency of OSC for sub-carrier that being chosen by IC3001.
Low is put in: Agree
High is put in: Different
In In In
52 CVOUT O Output terminal for the composite video signal. Out Out Out
53 5V(OSD) - Power supply terminal for OSD - - -
54 HLF I LPF connection terminal for slicer. In In In
55 VHOLD I Capacitor connection terminal of the Reference voltage generator circuit for the slicer. In In In
56 CVIN(EDS) I Composite video signal input terminal for the slicer. In In In
57 GND - Connect to the GND (Test terminal "A" in the factory). - - -
58 NC O Low fix. Low Low Low
SECAM MIX (For
other than NV-
MV21GN)
I SECAM CHROMA signal input terminal for SECAM SIGNAL SUPER IMPOSE. Low Low Low
NC (For NV-
MV21GN)
O Low fix. Low Low Low
60 CHARA + HEM O
OSD REC control terminal.
1. During OSD REC.
*During OSD character is output (Including Hemming): "High" is output.
*Output than above condition: "Low" is output.
2. Other than OSD REC: High-Z.
Hi-Z/Low Hi-Z/Low Hi-Z/Low
61 SW2 O
(For NV-MV21GN)
High fix.
(For other than NV-MV21GN)
AUDIO SYSTEM = BG, DK: High is output.
AUDIO SYSTEM = I, M: Low is output.
Low Low Low
62 A.SEARCH (L) I/O
AGC gain selection signal for tuner CH selection.
During digital AFC is working at TUNER PRESET mode: Low (AGC is high speed).
Other than above: Hi-Z (AGC is normal speed).
Low Low Low
63 VBI2 O
NAVI writing terminal.
* During NAVI data being written (During recording when JET NAVIGATOR is ON).
OSD letters (Including the masking) being written : High
Except OSD letters being written : Low
* Other than above: Hi-z
Low / Hi-Z Low / Hi-Z Low / Hi-Z
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