Panasonic Camera Recorder Ajhdx900 Operating Instructions

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6
6-1-3 Inspecting the VTR unit
Perform all the steps outlined in section “1. Tape travel
inspection ” through section  “4. Earphone and speaker
inspection ” one after the other.
1. Tape travel inspection
1Set the VTR SAVE/STBY switch to SAVE, and check
that the SAVE lamp inside the viewfinder lights.
2Set the VTR SAVE/STBY switch to STBY, and check
that the SAVE lamp goes off.
3Set the TCG switch to R-RUN.
4Set the DISPLAY switch to CTL.
5Press the unit ’s REC START button, and check that:
≥ The...

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5. Inspection using external microphones
1Connect external microphones to the AUDIO IN CH1
and CH2 jacks.
2Set the AUDIO IN CH1 and CH2 switches to REAR.
3Set the LINE/MIC/+48V selector switch on the back
panel to MIC or +48V in accordance with the external
mic’s power supply type.
MIC : Internal power supply mic.
+48V : External power supply mic.
4Point the microphones at the sound source, and check
that the changes in the audio levels displayed on the
audio level meter of the display window and in...

93
6
6-2 Maintenance
6-2-1 Condensation
The water vapor in the air may form as tiny droplets on the
head drum when the unit is moved from a cold location to a
warm location or used in a very humid place.  This
phenomenon is known as condensation, and running the
tape under these conditions is liable to cause the tape to
stick to the drum.
Note the following points:
≥Remove the tape when the unit ’s operation is to be started
in conditions where condensation may form.
≥ Before loading the tape, set the...

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6-2-6 Connectors and signals
AUDIO IN
1 GND
2 AUDIO IN(H)
3 AUDIO IN(C)
Matsushita part number K1AB103A0007
Maker part number HA16PRM-3SG(Hirose Denki)

PUSH
1
3
2

FRONT MIC IN
1 GND
2 L CH IN(H)
3 L CH IN(C)
4 R CH IN(H)
5 R CH IN(C)
Matsushita part number K1AB105B0002
Maker part number NC5FBH
(NEUTRIK)

PUSH
1
5
2
3
4

DC IN
1 GND
2NC
3NC
4 +12V
Matsushita part number K1AA104H0038
Maker part number HA16RX-4P (SW1)
(Hirose Denki)

12
3
4

DC OUT
1GND
2 R TALLY 
(Open collector)
3 REC START SW...

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6
Chapter 6  Maintenance and inspections (continued)
Matsushita part number K1AB120H0001
Maker part number HR12-14RA-20SC(Hirose Denki)

123
4 5
6 78
9
10
11 12 13 14 15
16 17 18 19 20

Matsushita part number K1AY110JA001
Maker part numberHR10A-10R-10SC (71)(Hirose Denki)
Connector at the cable sideMaker part numberHR10A-10P-10P(73)(Hirose Denki)

1
2
4
5
6
7
8
9
10
3

REMOTE
1 CAM DATA (H) Data from the camera to the remote control (H)
2 CAM DATA (C) Data from the camera to the remote control (C)
4...

96
Chapter 6  Maintenance and inspections (continued)
GPS
1 GPS TXA Transmission data from the GPS unit to the camera
2 GPS RXA Transmission data from the camera to the GPS unit
4 REC START SW Control signals of REC start/stop
5 GPS VCC Power supply connector for the GPS unit (DC+3.3 V)
6 GPS GND GND 3 GPS VBAT Backup power supply connector for the GPS unit(DC+3.3 V)
Matsushita part number K1AY106J0001
Maker part numberHR10A-7R-6SC(73)(Hirose Denki)

1
2
4
5
6
3

Matsushita part number K1AY112JA001...

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6
Chapter 6  Maintenance and inspections (continued)
Matsushita part number K1GB25A00010
Maker part number HDBB-25S (05)(Hirose Denki)

13 1
14
25

Unislot Interface
1 CH-1 SHIELD GND
2 CH-1 HOT Audio input from the wireless receiver: HOT
4 GND GND
5 +12V UNREG Power supply to the wireless receiver
6 RX ON Power supply remote output to the wireless receiver
7 RF WARN RF warning input from the wireless receiver
8 RM5 Not used
9 RM4 Not used
10 SPARE 1 Not used
11 SPARE 2 Not used
12 EXT CLK Not used...

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5. HUMID
WARNING lampLights for 90 minutes following the release of the
condensation detection after the condensation
formation was detected.
Indications on LCD
screen“
HUMID ” display lights if condensation is
detected.
“ HUMID ” display flashes for an additional 10 to
90 minutes after condensation detection is
canceled.
Tally lamp Flashes 4 times per second for 90 minutes after
condensation detection is canceled.
Viewfinder“HUMID ” display flashes from the time
condensation is detected until 90...

99
6
6. SERVO
8. WIRELESS RF
WARNING lampFlashes four times a second (during recording
and playback).
Indications on LCD
screen“
SERVO ” display lights (during recording and
playback).
Tally lamp Flashes four times a second (during recording
and playback).
Viewfinder“SERVO ” display lights (during recording and
playback).
Alarm Sounds four times a second (during recording
and playback).
Warning descriptionThe servo is disturbed.
VTR unit operationOperation continues but the unit may not operate...

100
6-3-3 Emergency eject
If the cassette cannot be ejected by pressing the EJECT button, use a sc\
rewdriver or similar tool to press and turn the
emergency eject screw.  This enables the cassette to be removed.
1Set the power to OFF.
4Remove the cassette.
5Return the rubber cap to its original position.
2Remove the rubber cap where shown in the figure.
Insert a Phillips head screwdriver into the cross-shaped
part of the emergency eject screw (red).
3While pushing in with the screwdriver, turn the...