Panasonic Multi Format Digital Hd Video Cassette Recorder Ajhd3700b Operating Instructions

							– 51 –
C
A
B A’ (S, M)
(L)
Troubleshooting
Loading motor (In this VTR, turn the blades
(black) which are provided in
front of the pulley.)
View of inside as
seen through hole B
Insert the
screwdriver
here.
Cause and countermeasure
Has the mode been changed on another menu?
≥The mode selected last has priority.
≥REC INHIBIT takes priority in the following
sequence: CASSETTE, HOME and
MANUAL/AUTO EDIT SET UP.
Therefore, signals cannot be recorded if the REC
INHIBIT status has been established on the
cassette tape itself.
≥Check that the CONTROL switch is at LOCAL.
≥Check that the cassette pins are set to the
recording enable status.
Symptom
VTR fails to operate as per the
mode selected on the menu
screen.
VTR fails to operate even when a
function button is pressed.
Recording and/or editing cannot
be performed.
How to eject the tape in an emergency
1. Remove four screws from both sides of the front panel and then remove the VTR’s top panel.
2. The mechanism is moved in the unloading direction by turning the loading motor clockwise.
Since tape slack now develops, proceed with the following 4 steps to take up the tape.
3. Insert a screwdriver into hole A (for an S or M cassette) or hole A’ (for an L cassette), and
press the manual lever of the take-up reel. The tape will be taken up by pressing this lever.
4. Remove the tape from the cylinder by performing the operations in steps 2 and 3. (When
turning the loading motor, keep turning it until the position is reached where it will turn no fur-
ther.  Bear in mind that turning the motor past this position will cause the gear engagement
to fail and/or other problems.)
5. To release the sub-loading, insert a screwdriver or other tool into hole B, and while turning it
clockwise, take up the tape by performing the operation in step 3. (Bear in mind that contin-
uing to turn the screwdriver even after the sub-loading status has been released will cause
the gear engagement to fail and/or other problems.)
6. Check that all the tape has been taken up, and that its unloading has been completed.  In
order to eject the cassette, insert a screwdriver or other similar tool into hole C, and turn it
counterclockwise. (Bear in mind that continuing to turn the screwdriver even after the cas-
sette has been ejected will cause the gear engagement to fail and/or other problems.) 
						

							– 52 –
DIP switch
AV microcomputer DIP switch specifications
SW6501
1
2
3
4
5
6
7
8
ON (0)
Normal
Normal
——
OFF (1)
Normal
Normal
Normal
Normal
——
——
Normal
Normal
Remarks
Not used
Not used
Not used
Not used
Keep this switch at the factory setting.
Keep this switch at the factory setting.
Keep this switch at the factory setting.
Keep this switch at the factory setting.
Remarks
Keep it at the factory setting.
For test purposes.
[This sets whether to accept or prohibit the selection of
the editing mode when the X-value adjustment master
tape (D3 recorded tape) has been loaded.]
For test purposes.
The D3 cassette holes are detected, and the cassette
is forcibly ejected automatically.
For test purposes.
For test purposes.
SW6071
1
2
3
4
6
7
8
ON
Normal
Ejected
——
——
OFF
Normal
Prohibited
Normal
Not ejected
Normal
Normal
SYSCON microcomputer DIP switch specifications
History: No.6: From SYSCON Ver.0.12 The underlining indicates the factory settings.
SERVO microcomputer DIP switch specifications
SW2001
1
2
3
4
Purpose
For AT adjustments
For AT adjustments
For AT adjustments
For AT adjustments
ON
When adjusting
When adjusting
When adjusting
When adjusting
OFF
At all other times
At all other times
At all other times
At all other times
CAUTION:
These servicing instructions are for use by qualified service personnel only. To reduce the risk of
electric shock do not perform any servicing other than that contained in the operating instructions
unless you are qualified to do so. 
						

							– 53 –
Specifications
1 indicates safety information.
Power supply AJ-HD3700BP: AC 120V, 50 – 60 Hz
AJ-HD3700BE: AC 220 – 240V, 50 – 60 Hz
Power consumption: 260W
General
Permissable ambient 
operating temperature41 °F to 104 °F (5 °C to 40 °C)
Permissable ambient
operating humidity10% to 90% (no condensation)
Weight69.96 Ibs (31.8 kg)
Dimensions16
3/4˝ (W) k811/16˝ (H) k201/2˝ (D) mm (424 k 220 k 520 mm)
(Excluding feet, jacks, jog dial and fan)
Recording formatsHD: HDD5 (Video Compression Intra-Field DCT iVLC) 
SD: D5 (Non-Compression Digital Component Recording)
Video signals recorded1080/23.98p, 1080/24p, 1080/25p, 1080/59.94i, 720/59.94p, 1080/50i,
576/50i, 480/59.94i switching
Audio signals recorded48 kHz, 20 bits, 4 channels (480/95.94i, 1080/59.94i, 720/59.94p) 
48 kHz, 24 bits, 8 channels (1080/23.98p, 1080/24p, 1080/25p, 1080/50i,
1080/59.94i, 720/59.94p, 576/50i, 480/59.94i)
Recording tracksDigital video audio: 12 tracks/field; 1080/23.98p, 1080/24p, 1080/25p,
1080/50i, 1080/59.94i, 720/59.94p,
480/59.94i
16 tracks/field; 576/50i
Cue track: 1 track
Time code track: 1 track
Control track: 1 track
Tape speed185.995 mm/sec. (576/50i)
167.228 mm/sec. (1080/59.94i, 720/59.94p, 480/59.94i) 
139.496 mm/sec. (1080/50i, 1080/25p) 
133.782 mm/sec. (1080/23.98p, 1080/24p)
Tapes usedD5 cassette tapes
Maximum recording timeWhen the AJ-D5C124LP is used: 112 min. (576/50i)
124 min. 
(1080/59.94i, 720/59.94p, 480/59.94i)
149 min. (1080/50i or 1080/25p)
155 min. (1080/23.98p, 1080/24p)
Fast forward/rewind timeApprox. 195 sec. (using AJ-D5C124LP, 1080/59.94i, 576/50i or
480/59.94i)
Approx. 234 sec. (using AJ-D5C124LP, 1080/50i, 1080/25p)
Approx. 244 sec. (using AJ-D5C124LP, 1080/23.98p or 1080/24p)
Search speedMax. n50 times normal speed (color)
AT playback rangej1 to i2 times normal speed
Editing accuracyn0 frame (using time code)
Tape timer accuracyn1 frame (using continuous CTL signal)
Servo lock timeLess than 1 sec. (in standby ON/2F AUTO) 
						

							– 54 –
Specifications
Video system
Sampling frequency/
quantizingHD: Y: 74.176 MHz; P
B/PR: 37.088 MHz/10 bits
SD: Y: 13.5 MHz; P
B/PR: 6.75 MHz/10 bits
Video compression system 
(with HD)Intra-Field DCT iVLC
Video compression rate
(with HD)1/4
Error correctionReed-Solomon product code
Data rates323 Mbps (1080/59.94i/8CH, 720/59.94p/8CH, 480/59.94i/8CH
319 Mbps (576/50i/8CH)
300 Mbps (1080/59.94i/4CH, 720/59.94p/4CH, 480/59.94i/4CH)
258 Mbps (1080/23.98p/8CH, 1080/24p/8CH)
269 Mbps (1080/50i/8CH, 1080/25p/8CH, 576/50i/8CH)
Samples tactive lines (HD)
1080/59.94i, 1080/23.98p, 1080/24p, 1080/25p, 1080/50i: 1920 k1080/frame
720/59.94p: 1280 
k720/frame
SD video format525 lines/59.94 fields/2:1 interlace (SMPTE 259M)
625 lines/50 fields/2:1 interlace (ITU-R BT.656-4)
Input connectors
HD serial input1.5 Gbps (Embedded Audio, TC), SMPTE 291M/292M standards 
complied with (BNC k2 active through)
SD serial input4:2:2 component SDI (SMPTE 259M/272M/ITU-R BT.656-4 standards
complied) 
(BNC k2 active through)
HD reference inputAnalog tri-level sync (n0.3V), loop through, 75 ohms, ON/OFF switchable
(BNC k2)
SD reference inputAnalog composite, loop through, 75 ohms, ON/OFF switchable (BNC k2)
Output connectors
HD serial output1.5 Gbps
Superimposing possible for monitor OUT (BNC k4)
SD serial outputComponent SDI output (SMPTE 259M/272M/294M°/ITU-R BT.656-4
standards complied with) (BNC k3)
Superimposing possible for monitor OUT
°525p mode output (excluding monitor output) with 1080/23p or 720/59.94p system
HD reference outputAnalog HD tri-level sync (n0.3 V) (BNC k1)
SD reference outputBlack burst (BNC k1)
Analog composite outputVideo 1/video 2/video 3 (superimposing ON/OFF) (BNC k3)
Video adjustment ranges
HD SDI Y output gainj¶–i3 dB
HD SDI P
Boutput gainj¶–i3 dB
HD SDI P
Routput gainj¶–i3 dB
HD SDI Y black leveln100 mV
HD SDI output system phasen0.5 H (1 sample l13.5 ns)
SD SDI Y output gainj¶–i3 dB
SD SDI P
Boutput gainj¶–i3 dB
SD SDI P
Routput gainj¶–i3 dB
SD SDI black leveln100 mV
SD SDI output system phasej2.5 HTi1.5 H 
						

							– 55 –
Specifications
Composite video output 
Y gainj¶–i3 dB (synchronized to SD SDI)
Composite video output 
P
B/PRgainj¶–i3 dB (synchronized to SD SDI)
Composite video output 
setupn14 IRE (synchronized to SD SDI)
Composite video output 
system phasen0.5 H
Composite video output SYS 
SC phasemore than n180 °
Audio
Sampling frequency48 kHz (synchronized to video)
Quantizing1080/23.98p, 1080/24p, 1080/25p, 1080/50i and 576/50i: 24 bits
20 or 24 bits selected for 1080/59i, 720/59.94p and 480/59.94i
Frequency response20 Hz to 20 kHz n0.5 dB (reference level)
Dynamic rangeMore than 100 dB (1 kHz, emphasis OFF): 20 bits
More than 105 dB (1 kHz, emphasis OFF): 24 bits
DistortionLess than 0.03% (1 kHz, emphasis OFF, reference level): 20 bits
Less than 0.01% (1 kHz, emphasis OFF, reference level): 24 bits
CrosstalkLess than j80 dB (1 kHz, between 2 channels)
Wow & flutterBelow measurable limits
Headroom20 dB/18 dB switchable
Cue track 
Frequency response100 Hz to 12 kHz n3.0 dB
Audio input connectors
Analog input (CH1 – CH4)i4/0/j20 dBm (dBu) switchable (with 600 ≠load), 600 ≠/high impedance
(switchable) (XLR k4)
Digital inputAES3 format (75 ohms, unbalanced) (BNC k4)
(CH1/CH2, CH3/CH4,(No operation for CH5/CH6 and CH7/CH8 in 480/59.94i/4CH,
CH5/CH6, CH7/CH8)1080/59i/4CH or 720/59p/4CH format)
Cue track inputi4/0/j20 dBm (dBu) switchable (with 600 ≠load), 600 ≠/high impedance
(switchable) (XLR k1)
Audio output connectors
Analog output (CH1 – CH4)i4/0/j20 dBm (dBu) switchable (with 600 ≠load), low impedance (XLR k4)
Digital outputAES3 format (75 ohms, unbalanced) (BNC k4)
(CH1/CH2, CH3/CH4, [When the 1080/59.94i/4CH, 720/59p/4CH or 480/59.94i/4CH format is
CH5/CH6, CH7/CH8)selected, either no sound is output or the sound of CH1/CH2 and
CH3/CH4 is copied and output as the sound for CH5/CH6 and CH7/CH8.
(AUTO COPY function)]
Cue track outputi4/0/j20 dBm (dBu) switchable (with 600 ≠load), low impedance (XLR k1)
Monitor outputL/R, i4/0/j20 dBm (dBu) switchable (with 600 ≠load), low impedance 
(XLR k2)
Headphone outputLevel variable
(dBu): applied for AJ-HD3700BE. 
						

							– 56 –
Specifications
Audio adjustment ranges
Audio input gainj¶–i12 dB
Audio output gainj¶–i12 dB
Monitor output gainj¶–i12 dB (when coupled to headphone control)
Headphone output gainj¶–i12 dB
Other input/output signals
Time code input2.4 V n1.4 V [p-p], 10 k≠, balanced (XLR k1)
Time code output2.0 V n0.5 V [p-p], low impedance, balanced (XLR k1)
RS-422A inputRS-422A interface (D-Sub 9P k1)
RS-422A outputRS-422A interface (D-Sub 9P k1)
RS-422A input/outputRS-422A interface (D-Sub 9P k1)
RS-232CRS-232C interface (D-Sub 25P k1)
Parallel input/outputParallel communication (D-Sub 50P k1)
V/A controlVideo remote control (D-Sub 15P k1)
Control panelFor connecting front control panel (20P k1)
Accessory (supplied)
Power cord (1)
Optional accessory
AJ-MA37PRack-mountaing adapter
Weight and dimensions when shown are approximate.
Specifications are subject to change without notice. 
						

							– 57 – 
						

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