Panasonic Digital Hd Video Cassette Recorder Ajhd1700 Operating Instructions

							121
Error messages
Display•Description
•VTR operation and remedial action
T REEL
TORQUE ERRIf an abnormal torque applied to the take-up reel motor
is  detected,  the  AUTO  OFF  lamp  lights,  and  the
message display blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
S REEL
TORQUE ERRIf an abnormal torque applied to the supply reel motor
is  detected  or  if  an  abnormal  current  flowing  to  the
current-sensing  resistor  is  detected,  the  AUTO  OFF
lamp lights, and the message display blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
If the error message display persists even after the
VTR  has  been  shut  down  and  started  up  again,
consult your dealer.
UNLOAD
ERRORIf the tape has not been wound up during unloading,
the AUTO OFF lamp lights, and the message display
blinks.
VTR: Stops.
• Set the POWER switch to OFF and then back to ON
again.
WINDUP
ERRORIf, after the total tape amount has been detected, the
amount of tape wound up onto the take-up reel and the
amount of tape supplied by the supply reel differ to an
abnormal extent while the tape is traveling, the AUTO
OFF lamp lights, and the message display blinks.
VTR: Stops.
• Set the POWER switch to OFF and then back to ON
again.
W-UP REEL
NOT ROTAIf, after the cassette has been inserted, the tape take-
up reel has not wound up the tape while the total tape
amount is not detected and while the tape is traveling,
the AUTO OFF lamp lights, and the message display
blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
Error messages
S-FF/REW
TIMEOVERWhen the tape start or end processing operation is not
completed,  the  AUTO  OFF  lamp  lights,  and  the
message display blinks.
VTR: Stops.
• Set the POWER switch to OFF and then back to ON
again.
T REEL ROTA
TOO FASTIf the take-up reel motor rotates at an abnormally fast
rate,  the  AUTO  OFF  lamp  lights,  and  the  message
display blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
S REEL ROTA
TOO FASTIf the supply reel motor rotates at an abnormally fast
rate,  the  AUTO  OFF  lamp  lights,  and  the  message
display blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
Display•Description
•VTR operation and remedial action
FRONT LOAD
MOTORIf the cassette fails to move up even after 6 seconds
have elapsed since the VTR transferred to the EJECT
mode, the AUTO OFF lamp lights, and the message
display blinks.

If the cassette fails to move down even after 6 seconds
have elapsed since the cassette was inserted, the VTR
transfers to the EJECT mode.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
LOADING
MOTORIf the unloading operation fails to be completed within 6
seconds, the AUTO OFF lamp lights, and the message
display blinks.
  
If the loading operation fails to be completed within 6
seconds,  the  VTR  transfers  to  the  EJECT  mode
(unloading mode).
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
REEL DIR
UNMATCHIf  the  take-up  reel  motor  is  running  in  the  reverse
direction, the AUTO OFF lamp lights, and the message
display blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
REEL
TENSION
ERRORIf an abnormal tension at the supply side is detected in
the  reel  mode,  the  AUTO  OFF  lamp  lights,  and  the
message display blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
SERVO COMM
ERRORWhen  the  servo  microcomputer  does  not  follow  the
instructions of the system control microcomputer even
after 10 seconds have elapsed, the AUTO OFF lamp
lights, and the message display blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
SERVO
CONTROL
ERRORWhen  there  is  no  response  from  the  servo
microcomputer for 1 or more seconds, the AUTO OFF
lamp lights, and the message display blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
SERVO
ERRORWhen only the servo microcomputer was reset in an
instantaneous power failure, etc., the AUTO OFF lamp
lights, and the message display blinks.
VTR: Stops.
• Set the POWER switch to OFF and then back to ON
again. 
						

							122
The  VTR  can  be  operated  by  commands  when  the
RS-232C interface is used.  (Refer to the command
tables on page 125 and 126.)
∫
Condition for acknowledging
commands from RS-232C interface
Setup menu item No.204 (RS232C SEL): ON
If  the  above  condition  is  not  met,
[ACK]+[STX]ER001[EXT] is returned to the external
component.  Whether [ACK] is returned depends on
the setting which has been selected for setup menu
item No.209 (RETURN ACK).
Hardware specifications
External interface specifications
RS-232C interface
•Connector pin specifications
Connector: D-SUB 25-pin 
(crossover cable supported)
Pin No. Signal Description
1FG Protective ground (frame ground)
2RXD Received data (data is sent to PC)
3TXD Transmitted  data  (data  is  received
from PC)
4CTS Clear to send (shorted with pin 5)
5RTS Request to send (shorted with pin 4)
6DTR Data terminal ready (no processing)
7SG Signal ground
20DSR Data set ready (+ voltage output after
communication enable status)
•Example of connection with controller (PC)
(Using  crossover  cable  with  D-SUB  25-pin
connectors)
PC side
(D-SUB 25-pin connector)   VTR side
FG
TXD
RXD
RTS
CTS
DSR
SG
DTR1
2
3
4
5
6
7
20FG
RXD
TXD
CTS
RTS
DTR
SG
DSR 1
2
3
4
5
6
7
20
(Using crossover cable with D-SUB 9-pin and D-
SUB 25-pin connectors)
PC side
(D-SUB 9-pin connector)   VTR side
kjy
Mjy
yMk
Lz
yLk
kML
.MLR
B
Z
w
>
1
3•z
kjy
Mjy
.ML
kML
yMk
Lz
yLk S
R
B
Z
w
>
1
RK 
						

							123
Software specifications (protocol)
1.Communication parameters
RS-232C interface
Communication
system Asynchronous, full duplex
Transfer rate300, 600, 1200, 2400, 4800 or 9600bps
Bit length 7 bits or 8 bits
Stop bit 1 bitor 2 bits
Parity bit None, odd or even
ACK codeReturnedor not returned
  
ACK  is  the  code  which  is  returned  from  the
VTR  to  the  controller  when  data  has  been
successfully sent from the controller.
The underlining (__) denotes the factory setting mode.
Communication
parameterSetup menu item
Transfer rateNo.205 BAUD RATE
Bit length No.206 DATA LENGTH
Stop bit No.207 STOP BIT
Parity bit No.208 PARITY
ACK codeNo.209 RETURN ACK
Any changes to the settings can be made using the
setup menu items listed below.
2. Send format 
[controller (PC) >
VTR]
∫
Data format
[STX] [command] [:] [data] [ETX]
02h XX XX XX 3Ah XX.....
XX 03h
20H
						

							124
RS-232C interface
3. Return format 
[VTR >
controller (PC)]
The  following  responses  are  made  to  the
commands.    If  necessary,  more  than  one
response is made.
∫
When  the  communication  has  ended
successfully
1. The receive completion message is returned.
[ACK]
06h
2. The  execution  completion  message  is
returned.
[STX] [command] [data] [ETX]
02h XX XX XX XX.....
XX 03h
[command]:
This is the message (data) which is returned
or  the  execution  completion  message
identifier.
[data]:
This is the data to be returned.  It can be
omitted.
Example: 
Send command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Return message (data)
[STX] OPL [ETX]  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
[ACK] [STX] OPL [ETX]
∫
When  the  communication  has  ended
unsuccessfully
[NACK]
15h
∫
When  processing  is  not  possible  due  to
incorrect data or problem with the VTR
1. The receive completion message is returned.
[ACK]
06h
2. An error code is returned.
[STX] [E R N
1N2N3][ETX]
02hError code03h
4. Error code table
ER001:Invalid command
• Unsupported command received
• Command execution error
ER002:Parameter error
ER102:VTR mode error 
(front loading motor)
ER103:VTR mode error (loading motor)
ER104:VTR mode error (drum, capstan system)
ER105:VTR mode error (reel system)
ER106:VTR mode error (tension system)
ER108:VTR condensation error
ER1FF:VTR system error 
						

							125
RS-232C interface
5. Command table
∫
Commands relating to operation control
 
• As the return (completion) message, [ACK] is
returned  when  data  is  received,  and  only  the
execution  message  which  is  subsequently
returned is listed in the table.
• If a command not listed in the table is received,
ER001  (invalid  command)  is  returned  after
[ACK].
VTR
operationSend command
STOP[STX] OSP [ETX]
45[STX] OSP [ETX]
This command is for stopping the tape transport.
The resulting output picture and sound statuses
differ  according  to  the  setting  selected  for  the
setup menu item No.105 (AUTO EE SEL).
For details, refer to the setup menus.Return (completion)
message
STANDBY
OFF[STX] OBF [ETX]
45[STX] OBF [ETX]
This command is for setting the VTR to standby
OFF.
STANDBY ON[STX] OBN [ETX]
45[STX] OBN [ETX]
This command is for setting the VTR to standby
ON. VTR
operationSend command
SHTL
FORWARD[STX] OSF:data [ETX]45[STX] OSF [ETX]
This is the forward direction shuttle command.
data = n: speed data
0: STILL
1:
k0.03
2:
k0.1
3:
k0.2
4:
k0.5
5:
k1
6:
k2.0
(1.85
kfor formats other than
DVCPROHD-LP)
7:
k4.9
8:
k9.8
9:
k16
A:
k32
  
The 16
kand 32kspeeds differ according to the
setting  selected  for  setup  menu  item  No.101
(SHTL MAX).Return (completion)
message
SHTL
REVERSE[STX] OSR:data [ETX]45[STX] OSR [ETX]
This is the reverse direction shuttle command.
data = n: speed data
0: STILL
1:
k0.03
2:
k0.1
3:
k0.2
4:
k0.5
5:
k1
6:
k2.0
(1.85
kfor formats other than
DVCPROHD-LP)
7:
k4.9
8:
k9.8
9:
k16
A:
k32
  
The 16
kand 32kspeeds differ according to the
setting  selected  for  setup  menu  item  No.101
(SHTL MAX).
EJECT[STX] OEJ [ETX]
45[STX] OEJ [ETX]
This command is for ejecting the cassette tape.
The resulting output picture and sound statuses
differ  according  to  the  setting  selected  for  the
setup menu item No.105 (AUTO EE SEL).
For details, refer to the setup menus.
PLAY[STX] OPL [ETX]
45[STX] OPL [ETX]
This command is for starting playback.
REWIND[STX] ORW [ETX]
45[STX] ORW [ETX]
This  command  is  for  rewinding  the  tape.    The
resulting output picture and sound statuses differ
according  to  the  setting  selected  for  the  setup
menu item No.105 (AUTO EE SEL). 
The  maximum  speed  differs  according  to  the
setting selected for the setup menu item No.102
(FF. REW MAX).
For details, refer to the setup menus.
FAST
FORWARD[STX] OFF [ETX]
45[STX] OFF [ETX]
This  command  is  for  fast  forwarding  the  tape.
The resulting output picture and sound statuses
differ  according  to  the  setting  selected  for  the
setup menu item No.105 (AUTO EE SEL). 
The  maximum  speed  differs  according  to  the
setting selected for the setup menu item No.102
(FF. REW MAX).
For details, refer to the setup menus.
REC[STX] ORC [ETX]
45[STX] ORC [ETX]
This command is for starting recording. 
						

							126
RS-232C interface
∫
Commands relating to inquiries
 
• In  terms  of  the  return  (completion)  message,
[ACK] is returned when data is received, and
only  the  execution  message  which  is
subsequently returned is listed in the table.
• In the case of commands not listed in the table
below,  ER001  (invalid  command)  is  returned
after [ACK].
VTR
operationSend command
CTL/TC DATA
REQUEST[STX] QCD [ETX]
45[STX] CD data [ETX]
This command is for inquiring about the counter
value.
data = f w gh mm ss ff
f=F
w=S
gh =
With CTL:
g = SP(20h): for a plus display 
j(2Dh): for a minus display 
h = 0 to 9: hours
With TC:
gh = 00 to 23: hours
mm = 00 to 59: minutes
ss = 00 to 59: seconds
(525i system)
ff = 00 to 29: frames
  
CTL or TC is returned, whichever corresponds to
the front display mode.Return (completion)
message
STATUS
REQUEST[STX] QOP [ETX]
45[STX] 
222[ETX]
This command is for inquiring about the VTR’s
operation mode.
222= OEJ: EJECT
OFF: FAST FORWARD
OPL: PLAY
ORC: REC
ORW: REWIND
OSP: STOP (including STANDBY ON)
SRS: (IN/OUT) PREROLL
OBF: STAND BY OFF
OSF: SHTL FORWARD
OSR: SHTL REVERSE
OJG: JOG FORWARD/REVERSE
OSW: VAR FORWARD/REVERSE
EAE: AUTO EDIT
EON: EDIT ON (MANUAL EDIT)
EPV: PREVIEW
ERV: REVIEW
ID (VTR No.)
REQUEST[STX] QID [ETX]
45[STX] data [ETX]
This  command  is  for  inquiring  about  the  VTR
used.
data = AJ-HD1700 
						

							127
RS-232C interface
∫
Microsoft QuickBASIC sample program
CLS
STX$ = CHR$(&H2): ETX$ = CHR$ (&H3): NAK$ = CHR$(15): ACK$ = CHR$(&H6)
PRINT *** RS-232C COMMUNICATION SAMPLE PROGRAM ***
PRINT Type Command QUIT to quit.
PRINT
REM *** Communication Port Initial & Open ***
REM Port 1,9600Bps,No parity,8 bit data,1 stop bit
OPEN COM1:9600,N,8,1 FOR RANDOM AS #1 LEN = 256
REM *** Input Command & Send Command ***
SendCmd:
INPUT Input Command =; SEND$
IF SEND$ = QUIT THEN GOTO ProgEnd
PRINT #1, STX$ + SEND$ + ETX$
REM *** Wait for Receive Command ***
WHILE LOC(1) = 0
WAITKEY$ = INKEY$
IF WAITKEY$ = Q THEN PRINT *** Quit ***: GOTO ProgEnd
WEND
REM *** Receive Command ***
RecvCmd:
RECV$ = INPUT$(1, #1)
IF RECV$ = STX$ THEN RECV$ = [Stx]
IF RECV$ = ACK$ THEN RECV$ = [Ack]
IF RECV$ = NAK$ THEN RECV$ = [Nak]
IF RECV$ = ETX$ THEN BUFFER$ = BUFFER$ + [Etx]: GOTO DispOut
BUFFER$ = BUFFER$ + RECV$
GOTO RecvCmd
REM *** Output Receive Command ***
DispOut:
PRINT Receive Command =; BUFFER$
PRINT
BUFFER$ = 
GOTO SendCmd
REM *** End Program ***
ProgEnd:
CLOSE
END
Microsoft QuickBASIC is a trademark of Microsoft Corporation. 
						

							128
Connector signals
VIDEO IN
HD SERIAL IN
(DIGITAL)BNC k1, active-through (BNC k1)
HD REF IN
BNC k2,  loop-through,  75™
termination
switch provided
SD REF IN
BNC k2,  loop-through,  75™
termination
switch provided
SD SERIAL IN
(DIGITAL)BNC k1, active-through (BNC k1) (board,
option)
SDTI IN
BNC k
1 (board, option)
VIDEO OUT
HD SERIAL OUT
(DIGITAL)BNC k 4
SD SERIAL OUT
(DIGITAL)BNC k 2
VIDEO OUT
BNC k 3
HD REF OUT
BNC k 1
SD REF OUT
BNC k 1
SDTI OUT
BNC k1 (board, option)
AUDIO IN
HD SERIAL IN
(DIGITAL)BNC k1, active-through (BNC k1)
AUDIO IN
(DIGITAL)BNC k 4 (CH1/CH2, CH3/CH4, CH5/CH6,
CH7/CH8), AES/EBU format
AUDIO IN
(ANALOG)XLR k 4 (CH1, CH2, CH3, CH4)
CUE IN
XLR k 1
TIME CODE IN
XLR k 1
SD SERIAL IN
(DIGITAL)BNC k1, active-through (BNC k1) (board,
option)
AUDIO OUT
HD SERIAL OUT
(DIGITAL)BNC k 4
AUDIO OUT
(DIGITAL)BNC k 4 (CH1/CH2, CH3/CH4, CH5/CH6,
CH7/CH8), AES/EBU format
AUDIO OUT
(ANALOG)XLR k 4 (CH1, CH2, CH3, CH4)
CUE OUT
XLR k 1
TIME CODE OUT
XLR k 1
MONITOR OUT
XLR k 2 (L, R)
HEADPHONES
(front) 1/4-inch (6.5 mm)
SD SERIAL OUT
(DIGITAL)BNC k 2
RS-422A REMOTE (9P)
OREMOTE IN/OUT
Pin No. Signal
1FRAME GROUND
2TRANSMIT A
3RECEIVE B
4RECEIVE COMMON
5
====
6TRANSMIT COMMON
7TRANSMIT B
8RECEIVE A
9FRAME GROUND
OREMOTE OUT
Pin No. Signal
1FRAME GROUND
2RECEIVE A
3TRANSMIT B
4TRANSMIT COMMON
5
====
6RECEIVE COMMON
7RECEIVE B
8TRANSMIT A
9FRAME GROUND 
						

							CUE INPUT IMPEDANCE SW
This sets the CUE input impedance.
HIGH/600™
129
Connector signals
PARALLEL REMOTE (50P )
Refer to 50P IN/OUT ASSIGN on the function menu
(page 75) for the connection pin signals.
ENCODER REMOTE(15P)
Pin No. Signal
1FRAME GROUND
4REM (G)
7REM RX (X) 
REMOTE CONTROL PROTOCOL RECEIVE
8REM TX (X)REMOTE CONTROL PROTOCOL TRANSMIT
14REM RX (Y)
REMOTE CONTROL PROTOCOL RECEIVE
15REM TX (Y)REMOTE CONTROL PROTOCOL TRANSMIT
RS-232C 
(D-SUB 25-pin, crossover cable supported)
Pin No. Signal Description
1FG Protective ground (frame ground)
2RXD Received data (data is sent to PC)
3TXD Transmitted  data  (data  is  received
from PC)
4CTS Clear to send (shorted with pin 5)
5RTS Request to send (shorted with pin 4)
6DTR Data terminal ready (no processing)
7SG Signal ground
20DSR Data set ready (+ voltage output after
communication enable status)
Printed circuit boards
F1 board (ADDA)
Switch No. What is set
SW1
SW101 AUDIO INPUT IMPEDANCE SW
This sets the CH2 audio input impedance.
HIGH/600™
SW201 AUDIO INPUT IMPEDANCE SW
This sets the CH3 audio input impedance.
HIGH/600™
SW301 AUDIO INPUT IMPEDANCE SW
This sets the CH4 audio input impedance.
HIGH/600™
The underlining (__) denotes the factory setting mode.AUDIO INPUT IMPEDANCE SW
This sets the CH1 audio input impedance.
HIGH/600™
H3 board (CUE)
Switch No. What is set
SW101
CAUTION:
These  servicing  instructions  are  for  use  by
qualified service personnel only.  To reduce the
risk of fire or electric shock do not perform any
servicing  other  than  that  contained  in  the
operating instructions unless you are qualified
to do so. 
						

							130
[GENERAL]
indicates the safety information.
Power supply:  AC 100–240V, 50–60 Hz (AJ-HD1700P)
AC 100–240V, 50–60 Hz (AJ-HD1700E)
Power consumption: 240W
Operating ambient temperature: 
41x
F to 104x
F (5x
C to 40x
C)
Operating ambient humidity: 
10% to 80% (no condensation)
Weight: 
Approx. 48.4 lbs (22 kg)
Dimensions (W k
H k
D): 
16-3/4 (max. 17-3/16 ) k
6-15/16 k
17-11/16 inches 
(not including supporting feet, jacks and connectors, JOG
dial and fan)
424 (max. 435.4) k
175.2 k
448.9 mm
Recording format: 
DVCPRO HD-LP
Video signals recorded: 
1080i (50/59.94/60 Hz switchable)
720p (59.94/60 Hz switchable)
480i/59.94 Hz
576i/50 Hz (when optional board AJ-UC1700G is installed)
Audio signals recorded: 
48 kHz, 16 bits, 8 channels
Recording tracks:   
Digital video/audio:
helical tracks
(Time code is recorded in sub-code area.)
Cue track: 
1 track
Control track: 
1 track
Tape speed:  
67.64 mm/sec. (in 59.94 Hz mode)
67.70 mm/sec. (in 60 or 50 Hz mode)
Tape used: 
Metal tape
Recording time: 
126 minutes (using XL cassette)
92 minutes (using L cassette)
32 minutes (using M cassette)
FF/REW time: 
Approx.  1  min.  30  sec.  (when  XL  cassette  is  used  and
i
100k
or j
100k
speed is selected)
Search speed: 
d
100k
Digital slow: 
j
1k
to i
2k
(when playing back tapes recorded using the
DVCPRO HD-LP format)
j
1k
to i
1.1k
(when playing back tapes recorded using
any other format)
Editing accuracy:
d
0 frames (when time code is used, in 50 Hz, 59.94 Hz or
60 Hz mode)
Tape timer accuracy: 
d
1 frame (when continuous CTL signal is used)
Servo lock time: 
Less than 0.3 sec. (from standby ON)
Specifications
[VIDEO]
Sampling frequencies:
Y: 74.25 MHz, Pb/Pr: 37.125 MHz
Quantizing: 
8 bits
Video compression method: 
DCT i
variable length code
Video compression rate: 
1/6.7
Error correction: 
Reed-Solomon product code
Video recording bit rate: 
100 Mbps
Video Input Connectors
HD serial digital input: 
BNC k
1 (complies with SMPTE 292M standard), 
BNC k
1 (active-through)
SD serial digital input (option): 
BNC k
1 (complies with SMPTE 259M-C standard), 
BNC k
1 (active-through)
SDTI input (option): 
BNC k
1 (complies with SMPTE 305M/SMPTE 321M
standards)*
HD reference input: 
BNC k
2 (loop-through), 75™
ON/OFF selectable
SD reference input: 
BNC k
2 (loop-through), 75™
ON/OFF selectable
Video Output Connectors
HD serial digital output: 
BNC k
3 (complies with SMPTE 292M standard), 
BNC k
1 (monitor output with superimposed display)
SD serial digital output: 
BNC k
1 (complies with SMPTE 259M-C/SMPTE 294M
standards),
BNC k
1 (monitor output with superimposed display)
SDTI output (option): 
BNC k
1 (complies with SMPTE 305M/SMPTE 321M
standards)
HD reference output: 
BNC k
1
SD reference output: 
BNC k
1
Analog composite output: 
BNC k
3,  VIDEO  1,  VIDEO  2  (WFM  OUT),  VIDEO  3
(superimposed  ON/OFF),  output  during  SD  playback  or
during down-conversion
* The optional AJ-UC1700G SD serial digital input board and
optional AJ-YAC150P SDTI input board cannot be installed at
the same time.  Install one or the other.
Loading time: 
Approx. 4 sec.
Audio split editing: 
Provided