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Leader LV 5152DA Instruction Manual

Hd digital waveform monitor
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LEADER
equipme
1-877-742-TEST
(8378)
HD DIGITAL
WAVEFORM
MONITOR
INSTRUCTION
MANUAL
noooaonoamo
LV 5152DA
ooa
OOOOOOOOOOIO
LEADER
ELECTRONICS
CORP.

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  • Page 1 LEADER equipme 1-877-742-TEST (8378) HD DIGITAL WAVEFORM MONITOR INSTRUCTION MANUAL noooaonoamo LV 5152DA OOOOOOOOOOIO LEADER ELECTRONICS CORP.
  • Page 2 TABLE OF CONTENTS GENERAL SAFETY SUMMARY INTRODUCTION 1 1 Scope of Warranty 1.2 Operating Precautions. 1.2.1 Line Voltage and Fuse 1.2.2 Maximum Allowable Input Voltage 1.2.3 Installation 1.2.4 1.2.5 Last Memory and Default Setting 1.2.6 Cabinet 1.2.7 Calibration SPECIFICATIONS 2.1 Description Features 2.3 Basic Operation Mode and Pricipal Functions 2.3.1 Basic Operation Mode...
  • Page 3 PANEL DESCRIPTION Front Panel Rear Panel Graticules 3.3.1 Waveform Monitor 3.4 Vectorscope 3.4.1 External Graticule 3.4.2 Electronic Graticule OPERATING PROCEDURE 4.1 Menu Operation and Structure 4.1. I Basic Operation CLEAR Key 4.1.3 Menu Structure 4.1.4 Example of Menu Operation Connections 4.2.1 SERIAL INPUT...
  • Page 4 4 11 SYSTEM Key 4-27 4.11 DIGITAL FORMAT Menu 4-28 4.11 DIGITAL SISTEM Menu 4-29 ANALOG SISTEM Menu 4-29 4.11 DC RESTORER Menu 4.11- 4-30 PB/B, PR/R POS Menu 4.11 4-31 4.11 .6 VECTOR Menu 4-32 4.11 .7 CALIBRATION Menu 4-32 4.11.
  • Page 5 Precautions on Contents Should you find the contents in this manual and any of its technical terms confusing, please feel free to contact your local Leader agent. Symbols and Terms Followingterms and symbols indicate necessary warnings and cautions used in this manual and on the product are there for safe operation.
  • Page 6 It thecause for meltirg fuse is unclear or if you suspect there is damage to the instru- ment or if you have no proper fuse at hand please contact your local Leader agent.
  • Page 7 When such a case occurs. turn off the power switch and pull the plug of the cord from the plug socket. Contact your local Leader agent after confirming there is no fire. Warning...
  • Page 8 Cabinet or Rack Mount Adaptor Pleaseconformto the abovewamingsand cautionsforsafe operation.There are cautions in each area of in this instructionmanual, so pleaseconformto each caution. If you have any questions about this manual, please feel free to contact your local Leader agent.
  • Page 9 If you have any difficulties or questions on how to use the instrument after you have read this manual, please fee} free to contact your local Leader agent. 1.1 Scope of Warranty This Leader instrument has been manufactured under the strictest quality control guidelines.
  • Page 10 The instrument must be connected to the rated line voltage and line frequency of 48 Hz to 440 V/hen replacing the fuse, turn the power switch off and disconnect the power cord from the mains. Voltage Range Fuse Rating Leader Parts Number 90 to 250T T2AL, time-la , slow blow 3780 INCAUTIO 12.2...
  • Page 11 1.2.3 Installation Do not use the instrument in the following environments. • High temperature environments Do not place the instrument under direct sunlight or near a heater(e.g., stove). Do not move the instrument from cold to warm environment abruptly, it may cause condensaton.
  • Page 12 "PUSH ANY KEY "is displayed. Press any key. 1 2.6 Cabinet Install the instrument in the optional cabinet for safety purpose and avoicing EMI. Refer to Section 2.4.20, "Optional Accessories"for optional cabinet. 1.2.7 Calibration When calibration or service is required, contact your local Leader agent.
  • Page 13 SPECIFICATIONS Description The LV 5152DA multiformat Waveform Monitor is designed to display HDTV serial digital and analog signals. This instrument features two serial digital input systems and cne analog component signal input system. In addition to the waveform monitor function, vectorscope, timing, and audio signal display functions are provided.
  • Page 14 • Vectorscope function (conforms SMPTE274M, 296M) Display color difference signal in vector format. The analog GBR signal is converted into color difference signal with a matrix and displayed. • Picture monitor output The Y, PB, PR or G, B, R format can be selected with D/A converted analog signal from serial digital signal.
  • Page 15 Basic Operation Mode and Principal Functions 2.3.1 Basic Operation Mode WFM (Waveform monitor mode) Displays up to three channel waveforms. VEC (Vectorscope mode) Vector display of P3 and PRchannel input signals. PIC (Picture monitor mode) Monochrome display of Y/G channel input signals.
  • Page 16 Serial Digital Specifications BTA S-004B, SMPTE 292M • Ancillary Data Specifications BTAS-005B, SMPTE 291M Embedded Audio Specifications BTA S-006B, SMPTE 299M 2 4.2 Input System (• ) Serial Digital Input input Connector 75-Q BNC, I-connector, 2-system 215dB, 5 MHz to 742.5 MHz Return Loss 210dB, 742.5 MHz to 1.485 GHz (for SER...
  • Page 17 (3) AES/EBU Output CHI/2, CI--13/4, C H5/6, CH7/8 Output Signal: Output Impedance: 75 Q Output Connector: BNC, 4-connector, 4-system Amplitude: V±IOO/O Sampling Frequency: 48 kHz 16, 18, 20, 24 bits, selectable Quantization Accuracy: The relative phase of output sound between the sound group-I (CHI to CH4) sound group-2 (CH5 to CH8) are not guaranteed.
  • Page 18 Horizontal Axis Operation Mode Overlay: Display waveforms overlaid Parade: Display waveforms side-by-side Timing: For bowtie signal* measurement 'Use of bowtie has been authorized by Tektronix, Inc. Sweep Mode Automatic sweep Display Method Line Line Magnified IH MAG, 2H MAG, 3H MAG Field Field Magnified IV MAG, 2V MAG, 3V MAG...
  • Page 19 2.4.10 Digital Analyze Function • Error Display signal error is detected and displayed. VIDEO block: Detected with CRCC AUDIO block: Detected with block: Detected with checksum Error: LED indicates an error, CRT displays error consents. Equivalent Cable Length Meter Function: Compares serial digital signal level with reference signal(80C mVp-p)and displays level as the cable length Equivalent...
  • Page 20 2.4.16 Cursor Measurement Configuration Two horizontal cursors (REF, A) Two vertical cursors (REF, A) Amplitude Measurement Voltage (V or %) between the REF ancl A cursors Measurement Range O - 2000.0 mv, O - 280.0% Accuracy Resolution 1 mV or 0.1% Amplitude Ratio Measurement When "R%"...
  • Page 21 Illumination lamp 2.4.19 Accessories D-sub 25-pin connector D-sub 25-pin connector cover Screw, rack mounting, inch size Cover, inlet stopper Power cord Instruction manual 2.4.20 Operation Accessories (Cabinet) LR-2427 1-U for USA (Cabinet, with handle) LR-2404 (Cabinet, without handle) LR-2400 VI-02 (Rack-Mount Adapter, inch size) LR-2400 V-M (Rack-Mount Adapter, rnetric size)
  • Page 22 PANEL DESCRIPTION Front Panel Figure 3-1 POWER switch Press to turn power on. Release to turn power off. ILLUM control Controls brightness of scale illumination. Clockwise rotation increases brightness. ROTATION adjustment Compensates for slight tilting of the trace due to terrestrial magnetism. Parallel the trace with respect to the horizontal graticule line by using a screwdriver.
  • Page 23 READOUT INTEN adjustment Controls intensity of the readout characters by using a screwdri Jer. INTEN control Controls intensity of the displayed waveform. Graticule Refer to Section 3.3, UGraticules" for detail. CHI, CH2. CH3, keys Select channel to be displayed. The channel can be selected respectively. Lighted or Lite LED indicates the selected channel is on.
  • Page 24 MENU key group Select the menu. The selected menu can be operated by using the FUNCTION keys (F• 1 to F• 4) and FUNCTION control 20. CURSOR key This key is only enabled in the WFM mode. By pressing this key, the key LED lights, and the CURSOR menu and cursor are displayed.
  • Page 25 PRESET key This key is used for storing and recalling the panel setting condi:ions. Pressing this key displays previous screen. DC RESTORE key By pressing this key, the key LED lights and the pedestal level o••analog component signal is fixed. This key fixes the pedestal level when waveform is moved by changing Average Picture Level (APL).
  • Page 26 13.2 Rear Panel Q 00000 00000 UJD'O Figure 3-2 ANALOG INPUT connectors Accepts analog signal either Y, PB, PR or GBR format. Input configuration is loop-through. PIX MONITOR OUTPUT connector Output the signal to the picture monitor. When serial digital signal is input, the Y, P3, PR or GBR output format can be selected by using the menu.
  • Page 27 REMOTE control connector D-sub, 25-pin connector. Pjns are assigned for remote control and X-Y audio input. Refer to Section 4.13, "REMOTE Connector" for detail. SERIAL INPUT connector Accepts serial signal. Two systems (A and B) are provided. SERIAL OUTPUT connector Outputs serial digital signal.
  • Page 28 Graticules 3.3.1 Waveform Monitor .s¯ -.32 Figure 3-3 O V scale for vertical system Divided into 12 major divisions and 5 sub divisions for horizontal system. 0.1 V-step vertical scale 0.286 V sub scale 50% (0.35 V) scale for video signal. 0.714 V sub scale...
  • Page 29 Line time distortion (L.D) scales Solid lines: Broken lines: Read the slope in the box for distortion Vectorscope 3.4.1 External Graticule This graticule can be used to monitor a high-definition TV signal using a method similar to that used by the NTSC system since the scale is arranged •n NTSC format •...
  • Page 30 3 4.2 Electronic Graticule Tvo electronic vector graticules are provided and selected according to the video format. Graticule Video Format Setting Conforms SMPTE 274M, 296M 1080/60i, 1080/50i, 1080/30p, 1080/25p, 1080/24p, 1080/30sF, 1080/25sF ITU-R BT. 709-3 Part 2 1080/24sF, 720/60 SMPTE 240M 1035/60i Figure 3-5 shows the electronic target boxes...
  • Page 31 OPERATING PROCEDURE Menu Operation and Structure 4.1.1 Basic Operation The MENU key group (CURSOR LINESEL f, SYSTEM Fit-TER/GAIN SWEEP (b, PRESET is used to display the menu. To operate the menu, use the FUNCTION keys (F • 1 to F •4) and FUNCTION control according to the menu.
  • Page 32 4.1.3 Menu Structure The menu, structure is shown below. Items surrounded by CA are default. MENU • CURSOR Raza REF TRACK LINE-SEL only) <LINE DIGITAL SYSTEM — SYSTEM AUTO MANUAL 60i,50i 30sF25sF <SAMPLE FREQ> 74.18M 74.25M 30sF. 25sF Selecting "30sF, 25sF" swiches the FORMAT display as toilows: 1080/30sF 1080/60i...
  • Page 33 DIGITAL SYSTEM REMOVE pASS <WFM DISP> Y PB PR <Ptx OUT> 16bit 18bit 20bit 24bit <SYSTEM SEL> <INPUT FORMAT) ANALOG SYSTEM <INPUT COUPLING> <SYSTEM DC RESTORER SLOW FAST <SAMPLE POIMT> VARIABLE • D SELECT>Ä SYSTEM — <SYSTEM SEL> VARIABLE — SEL>...
  • Page 34 CALIBRATION <V.GAtN VAR>MODE <RESET CAL>KEY <V.GAIN VAR> <SWEEP TIME VAR>MODE • D SELECT> SWEEP — <CAL SWEEP TIME VAR <SWEEP TIME VAR> <RESET CAL>KEY <CALEB DAR> MC NTH DATE MINUTE SEC:OND <DATE ADJUST> <SYSTEM SEL> CHI-Y, G CH SEQUENCE CH2-Pg, B I cH3_pg, R CHI-Y, CH2-Pe,...
  • Page 35 SWEEP MAG> (Only H.SWEEP mode and when MAG is on) (OFF PRESET — (PRESET>MODE <DEFAULT DATA STORE>KEY (RENAME-DATE* .<F-KEY RECALL>Ä...
  • Page 36 4-1.4 Example of Menu Operation E xample below describes the calibration procedure for the IV SWEEP TIME (GYSTEM CALIBRATION -4 TIME VAR> MODE -4 BNOB SELECT> SWEEP <CAL SWEEP> F-•3 KNOB ELECT> SWEEP TIME VARI ( I) Press the SYSTEM key 04). The SYSTEM menu is displayed.
  • Page 37 Internal circut Figure 4-1 Loop-through input Displaying the Trace Procedure (1) Connect the power plug to the mains. (2) Set the FOCUS control (4) and INTEN control 6, to the center- (3) Turn the POWER switch (4) Wait for about 30 seconds until the trace appears.
  • Page 38 The signal amplitude is I Vp-p; one-cycle square wave equals 2 horizontal di lisions. See Figure 4-2. When the IH MAG is selected, one-cycle square wave equals 10 divisions. See Figure 4-3. Tc exit from the CAL mode, press the SELECT key (9) again. Figure 4-2 Calibration signal Figure 4-3 Calibration signal, IH MAG...
  • Page 39 MODE Key Pressing this key sequentially selects the basic operation mode (i.e., WFM, PIC, AUDIO). Waveform Monitor Mode Before operating the waveform monitor mode, set the system according to the signal to be measured. Refer to Section 4.11 "SYSTEM Key" for detail. Set the following systems.
  • Page 40 4.6.2 DISPLAY Key The DISPLAY key is used to select the multichannel display mode and time difference measurement mode. The OVERLAY, PARADE, or TIMING can be selected sequentially by pressing this key. Lit LED indicates the selected mode. ( • ) Overlay Display The waveforms are displayed in overlay mode.
  • Page 41 (no time difference). The marker interval is 1 ns (e.g., model LT440D, Leader). Read the time difference (between the null point and center marker) using the rr arkers. When the null point is positioned at the left of the reference marker, the Pa/B...
  • Page 42 Press the SWEEP key again after sweep time setting is completed. or to set the sweep magnification mode off. Menu is cleared and default setting is made. The key LED goes off. To clear the menu with magnification mode on, press the CLEAR key. Only the menu is cleared the LED...
  • Page 43 (5) Sweep Time The relationship between the sweep mode and sweep time is shown in Tables 4-1 and 4-2. Tables below show sweep speed per division. The sweep time is marked on the O IRE graticule. The 1 div correspond to one major horizontal scale MAG OFF MAG 2 21-1...
  • Page 44 ,8.6.4 CURSOR Key THE CURSOR key @ is used to measurevoltage and time. The REF and A cursors are displayed by pressing this key for measuring the voltage and time. --he voltage, voltage ratio, time, frequency, and time ratio can be rneasured. --he cursor measurement is ideal for precise measurement.
  • Page 45 When the TRACK is selected by pressing the F •4 <SELECT> key, both REF and A cursors can be positioned simultaneously. When the A cursor is positioned below the REF cursor, a negative sign displayed. (3) Voltage Ratio Measurement [CURSOR The voltage ratio between the reference points (100%) and desired points be measured- The F •3 <REF SET >...
  • Page 46 (6) Time Ratio Measurement [CURSOR -0 (AT) -+ F-.2 (RO/O)] The time ratio between the reference points (100%) and desired points can be measured. The <REF SET> key is used to set the reference points. Position the REF and cursors to the reference points on the wave•orm, then press the F •3 <REF SET>...
  • Page 47 (1) Basic Operation The line selector mode can be obtained by pressing the LINESEL key .i3,. The FUNCTION KEY menu is displayed and the key LED Lights. Use the FUNCTION KEY to set the function; FUNCTION KNOB select the line. To cancel the line selector mode, press the LINESEL key (13) a gain.
  • Page 48 (3 Specifying the Line Window [LINESEL -+ INCI [LINESEL F-.4 DECI Up to 15 lines started with the specified line can be selected. Press the F •3 key to increase the number of lines; press the key to decrease the number of lines.
  • Page 49 2) Gain Selection [FILTER/GAIN Xl:X51 Gain (Xl or X5) can be selected by pressing the key. (3) Gain Variable Mode [FILTER/GAIN F, DJ To obtain the variable mode, select <VARIABLE> ON by pressing the F • 4 key, then use the FUNCTION KNOB to set the gain. Clockwise rotation increases the gain, counter clockwise decrease the gain.
  • Page 50 (2) Filter Selection (FILTER/GAIN - F. 1 FLAT:LOW PASS:DIF.STEP] The following filters can be selected by using the F • 1 key. FLAT: Flat (default setting) LOW PASS: Video signal passes the low-pass filter (z 20 dB at 20 MHz) DIF.STEP: Video signal passes 1.6 MHz band-pass filter.
  • Page 51 (4) Using Gain Preset In vector mode, pressing the FILTER/GAIN key displays at the F •2. Pressing the F •2 key sets the IQ signals on the outer circle when NTSC SMP TE COLOR BARS is up-converted to the high definition TV signal. Pressing the F •2 key also sets the vector gain to the preset value and displays the preset marker (v) on the variable range indicator.
  • Page 52 Vectorscope Mode Pressing the MODE key 00). s elects the VEC mode. The vectorscope mode operates as a X-Y display using PB(horizontal axis) and PR(vertical axis) components. See Figure 4-8. The external graticule or electronic graticule can be selected. The GBR format analog component signal is converted into color difference signal and displayed in vector format.
  • Page 53 (3) Sync Signal Display (SYSTEM-FQ <SYNC DISP> OFF:ON] Use the F •2 key to determine whether to display the sync signal oontained in the component signal. *The sync signal is only displayed when the ANALOG input signal is selectedby using the SELECT key @ (4) Graticule Selection INT:EXTI EXT: External graticule...
  • Page 54 The picture is horizontally reduced in size because the CRT aspect ratio is not 16:9. Audio Mode [FILTER/GAIN—F GAIN> The AUDIO mode displays stereo audio signal, applied from the REMOTE connector on the rear panel, in lissajous format. This mode is used to monitor an audio signal amplitude and stereo signal polarity The electronic graticule is displayed in this mode.
  • Page 55 PRESET Key 4.10.1 Basic Operation The RECALL menu is displayed by pressing the PRESET key lit}. This menu is sed to set the address to be recalled. use the FUNCTION control •20to select the address, then press the F 1 key. Pisplay_ Function Recall key...
  • Page 56 <STORE STORE < RETURN < DEFAULT DATASTORE RENAME. VODE Figure 4-10 Preset mode 4.10.3 Rename Mode A dialog box and character list are provided for renaming the address- See Figure 4-11 F.I key Enters time set at CALIBRATION. F•2, Locates character in the dialog box. F.
  • Page 57 RENAME < LOCATION> < LOCATION> < SELECT> Figure 4-11 Rename mode 4.10.4 Direct Recall Mode setting RECALL key in the menu ON, RECALL P1 to RECALL PIO are assigned to the function keys F •1 to F •4. Pressing the function key directly recalls preset conditions.
  • Page 58 4.11.1 DIGITAL FORMAT Menu This menu is used to set the video format according to the signal to be measured. Select VIDEO FORMAT from the SYSTEM menu, then press the ENTER key to display the format setting screen. (1) Basic Operation Display Function F.
  • Page 59 (4) setting SAMPLE FREQ [SYSTEM VIDEO FORMAT -4 F. 1 ENTER <SAMPLE FREQ> 74.18M: 74.25M] This setting swiches the clock frequency to optimize recovery of embedded audio within the serial digital signal. Select the frequency accordingly to match the video format input when using the DIGITAL AUDIO OUTPUT on the rear panel.
  • Page 60 4.11.3 ANALOG SYSTEM Menu This menu is used to set the input format, display format, and input coupling for the analog component signal. (1) Basic Operation Display Function Input format <INPUT FORMAT> Y,PB, PR:GBR Display format <WFM DjSP> Y,PB, Px.GBR AC:DC Input coupling <INPUT COUPLING>...
  • Page 61 The attenuation is as follows when 60 Hz sine wave is applied as reference, 100% in DC RESTORER mode. SLOW: 2200/0 FAST: (3) Sample Point [SYSTEM DC RESTORER F.2 <SAMPLE POINT> FIX:VARIABLEI Sets the DC clamp point to FIX or VARIABLE. When the FIX is selected, the VARIABLE cannot be selected by pressing the F.
  • Page 62 OFF: The waveform is positioned by the default setting- For analog input, the position is determined by selecting or GBR from the <INPUT FORMAT > in the analog system rnenu. For digital input, the position is determined by selecting GBR from the <WFM DISPLAY > in the digital system menu. P8/B pos, PR/R POS: Each waveform...
  • Page 63 a. Using Gain Mode Menu Perform Step (1). By pressing the F• 1 key, V.GAIN VAR menu is displayed. Djsplay Function To previous hierarchy <RESET CAL> Default setting < V.GAIN VAR> Gain variable b. Vertical Axis Amplitude Calibration F.I key By pressing this key, the menu returns to previous hierarchy.
  • Page 64 F. 3 key This key is used to select the KNOB function. When the CAL SWEEP is selected, menu as shown in Figure 4-13 is displayed. Select the desired sweep mode. Selecting the SWEEP TIME VAR displays CAL signal. The sweep time can be varied by using the FUNCTION KNOB. Bar displayed at the lower-right corner of the screen indicates sweep time (i.e., variable range, current setting status).
  • Page 65 b. Using the Timer This key is used to select YEAR, MONTH, or DATE. Set them by using the FUNCTION DIAL 20. Date is displayed. The timer supports dates in the 21st century. F. 2 key This key is used to select HOUR, MINUTE, or SECOND. Set them by using the FUNCTION DIAL •m.
  • Page 66 Select the PARADE display by using the DISPLAY key (10) a nd set keys (i. e. CHI, CH2, CH3) on, the waveform is displayed in parade format in CHI, CH2, and CH3 order from the left. For example, in GBR display mode, pressing the F•1 key displays waveforms in G, B, R order;...
  • Page 67 4.12.1 Equivalent Cable Length and Transmission Error Display Screen(1/2 Page) iVhen the VIDEO FORMAT is set to AUTO, an error may not be detected correctly. Ret the VIDEO FORMAT to MANUAL when detecting an error. (1) Screen Description VIDEO FORMAT: 1080/60--- Video format display The selected serial digital video format is displayed.
  • Page 68 (3) ERROR DETAILS Menu [DETAILS KEYI The DETAILS screen is used to select the screen to display er•or contents or screen to display error log (displays up to 20 error occurrence blocks and times). Use the NEXT KEY to select VIDEO, AUDIO. ANC, or LOG. Set VIDEO FORMAT TO MANUAL TO WATCH ERROR.
  • Page 69 [ANC ERR DETAILS] TRANSMISSION ANC DATA RECEIVE DC OVER FLOW CHECK DC OVER FLOW NO ERR NO ERR NO ERR NO ERR NO ERR NO ERR NO ERR NO ERR NO ERR NO ERR l. ERROR When ERROR LOG is selected, up to 20 blocks and error occurrence times are bgged and displayed on the screen as shown in Figure below.
  • Page 70 b. Description of setting Item TRIG MODE: Selects trigger to display the error log or data display. If an error occurs on the EAV or SAV, data cannot be retained. ERROR Detailed data is displayed on the line where CRC error occurs. Data contents are retained.
  • Page 71 GAMUT ERR LOG TIME • • • • •Shows that an error occured at 15:45:49 16:43:23 d. 12.3 Data Display Screen(3/3 page) (1) Displaying Data in Serial Format The received serial data is displayed in order of sample number. PAGE> SAMPLE DATA NEXT...
  • Page 72 (3) Basic Operation Display Function Selects page. Selects data display format. Increments or decrements sample 50 STEP number in 50 steps. Selects function dial operation. Selects line, selects sample. u. 12.4 Error Display VIDEO Block Error is detected by Cyclic Redundancy Check Code (CRCC). The CRCC signal should be added to the input signal.
  • Page 73 DID: Data identification word Data block number word Data count word Checksum word ECC: Error correcting code (3) ANC Block Detects whether there is any ANC data in VIDEO data of the Y sample- Three words (000, 000, 3FF) of the ADF are used to detect errors. DID is used to identify the detected type of data.
  • Page 74 4.13. REMOTE Connector 4.13.1 Pin Assignments Table below shows REMOTE connector pin assignments. This connector is used for both remote control and audio input. Pin No. Name Description No connection Ground No connection /EXT BLANK External blank Ground Ground Ground Audio input, Y (V) axis, positive polarity Audio input, Y (V) axis, negative polarity Audio input, X(H) axis, positive polerity...
  • Page 75 Remove the burned-out lamp. Mount the new lamp to the pins. To reinstall the parts, reverse the order of the removal steps. C rdering Information T) obtain extra lamp, contact your local Leader agent and provide followings. Ll-2306 Lamp (5 pieces per set)
  • Page 76 To Prevent Power Cord Disconnection ro prevent the power cord disconnection from the input, the Cover/lnput stopper s supplied as an accessory. Refer to procedure below. 5.2.1 Connecting the Power Cord (1) Insert the power cord connector into the AC inlet. connector Base (2) Place the Cover/lnput stopper on top of the connector as shown in the...
  • Page 77 5.2.2 Disconnecting the Power Cord (1) Press the levers on the Cover/lnlet stopper with your fingers to release. Cover/lnput stopper (side view) (2) Remove the Cover/lnlet stopper from the base. Cover/lnput stopper (3) Disconnect the power cord connector from the AC input. Connector Base...
  • Page 78 LEADER INSTRUMENTS CORP. 6484 Comrnerce Drive. Cypress. Cailtornia 90630 U.S.A. PHONE: 1-714-527-9300 FAX: 1-714-527-7490 LEADER INSTRUMENTS (H.K.) LTD. Room 303-304 New East Ocean Centre, 9 Science Museum Road, Tsimshatsut East, Kowloon, HONG KONG PHONE- 852-2721-2503 FAX: 852-2723-7573 Mar. 24, 2004 04030.05KLO_7J Phnted...