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Maintenance

7-16

PSC 1125  Digital Television Parallel-to-Serial Converter Instruction Manual

HKĆ101

A10 Board

J100 (to Y parallel

connector)

J200 (to Pb/Pr

parallel connector)

J010 (to Power Supply CN2)

J014 (to Fan)

J018 (to Power Indicator)

M2.6x6MM PNH Screws (2)

M3x8MM PN

Screws (5)

OUT1 (unused)

OUT2 (to rear panel OUT1 connector)

OUT3 (to rear panel OUT2 connector)

Figure 7-7: A10 module removal

Connector Removals.

1. Remove two serial output connectors: (See Figure 7–8)

a. Using a #1 Phillips screwdriver, remove the eight screws securing the

connectors to the rear panel.

b. Pull the cables completely out of the rear panel.

2. Remove two parallel input connectors: Using a 5 mm size nut driver, remove

the four screws securing the parallel input connectors to the rear panel to
complete the removal. (See Figure 7–8)

3. Reinstallation: Install the connector by doing step 1 and step 2 in reverse

order.

Содержание PSC1125

Страница 1: ...to Serial Converter 071 0146 05 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refe...

Страница 2: ...issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Printed in Japan Sony Tektronix Corporation...

Страница 3: ...s This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this war...

Страница 4: ...p_supp tek com For product support outside of North America contact your local Tektronix distributor or sales office Service Support Contact your local Tektronix distributor or sales office Or visit o...

Страница 5: ...ion you may purchase up to five years of Calibration Services Service Assurance Advantages Priced well below the cost of a single repair or calibration Avoid delays for service by eliminating the need...

Страница 6: ......

Страница 7: ...eaning 2 3 Specifications Performance Verification Before Running the Tests 4 1 Required Equipment 4 1 Performance Tests 4 2 Setting Sound Packets Removing the Top Cover and Shield Cover 5 1 Jumper Co...

Страница 8: ...able of Contents ii PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual Replaceable Parts List Parts Ordering Information 8 1 Using the Replaceable Parts List 8 2 Diagrams Inde...

Страница 9: ...for selecting sound packets J310101 and above 5 3 Figure 6 1 A10 board view and test points 6 2 Figure 6 2 Power supply board view and VR1 6 2 Figure 7 1 Top cover and shield cover removal 7 10 Figure...

Страница 10: ...3 4 Installation requirements 3 3 Table 3 5 Environmental characteristics 3 3 Table 3 6 Safety and EMI standards 3 4 Table 3 7 Physical characteristics 3 4 Table 4 1 Required equipment 4 1 Table 4 2 F...

Страница 11: ...ck the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal...

Страница 12: ...ts identify conditions or practices that could result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediate...

Страница 13: ...one Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock disconnect...

Страница 14: ...Service Safety Summary PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual...

Страница 15: ...h BTA S 004A SMPTE 292M Because the converter accepts output signals from the Tektronix TSG1001 Multi format Test Signal Generator you can generate a digital television signal by using the converter i...

Страница 16: ...al output Embedded Audio 1125i Format only Options and Accessories The converter is shipped with the standard accessories listed in Table 1 1 Table 1 1 Standard accessories Accessory Part number Instr...

Страница 17: ...ound The line conductor is fused for over current protection A protective ground connection through the grounding conductor in the power cord is essential for safe operation The instrument does not ha...

Страница 18: ...select the signal set in the DNL file that was downloaded The Zone Plate signal is a digital Luminance or Y channel signal for sinusoidal evaluation of multidimensional spectral response and is conver...

Страница 19: ...P1000 communication utility and downloading the signal set data to the TSG1001 refer to the manuals supplied with the TSG1001 and SDP1000 1 Connect the TSG1001 and PC using the parallel interface cabl...

Страница 20: ...sing the other cable supplied with the converter connect one end to the B Pb connector on the TSG1001 Wrap the cable around the first cable forming a twisted pair with at least 1 full turn per foot of...

Страница 21: ...included are procedures for cleaning the exterior of the instrument Front Panel Overview Figure 2 1 shows the front panel of the converter Figure 2 1 PSC 1125 front panel The LED will light in green...

Страница 22: ...ous from 100 to 240 VAC Note that the instrument does not have a power switch When you connect the power cable to the AC voltage line the instrument powers on The two Parallel Input connectors accept...

Страница 23: ...pation Dirt also provides an electrical conduction path that can cause an instrument failure especially under high humidity conditions Inspection Inspect the outside of the converter for damage wear a...

Страница 24: ...llel to Serial Converter Instruction Manual 1 Remove loose dust on the outside of the converter with a lint free cloth 2 Remove remaining dirt with a lint free cloth dampened in a general purpose dete...

Страница 25: ...calibrated at an ambient temperature range of 20 C to 30 C 68 F to 86 F after a warm up time of 20 minutes Table 3 1 Digital video interface Characteristic Reference information Parallel input Format...

Страница 26: ...tion Output This output is enabled only for 1125I input data Format Based on BTA S005A BTA S006A Number of channels 8 Sampling frequency 48 kHz only Audio clock is automatically locked to the Parallel...

Страница 27: ...er source Characteristic Reference information Range 100 to 240 VAC 50 to 60 Hz Maximum power 30 VA approximately 30 Watts Supply connection Detachable cord set Table 3 4 Installation requirements Cha...

Страница 28: ...tromagnetic Compatibility Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EN 55011 Class A Radiated and Conducted Emissions EN...

Страница 29: ...evel or battery operated circuits of electronic equipment Pollution Degree A measure of the contaminates that could occur in the environment around and within a product Typically the internal environm...

Страница 30: ...Specifications 3 6 PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual Table 3 7 Physical characteristics Characteristics Descriptions...

Страница 31: ...re for use only by qualified personnel To avoid injury do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so Refer to all Safety Summaries...

Страница 32: ......

Страница 33: ...kit part number 040 1526 00 Table 4 1 Required equipment Item Qty Required precision Recommended equipment Purpose Digital TV signal generator 1 Latest modification must be installed Tektronix TSG100...

Страница 34: ...part no 174 3882 00 Supplied with the converter Connection between the converter and the TSG1001 generator as described on page 1 6 Performance Tests The performance tests must be performed in the fol...

Страница 35: ...tal analog RGB signal Upon conversion of the Y signal to analog you can evaluate the picture monitor response by looping the Y signal through all three RGB inputs or by not connecting the Pb Pr signal...

Страница 36: ...he converter connect the G Y connector on the TSG1001 generator to the Y connector on the converter b Using the other parallel signal cable 174 3882 XX connect the B Pb connector on the TSG1001 genera...

Страница 37: ...k the displayed waveform and CRC error a Confirm that the waveform is correctly displayed on the digital TV waveform monitor b Check that the CRC ERROR LED on the digital TV waveform monitor does not...

Страница 38: ...over in Removal and Installation Procedures on page 7 9 c Locate J400 on the A10 board and confirm that no jumpers put onto the jumper pin pairs 3 4 and 5 6 Refer to Setting Sound Packet section for m...

Страница 39: ...w check Highest true pks are 90 dBFS and below or null 18 Press the FORMATS button on the TSG1001 generator front panel to set the FORMAT to SMPTE 274M 59 94Hz 19 Repeat steps from 14 to 17 for SMPTE...

Страница 40: ...e sampling head attach an SMA to BNC adapter to the CH1 connector c On the oscilloscope attach an SMA to BNC adapter to the TRIGGER DIRECT INPUT connector d Using one of the 50 W coaxial cables connec...

Страница 41: ...uction Manual 2 Set the equipment controls a Set the TSG1001 generator signal output to ZONE PLATE b Set the oscilloscope controls 3 Check that the OUT1 eye pattern displayed on the oscilloscope is fu...

Страница 42: ...the coaxial cable from the OUT1 connector on the sampling head of the oscilloscope b Disconnect the coaxial cable from the TRIGGER DIRECT INPUT connector on the oscilloscope and then connect it to th...

Страница 43: ...protective cover removed Dangerous potentials exist at several points within the converter Use the test hookup and equipment controls from the previous test 1 Change the internal cable connection in t...

Страница 44: ...l cable connection a Disconnect the AC power cable from the AC power line connector b Disconnect the cable connected to the HK 101 OUT1 terminal and then connect it to the HK 101 OUT 3 terminal c Inst...

Страница 45: ...pers for setting sound packets This feature is available for any instrument with serial number J300149 and above To avoid possible personal injury or death disconnect the power cord from the line volt...

Страница 46: ...tor pin and the functions set by the jumpers Insert and remove the jumpers in from the jumper pin pairs to achieve that function Note the triangular symbol below the connector pin This mark indicates...

Страница 47: ...by the jumper Insert and remove the jumper in from the jumper pin pairs to achieve that function Note the triangular symbol below the connector pin This mark indicates pin one If the jumper is placed...

Страница 48: ...Adjustment Procedures PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual...

Страница 49: ...erformance Before you perform this procedure you need to address the following require ments This procedure is only to be performed by trained service technicians The converter requires a 20 minute wa...

Страница 50: ...top cover and shield cover For removal and installation procedures refer to Top Cover and Shield Cover on page 7 9 After you have removed the top cover and shield cover find the test points on the A1...

Страница 51: ...TP030 TP040 and TP050 located on the A10 board See Figure 6 1 3 Locate the variable resistor VR1 on the Power Supply board See Figure 6 2 4 Adjust the voltages a Connect the DMM test leads to the TP01...

Страница 52: ...Adjustment Procedures PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual...

Страница 53: ...properly for shipment Refer to page 7 19 Troubleshooting Covers information for isolating failed modules in a troubleshooting flowchart Refer to page 7 20 Tektronix Service Offerings Tektronix provide...

Страница 54: ...e following section Preventing ESD Preventing ESD Static discharge can damage any semiconductor component in the converter When performing service which requires internal access to the converter follo...

Страница 55: ...common in unprotected environments Table 7 1 Relative susceptibility to static discharge damage Semiconductor classes Relative susceptibility levels1 MOS or CMOS microcircuits or discrete circuits or...

Страница 56: ...venting efficient heat dissipation Dirt also provides an electrical conduction path that can cause an instrument failure especially under high humidity conditions To avoid personal injury or death due...

Страница 57: ...dust on the outside of the converter with a lint free cloth 2 Remove remaining dirt with a lint free cloth dampened in a general purpose detergent and water solution Do not use abrasive cleaners Inte...

Страница 58: ...s with defective wires or cables Chassis Dents deformations and dam aged hardware Straighten repair or replace defective hardware Interior Cleaning Procedure If after doing steps 1 and 2 below a modul...

Страница 59: ...Parallel to Serial Converter Instruction Manual 7 Dry all parts with low pressure deionized air 8 Dry all components and assemblies in an oven or drying compartment using low temperature 51 7_ C to 6...

Страница 60: ...to converter compo nents read the Installation subsection on page 1 3 and Preventing ESD on page 7 2 Before doing this or any other procedure in this manual read the General Safety Summary and the Se...

Страница 61: ...ule A10 board and Connectors Bottom Cover and Front Panel Equipment required 1 Remove top cover and shield cover See Figure 7 1 a Using a 1 Phillips screwdriver remove the four screws securing the top...

Страница 62: ...he bottom down on the work surface and the rear panel facing you 2 Remove power indicator module a Disconnect the ribbon interconnect cable from J018 on the A10 circuit board b See Figure 7 2 Using ne...

Страница 63: ...nce PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual 7 11 Figure 7 2 Removal of power indicator module holder attachment Figure 7 3 Removal of power indicator module LED and...

Страница 64: ...power indicator module by reversing step 2 When you connect the ribbon cable to the connector on the circuit board make sure that the index on the ribbon cable connector is aligned to the index marke...

Страница 65: ...ground terminal of the noise filter d Using a 1 Phillips screwdriver remove the two screws securing the noise filter to the rear panel and pull it out of the chassis to complete the removal M3x6MM FLH...

Страница 66: ...two screws securing the power supply module to the chassis and lift it off 4 Reinstallation Install the power supply module by reversing step 3 Equipment required 1 Phillips screwdriver Needle nose p...

Страница 67: ...g the needle nose pliers disconnect the connector cables from OUT2 and OUT3 terminals on the HK 101 module b Disconnect the connector cables from J100 and J200 connectors on the A10 modules c Disconne...

Страница 68: ...OUT2 connector Figure 7 7 A10 module removal Connector Removals 1 Remove two serial output connectors See Figure 7 8 a Using a 1 Phillips screwdriver remove the eight screws securing the connectors t...

Страница 69: ...1 Phillips screwdriver 5 5 mm size nut drive 1 Remove the front panel See Figure 7 9 a Using a 5 mm size nut driver remove the two nuts b Separate the front panel from the chassis 2 Remove the bottom...

Страница 70: ...Maintenance 7 18 PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual Figure 7 9 Front panel and bottom cover removal...

Страница 71: ...er dimensions If available use the original shipping carton which meets these requirements If the converter is shipped to a Tektronix Service Center enclose the following information The owner s addre...

Страница 72: ...ce 7 20 PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual Troubleshooting This subsection contains a troubleshooting tree designed to help you isolate faulty modules in the c...

Страница 73: ...Maintenance PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual...

Страница 74: ...Maintenance PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual...

Страница 75: ...ber if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number...

Страница 76: ...ates the serial number at which the part was first effective Column four indicates the serial number at which the part was discontinued No entry indicates the part is good for all serial numbers 5 Qty...

Страница 77: ...Replaceable Parts List PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual 8 3 Manufacturers cross index Mfr code Manufacturer Address City state zip code...

Страница 78: ...09 3374170XX 4 441 2152 XX 1 CHASSIS MAIN 80009 4412152XX 5 390 1184 XX 1 CABINET BOTTOM 80009 3901184XX 6 348 1330 XX 4 PAD CUSHIONING 16MM DIA X 7 9MM H POLYURETHANE W ADHESIVE 80009 3481330XX 7 211...

Страница 79: ...Replaceable Parts List PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual 8 5 A10 Figure 8 1 Main chassis and circuit boards...

Страница 80: ...iscont d Qty Name description Mfr code Mfr part number 8 2 Front panel and power indicator 1 333 4271 XX 1 PANEL FRONT 80009 3334271XX 2 150 0248 XX 1 LT EMITTING DIO GREEN 4V 555NM 20MA 80009 1500248...

Страница 81: ...Replaceable Parts List PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual 8 7 Figure 8 2 Front panel and power indicator...

Страница 82: ...00 4 2 CABLE ASSY RF 75OHM COAX 36CM L BNC TO PL71LP 174 B099 XX SEE W300 W400 5 211 0953 XX 8 SCREW MACHINE M2 6X6MM L PNH SST CROSS REC 80009 2110953XX 6 211 0389 XX 2 SCREW MACHINE M3 X 15MM L PNH...

Страница 83: ...Replaceable Parts List PSC 1125 Digital Television Parallel to Serial Converter Instruction Manual 8 9 Figure 8 3 Rear panel and grounding...

Страница 84: ...4 3903 XX CABLE ASSY RF 75OHM COAX 36CM L BNC TO PL71LP 174 B099 XX 80009 1743903XX W400 174 3903 XX CABLE ASSY RF 75OHM COAX 36CM L BNC TO PL71LP 174 B099 XX 80009 1743903XX W910 195 3990 XX LEAD ELE...

Страница 85: ...n diagram for the PSC 1125 Digital Television Parallel to Serial Converter SERIAL OUT 1 A10 Parallel To Serial Convertor CN2 7 PARALLEL Y PARALLEL PB PR J100 J120 OUT 2 OUT 1 25 25 HK 101 J018 Fan CN1...

Страница 86: ...Converter Instruction Manual SERIAL OUT 1 A10 Parallel To Serial Convertor PARALLEL Y PARALLEL PB PR HK 101 Fan Power Supply Noise Filter SERIAL OUT 2 ECL to TTL Translator TTL to LVCMOS Translator R...

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Страница 88: ......

Страница 89: ...t required adjustment 6 1 for module removal and installation 7 8 Exterior inspection procedures 7 4 F Features product features 1 2 Front panel overview 2 1 G General care of instrument 2 3 7 4 H Har...

Страница 90: ...4 1 Requirements for performance adjustment 6 1 S Safety and EMI standards specifications 3 4 Service ordering Tektronix 7 1 Setting Sound Packets 5 1 Jumper Configuration 5 2 Shipment packaging for 7...

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