Panasonic WJ-FS28, Service Manual

Page 1: ... 100 Ω RCA pin jack Camera Switching Input 1 circuit RCA pin jack Microphone Input X4 Switchable 60 dB 390Ω or 0 dB 390Ω Ambient Operating Temperature 10 C 50 C Dimensions 420 W X 44 H 350 D mm without projections Weight 3 8 kg Dimensions and weight are approximate Specifications are subject to change without notice STANDARD ACCESSORIES Rack Mount Angle 2 pcs Rack Mount Angle Fixing Screw 8 pcs Vi...

Page 2: ...PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL This symbol warns the user that uninsulated voltage within the unit may have sufficient magnitude to cause electric shock Therefore it is dangerous to make any kind of contact with any inside part of this unit This symbol alerts the user that impotant literature concerning the operation and maintenance of this has been included Therefore ...

Page 3: ...s 39 Location of Test Points and Adjusting Controls 41 Appearance of ICs Transistors and Diodes 42 Wiring Diagram 43 Block Diagram 44 Schematic Diagram Main Board 1 3 45 Main Board 2 3 46 Main Board 3 3 47 Front Switch Board 49 Power Board 50 Conductor View Main Board 48 Front Switch Board 49 Power Board 50 Exploded View 51 Replacement Parts List 52 ...

Page 4: ...SOR SELECT Two functions are changed alternately according to the mode of this unit MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS In the Camera Mode The desired camera picture is selected on the monitor by pressing one of these buttons The single playback picture of the desired VTR can be selected by pressing one of these buttons when dis playing the VTR s picture Every pressing the same button dis...

Page 5: ...nput signals are provided at these connectors When connecting a coaxial cable to this connector the high impedance video loop is automatically selected 10 Monitor Output Connector MONITOR OUT BNC type A composite video signal is provided to this connector for monitoring The sequential switching picture VTR playback picture and setting up of Menus are displayed 11 Playback Input Jack PLAY IN Pin ja...

Page 6: ... s T D will be displayed on the black screen of the unconnected channel in reproducing recorded pictures as mentioned above 3 INSTALLATIONS Switching the microphone sensitivity When using the microphone set the Microphone Sensitivity Switch inside this unit to the suitable position as shown below according to the sensitivity of the micro phone Initially 60 dBs are selected at the factory Microphon...

Page 7: ... Rack Mount Angles provided and 8 Rack Mount Angle Fixing Screws provided M4 X 10 1 Turn off the power of this unit 2 Remove four rubber feet by removing four screws on the bottom of this unit 3 Place the Rack Mount Brackets on both sides of this unit and tighten with the eight supplied screws 4 Install the unit with Rack Mount Brackets in the rack by using four screws local procurement Cautions D...

Page 8: ...R is necessary for time lapse recording Refer to System Connection on next page 4 Camera 4 1 Camera 1 4 1 AUDIO IN VIDEO IN VTR NV HD550 etc L R L VIDEO IN VIDEO OUT R Microphone 4 Microphone 1 1 2 3 4 INPUT SELECT VIDEO Y C PAL PUSH Video Monitor GP CM1450 POWER ON OFF l o NTSC 3 58 M NTSC 4 43 AUDIO IN AUDIO OUT ...

Page 9: ...the playback mode 4 Mini CCTV Camera 4 1 4 1 4 1 1 2 3 4 INPUT SELECT VIDEO Y C PAL PUSH Video Monitor GP CM1450 POWER ON OFF l o NTSC 3 58 M NTSC 4 43 AUDIO IN VIDEO IN Time Lapse VTR AG 6730 etc VIDEO IN VIDEO OUT AUDIO OUT Microphone 4 Microphone 1 Video Monitor WV CM1450 etc Mini CCTV Camera 1 Camera Drive Unit WV PS104B AUDIO IN CAMERA SW OUT Pin ...

Page 10: ...7 ...

Page 11: ...8 ...

Page 12: ...9 ...

Page 13: ...10 ...

Page 14: ...11 ...

Page 15: ...12 ...

Page 16: ...3 D0 O LSB 4 D1 O 5 D2 O 6 D3 O 7 D4 O 8 D5 O 9 D6 O 10 D7 O MSB 11 DVDD Power supply terminal for Digital Circuit 12 CLOCK I Clock Pulse input terminal 13 DVDD Power supply terminal for Digital Circuit 14 AVDD Power supply terminal for Analog Circuit 15 AVDD Power supply terminal for Analog Circuit 16 VRTS O Top Reference Voltage output terminal 17 VRT I Top Reference Voltage input terminal 18 AV...

Page 17: ...IRSCASR 114 RASIRER 115 Vss 116 DR17 117 DR16 118 DR15 119 DR14 120 V DD 3 VDD 121 DR13 122 DR12 123 DR11 124 DR10 125 DR9 126 DR8 127 Vss 128 DR7 129 DR6 130 VDD 131 DR5 132 DR4 133 DR2 135 DR1 136 DR0 137 SIE R 138 SCI R 139 VDD 140 Vss 141 Vss3 142 Vss2 143 SCI L 144 SIE L 145 DL17 146 DL16 147 DL15 148 DL14 149 DL13 150 DL12 151 DR3 134 VDD 152 DL11 153 DL10 154 Vss 155 DL9 156 DL8 157 DL7 158...

Page 18: ...nal 51 PA7 I 52 PA6 I 53 PA5 I 54 PA4 I 55 PA3 I 56 PA2 I 57 PA1 I 58 PA0 I PA Data input terminals 8 Bit 59 Vss2 Ground terminal 60 Vss Ground terminal 61 VDD Power supply terminal 62 TEST6 I Test signal input terminal 63 RDCLK I Read Clock Pulse input terminal 64 Vss Ground terminal 65 YSR O YSR signal output terminal 66 CSR O CSR signal output terminal 67 WVDR I WVDR signal output terminal 68 T...

Page 19: ...7 O 159 DL6 O 160 VDD3 Power supply terminal RBDR Data input terminals 18 Bit RBDR Data input terminals 18 Bit RADL Data input terminals 18 Bit RADL Data input terminals 18 Bit Crystal Oscillator Counter Gate Gate Gate Latch 1Hz 30 Sec Adj Bit STOP Bit RESET Bit BUSY Bit HOLD Bit S 1 S 10 MO 10 MO1 MI 1 MI 10 H 1 H 10 W D 1 D 10 Y 1 Y 10 CD CE CF Decoder 1 minite Carry 1 second Carry 1 hour Carry ...

Page 20: ...CO 112 PHCI2 113 PHCI1 114 RWHD 115 RVP 116 BFP 117 SC 118 BST0 119 BST1 120 V DD Vss2 121 Vss1 122 BST2 123 BST3 124 BST4 125 BST5 126 BST6 127 BST7 128 Vss1 129 VDD 130 Y0 131 Y1 132 Y2 133 Y4 135 Y5 136 Y6 137 Y7 138 Vss1 139 VDD 140 RY0 141 RY1 142 RY2 143 RY3 144 RY4 145 RY5 146 RY6 147 RY7 148 Vss1 149 VDD 150 BY0 151 Y3 134 BY1 152 BY2 153 BY3 154 BY4 155 BY5 156 BY6 157 BY7 158 Vss1 159 Vs...

Page 21: ... terminal 89 HMOLVTR I HMOLVTR signal input terminal 31 CHR2 I CHR2 signal input terminal 32 CHR1 I CHR1 signal input terminal 33 CHR0 I CHR0 signal input terminal 34 HBCLEG I HBCLEG signal input terminal 35 CHRB1 I CHRB1 signal input terminal 36 CHRB0 I CHRB0 signal input terminal 37 BWS I BWS signal input terminal 38 BOR1 I BOR1 signal input terminal 39 BOR0 I BOR0 signal input terminal 79 Vss1 ...

Page 22: ...erminal 128 BST7 I BST7 signal input terminal 149 Vss1 Ground terminal 150 VDD Power supply terminal 151 BY0 O B Y 0 signal output terminal 152 BY1 O B Y 1 signal output terminal 153 BY2 O B Y 2 signal output terminal 154 BY3 O B Y 3 signal output terminal 155 BY4 O B Y 4 signal output terminal 156 BY5 O B Y 5 signal output terminal 157 BY6 O B Y 6 signal output terminal 158 BY7 O B Y 7 signal out...

Page 23: ...nal 6 IN I Input Bypass Capacitor connecting terminal 7 ACC ACC Filter connecting terminal 8 REF Reference Voltage terminal 9 APC APC Filter connecting terminal 10 VCXO OUT O VCXO signal output terminal 11 TINT I TINT control signal input terminal 12 VCXO IN I VCXO signal input terminal 13 GND Ground terminal 14 B Y IN I B Y signal input terminal 15 Vcc Power Supply terminal 16 R Y IN I R Y signal...

Page 24: ...rial Data input enable terminal 20 SOE I Serial Data output enable terminal 21 Vcc Power supply terminal Instruction Code Column Address and Row Address input terminals 8 Bit TOP VIEW Timing Generator Instruction Register Instruction Decoder Output Row Address Counter Output Row Decoder Output Serial Memory 256 x 6 Output Column Address Counter Serial Output Buffer Column Decoder 1 320 Memory Arra...

Page 25: ...arrier signal fsc R Y output terminal 7 SC2 O Chroma Subcarrier signal fsc B Y output terminal 8 BSC O Burst signal output terminal 9 VPCO O Phase Comparator output terminal 10 EXT INT I Sync Mode switching signal input terminal H External Sync Mode L Internal Sync Mode 11 LSWCONT I Line Switch Control signal input terminal 12 LSW O Line Switch signal output terminal 13 VR I Vertical Reset signal ...

Page 26: ...minal 19 HSYNC I Horizontal Sync signal input terminal 20 N C Non Connection Color signal output terminals of RGB system 6 Vcc Power supply terminal Blanking signal output terminals which indicating output of the character signal against the RGB system Serial to Parallel Converter 8 bit Latch Instruction Decoder Bank Control Vertical Indication Position Register Horizontal Indication Position Regi...

Page 27: ...t care 1 14 IC401 IC402 IC404 IC405 IC804 IC808 and IC808 on the Main Board are using the Dual 4 ch Analog Multiplexers Demultiplexers IC UPD74HC4052G Description of this IC is as follows CLOCK RESET Qn OUTPUT H L Binary Count L Don t Count Truth Table L Don t care Q12 1 Q6 2 Q5 3 Q7 4 Q4 5 Q3 6 Q2 7 GND 8 16 Vcc 15 Q11 14 Q10 13 Q8 12 Q9 11 RESET 10 CLOCK 9 Q1 TOP VIEW 1 13 IC408 to IC410 on the ...

Page 28: ...NC DET SYNC DET PDO 7 9 11 12 TOP VIEW GND Vcc X tal 1 X tal 2 Don t care A 1 B 2 C 3 G2A 4 G2B 5 G1 6 OUPUT Y7 7 GND 8 16 Vcc 15 Y0 14 Y1 13 Y2 12 Y3 11 Y4 10 Y5 9 Y6 TOP VIEW C L L L Truth Table SELECT ENABLE OUTPUTS L L L L L L L L H INPUTS SELECT ENABLE G1 G2 1 L H H H H H H H H B L L L H H H H L L L H H H H L L A L H H L H H L L Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 H H H H H H H H H H H H H H H H H H H H ...

Page 29: ...5 I O4 I O 14 GND Ground terminal 16 I O5 I O 17 I O6 I O Data input output terminals 8 Bit 18 I O7 I O 19 I O8 I O 20 CE1 I Chip Enable 1 signal input terminal 21 A10 I Address signal input terminals 13 Bit 22 OE I Output Enable signal input terminal 23 A11 I 24 A9 I Address signal input terminals 13 Bit 25 A8 I 26 CE2 I Chip Enable 2 signal input terminal 27 WE I Write Enable signal input termin...

Page 30: ...52 I O P52 signal input output terminal 10 P51 I O P51 signal input output terminal 11 P50 I O P50 signal input output terminal 25 P27 I O 26 P26 I O 27 P25 I O 29 P23 I O 13 P46 I O P46 signal input output terminal TOP VIEW 12 P47 I O P47 signal input output terminal 14 P45 I O P45 signal input output terminal 28 P24 I O 15 P44 I O P44 signal input output terminal 31 P21 I O 32 P20 I O 33 P15 O 1...

Page 31: ... Serial Data output terminal 63 P64 O DATA output terminal 64 P63 I O P63 signal input output terminal OC L L L H OUTPUT Q H L No Change Z CLK Don t care Truth Table Z High Impedance 1Q 2 1D 3 2D 4 2Q 5 3Q 6 3D 7 4D 8 20 Vcc 19 8Q 18 8D 17 7D 16 7Q 15 6Q 14 6D 13 5D TOP VIEW 4Q 9 GND 10 11 CLK 12 5Q OC 1 D H L 1 22 IC844 and IC903 on the Main Board are using the Hex D FFs IC MC74HC174AF Descriptio...

Page 32: ...S OUTPUT A L L H H B L H L H Y H H H L Truth Table 1 26 IC846 on the Main Board is using the Quad 2 Input NOR GAtes IC YWMC74HC02AF Description of this IC is as follows 1B 3 1A 2 1Y 1 2Y 4 2A 5 2B 6 GND 7 14 Vcc 11 4A 12 4B 13 4Y 10 3Y 9 3B 8 3A TOP VIEW INPUTS OUTPUT A L L H H B L H L H Y H L L L Truth Table 1 27 IC917 on the Main Board is using the Synchronous Presettable Binary Counter with Cle...

Page 33: ...YWMC74HC08AF Description of this IC is as follows 1Y 3 1B 2 1A 1 2A 4 2B 5 2Y 6 GND 7 14 Vcc 11 4Y 12 4A 13 4B 10 3B 9 3A 8 3Y TOP VIEW INPUTS OUTPUT A L L H H B L H L H Y L L L H Truth Table 1 30 IC106 IC204 IC304 and IC921 on the Main Board are using the Hex Inverters IC YWMC74HC04AF Description of this IC is as follows 1 31 IC406 on the Main Board is using the Quad 2 Input OR Gates IC MC74HC32A...

Page 34: ...TOP VIEW Truth Table Don t care 1 34 IC503 to IC506 on the Main Board are using the Dual Operational Amplifiers IC YWUPC4570G Description of this IC is as follows 8 Vcc 7 B OUT 6 B IN 5 B IN A OUT 1 A IN 2 A IN 3 Vss 4 TOP VIEW B A 1 35 IC50 on the Main Board is using the Dual Comparators IC NJM2903M Description of this IC is as follows 8 Vcc 7 OUT B 6 IN B 5 IN B OUT A 1 IN A 2 IN A 3 GND 4 TOP V...

Page 35: ...riple Inverters IC YWTC7W04FUL Description of this IC is as follows TOP VIEW Truth Table OUTPUTS Y L H H L INPUTS A 8 Vcc 7 1Y 6 2A 5 3Y 1A 1 2Y 2 3A 3 GND 4 2 Power Board 2 1 IC1 on the Power Board are using the Switching Regulator Controller IC YWFA5304P Description of this IC is as follows 1 2 3 4 6 5 8 7 BIAS OSC UVLO 10µA 0 45V 7V 2V OFF 3 6V R S Q 0 24V CS CT Vcc OUT IS GND IN FB 8 CS 7 CT 6...

Page 36: ... on the Rear Panel of the WJ FS28 Terminate the input terminal of the Underscanned Colour Video Monitor with 75Ω Connect the Signal Generator to the Camera Input Connectors 1 2 and 3 on the Rear Panel of the WJ FS28 Connect the prove of the Digital Voltmeter Oscilloscope or Frequency Counter at the desired Test Point in each adjustment step 3 2 Setting Up This adjustment should be done after 30 mi...

Page 37: ...ront Panel of the WJ FS28 Adjust VR803 so that the Burst signal level becomes 300 14 mV as shown in Fig 4 1 Adjust VR804 so that the Y Divider signal level becomes 700 14 mV as shown in Fig 4 1 Confirm that the Sync signal level becomes 300 30 mV as shown in Fig 4 1 Fig 4 1 4 PLL HD Phase Adjustment Test Point TP801 RA HD Main Board TP802 RB HD Main Board TP803 RC HD Main Board Recording Output Ja...

Page 38: ... shown in Fig 4 3 Fig 4 3 Set the Waveform Monitor to the Chroma mode Observing the Waveform Monitor confirm that the Chroma Pedestal level is less than 35 mV as shown in Fig 4 4 Fig 4 4 Connect the terminated Oscilloscope with 75Ω to the Recording Output Connector Adjust VR402 so that the Luminance Pedestal level becomes 0 mV as shown in Fig 4 5 Fig 4 5 Adjust VR401 so that the Luminance level be...

Page 39: ...nd T101 so that the vector positions on the B Y Axis of the Vectorscope as shown in Fig 4 10 0 mV 7 0 700 14 mV 300 30 mV Fig 4 10 Supply the Colour Bar signal to the Camera Input 1 Connector on the Rear Panel Connect the terminated Oscilloscope with 75Ω to the Recording Output Jack on the Rear Panel Adjust VR101 so that the R Y vector positions their respective boxes as shown in Fig 4 11 Adjust V...

Page 40: ...st sig nal to the Camera Input 1 2 and 3 Connectors on the Rear Panel Connect the terminated Oscilloscope with 75Ω to the Recording Output Jack Press the CH1 button CH2 button and CH3 button on the Front Panel sequentially and confirm that the signal of the Recording Output Connector in each mode is normal 10 Frequency Confirmation Test Point Recording Output Jack Rear Panel Supply the Sweep signa...

Page 41: ...AD button so that the Character Divider Line on the picture as shown in Fig 4 17 will be displayed on the Underscanned Colour Video Monitor Fig 4 17 Adjust CT902 so that the difference between the Character Divider Line Position t1 and t2 becomes within 1 µs as shown in Fig 4 18 Fig 4 18 1H t1 t2 20 setup t1 t2 within 1 µs Character Divider Line 1H t1 t2 20 Setup Character Character Divider Line C...

Page 42: ...o 7S XP1601 5H XP4501 5C XP4601 5H XP4501 7S XP6501 5L XP5501 4N XP5601 7W XP6435 X1 UMX1 Z1 UMZ1 7F XP6534 C Collector B Base E Emitter 3 2 1 FET C B E Transistor Gate Drain Source 1 2 3 Eacept 2SK199 Drain Source Gate 2SK199 Gate Drain Source 2 Chip Diode The diode number is indicated on the top surface of the chip diode using two alphabet letters Diode Number Appearance and Symbol 3 Chip Resist...

Page 43: ...ransistor Diode Resistor and Capacitor 1 Add the solder to both ends of the chip three leads for chip transistor 2 While attaching the soldering iron to both ends of the chip three leads for chip transistor as shown below remove the chip by turning with tweezers Note Be careful not to damage other chips 5 2 Removal IC 1 Add the solder wick and soldering iron to each lead of the IC and remove solde...

Page 44: ...4040A 1 7 14 8 YWMC74HC00AF YWMC74HC02AF YWMC74HC04AF YWMC74HC11AF MC74HC32AF MC74HC132AF 4 3 2 1 5 YWTC7S08F YWTC7S32FL 22 28 1 7 8 21 YWM5M4C500AV B E C 2SA1037 QRS 2SC2412K QRS 2SC2411 1 2 3 4 3 2 4 1 PC123FY3 S G D 2SK209 K A K A YWSC2012 K A 1 K 2 A YWSC80206L K A Blue K A HZC3CLL 3 2 1 3 2 1 YWDA204K 3 2 1 3 2 1 YWDAP202KT6 K A A K YWRB715FT106 K A A K MA372 K K A A Blue Black YWERB84009 K K...

Page 45: ...3 M4 R RET GNDR CN12 E1 CN1 1 2 3 4 5 8 7 6 5 4 3 2 1 M1 M2 L RET GNDL M3 M4 R RET GNDR E2 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 GND GND 5VD Y0 DB7 DB6 DB5 DB4 AD10 LED 5VA GND 5VD GND 5V CN10 1 2 3 4 5 5VA GND 5VD GND 5V N IN L IN 1 2 3 POWER BOARD MAIN BOARD FRONT SWITCH BOARD WIRING DIAGRAM ...

Page 46: ...B RC 14M RB14M IC813 IC829 IC830 SELECTOR Q812 IC827 IC831 RCA 1 2 DIVIDER RC PLL RC14M RCB DCHW DCHB FCLLU RA RB RC SYNC RA RB RC VBLK RA RB RC 14M BUS BUFFER RCZ0 7 RDZ0 7 CSR IC819 BUS BUFFER SYNC R14M VBLK 14MHz SYNC VBLK 14MHz MEMORY A MEMORY B R1 18 PLL IC838 IC840 Q904 IC917 IC921 IC915 CT902 CHARA DIVIDER IC52 IC841 IC843 RCDL0 17 RDDR0 17 MEMORY C MEMORY D R4FV1 R2FV1 PASS MEMSEL LSW BFP ...

Page 47: ...sy Pan Head Tapping Screws Binding Head Screws Outer Toothed Lock Washers Binding Head Screws Binding Head Screws Binding Head Screws Numbers show screws washers and etc 4 4 4 4 8 4 2 1 5 8 8 4 4 4 4 7 5 1 4 3 7 M1 M2 M3 M22 M23 M21 PCB2 M5 M8 M9 M10 M18 M10 M6 M10 M12 Earth Lug PCB1 E10 M10 M14 M7 Serial No Label M16 PCB3 M25 M40 Serial No Label M40 WJ FS28 M35 M32 M31 M37 M33 34 M36 6 51 EXPLODE...

Page 48: ...Printed in Japan C 609 N 5 7 23 ...