Panasonic PV-455S-K Service Manual Download Page 1

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2005 Matsushita Kotobuki Electronics Industries

Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.

PV-V4525S
PV-V4535S-K
PV-455S-K

Video Cassette Recorder

For servicing the R4-Mechanism Chassis for PV-Model, Please refer to the R4-Mechanism Chassis for PV-
Model Service Manual (Order No. MKE0401000C1).

ORDER NO. MKE0501001C1

Summary of Contents for PV-455S-K

Page 1: ...thorized copying and distribution is a violation of law PV V4525S PV V4535S K PV 455S K Video Cassette Recorder For servicing the R4 Mechanism Chassis for PV Model Please refer to the R4 Mechanism Chassis for PV Model Service Manual Order No MKE0401000C1 ORDER NO MKE0501001C1 B3 ...

Page 2: ...14 SPECIAL NOTE 11 4 15 MODEL NO IDENTIFICATION MARK 11 5 DISASSEMBLY ASSEMBLY PROCEDURES 12 5 1 CABINET SECTION 12 5 2 MECHANISM SECTION 14 6 ADJUSTMENT PROCEDURES 15 6 1 MECHANICAL ADJUSTMENT 15 6 2 ELECTRICAL ADJUSTMENT 15 6 3 TEST POINTS AND CONTROL LOCATION 16 7 SCHEMATIC DIAGRAMS 17 7 1 SCHEMATIC DIAGRAM CIRCUIT BOARD LAYOUT NOTES 17 7 2 MAIN SCHEMATIC DIAGRAMS 18 7 3 INTERCONNECTION SCHEMAT...

Page 3: ...K 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 1 MW and 5 2 MW When the exposed metal does n...

Page 4: ... antistatic ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together...

Page 5: ... case of using high temperature soldering iron please be carefull not to heat too long Pb free solder will tend to splash when heated too high about 1100 F 600 C All products with the printed circuit board with PbF stamp or printing must be serviced with lead free solder When soldering or unsoldering completely remove all of the solder from the pins or solder area and be sure to heat the soldering...

Page 6: ...VCR in Shut off condition Fig 1 1 2 Fault code 4 digit number will be displayed in F I P as shown Fig 1 2 4 1 1 Explanation of I2 C bus transmission number The condition of I2 C bus transmission befor shut off is displayed Fig 1 3 4 1 2 Explanation of VCR mode code number The condition of VCR Mode before shut off is displayed Fig 1 4 4 SERVICE NOTES PLEASE READ 6 PV V4525S PV V4535S K PV 455S K ...

Page 7: ...4 1 3 Explanation of Error code number The detecting condition and movement of mechanism is displayed Fig 1 5 7 PV V4525S PV V4535S K PV 455S K ...

Page 8: ...After replacing the Cylinder Unit press COUNTER RESET button on remote controller in this mode Total elapsed Cylinder rotation time in hours will be cleared to 0 2 To release from Usage Screen Mode press any operation button on remote controller or insert a cassette tape in this mode The VCR will return to normal operation mode 4 3 EEPROM IC IC6004 MAIN C B A REPLACEMENT NOTE After replacing EEPRO...

Page 9: ...removing Cassette Up Ass y it can be confirmed without a cassette To enter Service Mode Press and hold FF and CH UP buttons on the VCR together over 5 seconds in power off condition The unit goes into Service Mode Fig 6 1 To release from this mode disconnect AC Plug 4 7 MECHA MANUAL MODE In shut off condition or in Service Mode press the CH UP button on the unit and CH UP key on the remote togethe...

Page 10: ...and CH DOWN button on VCR together again 4 9 HOW TO RESET ALL VCR MEMORY FUNCTIONS To reset clear the select language channel auto set and set clock functions to their initial power on condition power on no cassette inserted hold down the PLAY and CH DOWN buttons on the VCR together for more than 5 seconds Power will shut off Fig 9 1 4 10 F F C CONNECTION NOTE Be careful with the direction of F F ...

Page 11: ...idents resulting in personal injury from electrical shocks It will also protect VCR from being damaged by accidental shorting that may occur during servicing Also when troubleshooting the above type of Power Supply Circuit a variable isolation transformer is required in order to increase the input voltage slowly 4 14 SPECIAL NOTE All integrated circuits and many other semiconductor devices are ele...

Page 12: ...rder described in the Disassembly Flowchart shown below When reassembling use the reverse procedure CAUTION Disconnect AC plug before disassembly or assembly 5 DISASSEMBLY ASSEMBLY PROCEDURES 5 1 1 Disassembly Flowchart Fig D1 12 PV V4525S PV V4535S K PV 455S K ...

Page 13: ...Fig D2 13 PV V4525S PV V4535S K PV 455S K ...

Page 14: ...sure that all locking tabs are aligned properly Then press the Front Panel straight in Fig D3 3 Installation of Mechanism Chassis and Cassette Up Ass y onto Main C B A a Make sure the Mode Select SW on the Main C B A is in EJECT position If not rotate the Mode Select SW until the alignment projection is in the EJECT Position Fig D4 b Make sure the phase hole of the Main Cam Gear on the bottom side...

Page 15: ...e Determine the Video Head Switching Point during Playback Symptom of Misadjustment May cause Head Switching Noise and or Vertical Jitter Test Point TP3001 Main C B A TP6205 Main C B A Specification T 6 H 0 5 H 0 38 ms 0 03 ms Mode SP Playback Equipment Oscilloscope VHS Alignment Tape VFMS0003H6 TV monitor 1 Insert the VHS Alignment Tape Enter service mode by pressing and holding FF and CH UP butt...

Page 16: ...mote Then COMP will appear on the TV monitor and adjusted value will be written to Memory IC IC6004 Fig E4 6 Press STOP button on the remote to release from EVR PG SHIFTER ADJUSTMENT MODE 6 3 TEST POINTS AND CONTROL LOCATION 16 PV V4525S PV V4535S K PV 455S K ...

Page 17: ... Diagrams Example 6 2V Zener Voltage 2 How to identify Connectors Each connector is labeled with a Connector No and Pin No Indicating what it is connected to in other words its counter part Use the interconnection schematic diagram to find the connection between associated connectors Example The connections between C B A s are shown below 3 Parts marked PT are not used in any models included in th...

Page 18: ... 58 FIP_OFF_L 59 NC 60 NC 61 TV_L VTR_H 62 NC 63 NC 64 NC 65 UNLOADING_H 66 PANE_CS 67 LOADING_H 68 MASTER_DATA_1 69 SLAVE_DATA_1 70 SCK_1 71 IIC CLK 72 IIC DATA 73 256Hz ROM COLE 74 CAP R F 75 TIMER_LED 81 SP_L 82 EX_FF REW_L 83 P_ON_H 84 AVR_L 85 SQPB_IN_H 86 FG AMP OUT 87 FG AMP IN 88 GND A 89 J CLK 90 CYL_PFG 91 OREF 92 IREF 93 S CAS H 94 CTL HEAD 95 CTL HEAD 96 CTL AMP REF 97 PB CTL OUT 98 5V...

Page 19: ...inal 39 12MHz OUT O Main clock 12MHz OSC output terminal 40 GND OSC Digital GND for OSC circuit 41 NC Not used 42 NC Not used 43 NC Not used 44 LC OSC IN I Input terminal of the LC Oscillation For OSD dot clock 45 LC OSC OUT O Output terminal of the LC Oscillation For OSD dot clock 46 NUB GND Connected to the GND 47 4FSC LPF I OSC Filter connection terminal for Internal sync generator 48 FSC IN I ...

Page 20: ... C4005 10 16V C4606 10 16V C3007 22 6 3V C4000 10 16V C3040 47 6 3V C3050 47 6 3V C3052 3R3 50V C3064 2R2 50V C3065 4R7 25V C3075 PT C3081 4R7 25V C4098 3R3 50V C4082 33 16V C4096 2R2 50V C4094 47 6 3V C4104 4R7 50V C3018 47 16V C3303 470 6 3V C3304 330 6 3V C7006 C7016 PT PT C4105 PT C7001 47 6 3V C3022 PT C4092 3R3 50V C3039 PT C7020 P4002 1 A_E_IN 2 GND E 3 A_HEAD W 4 A_HEAD R 5 CTL_HEAD 6 CTL_...

Page 21: ...C YNR PG AGC DET N L DE EMPH SQPB EQ Y LPF TRAP NC HP NC DEH N L EMPH ET LPF PC VIDEO AGC ATT 4dB ATT 10dB ATT 6dB ATT 10dB ATT 10dB 629 TRAP 6dBAMP C K NP CONV B D PILOT ERASE BPF PILOT ADD V AMP SQUE LCH CLEAR SYNC GCL P GCL R P R SD R SD P P R P R P R R P P R P R FEC TRAP P C ACC INT R R SVHS EXT DO DO REC SQPB R SDECK R SDECK R SDECK R SDECK SQPB R SDECK P R R ATP R P R P P R R P GND SQPB SQPB...

Page 22: ...1309K SW6317 EVQ21309K STB NP GND DIN NP OSC NP NP VDD CLK VDD NP NP NP GND CH POWER CH REC IIC SERVICE FF PLAY REW STOP NONE NONE PT LED DRIVE LED DISPLAY PANEL 30 TO MI TO MI 31 32 TO MI 33 TO MI TO MV 71 47 TO MI 24 TO MI TO MI 22 NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION NOTE For placing a purchase order of the parts be sure to use the pa...

Page 23: ...30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 10 16V C4233 10 16V C4234 33 6 3V C4237 47 6 3V C4240 2R2 50V C4244 10 16V C4218 10 16V C4217 33 6 3V C4211 4R7 25V C4212 4R7 25V C4207 10 16V C4206 10 16V C4253 10 16V C4257 100 16V C4255 10 16V C4261 1 50V C4213 22 6 3V C4260 10 16V C4259 1 50V C4265 10 16V C4208 3R3 50V C4247 1 50V C4254 3R3...

Page 24: ...PF PNR LCH AGC GND PREAMP SWITCH VCC REC DC2 HIFI PLAY H NOISE DET PNR RCH BPF BPF LPF FM MODULATOR DEMODULATOR AGC SWITCH MUTE REC AGC ADJ GND VCC FSC MTS MUTE IIC BUS INTERFACE REC AUDIO SIGNAL PB AUDIO SIGNAL VCC MTS MTS SAP DEMODULATOR DEMODULATOR BLOCK DBX NOISE REDUCTION TUNER SWITCH SPECTRAL DET SPECTRAL TIMING VREF WIDE BAND TIMING GND L WIDE BAND DET L R REF MTS LED IC4201 Hi Fi AUDIO MTS...

Page 25: ...207 PT R1211 WA5 R1026 4R7 R1011 470 R1010 WA7 5 R1027 B1AZKD000001 IC1002 1 2 3 J1213 WA7 5 J1212 PT PT J1004 PT J1005 J1201 W22 5 WA5 J1209 J1203 WA5 WA10 J1002 WA10 J1001 PT J1211 J1210 WA5 WA5 J1208 PT J1003 PT J1233 J1202 WA5 T1001 LSTP0126 2 3 4 5 6 7 16 15 14 13 12 11 10 9 F1001 125V 1 6A K5D162AQ0004 D1001 B0EDKT000009 IC1001 CNC1S101RLL1 2 1 4 3 PT IC1003 2 1 4 3 AC CORD XP0431100L Q1201 ...

Page 26: ...1 14 XTALO 15 XTALI 16 TP3 17 TEST2 18 Iref 19 ADDR2 20 VSSA2 21 VDEC 22 TEST1 25 SIF1 26 CRESET 27 VSSA3 28 VDDA3 29 SCL 30 SDA 31 SDO 32 WS 33 SCK 23 SIF2 24 Vref1 37 P1 38 MONOIN 39 EXTIR 40 EXTIL 41 Vref2 42 P2 43 OUTM 44 VSSA4 12 PCLK 34 SYSCLK 35 VDDD3 36 VSSD3 J7303 0 WA5 J7301 J7304 0 J7305 0 J7306 PT J7309 WA12 5 J7308 WA10 J7307 WA5 0 J7302 47 16V C7317 10 16V C7318 10 16V C7313 10 16V C...

Page 27: ... VHF IN UHF VHF OUT PIN 18 Pins TUNER UHF VHF 8 Pins PIN LED DISPLAY PANEL 3 Pins PIN INFRARED RECEIVER UNIT VIDEO OUT VIDEO IN 1 AUDIO OUT L CH AUDIO IN 1 L CH AUDIO OUT R CH AUDIO IN 1 R CH VIDEO IN 2 AUDIO IN 2 L CH AUDIO IN 2 R CH P3501 GND 1 Pins TO MECHANISM CHASSIS 9 Pins COMPARISON CHART OF MODELS MARKS PV V4525S PV V4535S K PV 455S K A B C MODEL MARK INTERCONNECTION SCHEMATIC DIAGRAM INTE...

Page 28: ... 4 4 7 4 7 IC6004 1 0 0 2 0 0 3 0 0 4 0 0 5 3 0 3 0 6 3 3 3 3 7 0 0 8 5 2 5 2 IC6005 1 5 2 5 2 2 5 2 5 2 3 0 0 4 5 5 2 5 2 6 IC6201 1 11 9 11 9 2 1 8 1 8 3 0 0 4 0 3 0 3 5 0 0 6 0 0 7 16 5 16 5 8 0 0 9 2 8 2 8 10 1 6 1 6 11 1 6 1 6 12 0 7 0 7 13 1 5 1 5 14 2 4 2 4 15 2 5 2 5 16 2 5 2 5 17 2 5 2 5 18 1 3 1 3 19 5 0 5 0 20 3 5 3 5 21 11 9 11 9 22 3 5 3 5 23 3 5 3 5 24 0 0 25 3 5 3 5 26 0 0 27 0 0 Q6...

Page 29: ...3 2 0 3 2 3 4 0 5 2 3 6 2 4 7 2 1 8 0 3 9 0 10 0 11 0 12 2 1 13 2 5 14 0 15 0 16 2 5 17 0 7 18 2 5 19 2 5 20 2 0 21 2 0 22 2 0 23 0 24 2 0 25 4 9 26 2 0 27 0 28 4 1 29 1 4 30 0 7 31 0 1 32 2 4 33 2 4 34 0 7 35 2 5 36 0 MODE STOP PINNO 37 1 6 38 0 39 0 1 40 4 9 41 0 42 3 6 43 3 4 44 2 3 45 0 46 3 3 47 2 2 48 2 2 49 3 4 50 3 3 51 4 9 52 3 3 53 5 8 54 2 4 55 0 56 0 57 5 8 58 12 2 59 5 9 60 0 1 61 2 4...

Page 30: ...PV V4525S PV V4535S K PV 455S K 30 ...

Page 31: ... E B Q3200 C E B Q4259 Q4202 Q7001 C E B C E B C E B C E B Q1214 C E B Q6301 C E B Q6009 C E B Q6004 Q6005 Q6003 C E B Q1211 C E B R1018 1 3 5 4 4 5 3 1 1 3 6 4 1 3 5 4 C1024 C1025 C1014 R1021 C1026 C1205 D1205 J1209 J1210 R1207 C1204 R1206 TP6003 C1202 R1202 R1203 D1203 C1219 U6303 R1204 C1225 R6313 R6312 R6352 R6311 R6321 R6301 R1205 C1218 D1201 C1203 R1209 TP1206 C1221 R6317 R6314 R6325 R6323 P...

Page 32: ...PV V4525S PV V4535S K PV 455S K 32 ...

Page 33: ...DEO TO VIDEO SYSTEM CONTROL UNSW 6V TO AUDIO PRIMARY IC1001 FROM SYSTEM CONTROL IC6001 3 5 IC1203 1 5V SW REG IC1202 5V SW REG 1 3 5 TP1204 TP1205 TO TIMER DISPLAY SW 5V MTR TO SERVO CAPSTAN IC6201 13 12 SW 5V AUDIO TO Hi Fi AUDIO SW 5V TUNER TO TUNER VIDEO SW 5V ANALOG TO SYSTEM CONTROL TP1203 AC CORD Q1201 30V SW SW 30V TO TUNER UNSW 5V SYSCON TO SYSTEM CONTROL TP1206 FIP OFF L POWER SUPPLY BLOC...

Page 34: ...N HP NC TRAP NC PHASE COMPARATOR DEH NON LINEAR EMPHASIS 15 17 19 23 26 33 35 37 38 40 49 51 36 12 9 67 63 20 8 PEAKING FILTER L3012 C3012 S VHS PB H TO SYSTEM CONTROL SVHS SVHS R ATP R P P R EXT INT P5002 6 P5002 5 P5002 4 P5002 3 P5002 2 P5002 1 TO FROM DD CYLINDER VIDEO HEAD TO FROM DD CYLINDER VIDEO HEAD SP L SP COM SP R SLP L SLP COM SLP R IC3001 AUDIO VIDEO SIGNAL PROCESSOR R P LPF EXT INT T...

Page 35: ...AUDIO HSW FROM SYSTEM CONTROL 27 HIFI FSC FROM VIDEO 45 VCO F0 AUDIO IN2 L AUDIO IN2 R TP4202 TP4201 OUT L OUT R IN L IN R AUDIO OUT L AUDIO OUT R AUDIO IN1 L AUDIO IN1 R 3 5 JK3002 FRONT JACK JK3001 REAR JACK A MUTE H FROM SYSTEM CONTROL MUTE REC EQ 2 36 MUTE CTL R P MUTE CTL DEMODULATOR BLOCK DECODER BLOCK fh TRAP TP4503 TP4502 TP4511 TP4002 P4002 P4002 4 3 AUDIO HEAD TP4207 TP4501 HIFI MIX OUT ...

Page 36: ... 3 IC6003 S REEL SENSOR 5V SW6002 SAFETY TAB SW Q6007 SUPPLY PHOTO SENSOR D6001 SENSOR LED Q6006 TAKE UP PHOTO SENSOR 38 12MHz IN 39 12MHz OUT X6001 IIC CLOCK 34 2 OUT IC6005 RESET SW6322 CH UP CYLINDER MOTOR COILS PG COIL CTL HEAD CTL HEAD IC6002 T REEL SENSOR 1 68 MASTER DATA 5V 70 SCK 66 PANE CS TP6030 TP6034 TP6032 5V 1 2 3 4 VDD GND DIN CLK STB 6 7 8 5 KEY 2 5V SW6323 REC SW6325 SW6326 REW SW...

Page 37: ...10 EXPLODED VIEWS 10 1 MECHANISM SECTION 37 PV V4525S PV V4535S K PV 455S K ...

Page 38: ...10 2 CHASSIS FRAME AND CASING PARTS SECTION 38 PV V4525S PV V4535S K PV 455S K ...

Page 39: ...10 3 PACKING PARTS AND ACCESSORIES SECTION 39 PV V4525S PV V4535S K PV 455S K ...

Page 40: ...e mechanical parts except the Cylinder Kit Ref No 1 and the Cassette Up Ass y Ref No 51 After replacing the Mechanical Chassis Sub Ass y be sure to perform TAPE INTERCHANGEABILITY ADJUSTMENT in Service Manual for R4 Mechanism Chassis for PV Model Order No MKE0401000C1 3 Cylinder is supplied as a Cylinder Kit Ref No 1 only Cylinder Kit consists of a Cylinder and a Main FPC Holder Ref No 2 However F...

Page 41: ...COVER 2 104 VYPS7170 FRONT PANEL ASS Y 2 Ref No Part No Part Name Description Remarks 105 LSGP0439 CASSETTE DOOR LID 2 106 LSMB0310 CASSETTE DOOR SPRING 2 110 LSGF0531 POWER BARRIER 2 111 VMX3115 MECHA SPACER F 2 112 VMX3272 MECHA SPACER R 2 113 VKA0364 FOOT 2 114 LSQL1814 CAUTION LABEL 2 115 VWJ1652 FLEXIBLE FLAT CALBE W OUT PLUG 2 116 VWJ07OW210MM FLEXIBLE FLAT CABLE W OUT PLUG 2 201 LSQF0864 FA...

Page 42: ...IP Q6003 B1ABCF000106 TRANSISTOR SI NPN CHIP Ref No Part No Part Name Description Remarks Q6004 2SB0709A0L TRANSISTOR SI PNP CHIP Q6004 B1ADCC000004 TRANSISTOR SI PNP CHIP Q6004 B1ADCF000001 TRANSISTOR SI PNP CHIP Q6004 B1ADCF000077 TRANSISTOR SI PNP CHIP Q6005 2SB0709A0L TRANSISTOR SI PNP CHIP Q6005 B1ADCC000004 TRANSISTOR SI PNP CHIP Q6005 B1ADCF000001 TRANSISTOR SI PNP CHIP Q6005 B1ADCF000077 T...

Page 43: ...6W 47K R4217 ERJ3GEY0R00V MGF CHIP 1 16W 0 Ref No Part No Part Name Description Remarks R4219 ERJ3GEYJ822V MGF CHIP 1 16W 8 2K R4220 ERJ3GEYJ822V MGF CHIP 1 16W 8 2K R4224 ERJ3GEYJ822V MGF CHIP 1 16W 8 2K R4225 ERJ3GEYJ822V MGF CHIP 1 16W 8 2K R4228 ERJ3GEYJ152V MGF CHIP 1 16W 1 5K R4229 ERJ3GEY0R00V MGF CHIP 1 16W 0 R4230 ERJ3GEYJ152V MGF CHIP 1 16W 1 5K R4235 ERJ3GEY0R00V MGF CHIP 1 16W 0 R4236 ...

Page 44: ...N3A821KBP CERAMIC 1KV 820PF C1030 ECKATS103MF CERAMIC 250V 0 01UF Ref No Part No Part Name Description Remarks C1205 ECEA1CKA220 ELECTROLYTIC 16V 22UF C1206 F1H1C104A008 C CHIP 16V 0 1UF C1207 F1H1C104A008 C CHIP 16V 0 1UF C1209 F1H1C104A008 C CHIP 16V 0 1UF C1210 F1H1C104A008 C CHIP 16V 0 1UF C1217 ECEA0JEE101 ELECTROLYTIC 6 3V 100UF C1218 ECEA1HKAR47 ELECTROLYTIC 50V 0 47UF C1219 ECJ1VF1H103Z C ...

Page 45: ...F C6108 ECEA0JKA101 ELECTROLYTIC 6 3V 100UF C6110 F1H1C104A008 C CHIP 16V 0 1UF C6111 F1H1C104A008 C CHIP 16V 0 1UF C6147 ECJ1VF1H103Z C CHIP 50V 0 01UF C6154 ECJ1VB1H333K C CHIP 50V 0 033UF C6156 ECJ1VF1A105Z C CHIP 10V 1UF Ref No Part No Part Name Description Remarks C6201 ECJ1VB1H103K C CHIP 50V 0 01UF C6202 ECJ1VB1C563K C CHIP 16V 0 056UF C6203 ECJ1VB1C563K C CHIP 16V 0 056UF C6204 ECJ1VB1C563...

Page 46: ...9K SWITCH PUSH SW6322 EVQ11A09K SWITCH PUSH SW6323 EVQ11A09K SWITCH PUSH SW6325 EVQ11A09K SWITCH PUSH SW6326 EVQ11A09K SWITCH PUSH SW6327 EVQ11A09K SWITCH PUSH FUSE PROTECTOR Ref No Part No Part Name Description Remarks F1001 K5D162AQ0004 FUSE 125V 1 6A TRANSFORMER Ref No Part No Part Name Description Remarks T1001 LSTP0126 TRANSFORMER T4101 G2A472C00003 TRANSFORMER JACKS Ref No Part No Part Name ...

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