Panasonic NV-FJ623EC Service Manual Download Page 15

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3.2. MECHANICAL ADJUSTMENT PROCEDURES

Refer to the Service Manual for Z-Mechanism Chassis. / (Order No. VRD9802005C2)

3.3. ELECTRICAL ADJUSTMENT PROCEDURES

3.3.1. TEST EQUIPMENT

The following equipments are required for Electrical Adjustments.

1. Dual-Trace Oscilloscope

- Voltage Range: 0.005-5V/div
- Frequency Range: DC-35MHz
- Probes: 10:1 / 1:1

2. Frequency Counter

- Frequency Range: 0-10MHz
- Probes: 1:1

3. Universal Counter

4. Digital Volt Meter (D.V.M.)

5. Video Sweep Generator

6. Sinewave Generator

7. Video Pattern Generator

8. Monitor TV

9. DC Power Supply

10. VHS Blank Tape

11. VHS Alignment Tape

- Parts No.: VFJ8125H3F(PAL)

3.3.2. VCR SETTING

When no indication in the procedure, set each selector as follows.

Summary of Contents for NV-FJ623EC

Page 1: ...VRD0202005C2 Video Cassette Recorder NV FJ623EC NV FJ623ECN Z MECHANISM SPECIFICATIONS 2002 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 1 ...

Page 2: ... to the service manual for Z Mechanism Chassis Order No VRD9802005C2 2 GENERAL DESCRIPTIONS 2 1 SERVICE CAUTION 2 1 1 REPLACING IC7702 EEPROM When the EEPROM IC7702 is replaced applicable model code option code and electrical adjustment data will not be available Therefore enter and or adjust the necessary data after replacing IC7702 by referring following procedure STEP1 REPLACE THE IC7702 1 Remo...

Page 3: ...ode 2 4 Press the CH UP key in twice Display the Setting Code 5 Press the POWER Button to turn the power on Colon starts flashing Enter the Model and Option Code 6 Service Screen is displayed on the monitor 7 Set the applicable Model and Option code by using REW PLAY STOP and FF keys on theRemote Controller See Fig S1 S2 Exit from Service Mode 8 Press the POWER Button to turn the power off 9 Press...

Page 4: ...IT REPLACEMENT A Remove the mechanism unit from MAIN C B A Chassis by referring SECTION 2 Disassembly Procedure B Remove the 3 screws A of the CYLINDER UNIT with a screw driver C Unlock the 4 locking tabs B and disconnect the Cylinder flexible card from the FPC Holder D Remove the CYLINDER UNIT CAUTION Handle the Cylinder flexible card with care When it damaged you should replace whole Cylinder un...

Page 5: ...t E Loose Hex screw C 1 5 mm and remove the CYLINDER RETAINER F Remove the Upper Cylinder Fig S4 3 UPPER CYLINDER ASSEMBLY When reassembling perform the steps in the reverse order Notes 1 Install the Cylinder Retainer so that the 2 holes on top of the 5 ...

Page 6: ...m while pressing down on top of the Cylinder Retainer Fig S5 3 Install the Cylinder Rotor Unit so that the inner hole of the Cylinder Rotor Unit fits to the small projection D on top of the Upper Cylinder 4 Tighten 2 screws B Fig S6 5 install the Cylinder Stator Unit 6 Tighten 2 screws A Fig S7 6 ...

Page 7: ...MAIN C B A When servicing the MAIN C B A take out the MAIN C B A and mechanism from the frame and turn over Fig S8 2 1 4 FLAT CARD CABLE INSTALLATION When installing the Flat Card Cable on the connector install the Flat Card Cable with the cable contacts facing the connector contacts Fig S9 2 2 REMOVAL OF CASSETTE TAPE 7 ...

Page 8: ...ve the Top Panel B Rotate the Main Cam Gear clockwise until the Loading Posts move to fully unloaded position as shown in Fig S10 Tape is remaining Fig S10 C Rotate the Capstan Motor clockwise from the bottom side to take up the tape Fig S11 D Rotate the Main Cam Gear clockwise until the cassette tape is ejected 2 3 INTRODUCTION OF VIDEO HEAD CLEANING CASSETTE POLISHING TYPE 1 We are pleased to in...

Page 9: ... cleaning service and shortening cleaning time for end users VFK0923FT For Service usage Type of Cassette Full VHS Cassette Cleaning Time 10 Seconds Time Tape Length 20 m Usability in a Path 180 Times VFK0823FSE For end users Type of Cassette Full VHS Cassette Cleaning Time 10 Seconds Time Tape Length 3 34 m Usability in a Path 30 Times 9 ...

Page 10: ... undesirable condition it can be displayed a Error code Two numbers from the right with Service Mode 2 Since the Error code is stored in the EEPROM it can be displayed although after disconnected the AC leads It can be displayed with Service Mode 2 If a second error had been detected only the most recent error is displayed For more details refer to the Service Manual for Z Mechanism Chassis Order ...

Page 11: ... recording mode recording signal is less than the normal condition Protection of the over current flowing transistor which produces the power for recording mode 08 Recording circuit works except recording mode Check the recording circuit 16 Cylinder lock detection Check the cylinder unit and the cylinder drive circuit 17 Supply reel mechanism lock detection Check the supply reel mechanism and supp...

Page 12: ...3 1 2 DETAIL OF DISASSEMBLY METHOD 1 REMOVAL OF THE TOP PANEL Remove 4 Screws A Fig D2 2 REMOVAL OF THE FRONT PANEL UNIT Unlock 7 Tabs B Fig D3 12 ...

Page 13: ...3 Screws D Remove 2 Screws E Note 1 Keep pressing 2 stoppers on Cassette Holder Plate and Press Cassette Holder Plate to the rear 2 Remove the Mechanism Unit after bend the Cylinder Shield in the direction of the arrow Fig D4 4 REMOVAL OF THE MAIN C B A 13 ...

Page 14: ... Screws F Unlock 4 Tabs G Fig D5 NOTE Before mounting the MAIN C B A onto the frame be sure to confirm that the insulation sheet is mounted on the frame as shown in Fig D6 Fig D6 5 SERVICING POSITION Fig D7 14 ...

Page 15: ... Trace Oscilloscope Voltage Range 0 005 5V div Frequency Range DC 35MHz Probes 10 1 1 1 2 Frequency Counter Frequency Range 0 10MHz Probes 1 1 3 Universal Counter 4 Digital Volt Meter D V M 5 Video Sweep Generator 6 Sinewave Generator 7 Video Pattern Generator 8 Monitor TV 9 DC Power Supply 10 VHS Blank Tape 11 VHS Alignment Tape Parts No VFJ8125H3F PAL 3 3 2 VCR SETTING When no indication in the ...

Page 16: ...1 TAPE SPEED SP 2 CHANNEL AV1 AV2 Set to signal input terminal number 3 3 3 ADJUSTMENTS Fig E1 Fig E2 CONDITION BURST SIGNAL OFF 75 ohm TERMINATED 3 3 4 PG SHIFTER ADJUSTMENT AUTOMATIC 16 ...

Page 17: ...tape PAL VFJ8125H3F When the sequence of the automatical adjustment has been terminated the following action has been made SUCCEED The cassette tape is ejected ERROR The F2 is displayed on the FIP Check the Servo Syscon circuit and Cylinder unit Release the Service mode by pressing the EJECT and FF keys simultaneously in 6 times until the FIP becomes normal indication Fig E3 3 3 5 AI FUNCTION ADJU...

Page 18: ...essfully the VCR goes to STOP mode Release the Service mode by pressing the EJECT and FF keys simultaneously in 6 times until the FIP becomes normal indication Fig E4 3 3 6 VIDEO FREQUENCY RESPONSE ADJUSTMENT PROCEDURES FIP DISPLAY Input the Video sweep signal See Fig E1 Press the FF and EJECT Keys simultaneously for 3 seconds Press the FF and EJECT Keys simultaneously twice Press the EJECT key fo...

Page 19: ...e Frequency response by pressing the 2 increase and or 8 decrease key on the Remote Controller See Fig E2 Store the Adjusted value by pressing the 5 key on the Remote Controller Release the Service mode by pressing the EJECT and FF keys simultaneously in 6 times until the FIP becomes normal indication Fig E5 3 3 7 LOCATION OF TEST POINTS CONTROLS 3 3 8 CIRCUIT BOARD LAYOUT 19 ...

Page 20: ...2 VOLTAGE CHART 7 BLOCK DIAGRAMS 7 1 SYSTEM CONTROL SERVO BLOCK DIAGRAM 7 2 LUMINANCE CHROMINANCE BLOCK DIAGRAM 7 3 AUDIO BLOCK DIAGRAM 8 SCHEMATIC DIAGRAMS 8 1 POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM 8 2 POWER SUPPLY RF SECTION IN MAIN SCHEMATIC DIAGRAM 8 3 TIMER SECTION IN MAIN SCHEMATIC DIAGRAM 8 4 SYSTEM CONTROL SERVO SECTION IN MAIN SCHEMATIC DIAGRAM 20 ...

Page 21: ...HEMATIC DIAGRAM 8 8 TV DEMODULATOR PACK SCHEMATIC DIAGRAM 8 9 NICAM DECODER PACK SCHEMATIC DIAGRAM 8 10 CYLINDER STATOR UNIT SCHEMATIC DIAGRAM 8 11 CAPSTAN UNIT SCHEMATIC DIAGRAM 9 CIRCUIT BOARD ASSEMBLIES 9 1 TV DEMODULATOR PACK C B A 9 2 NICAM DECORDER PACK C B A 9 3 MAIN C B A 9 4 CYLINDER STATOR UNIT 10 EXPLODED VIEWS 10 1 CHASSIS PARTS SECTION 21 ...

Page 22: ...10 2 CASING PARTS SECTION 22 ...

Page 23: ...10 3 PACKING PARTS SECTION 23 ...

Page 24: ...11 REPLACEMENT PARTS LIST 24 ...

Page 25: ...11 1 CHASSIS PARTS SECTION PARTS LIST 25 ...

Page 26: ... LOADING MOTOR UNIT 25 VMD2619 MOTOR BRACKET 26 VMB3045 CONVERSION GEAR SPRING 27 VMD2620 OPENER PIECE 28 VMD2738 LED PRISM 29 VML3165 DRIVE RACK ARM 30 VML3166 MAIN LEVER 31 VML3167 DRIVE MAIN LEVER ARM 32 VML3172 SUPPLY SPRING ARM 33 VML3176 CONVERSION LEVER A 34 VML3177 CONVERSION LEVER B 35 VXA6040 INCLINED BASE S UNIT 36 VXA5854 INCLINED BASE T UNIT 37 VXP1891 ROLLER POST 38 VXP1891 ROLLER PO...

Page 27: ...CREW B4 VHD0843 SCREW B5 VHD0843 SCREW B6 VHD0844 SCREW B7 VHD0844 SCREW B8 VHD1066 SCREW B9 VHD1066 SCREW B10 VHD1044 SCREW B11 VHD1060 SCREW B12 VHD1071 SCREW B13 XTS26 6F SCREW B14 XTN26 6F SCREW B15 XTN26 7J SCREW B16 XTN26 7J SCREW B17 XTN26 7J SCREW B18 VHD1095 SCREW B19 VHD1185 SCREW N1 VHN0311 PUSH NUT W1 VMX2208 WASHER W2 VMX3022 WASHER W3 VMX3022 WASHER 11 2 CASING PARTS SECTION PARTS LI...

Page 28: ...118 VJH1174 ANT JACK PLATE MAVD 120 VWJ1461 FLAT CARD CABLE 6P MAVD P4003 A C HEAD 121 VWJ1282 FLAT CARD CABLE 9P MAVD P2502 P2901 B101 XTW3 10TFC SCREW B102 XTW3 10TFC SCREW B103 XTW3 10TFC SCREW B104 XTW3 10TFC SCREW B105 VHD0168 SCREW B106 VHD0168 SCREW B107 VHD1092 SCREW B108 VHD1092 SCREW B109 VHD1092 SCREW B110 VHD1092 SCREW B111 VHD1092 SCREW B112 VHD1092 SCREW B113 VHD1092 SCREW B114 XTV26...

Page 29: ...20010 BATTERY COVER MAVD 205 VJA0728 A DIN RF CABLE MAVD 206 RJA0043 AC CORD MAVD 210 VPK2246 ACCESSORIES PACKING MAVD 211 VPN5491 CUSHION L MAVD 212 VPN5492 CUSHION R MAVD 215 VPG0M10 PACKING MAVD SERVICE FIXTURES TOOLS VFJ8125H3F VHS ALIGNMENT TAPE PAL VFK0335 RETAINING RING REMOVER 3mm 4mm VFK0329 POST ADJUSTMENT SCREWDRIVER VFK0326 HEX WRENCH SET VFK0132 BACK TENSION METER VFK27 HEAD CLEANING ...

Page 30: ...JKS331 E CAPACITOR 6 3V 330U C0714 ECUM1C105ZFN C CAPACITOR CH 16V 1U F1J1C105A063 C0715 ECUX1H030CCV C CAPACITOR CH 50V 3P ECJ1XC1H030C C0717 ECUM1H330GUV C CAPACITOR CH 50V 33P C0719 ECUX1E104ZFV C CAPACITOR CH 25V 0 1U F1H1E104A026 C0721 ECUX1H121JCV C CAPACITOR CH 50V 120P ECJ1XC1H121J C0724 ECUX1H221KBV C CAPACITOR CH 50V 220P ECJ1XB1H221K C1001 ECUX1C104KBV C CAPACITOR CH 16V 0 1U ECJ1XB1C10...

Page 31: ...C1108 ECQB1H223JF3 P CAPACITOR 50V 0 022U 31 ...

Page 32: ...P C2515 ECEA1VKN4R7 E CAPACITOR 35V 4 7U C2516 ECEA1VKN4R7 E CAPACITOR 35V 4 7U C2517 ECEA0JKS470 E CAPACITOR 6 3V 47U C2518 ECUV1H473ZFV C CAPACITOR CH 50V 0 047U ECJ1VF1H473Z C2519 ECEA1EKA470B E CAPACITOR 25V 47U C2520 ECUV1E683KBN C CAPACITOR CH 25V 0 068U ECJ2VB1E683K C2521 ECUV1C154KBN C CAPACITOR CH 16V 0 15U C2522 ECUV1C154KBN C CAPACITOR CH 16V 0 15U C2523 ECUV1C154KBN C CAPACITOR CH 16V ...

Page 33: ...PACITOR CH 50V 0 01U C3506 ECUX1C104KBV C CAPACITOR CH 16V 0 1U ECJ1XB1C104K C3507 ECUX1C104KBV C CAPACITOR CH 16V 0 1U ECJ1XB1C104K C3508 ECUX1C104KBV C CAPACITOR CH 16V 0 1U ECJ1XB1C104K C3509 ECUX1C104KBV C CAPACITOR CH 16V 0 1U ECJ1XB1C104K C3510 ECUX1C104KBV C CAPACITOR CH 16V 0 1U ECJ1XB1C104K C3511 ECUX1C104KBV C CAPACITOR CH 16V 0 1U ECJ1XB1C104K C4001 ECUM1H222KBN C CAPACITOR CH 50V 2200P...

Page 34: ...330 E CAPACITOR 10V 33U C4528 ECEA1CKS100 E CAPACITOR 16V 10U C4529 ECEA1CKS100 E CAPACITOR 16V 10U C4530 ECEA1CKS100 E CAPACITOR 16V 10U C4531 ECEA1CKS100 E CAPACITOR 16V 10U C4532 ECEA1CKS100 E CAPACITOR 16V 10U C4533 ECEA1CKS100 E CAPACITOR 16V 10U C4534 ECEA1AKS220 E CAPACITOR 10V 22U C4536 ECUX1C104KBV C CAPACITOR CH 16V 0 1U ECJ1XB1C104K C4537 ECUX1H103KBV C CAPACITOR CH 50V 0 01U C4538 ECEA...

Page 35: ...103ZFV C CAPACITOR CH 50V 0 01U ECJ1XF1H103Z C7304 VCEA0JAW101 E CAPACITOR 6 3V 100U C7305 ECUX1H330JCV C CAPACITOR CH 50V 33P ECJ1XC1H330J C7306 ECUX1H330JCV C CAPACITOR CH 50V 33P ECJ1XC1H330J C7307 ECUX1H103ZFV C CAPACITOR CH 50V 0 01U ECJ1XF1H103Z C7308 ECEA1HKS2R2 E CAPACITOR 50V 2 2U C7311 ERJ3GEY0R00 M RESISTOR CH 1 16W 0 C7312 ECUX1H220JCV C CAPACITOR CH 50V 22P ECJ1XC1H220J C7313 ECUX1C10...

Page 36: ...13 ECEA0JKS470 E CAPACITOR 6 3V 47U D0702 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 D1003 MA4056N H DIODE MAZ4056NH D1004 MA4056N H DIODE MAZ4056NH D1006 MA4056N H DIODE MAZ4056NH D1008 MA4130N L DIODE MAZ4130NL D1101 ERZVA5Z471 TRANSIENT SURGE ABSORBER D1103 DF08S 6622 DIODE B0KB00000013 D1104 MA4027 L DIODE MAZ40270L D1105 MA165 DIODE MA2C165 D1106 MA185 DIODE MA2C185 D1107 MAZ751000C DIOD...

Page 37: ...FL7301 VLF0633 FILTER J0HACK000008 37 ...

Page 38: ...ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K3509 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K4004 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K4007 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K4917 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K4919 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K7301 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K7302 ERJ6GEY0R00V M RESISTO...

Page 39: ...L3006 VLQ0599J101 COIL 100UH G0C101JA0026 39 ...

Page 40: ...680 COIL 68UH G0C680JA0026 L7703 VLQ0599J680 COIL 68UH G0C680JA0026 LB1102 J0JHC0000070 FILTER MAVD LB1106 J0JHC0000070 FILTER MAVD LB1107 J0JKB0000028 FILTER J0JKB0000027 LB1109 J0JKB0000028 FILTER J0JKB0000027 LB3501 VLP0147 COIL J0JBC0000041 LB3502 VLP0147 COIL J0JBC0000041 LB3503 VLP0147 COIL J0JBC0000041 LB3504 VLP0147 COIL J0JBC0000041 LB4903 ERJ6GEYG221 M RESISTOR CH 1 10W 220 LB4904 ERJ6GE...

Page 41: ...R Q4903 2SD601A R TRANSISTOR 2SD0601AR Q4904 2SB709A TRANSISTOR 2SB0709A QR1001 UN2112 TRANSISTOR UNR2112 QR1002 UN2211 TRANSISTOR UNR2211 QR3502 UN2212 TRANSISTOR RESISTOR UNR2212 QR4001 UN2212 TRANSISTOR RESISTOR UNR2212 QR4002 UN2211 TRANSISTOR UNR2211 QR4003 UN2111 TRANSISTOR UNR211100L QR4005 UN2113 TRANSISTOR RESISTOR UNR2113 QR4501 UN2216 TRANSISTOR UNR2216 QR4502 UN2216 TRANSISTOR UNR2216 ...

Page 42: ...R CH 1 10W 4 7K R1026 ERJ6GEYG103 M RESISTOR CH 1 10W 10K R1027 ERJ6GEYG103 M RESISTOR CH 1 10W 10K R1029 ERJ6GEYG562 M RESISTOR CH 1 10W 5 6K R1030 ERJ6GEYG562 M RESISTOR CH 1 10W 5 6K R1102 ERDS2TJ105T C RESISTOR 1 4W 1M R1103 ERDS2TJ105T C RESISTOR 1 4W 1M R1104 ERDS2FJ102 C RESISTOR 1 4W 1K R1105 ERDS2FJ101 C RESISTOR 1 4W 100 R1106 ERG2SJ331 M RESISTOR 2W 330 ERG2SJ331E R1107 ERDS2FJ101 C RES...

Page 43: ...0W 47K R3022 ERJ6GEYJ684 M RESISTOR CH 1 10W 680K R3023 ERJ6GEYJ224 M RESISTOR CH 1 10W 220K R3025 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 R3026 ERJ6GEYG392 M RESISTOR CH 1 10W 3 9K R3027 ERJ6GEYG271 M RESISTOR CH 1 10W 270 R3028 ERJ6GEYG102 M RESISTOR CH 1 10W 1K R3029 ERJ6GEYG152V M RESISTOR CH 1 10W 1 5K R3030 ERJ6GEYG331 M RESISTOR CH 1 10W 330 R3031 ERJ6GEYG392 M RESISTOR CH 1 10W 3 9...

Page 44: ... R4517 ERJ6GEYJ223 M RESISTOR CH 1 10W 22K R4518 ERJ6GEYJ223 M RESISTOR CH 1 10W 22K R4519 ERJ6GEYG821 M RESISTOR CH 1 10W 820 R4520 ERJ6GEYJ124V M RESISTOR CH 1 10W 120K R4521 ERJ6GEYJ511 M RESISTOR CH 1 10W 510 R4522 ERJ6GEYJ303 M RESISTOR CH 1 10W 30K R4523 ERJ6GEYJ472V M RESISTOR CH 1 10W 4 7K R4524 ERJ6GEYG102 M RESISTOR CH 1 10W 1K R4525 ERJ6GEYG102 M RESISTOR CH 1 10W 1K R4527 ERJ6GEYJ472V ...

Page 45: ...017 ERJ6GEYG102 M RESISTOR CH 1 10W 1K R6018 ERJ6GEYG102 M RESISTOR CH 1 10W 1K R6019 ERJ6GEYG103 M RESISTOR CH 1 10W 10K R6020 ERJ6GEYF393 M RESISTOR CH 1 10W 39K R6021 ERJ6GEYJ273 M RESISTOR CH 1 10W 27K R6022 ERJ6GEYJ101V M RESISTOR CH 1 10W 100 R6023 ERJ6GEYJ273 M RESISTOR CH 1 10W 27K R6025 ERJ6GEYJ433V M RESISTOR CH 1 10W 43K R6026 ERJ6GEYF393 M RESISTOR CH 1 10W 39K R6029 ERJ6GEYJ472V M RES...

Page 46: ...SISTOR 1 4W 330 R7608 ERJ6GEYJ151V M RESISTOR CH 1 10W 150 R7610 ERJ6GEYJ471 M RESISTOR CH 1 10W 470 R7611 ERJ6GEYJ471 M RESISTOR CH 1 10W 470 R7613 ERJ6GEYJ151V M RESISTOR CH 1 10W 150 R7614 ERJ6GEYJ101V M RESISTOR CH 1 10W 100 R7615 ERJ6GEYJ101V M RESISTOR CH 1 10W 100 R7616 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 R7712 ERJ6GEYJ472V M RESISTOR CH 1 10W 4 7K R7713 ERJ6GEYJ472V M RESISTOR ...

Page 47: ...0162 CRYSTAL OSCILLATOR X6001 VSX1022 CRYSTAL OSCILLATOR X6002 H0H200500011 CRYSTAL OSCILLATOR MAVD X7302 H0D245500016 CRYSTAL OSCILLATOR MAVD MISCELLANEOUS EYF52BC FUSE HOLDER K3GD9BB00001 EYF52BC FUSE HOLDER K3GD9BB00001 VSC4998 HA ANGLE VSC4752 SHIELD CASE MAIN FOR NICAM DECODER C B A VMP5897 CONNECTING ANGLE FOR TV DEMODULATOR C B A CYLINDER STATOR C B A MISCELLANEOUS VJS3537F009G CONNECTOR FE...

Page 48: ...DA9874AH R7328 220 C7319 16V10 C7320 16V10 R7329 220 C7324 0 1 C7325 0 1 LB7301 0 INPUT SWITCH AGC ADC FM AM DEMODULATION IDENTIFI CATION DEMATRIX 2 CHANNEL ANALOG SATELLITE DECODER DIGITAL SELECTOR IIC BUS INTERFACE NICAM DEMODULATION NICAM DECODER LEVEL ADJUST IIC BUS INTERFACE POST FILTER 3 DACS ANALOG CROSSBAR SWITCH 2 CHANNEL OUTPUT BUFFERS MONO CHANNEL OUTPUT BUFFERS SYS CLK VDDD3 VSSD3 P1 M...

Page 49: ...ECONDARY SIDE D1103 DF08S 6622 R S TO POWER SUPPLY RF SECTION TO SYSTEM CONTROL SERVO SECTION R1113 33 C1111 0 01 D1106 MA185 D1104 MA4027L R1109 1800 R1111 330 D1105 MA165 C1109 0 047 C1110 0 1 R1112 3 3 Q1104 2SD1992A VOLTAGE CONTROL 1 2 3 LR1101 VLP0392 R1106 330 C1108 0 022 2 3 4 5 6 7 8 18 17 16 15 14 13 12 11 10 R1110 100K C1112 1000P LB1106 J0JHC0000070 R1104 1K R1105 100 Q1101 2SK2876 VOLT...

Page 50: ...O INPUT OUTPUT SECTION TO Hi Fi AUDIO SECTION TO LUMINANCE CHROMINANCE AUDIO SECTION TO SYSTEM CONTROL SERVO SECTION T TO POWER TRANSFORMER SECTION HEATER DC P P HEATER DC T HEATER S FIP S SLEEP T FIP 29V P UNREG 29V P UNREG 36V P UNREG 14V P GND S GND V GND A GND I GND T GND I GND A S GND FG S GND MOTOR S GND CYL P UNREG 6V POWER OFF S S S A A I V VIDEO 5V S REG 5V I PS 12V I PS 5V V BIAS 5V N SW...

Page 51: ...D PFG O REF I REF GND CTL HEAD CTL HEAD CTL AMP REF PB CTL OUT 5V A 5V AD R6017 1K UN2215 QR6001 18K R6003 1K R6018 1000P C6014 B11 B9 B8 B7 B6 B5 B4 A8 A7 A5 A4 A3 A2 A1 27K R6023 16V10 C6015 C2CBJG000215 IC6001 AVPB AV1 PB PROG ON A DEF AUDIO H SW VIDEO H SW ENV SELECT H AMP SW ROTARY SW ART V H N D FM REC V SYNC REC PLAY CAL ABS NORM T PHOTO S PHOTO N S T1 T2 AV1 PB 12V A MUTE AFC S CPB LP SLP ...

Page 52: ...517 1 5 R2516 M3 ATC P3 P2 HE P1 GND PC DS ET POWER NPN Tr X3 B EMF DET CIRCUIT DISCHARGE CHARGE AMPLIFIER DIFFERENTIAL PRESET SYNC EXTERNAL AN3811NK IC2501 1 16 OSC SELECT MODE DISP PG FG SHAPER WAVE CONTROL TORQUE THD 16 15 14 13 12 5 4 3 2 1 6 7 8 9 10 11 VM M1 VCC FC FG PG M2 HE 33 R2515 35V4 7 C2524 P2901 A 2 TO CYLINDER STATOR P2502 9 M2 8 VH 7 M3 6 HE 5 GND CYL 4 VM 3 VM 2 HE 1 M1 C 1 TO CA...

Page 53: ...ERVO SECTION REMAIN ET CVC VP EP SLP OFF S VHS CH REC STB SP ON NOTE THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE ORDERING WHEN YOU ORDER A PART PLEASE REFER TO PARTS LIST NOTE DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR TO POWER SUPPLY RF SECTION FIP CS S CLOCK S DATA S S S N SW 5V R 5600 R7502 EVQ11G07K S7501 REC 4300 R7503 EVQ11G07K S7502 CH DOWN 4300 R7506...

Page 54: ...T FLL VCO LPF AGC DET SIF 1ST X DET APC X DET VIDEO X TRAP AMP EQ SW AMP S PLL CONT FIL DEEMPHP DET FM AMP LIM BPF X BPF LA75503 IC0701 100 R0725 3P C0715 16V22 C0711 22K R0715 GND IF AGC 4MHz 4 3 2 1 TO TUNER UNIT PP0701 0 18u L0701 VLF1493 X0704 0 01 C0710 2 2u L0703 5 4 3 2 1 6 7 8 10 0 1 C0712 4700 R0719 0 033 C0704 1 C0714 6V330 C0713 10K R0708 1 C0701 1 C0703 1000P C0702 39K R0707 4700 R0705...

Page 55: ... CURR EMPH A6 A7 TUNER AUDIO N R A FM MUTE A8 A9 AUDIO OUT N A A AUDIO IN N A10 MUTE S A11 A17 AUDIO HEAD R AUDIO HEAD COM AUDIO HEAD L GND SP L SP COM SP R LP L LP COM LP R A AUDIO HEAD R AUDIO HEAD L A AUDIO HEAD COM A AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE VIDEO MAIN SIGNAL PATH IN REC MODE UN2111 QR4003 GND VIDEO 5V BI...

Page 56: ... PB REC VIDEO OUT SELECT VCC DOP NORM VXO DET ACC ACC TRAP 6 6 TRAP 2 2 LP SP NTSC 6dB PEC EPC CK DET APC 1 4 ROT APC U D BURST BPF MAIN BM B NAP f ROT1 FH 2 FPC BM A TO DELAY A LPF MUTE HSS BM A CLIP NOISE SYNC ARTIF FO DET SVHS LIM DOUBLE DET DO DET ENV PEAKING MOD DTE NLDE NLE DEM FM 2 5dB LPF SUB NC2 AGC DET AGC SEP SYNC SWITCH SEC 3dB SP BPF SUB 2FSC 0H DL 0H DL 1H DL 2H DL BLANK PILOT BURST ...

Page 57: ...1 A B 3 2 HALL IC P2901 8 M3 2 9 5 1 M1 VM VM VM M2 VEM0715 NV FJ623EC ECN CYLINDER STATOR UNIT HALL IC B 3 P2901 A 3 CYLINDER STATOR UNIT Integrated Circuit Connector ADDRESS INFORMATION ...

Page 58: ...W375 W376 W377 W417 W382 W381 K7605 W721 W441 W380 W379 W378 W420 W710 W723 W702 W419 K7607 W418 W421 W422 W423 W424 W425 W426 W427 W428 W429 W353 W352 W351 W350 W354 W355 W344 W345 W347 W348 W349 W346 K7608 W432 W336 W335 W334 W333 W332 W331 W330 W329 W328 W327 W326 W318 W437 W435 W434 W433 W733 K7616 W436 K1213 K7502 W317 W316 W738 W343 W342 W341 W340 W339 W338 W337 W325 W324 W323 W303 W322 W321...

Page 59: ... D 1 Q1103 D 1 Q1104 D 1 Q1201 C 2 Q1501 C 2 Q1502 C 7 Q4001 D 6 Q4002 D 6 Q4005 E 7 Q4006 F 7 Q4901 F 3 Q4903 F 3 Q4904 E 4 QR1001 A 3 QR1002 B 2 QR3502 D 5 QR4001 D 6 QR4002 D 6 QR4003 D 6 QR4005 C 7 QR4501 E 7 QR4502 E 6 QR4503 E 7 QR4504 E 7 QR4505 E 8 QR4506 F 8 QR4903 F 3 QR4904 F 3 QR4905 F 3 QR6001 B 3 QR6006 B 2 Transistor ADDRESS INFORMATION Transistor Resistor Connector Test Point Integ...

Page 60: ... TL7303 B 2 TL7304 B 2 PK7301 A 1 PK7302 A 2 ADDRESS INFORMATION Test Point Integrated Circuit Integrated Circuit NICAM DECODER PACK C B A NV FJ623EC ECN NICAM DECODER PACK C B A IC7301 TL7304 TL7303 TL7301 IC7302 PK7302 PK7301 C7343 1 A C B 3 2 ...

Page 61: ...EMODURATOR PACK C B A VR0701 IC0701 PP0701 Q0702 PK0701 1 A C B D 3 2 4 Q0702 A 3 IC0701 C 2 T0701 B 3 VR0701 D 2 PK0701 A 2 PP0701 B 1 ADDRESS INFORMATION Integrated Circuit Connector Adjustment Transistor TV DEMODULATOR PACK C B A ...

Page 62: ... 89 REC 5 0Vp p 10msec div IC6001 90 91 REC 5 0Vp p 10msec div IC6001 93 94 FF REW 5 0Vp p 1msec div IC6001 97 98 REC 5 0Vp p 10msec div IC6001 20 PAUSE 5 0Vp p 10msec div IC6001 21 REC 5 0Vp p 10msec div IC6001 24 REC 5 0Vp p 10msec div IC6001 61 REC 2 4Vp p 20µsec div IC3001 20 PLAY 150mVp p 20µsec div IC3001 24 REC PLAY 5 0Vp p 10msec div IC3001 37 REC PLAY 5 0Vp p 5msec div IC3001 38 REC PLAY ...

Page 63: ... 0 2 5 4 9 0 0 REW 0 0 0 0 5 0 4 9 4 9 0 0 0 0 0 0 0 0 0 0 4 9 4 9 1 5 2 1 4 9 1 9 0 0 2 4 4 9 0 0 Ref No MODE 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 STOP 1 9 2 1 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 4 9 4 9 0 0 0 0 0 0 5 2 5 2 0 0 0 0 2 7 PLAY 1 9 2 1 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 4 9 4 8 0 0 0 0 0 0 5 2 5 2 0 0 2 4 2 4 REC 1 9 2 1 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 4 9 4 8 0 0 0 0...

Page 64: ...er High High Low High 11 AV1_8IN I Input terminal for PB H from AV1 High 3 85V 5 0V Midd 1 82V 2 84V Low 0V 0 81V In In In In 12 N S T2 T3 I Mode select terminal NORMAL mode More than 4 0V SERVICE mode 2 5V 4 0V TEST_2 mode 1 0V 2 5V TEST_3 mode 0V 1 0V In In In In 13 S PHOTO I Tape end sensor input terminal Photo sensor input from supply side Black Tape more than 2 6V Lead Tape Less than 2 4V In ...

Page 65: ...for switch between EE and VV Low Low Low Low 38 D REC H O Output terminal for video recording current control Low Low Low Low 39 D A REC H O Control terminal for normal audio recording current Low Low Low Low 40 BIAS L O Bias oscillation Control terminal for Linear audio recording current High Hi Z Hi Z High 41 FM MUTE H O Output terminal for audio mute control High High Low High 42 FULL ERASE L O...

Page 66: ...the super power save mode Low High Low Low High 73 PB60Hz H O Switching terminal for NTSC FM Audio trap filter in PB VV PB Trick_PB A DUB A DUB PS mode and CTL is 60Hz High Other than above condition Low Low Low Low Low 74 ADUB H O Switching terminal for Bias oscillation noise filter in A DUB mode ADUB ADUB PS Including Assemble syncro AV Insert High Other than above condition Hi Z Hi Z Hi Z Hi Z ...

Page 67: ...ow Low Low 99 MAIN IIC CLK O IIC clock for AV1CHIP FM audio Tuner Decoder and RFC Not fix Low Low Low 100 MAIN IIC DATA I O IIC data for AV1CHIP FM audio Tuner Decoder and RFC Not fix Low Low Low 101 N C Low fix terminal Low Low Low Low 102 N C Low fix terminal Low Low Low Low 103 FG AMP OUT O Output from internal FG Amplifier 104 FG AMP IN I Input for internal FG Amplifier 105 GND A I GND 106 GND...

Page 68: ... out AV1 In H H OFF AV3 AV3 Mute Mute Mute AV3 In AV1 In SAT NO L VCR out AV1 In H H OFF SAT SAT Mute Mute Mute SAT AV1 In M H VCR out AV1 In H H OFF SAT SAT Mute Mute Mute SAT AV1 In SAT C L VCR out AV1 In H H OFF SAT SAT Mute Mute Mute SAT AV1 In M H VCR out AV1 In H H OFF SAT SAT Mute Mute Mute SAT AV1 In DECODER L NO TU L AV2 In AV1 In L L OFF TUN TUN AV2 In AV1 In Mute AV2 In AV1 In M H AV2 I...

Page 69: ...FF SAT SAT SAT SAT SAT SAT INSEL VV NO TU VCR out VCR out M H M H OFF TUN PB PB PB PB TUN INSEL C TU VCR out VCR out M H M H OFF TUN PB PB PB PB TUN INSEL AV1 VCR out VCR out M H M H OFF AV1 PB PB PB PB AV1 In INSEL AV2 VCR out VCR out M H M H OFF AV2 PB PB PB PB AV2 In INSEL AV3 VCR out VCR out M H M H OFF AV3 PB PB PB PB AV3 In INSEL SAT NO VCR out VCR out M H M H OFF SAT PB PB PB PB SAT INSEL S...

Page 70: ...CR out AV1 In H L OFF AV2 AV2 AV2 In AV1 In AV2 In AV2 In AV1 In AV2 L VCR out AV1 In H L OFF AV2 AV2 AV2 In AV1 In AV2 In AV2 In AV1 In M H VCR out AV1 In H L OFF AV2 AV2 AV2 In AV1 In AV2 In AV2 In AV1 In AV3 L VCR out AV1 In H L OFF AV3 AV3 AV3 In AV1 In AV3 In AV3 In AV1 In M H VCR out AV1 In H L OFF AV3 AV3 AV3 In AV1 In AV3 In AV3 In AV1 In SAT NO L VCR out AV1 In H L OFF SAT SAT SAT AV1 In ...

Page 71: ...UDIO OUTPUT R AUDIO SELECT H AUDIO L AUDIO R AV CONTROL AV CONTROL AV CONTROL SERIAL CLOCK AV CONTROL MODE AV CONTROL LEVEL METER R AV SW LEVEL METER L B MODE H BURST GATE PULSE BACK UP 5V BAND U BAND VL BILINGUAL MIX L BIL BIL L BIL H BIL M1 L BS CLOCK BS DATA BS LCH IN BS MIX H BS MON H BS MONI H BS RCH IN BS VIDEO BS VIDEO BS1 BS H BS LEVEL BS M H BS VTR H BUS CLK BUS LSN BUS TLK BUZZER CAP EC ...

Page 72: ...H FM AUDIO MUTE H FM OUTPUT L FM OUTPUT R FM PACK OUTPUT L FM PACK OUTPUT R FM BS SELECT L FM BS SELECT R FS CLOCK FULL ERASE HEAD ON H FULL ERASE HEAD ON H FULL E 12V GND A GND TU GND N SW 12V H SYNC H AMP SW H P R H P L H P GND H P OUT L H P OUT R H SW HEAD PHONE L HEAD PHONE R HEAD SW HEATER HEATER HSS HTR HTR I RFE ICL IF IN SELA1 IN SELA2 IN SELA3 INS L R L INS H INSEL A1 INSEL A2 INSERT INSE...

Page 73: ...PE PLAY H NORMAL H NR BIAS NTSC L CONTROL AGC CIRCUIT OUTPUT P OFF H P OFF L P FAIL P OFF H P OFF L PAL H PAL L NTSC H PB ADJ OUT PB OUT PB H PFG PHOTSN B PICT CNT PLAY LED RVS LED PLAY PO PLAY R LED PLY DEW POWER OFF L PREROLL H PWRFAIL R CH H R CH L R ST R S F RCH H REC 12V REC CHROMA REC H REC IN REC OUT L REC START REC VR C REC VR L REC VR R REC Y REC H REC C REC Y REC EE CTL REEL T REEL S REG...

Page 74: ... POSITION PAL STOP 2 POSITION STOP 2 POSITION SAFETY TAB SW STEREO H SUB BIAS SUB SW S VHS CASSETTE L SW 5V DETECT SYNC L SYSCON 5V SYSTEM T PHOTO T RL PLS T BUSCLK T BUSLSN T BUSTLK T END L T PHOTO TAPE END L TAPE END L CAM TEST TPZ TRIC L TRICK L TRK ENV TU AUDIO TU GND TU V IN TU VIDEO TUN NOR IN TUN R TUN AUDIO IN TUNER 12V TUNER L TUNER V IN TUNER L TUNER N TUNER R TUNER 12 TUOFF H TV AUDIO T...

Page 75: ...URING POINT AS FOLLOWS PRIMARY SIDE SECONDARY SIDE D1103 DF08S 6622 R S TO POWER SUPPLY RF SECTION TO SYSTEM CONTROL SERVO SECTION R1113 33 C1111 0 01 D1106 MA185 D1104 MA4027L R1109 1800 R1111 330 D1105 MA165 C1109 0 047 C1110 0 1 R1112 3 3 Q1104 2SD1992A VOLTAGE CONTROL 1 2 3 LR1101 VLP0392 R1106 330 C1108 0 022 2 3 4 5 6 7 8 18 17 16 15 14 13 12 11 10 R1110 100K C1112 1000P LB1106 J0JHC0000070 ...

Page 76: ...URING POINT AS FOLLOWS PRIMARY SIDE SECONDARY SIDE D1103 DF08S 6622 R S TO POWER SUPPLY RF SECTION TO SYSTEM CONTROL SERVO SECTION R1113 33 C1111 0 01 D1106 MA185 D1104 MA4027L R1109 1800 R1111 330 D1105 MA165 C1109 0 047 C1110 0 1 R1112 3 3 Q1104 2SD1992A VOLTAGE CONTROL 1 2 3 LR1101 VLP0392 R1106 330 C1108 0 022 2 3 4 5 6 7 8 18 17 16 15 14 13 12 11 10 R1110 100K C1112 1000P LB1106 J0JHC0000070 ...

Page 77: ... R1006 TO TIMER SECTION TO INPUT OUTPUT SECTION TO Hi Fi AUDIO SECTION TO LUMINANCE CHROMINANCE AUDIO SECTION TO SYSTEM CONTROL SERVO SECTION T TO POWER TRANSFORMER SECTION HEATER DC P P HEATER DC T HEATER S FIP S SLEEP T FIP 29V P UNREG 29V P UNREG 36V P UNREG 14V P GND S GND V GND A GND I GND T GND I GND A S GND FG S GND MOTOR S GND CYL P UNREG 6V POWER OFF S S S A A I V VIDEO 5V S REG 5V I PS 1...

Page 78: ... R1006 TO TIMER SECTION TO INPUT OUTPUT SECTION TO Hi Fi AUDIO SECTION TO LUMINANCE CHROMINANCE AUDIO SECTION TO SYSTEM CONTROL SERVO SECTION T TO POWER TRANSFORMER SECTION HEATER DC P P HEATER DC T HEATER S FIP S SLEEP T FIP 29V P UNREG 29V P UNREG 36V P UNREG 14V P GND S GND V GND A GND I GND T GND I GND A S GND FG S GND MOTOR S GND CYL P UNREG 6V POWER OFF S S S A A I V VIDEO 5V S REG 5V I PS 1...

Page 79: ... TO SYSTEM CONTROL SERVO SECTION REMAIN ET CVC VP EP SLP OFF S VHS CH REC STB SP ON NOTE THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE ORDERING WHEN YOU ORDER A PART PLEASE REFER TO PARTS LIST NOTE DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR TO POWER SUPPLY RF SECTION FIP CS S CLOCK S DATA S S S N SW 5V R 5600 R7502 EVQ11G07K S7501 REC 4300 R7503 EVQ11G07K S750...

Page 80: ... TO SYSTEM CONTROL SERVO SECTION REMAIN ET CVC VP EP SLP OFF S VHS CH REC STB SP ON NOTE THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE ORDERING WHEN YOU ORDER A PART PLEASE REFER TO PARTS LIST NOTE DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR TO POWER SUPPLY RF SECTION FIP CS S CLOCK S DATA S S S N SW 5V R 5600 R7502 EVQ11G07K S7501 REC 4300 R7503 EVQ11G07K S750...

Page 81: ...G AMP OUT FG AMP IN GND A GND PFG O REF I REF GND CTL HEAD CTL HEAD CTL AMP REF PB CTL OUT 5V A 5V AD R6017 1K UN2215 QR6001 18K R6003 1K R6018 1000P C6014 B11 B9 B8 B7 B6 B5 B4 A8 A7 A5 A4 A3 A2 A1 27K R6023 16V10 C6015 C2CBJG000215 IC6001 AVPB AV1 PB PROG ON A DEF AUDIO H SW VIDEO H SW ENV SELECT H AMP SW ROTARY SW ART V H N D FM REC V SYNC REC PLAY CAL ABS NORM T PHOTO S PHOTO N S T1 T2 AV1 PB ...

Page 82: ...G AMP OUT FG AMP IN GND A GND PFG O REF I REF GND CTL HEAD CTL HEAD CTL AMP REF PB CTL OUT 5V A 5V AD R6017 1K UN2215 QR6001 18K R6003 1K R6018 1000P C6014 B11 B9 B8 B7 B6 B5 B4 A8 A7 A5 A4 A3 A2 A1 27K R6023 16V10 C6015 C2CBJG000215 IC6001 AVPB AV1 PB PROG ON A DEF AUDIO H SW VIDEO H SW ENV SELECT H AMP SW ROTARY SW ART V H N D FM REC V SYNC REC PLAY CAL ABS NORM T PHOTO S PHOTO N S T1 T2 AV1 PB ...

Page 83: ...7 1 5 R2516 M3 ATC P3 P2 HE P1 GND PC DS ET POWER NPN Tr X3 B EMF DET CIRCUIT DISCHARGE CHARGE AMPLIFIER DIFFERENTIAL PRESET SYNC EXTERNAL AN3811NK IC2501 1 16 OSC SELECT MODE DISP PG FG SHAPER WAVE CONTROL TORQUE THD 16 15 14 13 12 5 4 3 2 1 6 7 8 9 10 11 VM M1 VCC FC FG PG M2 HE 33 R2515 35V4 7 C2524 P2901 A 2 TO CYLINDER STATOR P2502 9 M2 8 VH 7 M3 6 HE 5 GND CYL 4 VM 3 VM 2 HE 1 M1 C 1 TO CAPS...

Page 84: ...7 1 5 R2516 M3 ATC P3 P2 HE P1 GND PC DS ET POWER NPN Tr X3 B EMF DET CIRCUIT DISCHARGE CHARGE AMPLIFIER DIFFERENTIAL PRESET SYNC EXTERNAL AN3811NK IC2501 1 16 OSC SELECT MODE DISP PG FG SHAPER WAVE CONTROL TORQUE THD 16 15 14 13 12 5 4 3 2 1 6 7 8 9 10 11 VM M1 VCC FC FG PG M2 HE 33 R2515 35V4 7 C2524 P2901 A 2 TO CYLINDER STATOR P2502 9 M2 8 VH 7 M3 6 HE 5 GND CYL 4 VM 3 VM 2 HE 1 M1 C 1 TO CAPS...

Page 85: ...S S TRACKING ENV A4 A5 D REC S S CURR EMPH A6 A7 TUNER AUDIO N R A FM MUTE A8 A9 AUDIO OUT N A A AUDIO IN N A10 MUTE S A11 A17 AUDIO HEAD R AUDIO HEAD COM AUDIO HEAD L GND SP L SP COM SP R LP L LP COM LP R A AUDIO HEAD R AUDIO HEAD L A AUDIO HEAD COM A AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE VIDEO MAIN SIGNAL PATH IN REC MO...

Page 86: ...S S TRACKING ENV A4 A5 D REC S S CURR EMPH A6 A7 TUNER AUDIO N R A FM MUTE A8 A9 AUDIO OUT N A A AUDIO IN N A10 MUTE S A11 A17 AUDIO HEAD R AUDIO HEAD COM AUDIO HEAD L GND SP L SP COM SP R LP L LP COM LP R A AUDIO HEAD R AUDIO HEAD L A AUDIO HEAD COM A AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE VIDEO MAIN SIGNAL PATH IN REC MO...

Page 87: ...PB REC VIDEO OUT SELECT VCC DOP NORM VXO DET ACC ACC TRAP 6 6 TRAP 2 2 LP SP NTSC 6dB PEC EPC CK DET APC 1 4 ROT APC U D BURST BPF MAIN BM B NAP f ROT1 FH 2 FPC BM A TO DELAY A LPF MUTE HSS BM A CLIP NOISE SYNC ARTIF FO DET SVHS LIM DOUBLE DET DO DET ENV PEAKING MOD DTE NLDE NLE DEM FM 2 5dB LPF SUB NC2 AGC DET AGC SEP SYNC SWITCH SEC 3dB SP BPF SUB 2FSC 0H DL 0H DL 1H DL 2H DL BLANK PILOT BURST C...

Page 88: ...PB REC VIDEO OUT SELECT VCC DOP NORM VXO DET ACC ACC TRAP 6 6 TRAP 2 2 LP SP NTSC 6dB PEC EPC CK DET APC 1 4 ROT APC U D BURST BPF MAIN BM B NAP f ROT1 FH 2 FPC BM A TO DELAY A LPF MUTE HSS BM A CLIP NOISE SYNC ARTIF FO DET SVHS LIM DOUBLE DET DO DET ENV PEAKING MOD DTE NLDE NLE DEM FM 2 5dB LPF SUB NC2 AGC DET AGC SEP SYNC SWITCH SEC 3dB SP BPF SUB 2FSC 0H DL 0H DL 1H DL 2H DL BLANK PILOT BURST C...

Page 89: ...0 R4524 1K R4525 1K R4522 30K R4538 1K C4521 16V10 C4520 16V22 SWITCH RCH SWITCH LCH OUTPUT SELECT SWITCH RCH DET NORMAL OUTPUT SWITCH OUTPUT SELECT SWITCH LCH VREF INPUT SWITCH RCH INPUT SWITCH LCH GND L AGC SWITCH FM MODULATOR DEMODULATOR LPF PNR LCH AGC GND PREAMP SWITCH VCC REC DC2 ENV DET OUT REC AGC DET PNR RCH BPF BPF LPF FM MODULATOR DEMODULATOR AGC SWITCH MUTE CONTROL REC AGC ADJ GND R VC...

Page 90: ...0 R4524 1K R4525 1K R4522 30K R4538 1K C4521 16V10 C4520 16V22 SWITCH RCH SWITCH LCH OUTPUT SELECT SWITCH RCH DET NORMAL OUTPUT SWITCH OUTPUT SELECT SWITCH LCH VREF INPUT SWITCH RCH INPUT SWITCH LCH GND L AGC SWITCH FM MODULATOR DEMODULATOR LPF PNR LCH AGC GND PREAMP SWITCH VCC REC DC2 ENV DET OUT REC AGC DET PNR RCH BPF BPF LPF FM MODULATOR DEMODULATOR AGC SWITCH MUTE CONTROL REC AGC ADJ GND R VC...

Page 91: ...70P C4912 470P R4918 330 R4916 330 C4909 47P C4910 47P L4901 0 22u R4913 75 R4914 75 Q4903 2SD601A QR4903 UN2212 R4903 4700 C4905 470P C4906 470P LB4904 220 LB4903 220 C4907 47P C4908 47P C4903 470P C4904 470P R4912 330 R4906 330 R4911 75 R4908 75 QR4905 UN2215 QR4904 UN2215 B3 B7 B6 D4902 MA4051NM D4901 MA4051NM 1 3 5 7 9 11 13 15 17 19 21 2 4 6 8 10 12 14 16 18 20 JK4902 K1FB121B0003 AV2 1 2 3 4...

Page 92: ...70P C4912 470P R4918 330 R4916 330 C4909 47P C4910 47P L4901 0 22u R4913 75 R4914 75 Q4903 2SD601A QR4903 UN2212 R4903 4700 C4905 470P C4906 470P LB4904 220 LB4903 220 C4907 47P C4908 47P C4903 470P C4904 470P R4912 330 R4906 330 R4911 75 R4908 75 QR4905 UN2215 QR4904 UN2215 B3 B7 B6 D4902 MA4051NM D4901 MA4051NM 1 3 5 7 9 11 13 15 17 19 21 2 4 6 8 10 12 14 16 18 20 JK4902 K1FB121B0003 AV2 1 2 3 4...

Page 93: ... VIF AMP 1ST AMP AFT FLL VCO LPF AGC DET SIF 1ST X DET APC X DET VIDEO X TRAP AMP EQ SW AMP S PLL CONT FIL DEEMPHP DET FM AMP LIM BPF X BPF LA75503 IC0701 100 R0725 3P C0715 16V22 C0711 22K R0715 GND IF AGC 4MHz 4 3 2 1 TO TUNER UNIT PP0701 0 18u L0701 VLF1493 X0704 0 01 C0710 2 2u L0703 5 4 3 2 1 6 7 8 10 0 1 C0712 4700 R0719 0 033 C0704 1 C0714 6V330 C0713 10K R0708 1 C0701 1 C0703 1000P C0702 3...

Page 94: ... VIF AMP 1ST AMP AFT FLL VCO LPF AGC DET SIF 1ST X DET APC X DET VIDEO X TRAP AMP EQ SW AMP S PLL CONT FIL DEEMPHP DET FM AMP LIM BPF X BPF LA75503 IC0701 100 R0725 3P C0715 16V22 C0711 22K R0715 GND IF AGC 4MHz 4 3 2 1 TO TUNER UNIT PP0701 0 18u L0701 VLF1493 X0704 0 01 C0710 2 2u L0703 5 4 3 2 1 6 7 8 10 0 1 C0712 4700 R0719 0 033 C0704 1 C0714 6V330 C0713 10K R0708 1 C0701 1 C0703 1000P C0702 3...

Page 95: ... 0 C7311 0 IC7301 TDA9874AH R7328 220 C7319 16V10 C7320 16V10 R7329 220 C7324 0 1 C7325 0 1 LB7301 0 INPUT SWITCH AGC ADC FM AM DEMODULATION IDENTIFI CATION DEMATRIX 2 CHANNEL ANALOG SATELLITE DECODER DIGITAL SELECTOR IIC BUS INTERFACE NICAM DEMODULATION NICAM DECODER LEVEL ADJUST IIC BUS INTERFACE POST FILTER 3 DACS ANALOG CROSSBAR SWITCH 2 CHANNEL OUTPUT BUFFERS MONO CHANNEL OUTPUT BUFFERS SYS C...

Page 96: ... 0 C7311 0 IC7301 TDA9874AH R7328 220 C7319 16V10 C7320 16V10 R7329 220 C7324 0 1 C7325 0 1 LB7301 0 INPUT SWITCH AGC ADC FM AM DEMODULATION IDENTIFI CATION DEMATRIX 2 CHANNEL ANALOG SATELLITE DECODER DIGITAL SELECTOR IIC BUS INTERFACE NICAM DEMODULATION NICAM DECODER LEVEL ADJUST IIC BUS INTERFACE POST FILTER 3 DACS ANALOG CROSSBAR SWITCH 2 CHANNEL OUTPUT BUFFERS MONO CHANNEL OUTPUT BUFFERS SYS C...

Page 97: ...NG P0201 1 2 3 4 R0206 R0207 4 3 1 2 R0208 2 1 3 4 R0209 2 1 3 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 H3 H3 H1 H1 H2 H2 ED S GND VH EC ECR TL PCV PC1 VCC NC VM1 A3 A1 ATC A2 OUT2 RNF OUT1 VM2 RIN FIN CONTROL LOGIC TSD C0201 R0204 C0208 C0209 C0210 A3 A1 A2 DRIVER DRIVER EC AMP TL AMP AMP IC0201 1 A L0201 RCC SET VCC R0201 R0211 C0206 2 3 4 5 B C D ...

Page 98: ...NG P0201 1 2 3 4 R0206 R0207 4 3 1 2 R0208 2 1 3 4 R0209 2 1 3 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 H3 H3 H1 H1 H2 H2 ED S GND VH EC ECR TL PCV PC1 VCC NC VM1 A3 A1 ATC A2 OUT2 RNF OUT1 VM2 RIN FIN CONTROL LOGIC TSD C0201 R0204 C0208 C0209 C0210 A3 A1 A2 DRIVER DRIVER EC AMP TL AMP AMP IC0201 1 A L0201 RCC SET VCC R0201 R0211 C0206 2 3 4 5 B C D ...

Page 99: ... P3502 P3502 22 21 24 CONTROL SYSTEM FROM D FM REC QR4502 MUTE MUTE QR4501 MAIN SIGNAL PATH IN PLAYBACK MODE MAIN SIGNAL PATH IN REC MODE IC3001 CONTROL SYSTEM TO FROM SYS IIC DATA SYS IIC CLOCK 43 42 INTERFACE IIC BUS TUNER TO AC HEAD TO FROM A HEAD R A HEAD W TV DEMODU DECODER FROM TUNER AUDIO N 75 4 2 GAIN SW ALC 7 8 61 73 71 78 62 DECODER FROM TUNER AUDIO R TUNER AUDIO L 13 8 59 RFC AUDIO OUT ...

Page 100: ...KE UP PHOTO 14 CYLINDER STATOR UNIT MAIN COIL 3 MAIN COIL 1 MAIN COIL 2 IC HALL P2901 5V REG 14V UNREG VH HE HE GND M3 M1 VM M2 2 4 8 5 3 9 1 6 7 P2502 8 P2502 6 P2502 2 P2502 5 P2502 7 P2502 1 P2502 3 4 P2502 9 CYLINDER MOTOR DRIVE IC2501 6 7 16 1 SCHMIT DRIVE MOTOR 2 AMPLIFIER DIFFERENTIAL CONTROL TORQUE PG FG 9 4 TORQUE ERROR CYLINDER 80 CYL PFG 107 SW MODE S1501 4 3 2 1 POSITION SW1 46 44 POSI...

Page 101: ...AL PATH IN REC MODE MAIN SIGNAL PATH IN PLAYBACK MODE SYS IIC DATA CONTROL SYSTEM TO FROM SYS IIC CLOCK CONTROL SYSTEM FROM ART V H N QR4903 12V PS Q4903 RED VIDEO IN VIDEO OUT BLANKING GREEN BLUE PB 12V 11 7 8 15 16 19 DECODER EXT AV2 JK4902 20 VIDEO IN VIDEO OUT BLANKING RED GREEN BLUE PB 12V TV AV1 JK4903 20 19 16 15 11 7 8 DEMODULATOR FROM TV TUNER VIDEO TO TUNER RFC VIDEO OUT CONTROL SYSTEM T...

Page 102: ...I VV LP EE EE VV DET ACC VV ALTERNATION NTSC FAMI ADJ REC C FAMI 2 2M 4 43M PB 2 2 1 79M 4 43 3 58M BM B CACC BPF 630KHz VV EE 0HDL 1HDL 2HDL 0HDL FAMI 3 58M 2 2M PB 630K 2 2 1 79M REC 4 43 3 58M BM A ACC LPF EE UP DOWN BURST FAMI VV FAMI VV EE FAMI EE 4 43M 3 58M BPF VV 1 79M NTSC PB PAL PB 2 2M FAMI 3 58M BPF VV FAMI PEAKING 20 DET ENV LIM DOUB LPF SUB DEM FM C CLP1 EE NC2 PICT NC1 FAMI VV NOR D...

Page 103: ...A1 ATC A2 OUT2 RNF OUT1 VM2 RIN FIN CONTROL LOGIC TSD C0201 R0204 C0208 C0209 C0210 A3 A1 A2 DRIVER DRIVER EC AMP TL AMP AMP IC0201 1 A L0201 RCC SET VCC R0201 R0211 C0206 2 3 4 5 B C D VM1 DIFFERENTAL AMP POSITION SIGNAL PROCESS TORQUE DIRECTION HALL POWER TO SYSTEM CONTROL SERVO SECTION P2501 F 17 C0207 D0203 R0210 R0213 R0212 Q0203 Q0202 Q0201 6 7 TL0201 CAPSTAN MOTOR DRIVE FG HEAD TL0204 TL020...

Page 104: ...COIL 3 MAIN COIL 1 TO SYSTEM CONTROL SERVO SECTION P2502 B 21 NOTE DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING WHEN YOU ORDER A PART PLEASE REFER TO PARTS LIST P2901 A 1 2 3 CYLINDER SERVO SPEED LOOP NV FJ623EC ECN CYLINDER STATOR SCHEMATIC DIAGRAM ...

Page 105: ...22 30K R4538 1K C4521 16V10 C4520 16V22 SWITCH RCH SWITCH LCH OUTPUT SELECT SWITCH RCH DET NORMAL OUTPUT SWITCH OUTPUT SELECT SWITCH LCH VREF INPUT SWITCH RCH INPUT SWITCH LCH GND L AGC SWITCH FM MODULATOR DEMODULATOR LPF PNR LCH AGC GND PREAMP SWITCH VCC REC DC2 ENV DET OUT REC AGC DET PNR RCH BPF BPF LPF FM MODULATOR DEMODULATOR AGC SWITCH MUTE CONTROL REC AGC ADJ GND R VCC VCO FO IIC BUS INTERF...

Page 106: ... R4916 330 C4909 47P C4910 47P L4901 0 22u R4913 75 R4914 75 Q4903 2SD601A QR4903 UN2212 R4903 4700 C4905 470P C4906 470P LB4904 220 LB4903 220 C4907 47P C4908 47P C4903 470P C4904 470P R4912 330 R4906 330 R4911 75 R4908 75 QR4905 UN2215 QR4904 UN2215 B3 B7 B6 D4902 MA4051NM D4901 MA4051NM 1 3 5 7 9 11 13 15 17 19 21 2 4 6 8 10 12 14 16 18 20 JK4902 K1FB121B0003 AV2 1 2 3 4 5 6 7 8 9 10 11 12 13 1...

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Summary of Contents for NV-FJ623EC

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Summary of Contents for NV-FJ623EC

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