Panasonic NV-FJ623EG Service Manual Download Page 44

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:TO LUMINANCE & CHROMINANCE/AUDIO SECTION

:TO SYSTEM CONTROL & SERVO SECTION

NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON

THIS DIAGRAM IS RECORD MODE WITH PAL COLOUR.(SP MODE)

:TO POWER SUPPLY/RF SECTION

R
R

GND
GND (A)

QR4905
UN2215

D4902
MA4051NM

D4901
MA4051NM

JK4903
K1FB121B0003
(AV1)

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20
21

AUDIO IN (R)

AUDIO OUT (R)

AUDIO OUT (L)
GND (A)
GND
AUDIO IN (L)

PB +12V
GND
IIC CLOCK

GND
GND

GND
GND
VIDEO OUT
VIDEO IN
GND

OSD IIC DATA

OSD IIC CLOCK

PROG.

AV1 PB 12V

AV1 PB

VIDEO OUT

PS 12V

VIDEO IN

AUDIO IN1 (L)

AUDIO OUT1 (R)

QR4904
UN2215

Q4901
2SD601A

R4910
470K

D4904
MA165

R4902
470

R4946
22K

R4945
15K

R4909
22K

Q4904
2SB709A

R4901
470

L4904
0

C4927
6V470

R4914
75

R4913
75

IIC DATA

R4918
330

R4916
330

C4913
470P

L4901
0.22u

C4910
47P

C4909
47P

VIDEO MAIN SIGNAL PATH IN REC MODE

VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE

AUDIO MAIN SIGNAL PATH IN REC MODE

AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE

THE MEASUREMENT MODE OF THE DC VOLTAGE OUT THE BRACKETS( )ON
THIS DIAGRAM IS RECORD MODE WITH PAL COLOUR SIGNAL.(SP MODE)

NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR

ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.

R4928
0

C4912
470P

AUDIO IN1 (R)

AUDIO OUT1 (L)

C4915
470P

C4914
470P

LB4906
220

LB4905
220

:TO Hi-Fi AUDIO SECTION

TW3003

TW3002

TW4902

TW4906

TW4907

(AMP)

1.3

0.6

12.3
(0)

12.3

11.7
(0)

0.3

4.8

0.3

4.8

TW4901

TW4903

RFC VIDEO OUT

C4941
0.1

(PROG.

:ON)

(PROG.

:ON)

(AV1 PB

:ON)

NV-FJ623EG/EGY,FJ628EE
INPUT/OUTPUT SECTION
SCHEMATIC DIAGRAM

Summary of Contents for NV-FJ623EG

Page 1: ...ORDER NO VRD0202004C2 Video Cassette Recorder l NV FJ623EG NV FJ623EGY NV FJ628EE Z MECHANISM 2002 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law ...

Page 2: ...ce manual to be filed with original service manual Note 1 Adjustment procedures Disassembly Procedures and Assembly Procedures for Mechanism Chassis are separate volume from this service manual Please refer to the service manual for Z Mechanism Chassis Order No VRD9802005C2 2 The Model No is indicated on the Schematic Diagram and Circuit Board Diagrams as follows Model No Indication Mark NV FJ623E...

Page 3: ... PROCEDURE F I P DISPLAY Turn on the Service Mode 1 Press the FF key and the EJECT key simultaneously for more than 3 seconds Activate the Service Mode 2 2 While keep placing FF key press the EJECT key in twice Activate the Entering Mode 3 Press the EJECT key for more than 3 seconds Set the Mode 2 4 Press the CH UP key in twice Display the Setting Code 5 Press the POWER Button to turn the power on...

Page 4: ... is still not available perform the Electrical Adjustment continuously Model No Model Code Option Code 1 Option Code 2 Option Code 3 NV FJ623EG EGY 65 41h 125 7Dh 196 C4h 6 6h NV FJ628EE 70 46h 121 79h 196 C4h 6 6h Fig S2 Model Code Option Code ...

Page 5: ...ng 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 unit Fig S3 2 UPPER CYLINDER DISASSEMBLY A Remove 2 screws A B Remove the Cylinder Stator Unit C Remove 2 screws B D Remove the Cylinder Rotor Unit E Loose Hex screw C 1 5 mm and remove the CYLINDER ...

Page 6: ...e steps in the reverse order Notes A Install the Cylinder Retainer so that the 2 holes on top of the Cylinder Retainer are at right angles with the P3502 Connection B Tighten the Hex screw C 1 5 mm while pressing down on top of the Cylinder Retainer Fig S5 ...

Page 7: ...inder Rotor Unit fits to the small projection D on top of the Upper Cylinder D Tighten 2 screws B Fig S6 E install the Cylinder Stator Unit F Tighten 2 screws A Fig S7 G Confirm the PG SHIFTER ADJUSTMENT with the alignment tape PAL VFJ8125H3F and adjust it if necessary ...

Page 8: ... 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 ...

Page 9: ...Loading Motor for unloading operation Pay an attention of tape slack 2 Manual Operation A Disconnect the AC Mains Lead and remove 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 cloc...

Page 10: ...hard and sticky clogging on video heads 3 These improve the efficiency of video head cleaning service and shortening cleaning time for end users Note The tape material itself is the same in both types 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...

Page 11: ...3 Mechanism locks during mode transition except EJECT mode 1 Check the loading motor drive circuit 2 Check the mechanism phase alignment 3 Check the mode switch 04 Mechanism locks during tape unloading 1 Check the loading motor drive circuit 2 Check the mechanism phase alignment 06 Mechanism locks after tape unloading in EJECT mode 1 Check the loading motor drive circuit 2 Check the mechanism phas...

Page 12: ...LY FLOW CHART This flow chart indicates disassembly steps of the cabinet parts and the circuit boards in order to find the necessary items for servicing When reassembling perform the steps in the reverse order Fig D1 ...

Page 13: ... REMOVAL OF THE MECHANISM UNIT Note A Keep pressing 2 stoppers on Cassette Holder Plate and Press Cassette Holder Plate to the rear B Remove the Mechanism Unit after bend the Cylinder Shield in the direction of the arrow Fig D4 Remove 4 Screws A Unlock 7 Tabs B Remove Screw C Remove 3 Screws D Remove 2 Screws E ...

Page 14: ...VAL OF THE MAIN C B A 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 Remove 4 Screws F Unlock 4 Tabs G ...

Page 15: ...5 SERVICING POSITION Fig D7 3 2 MECHANICAL ADJUSTMENT PROCEDURES Refer to the Service Manual for Z Mechanism Chassis Order No VRD9802005C2 ...

Page 16: ...er 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 1 TAPE SPEED SP 2 CHANNEL AV1 Set to signal input terminal number ...

Page 17: ...EJECT key for 3 seconds Press the CH UP key once Insert the Alignment cassette 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 i...

Page 18: ...ROCEDURES 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 for 3 seconds Press the CH UP and or CH DOWN key until 11 is displayed on FIP Insert the Self recorded tape and playback it SP LP EP mode Connect the Oscilloscope to CH1 Video Out TW3002 CH2 V FREQ TW6002 Press t...

Page 19: ...3 3 7 LOCATION OF TEST POINTS CONTROLS 3 3 8 CIRCUIT BOARD LAYOUT ...

Page 20: ...IO OUTPUT L AUDIO 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 B...

Page 21: ...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 22: ...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 23: ... 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 24: ...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 25: ...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 26: ...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 27: ...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 28: ... 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 29: ...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 30: ...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 31: ... 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 32: ... 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 0 0 5 2 5 2 0 0 2 4 2 4 F F 1 9 2 1 0 0 0 0 0 0 0 0 0...

Page 33: ...P 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 POSITION...

Page 34: ...L TRAP HPF AGC DET RF AGC Y C 15 PREAMP H SW AMP H AMP SW LP COM it is not recorded correctly FAMI MODE When setting the NTSC CONVERTER to ON on the OSD Screen Display the signals from NTSC Signal Source ex NTSC GAME Machine connected to the VCR can be appeared on the PAL TV However when recording EE VV IIC BUS TRANSCEIVER 38 37 SYS IIC CLOCK TO FROM SYSTEM CONTROL SYS IIC DATA FSC FROM SYSTEM CON...

Page 35: ...ODE MAIN SIGNAL PATH IN PLAYBACK MODE QR7601 QR4501 MUTE MUTE QR4502 D FM REC FROM SYSTEM CONTROL 24 21 22 P3502 P3502 P3502 8 9 10 L R Hi Fi AUDIO HEAD TW4907 TW4903 TW4902 9 TW4901 INPUT SELECT SWITCH RCH INPUT SELECT SWITCH LCH OUTPUT SELECT SWITCH RCH OUTPUT SELECT SWITCH LCH PNR RCH PNR LCH NORMAL SELECT SWITCH FM MODULATOR DEMODULATOR AGC SWITCH LPF AGC PREAMP SWITCH 29 30 BPF BPF LPF FM MOD...

Page 36: ...DARY 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 VOLTAGE ...

Page 37: ...STEM CONTROL SERVO SECTION TO LUMINANCE CHROMINANCE AUDIO SECTION TO Hi Fi AUDIO SECTION TO INPUT OUTPUT SECTION TO TIMER SECTION R1006 10K R1007 10K R1011 5600 Q1002 2SD602A R1003 56K R1004 56K R1009 22K R1008 22K Q1006 2SD601A QR1001 UN2112 R1027 10K Q1007 2SC1959Y C1011 0 1 D1005 0 C1010 25V47 D1008 MA4130NL D1012 0 R1001 68K R1002 68K R1023 10K Q1010 2SC1959Y Q1001 2SC1959Y C1001 0 1 C1012 10V...

Page 38: ... 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 EVQ...

Page 39: ...3 18K QR6001 UN2215 R6017 1K 5V AD 5V A PB CTL OUT CTL AMP REF CTL HEAD CTL HEAD GND I REF O REF PFG GND GND A FG AMP IN FG AMP OUT NC NC SYS IIC DATA SYS IIC CLK OSD IIC DATA OSD IIC CLK EEP WR DAVN S REEL PULSE T REEL PULSE FLD CS FLD T2 DATA OUT FLD T2 DATA IN FLD T2 CLK FLASH DATA OUT GND D 20MHz IN 20MHz OUT 5V D 32KHz IN 32KHz OUT VC OUT V EE D REC D A REC BIAS FM MUTE FULL ERASE POWER KEY P...

Page 40: ...PC GND P1 HE P2 P3 ATC M3 R2516 1 5 R2517 1 2 C2517 6V47 C2521 0 15 C2522 0 15 C2523 0 15 C2520 0 068 C3 C2518 0 047 L2501 68u R2509 330 C2519 25V47 R2511 33 C2516 35V4 7 R2510 33 C2515 35V4 7 12 13 14 15 16 17 18 C8 R2512 1K A28 5 6 7 4 3 2 1 8 VSS PBI PBO PRE SDA SCL MODE VCC L6001 100u R7714 4700 C6001 6V47 R7713 4700 R7712 4700 C7707 0 1 A32 A29 I OSD IIC DATA I OSD IIC CLOCK VIDEO OUT I C9 UN...

Page 41: ...5 4 3 2 1 NC NC NC NC NC NC NC GND GND HEAD AMP SW HEAD SW IC3501 AN3368SB HA1 L H HA2 L H HA3 H L HA4 H L CHROMA AMP 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 NC NC NC NC CURR EMPH NC NC GND NC VCC AT ZAP CMP DET DET A2 A1 C3003 1000P C3002 1000P A19 A20 A16 LB3501 VLP0147 C3506 0 1 A18 LB3502 VLP0147 C3507 0 1 LB3503 VLP0147 C3508 0 1 A17 A15 LB3504 VLP0147 C3509 0 1 R4001 1K QR4001 ...

Page 42: ... VIDEO OUT SELECT REC PB Y2 FAMI VV Y3 FAMI EE VV EE FAMI SQPB REC PB DO H Y1 FAMI VV EE CK REC CHR REC SECL PB A FAMI A B B SQPB VHS EE CK VV SP LP VV EE ROT 2 1 4 2FSC BPF X2 I 2 C TINT S3 C C VV SP FAMI VV LP S1 S2 VV FAMI EE SECVV EE VV FAMI CPN CPS NON COR FAMI S5 VV EE SECAM ID L SEC ME SEC L ME VIDEO EE S4 VV BPF 630 CACC DET CACC VV EE VV EE VV EE FSC EE VV SEC MUTE 2FSC EE R3018 100 C3022...

Page 43: ...10 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 INTERFACE C4501 16V10 C4502 16V...

Page 44: ...R4902 470 R4946 22K R4945 15K R4909 22K Q4904 2SB709A R4901 470 L4904 0 C4927 6V470 R4914 75 R4913 75 IIC DATA R4918 330 R4916 330 C4913 470P L4901 0 22u C4910 47P C4909 47P VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE THE MEASUREMENT MODE OF THE DC VOLTAGE OUT THE BRACKETS ON THIS DIAGRAM IS R...

Page 45: ...M DET DEEMPHP FIL CONT S PLL AMP SW EQ AMP TRAP X VIDEO DET X APC DET X 1ST SIF DET AGC LPF VCO FLL AFT AMP 1ST AMP VIF AMP IF AGC RF AGC TO POWER SUPPLY RF SECTION DU7601 D 10 VIDEO SIGNAL PATH AUDIO SIGNAL PATH NOTE DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING WHEN YOU ORDER A PART PLEASE REFER TO PARTS LIST NOTE THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM I...

Page 46: ...7302 R7309 220 C7319 16V47 TL7301 C7320 4700P C7321 50V0 47 C7309 0 01 C7308 50V0 47 C7310 0 01 C7327 1500P C7328 1500P R7320 3300 R7319 3300 R7308 6800 C7312 16V10 R7317 0 R7307 6800 C7313 16V10 R7318 0 C7316 0 1 C7317 6V100 R7314 3300 C7326 1500P R7315 0 C7318 16V10 R7316 6800 C7303 50V0 47 C7302 50V0 47 R7304 4700 VR7301 10KB C7301 0 01 R7301 0 C7323 0 1 R7311 7500 R7312 100 R7313 100 C7322 50V...

Page 47: ... 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 CLK VDDD3 VSSD3 P1...

Page 48: ... 3 MAIN COIL 1 TO SYSTEM CONTROL SERVO SECTION P2502 B 18 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 FJ623EG EGY FJ628EE CYLINDER STATOR SCHEMATIC DIAGRAM ...

Page 49: ...TC 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 18 C0207 D0203 R0210 R0213 R0212 Q0203 Q0202 Q0201 6 7 TL0201 CAPSTAN MOTOR DRIVE FG HEAD TL0204 TL0202 TL...

Page 50: ...CODER PACK C B A VR7301 TL7303 TL7302 TL7301 PK7302 PK7301 IC7301 1 A C B 3 2 IC7301 B 2 TL7301 A 2 TL7302 B 2 TL7303 B 1 VR7301 C 1 PK7301 A 1 PK7302 A 2 ADDRESS INFORMATION Test Point Connector Adjustment Integrated Circuit DECODER PACK C B A ...

Page 51: ...301 A 2 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 FJ628EE NICAM DECODER PACK C B A IC7301 TL7304 TL7303 TL7301 IC7302 PK7302 PK7301 C7343 1 A C B 3 2 ...

Page 52: ...W391 W385 W384 W415 W416 W383 W375 W376 W377 W417 W382 W381 K7605 W721 K7602 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 W438 W437 W435 W434 W433 W733 K7616 W436 K1213 K7502 W317 W316 W738 W343 W342 W341 W340 W33...

Page 53: ...02 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 Q4904 E 4 Q7707 B 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 QR4505 E 8 QR4506 F 8 QR4904 F 3 QR4905 F 3 QR6001 B 3 QR6006 B 2 QR7601 C 8 Transistor ADDRESS INFORMATION Transistor Resistor Connector Test Point Integrated Circuit MAIN C...

Page 54: ...1 A B 3 2 HALL IC P2901 8 M3 2 9 5 1 M1 VM VM VM M2 VEM0715 NV FJ623EG EGY FJ628EE CYLINDER STATOR UNIT HALL IC B 3 P2901 A 3 CYLINDER STATOR UNIT Integrated Circuit Connector ADDRESS INFORMATION ...

Page 55: ... TV DEMODURATOR PACK C B A VR0701 IC0701 PP0701 Q0702 PK0701 LB0701 EE EG EGY EE EE EE EG EGY 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 ...

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Page 59: ...6 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 POST 39 VMA9672 SUPPORT ANGLE 41 VXL2667 TAKE UP BRAKE ARM UNIT 43 VXL2670 TAKE UP LOADING ARM UNIT 44 VXL2793 TENSION ARM UNIT 45 VXL2672 SUPPLY LOADING ARM UNIT 46 VXL2785 PINCH ARM UNIT 47 VXL2996 P5 ARM UNIT 48 VXL2792 IDLER ARM UNIT 49 VXL...

Page 60: ...PRING 115 VKU0575 BOTTOM PLATE MAVD 116 VMZ3099 VO SHEET MAVD 117 VJH1176 AV JACK PLATE MAVD 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...

Page 61: ...00022 REMOTE CONTROLLER MAVD 203 R0185 720010 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...

Page 62: ...A063 C0702 ECUX1H102KBV C CAPACITOR CH 50V 1000P C0703 ECUM1A105KBN C CAPACITOR CH 10V 1U F1J1A1050002 C0704 ECUV1E333KBN C CAPACITOR CH 25V 0 033U C0707 ECEA1HKS2R2 E CAPACITOR 50V 2 2U C0708 ECEA1HKAR47B E CAPACITOR 50V 0 47U C0710 ECUX1H103ZFV C CAPACITOR CH 50V 0 01U ECJ1XF1H103Z C0711 ECEA1CKS220 E CAPACITOR 16V 22U C0712 ECUX1C104ZFV C CAPACITOR CH 16V 0 1U C0713 ECEA0JKS331 E CAPACITOR 6 3V...

Page 63: ...K C2505 ECUX1C563KBV C CAPACITOR CH 16V 0 056U MAVD C2506 ECUX1C563KBV C CAPACITOR CH 16V 0 056U MAVD C2507 ECUX1C563KBV C CAPACITOR CH 16V 0 056U MAVD C2508 ECUX1C104ZFV C CAPACITOR CH 16V 0 1U C2509 ECUX1C474ZFV C CAPACITOR CH 16V 0 47U C2510 ECUX1H330JCV C CAPACITOR CH 50V 33P ECJ1XC1H330J C2511 ECEA0JKN220B E CAPACITOR 6 3V 22U C2512 ECEA1EKS4R7 E CAPACITOR 25V 4 7U C2513 ECUX1H392KBV C CAPACI...

Page 64: ...21JCV C CAPACITOR CH 50V 220P ECJ1XC1H221J C3050 ECEA1AKS220 E CAPACITOR 10V 22U C3051 ECUX1H681JCV C CAPACITOR CH 50V 680P C3052 ECUX1H820JCV C CAPACITOR CH 50V 82P C3053 ECUX1H680JCV C CAPACITOR CH 50V 68P C3054 ECUX1H680JCV C CAPACITOR CH 50V 68P C3501 ECEA0JKS470 E CAPACITOR 6 3V 47U C3502 ECUX1H103KBV C CAPACITOR CH 50V 0 01U C3503 ECUX1H103KBV C CAPACITOR CH 50V 0 01U C3505 ECUX1H103KBV C CA...

Page 65: ...APACITOR CH 50V 150P ECJ1XC1H151J C4512 ECUX1H151JCV C CAPACITOR CH 50V 150P ECJ1XC1H151J C4513 ECUX1H103ZFV C CAPACITOR CH 50V 0 01U ECJ1XF1H103Z C4514 ECUX1H103ZFV C CAPACITOR CH 50V 0 01U ECJ1XF1H103Z C4515 ECEA0JKS101 E CAPACITOR 6 3V 100U C4516 ECUX1C104ZFV C CAPACITOR CH 16V 0 1U C4518 ECUV1C224KBN C CAPACITOR CH 16V 0 22U ECJ2VB1C224K C4519 ECQB1H153JF3 P CAPACITOR 50V 0 015U C4520 ECEA1CKS...

Page 66: ...CAPACITOR CH 50V 33P 2 ECJ1XC1H330J C7307 ECUV1H681JCN C CAPACITOR CH 50V 680P 1 C7307 ECUX1H103ZFV C CAPACITOR CH 50V 0 01U 2 ECJ1XF1H103Z C7308 ECEA1HKNR47B E CAPACITOR 50V 0 47U 1 C7308 ECEA1HKS2R2 E CAPACITOR 50V 2 2U 2 C7309 ECUV1H103KBN C CAPACITOR CH 50V 0 01U 1 ECJ2VB1H103K C7310 ECUV1H103KBN C CAPACITOR CH 50V 0 01U 1 ECJ2VB1H103K C7311 ERJ3GEY0R00 M RESISTOR CH 1 16W 0 2 C7312 ECEA1CKS10...

Page 67: ...0 ECUX1C104ZFV C CAPACITOR CH 16V 0 1U 2 C7623 ECUX1H103ZFV C CAPACITOR CH 50V 0 01U 2 ECJ1XF1H103Z C7625 ECUX1H222KBV C CAPACITOR CH 50V 2200P 2 ECJ1XB1H222K C7626 ECUX1H222KBV C CAPACITOR CH 50V 2200P 2 ECJ1XB1H222K C7627 ECUX1H103ZFV C CAPACITOR CH 50V 0 01U ECJ1XF1H103Z C7703 ECUX1C104ZFV C CAPACITOR CH 16V 0 1U C7704 ECEA0JKS470 E CAPACITOR 6 3V 47U C7707 ECUX1C104ZFV C CAPACITOR CH 16V 0 1U ...

Page 68: ...00015 JK4903 K1FB121B0003 SOCKET MAVD K0701 ECUX1H560JCV C CAPACITOR CH 50V 56P 1 K0703 ERJ3GEY0R00 M RESISTOR CH 1 16W 0 K0707 ERJ3GEY0R00 M RESISTOR CH 1 16W 0 K0709 ERJ3GEY0R00 M RESISTOR CH 1 16W 0 K1213 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K3003 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K3506 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 K3508 ERJ6GEY0R00V M RESISTOR CH 1 1...

Page 69: ...00UH L4003 VLQ0599J680 COIL 68UH G0C680JA0026 L4502 VLQ0599J1R2 COIL 1 2UH G0C1R2JA0026 L4901 VLQ0599JR22 COIL 0 22UH L6001 VLQ0599J101 COIL 100UH G0C101JA0026 L7302 VLQ0599J1R0 COIL 1UH 2 G0C1R0JA0026 L7601 VLQ0599J330 COIL 33UH G0C330JA0026 L7602 VLQ0599J270 COIL 27UH G0C270JA0026 L7603 VLQ0599J270 COIL 27UH G0C270JA0026 L7604 VLQ0599J2R2 COIL 2 2UH G0C2R2JA0026 L7607 VLQ0599J100 COIL 10UH 2 G0C...

Page 70: ...Y TRANSISTOR Q1011 2SD601A R TRANSISTOR 2SD0601AR Q1101 2SK2876 TRANSISTOR MAVD Q1102 B1DEDR000003 TRANSISTOR Q1103 2SC3311A S TRANSISTOR 2SC3311AS Q1104 2SD1992A R TRANSISTOR Q1201 PS2561L2V13W PHOTO COUPLER Q1501 PNB2301MBV TRANSISTOR Q1502 PNB2301MAV TRANSISTOR Q4001 2SD601A R TRANSISTOR 2SD0601AR Q4002 2SD601A R TRANSISTOR 2SD0601AR Q4005 2SB710 R TRANSISTOR 2SB07100R Q4006 2SD602A R TRANSISTO...

Page 71: ...R CH 1 10W 68K R1002 ERJ6GEYG683 M RESISTOR CH 1 10W 68K R1003 ERJ6GEYJ563 M RESISTOR CH 1 10W 56K R1004 ERJ6GEYJ563 M RESISTOR CH 1 10W 56K R1006 ERJ6GEYG103 M RESISTOR CH 1 10W 10K R1007 ERJ6GEYG103 M RESISTOR CH 1 10W 10K R1008 ERJ6GEYJ223 M RESISTOR CH 1 10W 22K R1009 ERJ6GEYJ223 M RESISTOR CH 1 10W 22K R1010 ERDS2FJ103 C RESISTOR 1 4W 10K R1011 ERJ6GEYG562 M RESISTOR CH 1 10W 5 6K R1012 ERDS2...

Page 72: ...330T R2512 ERJ6GEYG102 M RESISTOR CH 1 10W 1K R2515 ERDS2FJ330 C RESISTOR 1 4W 33 ERDS2TJ330T R2516 ERJ6GEYJ1R5 M RESISTOR CH 1 10W 1 5 MAVD R2517 ERJ6GEYJ1R2 M RESISTOR CH 1 10W 1 2 R3002 ERJ6GEYG183 M RESISTOR CH 1 10W 18K R3006 ERJ6GEYG271 M RESISTOR CH 1 10W 270 R3007 ERJ6GEYG331 M RESISTOR CH 1 10W 330 R3012 ERJ6GEYJ472V M RESISTOR CH 1 10W 4 7K R3013 ERJ6GEYG104 M RESISTOR CH 1 10W 100K 2 R3...

Page 73: ...R4028 ERJ6GEYG272 M RESISTOR CH 1 10W 2 7K R4029 ERJ6GEYG332 M RESISTOR CH 1 10W 3 3K R4030 ERJ6GEYF822 M RESISTOR CH 1 10W 8 2K R4508 ERJ6GEYG681 M RESISTOR CH 1 10W 680 R4509 ERJ6GEYG683 M RESISTOR CH 1 10W 68K R4510 ERJ6GEYG103 M RESISTOR CH 1 10W 10K R4511 ERJ6GEYG562 M RESISTOR CH 1 10W 5 6K R4512 ERJ6GEYG683 M RESISTOR CH 1 10W 68K R4513 ERJ6GEYG103 M RESISTOR CH 1 10W 10K R4514 ERJ6GEYG562 ...

Page 74: ...20 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 RESISTOR CH 1 10W 4 7K R6030 ERJ6GEYJ472V M RESISTOR CH 1 10W 4 7K R6031 ERJ6GEYG682 M RESISTOR CH 1 10W 6 8K R7301 ERJ6GEY0R00V...

Page 75: ...1 10W 22K R7534 ERJ6GEYG181 M RESISTOR CH 1 10W 180 R7535 ERJ6GEYG103 M RESISTOR CH 1 10W 10K R7536 ERJ6GEYG562 M RESISTOR CH 1 10W 5 6K R7537 ERJ6GEYF123 M RESISTOR CH 1 10W 12K R7538 ERJ6GEYF123 M RESISTOR CH 1 10W 12K R7539 ERJ6GEYF822 M RESISTOR CH 1 10W 8 2K R7601 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 R7604 ERJ6GEYJ101V M RESISTOR CH 1 10W 100 R7605 ERJ6GEYJ101V M RESISTOR CH 1 10W ...

Page 76: ...ER 2 MAVD VR0701 EVNCYAA03B14 V RESISTOR 10K VR7301 EVNCYAA03B14 V RESISTOR 10K 1 X0701 VLF1416 FILTER 1 J0B4045A0002 X0701 VLF1430 TRANSFORMER 2 J0B3955A0001 X0702 VLF1431 TRANSFORMER 2 J0B4055A0001 X0704 VLF1493 FILTER 1 X0704 VLF1497 TRANSFORMER 2 X3001 VSX0162 CRYSTAL OSCILLATOR X6001 VSX1022 CRYSTAL OSCILLATOR X6002 H0H200500011 CRYSTAL OSCILLATOR MAVD X7301 VSX1086 CRYSTAL OSCILLATOR 1 MAVD ...

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