Sanyo VHR-350 Service Manual Download | Manualshive

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Summary of Contents for VHR-350

Page 1: ...ed by a symbol A in this schematicdiagramdesignates com ponentswhose value are of special significanceto productsafety Shouldany component designatedby a symbolneed to be replaced use only the part designatedin the Parts List Do not deviate from the resistance wattage and voltage ratings shown NOTE l Patiaorder mustcontain Model Number Pati Number and Description 2 Substitute parts may be supplied...

Page 2: ...of the chassis while performed with only the cabinet removed pressing the clamp in the direction of the arrow 3 Remove the two red screws J Next remove the CP I REMOVING THE MECHANISM MAIN UNIT Fig 1 1 2 PWB Ass y by lifting it straight up while pressing and After removing the cabinet pa spreading out the two clamps K as shown by the 1 Remove the two screws D and then remove the bracket arrows 2 R...

Page 3: ...MII 207 1 2Y3 m M TP4 l R 2 i J Tray LookLever able Ca Fig 1 1 2 M TP44R 3 M Ie r lamps T Fig 1 1 3 3 ...

Page 4: ... flat cable to the MC 2 PWB and the 1l wire flat cable to the VP 1 PWB Ass y respectively Connect the TM 1 PWB Ass y to operate VCR by using the remote control 3 Place the CP 1 PWB Ass yabovethe mechanism main unit along the cassette holder Insert the tip L of the terminal board into the opening M at the side of the chassis as shown in the enlarge view M TP411 R 4 11 wireFlat Cable TerminalBoard 0...

Page 5: ...L1 14271 N 1 1 1 2 MAIN CIRCUIT BOARD LOCATIONS Ji r Vp 1 PWB Fk3s y Shield Case Power supply part On the Mechanism l Unit CP I PWB Fig 1 2 1 5 ...

Page 6: ...T These adjustments should be carried out upon completion of the tape transport adjustments if the tape transport adjustments except the tilt adjustment are carried out after these adjustments follow the procedures again in Section 2 1 3 SWITCHING POSITION ADJ When a cassette tape is loaded auto tracking will be set immediately after starting the first playback As this will deviate the tracking ce...

Page 7: ... and simultaneously Tracking center position display in the indicator panel T 2 Adjust VR351 SW P so that the width becomes 6 5 H 0 5 H as shown in Fig 2 1 3 WFS101 T 6 5 H i 0 5 H I lH 0 5 H I Front edge of vertical sync signal t t Rise RF SW PULSE Fig 2 1 3 7 2 1 4 STILL V LOCK ADJ _tEEF Pleasuring Point Measuring Equipment Monitor ADJ Condition Self recording SP mode STILL mode Blank tape Self ...

Page 8: ...ter DC range Test Tape VHJ 0008 or VHJ 0023 SP mode color bar lkHz Color bar signal waveform is described below Refer to Fig 2 2 3 Blank Tape VHS type cassette tape 1 Oscilloscope Probe Input capacity less than 25 pF 10 1 less than 40 pF 1 1 Covering frequency DC 40 MHz 10 1 L DC 30 MHZ I I Frequency Counter 8 significant digits Adjustment Relay Jig VHJ 0066 7 wire flat cable for VP 1 PWB Ass y PA...

Page 9: ... REC Y TP183 SW P VR181 REC C TP182 ENV VP 1 PWB ASS Y Fig 2 2 5 P1BOB300F VV2 o u o 0 o IC602 IF Unit IC301 o Q BIAS Iclol Q 7 Icl11 u IC201 o VR 104 IC302 J o f vof c l l o Tuner Unit TP321 TPI02 g j0TP103 TPIO1 4X i RF Conv VIDEO CT321 OUT VR103 VRIO1 Vco CAR PB Y CP 1 PWB FOIL SIDE Fig 2 2 6 0 IC351 9 ...

Page 10: ...mode I Oscilloscope I I 10 1 probe ADJ Location ADJ Value VRI02 AGC 0 5 VP P 0 025 VP P I 1 Connect the color bar generator to the VIDEO INPUT terminal EURO AV pin20 2 Adjust VRI02 AGC for O 5Vp p 0 025Vpp as shown in Fig 2 2 8 1 WPV AGC 1009 white Fig 2 2 8 1 3 ADJ Condition PIAY SP mode Test tape VHJ 0008 or VHJ 0023 ADJ Location ADJ Value VRIOI PB Y 1 Vp p f 0 05 Vp p 1 Play back a test tape in...

Page 11: ...Condition REC SP mode Blank tape ADJ Location ADJ Value VR181 REC C 150 mVp p 5 mVp p 1 Connect the ground of the oscilloscope to the shield case of the VP 1 PWB Ass y 2 Adjust VR182 REC Y for the minimum video luminance signal level 3 Adjust VR181 REC C so that the video chrominance signal level is 150 mVpp 5 mVpp Refer to Fig 2 2 11 WWCREC 150mVp Fig 2 2 11 2 2 10 Y REC CURRENT ADJ Measuring Poi...

Page 12: ... Tape Output frequency Output level Output impedance Distotiion ratio Output in use SG 10 Hz 20 kHz more than 1 Vrms 600 Q less than 0 1 Frequency 1 kHz 10 kHz switchable Output level 33 8 dBs 0 5 dB Color bar signel with 1007 white level Signal waveform is described before Refer to Fig 2 2 1 Vertical sensitivity 10 mV DIV Band width more than 30 MHz Effective value indication Input frequency 10 H...

Page 13: ...rminal AC voltmeter EURO AV pin 3 Standard audio signal Lch generator SG signal 33 8 dBs 1 kHz 33 8 dBs 10 kHz UN Condition Self recording SP mode Blank tape ADJ Location I ADJ Value VR201 BIAS 4dB 4dB between 400 kHz and 10 kHz Connectthestandard audiosignal generatortotheAUDIO INPUT terminal EURO AV pin6 Lch Set the standard audio signal generator s output level to 33 8 dBs Set the standard audi...

Page 14: ...ion ADJ Value vR611 RF AGC S N is best point on the IF circuit 1 2 3 4 e Connect the monitor TVto VHFIUHF ANTENNA OUTPUT terminal Connect the VHF antenna to VHFIUHF ANTENNA INPUT terminal Receive the middle electrical field 70 dBv 90dBK of the VHF high channel and slowly turn VR611 RF AGC from the point where snow noise is present to the point where it just disappears from the monitor TV Confirm b...

Page 15: ...H 2 CH 3 CH 4 CH 5 CH 6 CH 7 OR OR OR CH 8 OR CH 9 CH 11 OR CH 12 OR CH 13 OR CH 14 CH 16 CH 17 CH 19 CH 20 CH 21 CH 22 CH 23 OR CH 24 411 1370007 411 021 7907 411 027 1701 613 144 1798 4120289406 613 1407015 613 1438644 613 1438651 613 1354739 613 1354753 613 144 1453 613 147 9906 411 021 3800 613 151 6427 613 1484528 613 107 9410 613094 4429 613 1357891 6130944436 411 137 0007 613 1450707 613 13...

Page 16: ...AOING MOTOR DAMPER MOTOR COMPL PCBrMC 3 COMPL PWB MC 2 ROTARY SWITCH SCR PAN 2 6X13 2SSY SLIOE FRONT SPRING LEVER LOAO SPRING LEUER ACT HOLOER WORM HOLOER WORM WASHER 2 lX6X0 5 ASSY WORM LOAO BELT LOAOING WASHER SLIT 2 6X5X0 50 GEAR HELICAL ASSY LEVER REU GUIOE SPRING REVIEW LEVER COMPL PINCH ROLLER SPRING PINCH ROLLER LOCATION MB 54 MB 55 MB 57 MB 58 MB 59 MB 60 MB 61 MB 63 MB 66 MB 67 MB 80 MB 8...

Page 17: ...MECHANISM PARTS 1 6 5 MECHANISM PARTS 2 Undesignated numeral shows Location No MC 12 NSP 16 J 24 Qiiih 1 23 _ l 5J 27 2 28 41 29 W e24 Me l I N S P Not available as service parts 17 ...

Page 18: ... REEL TAKE UP MO 9 OR MA 10 OR MA 11 MA 12 OR MO 15 MA 16 MA 17 MR 18 MO 19 MA 20 MA 21 MA 22 MA 23 MA 24 MA 25 MA 26 MA 27 MA 28 MA 29 MA 30 MA 31 MA 32 MA 33 MA 34 M 35 Mfl 36 MA 37 MA 38 MA 39 PARTS NO 412 021 5306 4120158900 412 015 8504 411 109 1506 411 109 1407 613 1357150 613 1429116 4120267305 613 1357167 613 1429109 4120424302 613 1357099 411 120 1301 613 135 7082 411 021 3107 613 120 905...

Page 19: ...91A R TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2SD1991A Q TA TR 2SD1991A R TA TR 0TC144EL TL2 TR UN6213 TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2SD1991A Q TA TR 2S01991A R TA TR DTC144EL TL2 TR UN6213 TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2SO1991A Q Tr4 TR 2S01991A R TA TR 2SA1561 TL2 Q TR 2S01561 TL2 R TR 2SB1320A Q TA TR 2SB1320A R TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2S01991A Q TA TR 2S0199...

Page 20: ...3S T93 R TR KSA1175 Y TR 2SC536 E SPA AC TR 2SC536 F SPA AC TR KSC2785 Y TR 2SC1740S DCTP Q TR 2SC1740S OCTP R TR 2SC536 E SPA AC TR 2SC536 F SPA AC TR KSC2785 Y TR 2SC1740S OCTP Q TR 2SC1740S OCTP R TR 2SA608 E SPA AC TR 2SA608 F SPA AC LOCATION PARTS NO Q6902 405006 1707 OR 405006 1806 OR 4050930508 Q6903 4050192005 OR 4050192807 OR 4050930607 OR 405011 8401 OR 405011 8500 Q6904 4050639708 OR 40...

Page 21: ...T ZENER OIOOE MTZ5 6B T 77 DIOOE ISS133 T 77 OIOOE GM IO1 BT OIODE 1SS133 T 77 OIOOE GMOO1 BT DIOOE 1SS133 T 77 OIOOE GMAO1 BT OSC CRYSTAL 4 433619MHZ OSC CRYSTAL 4 433619MHZ OSC CRYSTAL 4 433619MHZ RESONATOR CERAMIC13 92MHZ OSC CRYSTAL 32KHZ OSC CRYSTAL 32 768KHZ CRYSTAL 17 734475MHZ OSCrCRYSTAL 17 734475MHZ VR SEMI 22KB VR SEMI 22KB L1OO1 OR L1OO2 OR L1OO4 OR L1OO5 OR L1OO7 OR L1OO8 OR L1OO9 OR ...

Page 22: ...091 C1092 Cllol C1102 C1105 C1106 C1107 C1109 Clllo C1311 C1601 C1602 C1611 C1613 C1614 C2002 C2004 C2005 C2009 C201O C2013 C2016 C2017 C2019 C2020 C2021 C2022 C2024 C2071 C2072 C2073 C2091 C2092 C2101 C2102 C2152 C2153 C3001 C3002 C3003 C3004 C3005 C3008 C3009 C301O C3011 C3012 C3013 C3015 C3016 C3017 C3019 C3020 C3021 C3022 C3023 C3201 C3202 C3203 C3204 C3205 C3206 C3207 C3208 C3211 PARTS NO 403...

Page 23: ...ELECT 47U M 16V CERAMIC 0 047U Z 16V VHR 350 ONLY LOCATION C6009 C601O C6017 C6601 C6602 C6611 C6621 C6622 C6901 C6902 C6903 C6904 C6921 C6924 C6925 C6926 C6 27 PARTS NO nFs RTPTTflN 403 193 8905 403 121 9509 403073 7004 403 189 2405 403 1892405 403 1506500 4030227703 403024 1501 403 121 9509 403 189 2405 403 003 3700 403258 3807 403 121 9509 403 1686202 403 184 9805 4032330302 403 071 2001 R1OO1 ...

Page 24: ...6 R3032 R3034 R3035 R3036 R3045 R3061 R3062 R3101 R3102 R3103 R3104 R3201 R3202 R3203 R3204 R3205 R3206 R3207 R3208 R3209 R321O R3211 R3212 R3213 R3501 R3502 R3503 R3504 R3505 R3506 R3507 R3508 R3516 R3517 R3518 R3520 R3521 R3525 R3526 R3527 R3528 R3529 R3533 R3537 R3546 R3547 R3549 R3550 R3551 R3552 PARTS NO 401 022 7105 401 0144006 401 020 1907 401 020 1907 401 020 1907 401 0202805 401 020 1907 ...

Page 25: ... 4w l 4w l 4w l 4w l 4w l 4w l 2w 2W l 2w l 2w l 4w lW l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w 1 4w l 4w l 4w 1 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w 1 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w LOCATION R6624 R6901 R6902 R6903 R6904 R6905 R6906 R6907 R6908 R6909 R691O R6911 R6912 R6921 R6923 R6924 R6925 R6926 R6927 R6928 R6929 SHITCHES S3101 OR S3...

Page 26: ...C1823 C1824 C1851 C1852 C1853 C1854 C1855 C1865 C1866 403020 0508 4030284201 4030695601 4030695601 403069 5601 4030695601 4030695601 4030695601 403074 3104 403074 3104 403074 3104 403074 3104 403 069 5601 403 069 5601 403 022 8304 4030228304 4030262902 4030284201 4030695601 403 163 7907 RESISTdRS R1801 401 037 6803 R1802 401 038 7700 R1803 401 038 0800 R1805 401 038 0701 R1806 401 0386307 R1807 40...

Page 27: ...315 04 C OR 4070430101 PHOTO OIOOE 0N2170 R RESISTORS R8001 401 0260607 CARBON 270 JA l 6W OR 401 0170708 CARBON 270 JA l 4W R8002 401 0246700 CARBON 100 JA l 6W OR 401 0124404 CARBON 100 JA l 4W sHITCH S8001 6130224545 SPECIAL SWITCH FLEXIBLE FLATCABLE 613 1444577 FLEXIBLE FLAT CABLES CN303 CN811 613 1458482 FLEXIBLE FLAT CABLES CNI01 CN181 27 ...

Page 28: ...July 93 l 300 NS Printed in Japan s o SANYO Electric Co Ltd Osaka Japan ...

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