Sanyo VHR-120 Series Скачать руководство пользователя страница 1 | Manualshive

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Содержание VHR-120 Series

Страница 1: ...OARD LOCATIONS 1 1 MAINBOARDS 1 1 2 LOCATION FOR TAPE PATH ADJUSTMENT 1 2 ELECTRICAL ADJUSTMENT 2 1 Preparation 2 2 2 SERVO CIRCUIT ADJUSTMENT 4 2 3 VIDEOCIRCUIT ADJUSTMENT 5 2 4 VIDEOTEN DECODER CIRCUIT ADJUSTMENT 7 2 5 AUDIOCIRCUIT ADJUSTMENT 8 2 6 TUNER lFCIRCUIT ADJUSTMENT 8 3 DISASSEMBLY PROCEDURES 3 1 REMOVAL OF REMOTE CONTROL UNITCASE 9 SP1 SP1 L SP2 SP2V series REFERENCE No WM 530837 ...

Страница 2: ...odels VD 1 MESECAM det board VHR 120G 120EX 120EE 130G 130EX 130EE and 134G TM 5 OSA on screen assist board VHR 130G 130EX 130EE 135E 130 15SP and 16SP TM 8 VPS board VHR 120G 130G and 134G TM 6 Video ten decoder board VHR 134G only Fig 1 1 1 2 LOCATION FOR TAPE PATH ADJUSTMENT L NOTE Test DointTP182 and TP183 for tape path adjustment is shown in figure below For adjustment refer to the separate v...

Страница 3: ...ard with CP 2 board connected in the slit of chassis as shown in Fig 2 1 3 right Connect CNO1 and CN02 of Relay jig VHJ 0084 into connectors of the PW 1 board and the Pre amp unit in the direction of arrow as shown in Fig 2 1 3 left Fix the relay jig with screw if necessary Connect 12 pin 8 pin and 4 pin connectors of the Relay jig to connectors CN541 CN101 and CN201 on the CP 1 board respectively...

Страница 4: ...t satisfies the items shown in Fig 2 1 5 Connect the oscilloscope to the VIDEO OUTPUT terminal of the video circuit and terminate with a 75Cl load and then check the video output signal The amplitude of the sync signal should be approxi mately 0 3 Vp p o The amplitude of the video signal should be approxi mately 0 7 Vp p While observing the oscilloscope or TV screen make fine tuning adjustments so...

Страница 5: ...o ________ I J 7 CN331 11 IC201 1 t II 1 IC301 I K J 1 II IJ It i II 1 J TM 8 VPS _ l l 4 1 0 VR351 SW PO Vidao signal 7654321 V sync 1 Press the tracking control buttons simultaneously to the center position on the display T 2 Adjust VR351 so that the phase of the leading edge of the vertical sync signal is delayed 6 5 0 5 H from the rise of the RF switching pulse waveform ch1541 CN101 1 VD 1 II ...

Страница 6: ...unit NOTE 1 Use the Relay jig mentiond in the 2 1 PREPARATION to provide easy adjustment of the Pre amp unit 2 When adjustment No 1 No 2 and No 5 below terminate VIDEO OUTPUTTP101 at 75 ohms 3 No signal REC mode is not to supply any signal to VIDEO INPUT terminal b L w 5 ...

Страница 7: ...channel selector buttons to AV 7 CURRENT No signal REC GND VR182 position and put the VCR in the no Video pre signal REC mode amp unit 2 AdjustVR182 so that the level model mark A is 130 5 mVp p and also that the level model mark B is 105 5 mVp p 3 Follows are the applicable models and their corresponding mark Compassion chati of Models and Marks Model Mark VHR 120 series VHR 130 series VHR 134 se...

Страница 8: ...76 Remark 1 Set the vartical scale VOLTAGE DIV of the oscilloscope to 10 mV DIV 2 Connect the frequency counter to Emitter of Q1 102 and ground through a pre amp of the above oscilloscope 3 Press the MENU button on the remote control unit 4 Adjust CT761 so that the frequency is 4433629 20 Hz FOSXO03 n 764 ti IC761 El E u IC769 TP761 TP762 GND Fig 2 4 1 TM 6 board Parts side view d 7 ...

Страница 9: ...so that the level is 23 mVrms 2 6 TUNER IF CIRCUIT ADJUSTMENT VIF unit NOTE There are two of the VIF unit s type and different with the model see Fig 2 6 1 Item Input Mode Point Location Remark RF AGC Tv broadcast 1 TurnVR611 in the direction which causes E E TV screen VR611 snow to appear then in the opposite direction until the snow just disappears CP 1 board I VR611 RF AGC H Ic 611 CP 1 board T...

Страница 10: ...shown in the cross section Fig 3 1 3 To make this procedure easier push the remote control unit end C against your body F07BO01 Edge ce B Bottom c Fig 3 1 1 F07BO03 GUITER PICK c Fig 3 1 4 3 4 5 6 Insert the GUITER PICK above mentioned into the space B as shown in Figs 3 1 3 3 1 4 and move the PICK in the arrow D and E direction then disconnect two hooks F of the top case Applying force to the spa...

Страница 11: ...Mar 9l 6100 HA Printed in Japan SANYO Electric Co Ltd Osaka Japan ...

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