R.V.R. ELETTRONICA S.r.l. (BO)
Pag. 35
PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual
2)
Disconnect connector CN3 and CN4.
3)
Unscrew the screws fixing the Power Supply to the base of the unit.
4)
Take careful note of the position of each cable with reference to
its color.
5)
Disconnect the connector CN2, on the main card, the CN7 connector
and the faston connectors connecting the transformer to the bridge
rectifier.
6)
Remove the Power Supply with great care.
4.8 STEREO CODER REPLACEMENT
1)
Open the top and the bottom covers of the unit.
2)
Disconnect J!, J2, J3, J4 connectors.
3)
Unscrew the 4 bolts on the board.
4)
Unscrew the input level knob.
5)
Extract the board paying attention to disengage the switches and
the potentiometer from the main panel.
4.9 DOUBLER REPLACEMENT
1)
Open the top cover of the unit.
2)
Disconnect connectors CN1 and CN2.
3)
Desolder the wire connecting tha Main Card VCO to the Doubler.
4)
Unscrew the screws fixing the Doubler in place.
5)
Remove the Doubler.
4.10 1W R.F. POWER AMPLIFIER REPLACEMENT
1)
Open the top cover of the unit.
2)
Disconnect the CN1 connector of the R.F. Power Amplifier, disconnect
the connector CN2 of the Low Pass Filter amd the connector CN1 of
the CON-PA card.
3)
Unscrew the screw fixing the R.F. Power Amplifier to the base of
the unit.
Summary of Contents for PTRL-NV/2/S3
Page 141: ...PTRL NV 2 S3 PTRL NV 2 HP S3 PSSW PTNV 1 6 Appendice Tecnica Rev 0 1 15 05 02...
Page 148: ...PTRL NV 2 S3 PTRL NV 2 HP S3 2 10 CPU NV Technical Appendix Rev 0 1 12 09 02...
Page 151: ...PTRL NV 2 S3 PTRL NV 2 HP S3 CPU NV 5 10 Appendice Tecnica Rev 0 1 12 09 02...
Page 157: ...PTRL NV 2 S3 PTRL NV 2 HP S3 CSSDC30A003 1 6 Technical Appendix Rev 0 1 06 09 02...
