Thursday,14-May-2015

Punto mk2 188 ignition key switch ON/OFF radio

ENBG
How to make the ignition key to switch off the power to the radio Как Π΄Π° Π½Π°ΠΏΡ€Π°Π²ΠΈΠΌ контактния ΠΊΠ»ΡŽΡ‡ Π΄Π° гаси касСтофона[/b]

My friend`s punto got after market stereo but problem arise. Even switching off from the ignition key it was still with power on. I check some electrical diagrams and found that below: ΠŸΡ€ΠΈΡΡ‚Π΅Π» Ρ€Π΅ΡˆΠΈ Π΄Π° смСни касСтофона Π½Π° своСто ΠΏΡƒΠ½Ρ‚ΠΎ 2 Π½ΠΎ сС появи ΠΏΡ€ΠΎΠ±Π»Π΅ΠΌ - Π΄ΠΎΡ€ΠΈ ΠΏΡ€ΠΈ ΠΈΠ·Π²Π°Π΄Π΅Π½ ΠΊΠ»ΡŽΡ‡, касСтофона си остава Π²ΠΊΠ»ΡŽΡ‡Π΅Π½. ΠŸΠΎΡ€ΠΎΠ²ΠΈΡ… ΠΌΠ°Π»ΠΊΠΎ Π·Π° схСма ΠΈ Π½Π°ΠΌΠ΅Ρ€ΠΈΡ… Ρ‚Π°Π·ΠΈ посочСна ΠΏΠΎ-Π΄ΠΎΠ»Ρƒ:

fiatradio0.jpg
As you can see the power supply and memory support supply are connected on same red-white wire - pin 4. The original unit has on/off control via blue-yellow cable pin 3. I cut the power cable on pin 7 and use micro relay(found in ebay) as switch, controlled by the pin 3 wire. ΠšΠ°ΠΊΡ‚ΠΎ сС Π²ΠΈΠΆΠ΄Π° ΠΎΡ‚ схСмата, ΠΏΠ°ΠΌΠ΅Ρ‚Ρ‚Π° ΠΈ Π·Π°Ρ…Ρ€Π°Π½Π²Π°Π½Π΅Ρ‚ΠΎ Π²Π·ΠΈΠΌΠ°Ρ‚ 12 Π²ΠΎΠ»Ρ‚Π° ΠΎΡ‚ Π΅Π΄ΠΈΠ½ ΠΈ ΡΡŠΡ‰ Ρ‡Π΅Ρ€Π²Π΅Π½-бял ΠΊΠ°Π±Π΅Π» Π½Π° ΠΏΠΈΠ½ 4. ΠŸΡ€ΠΈ ΠΎΡ€ΠΈΠ³ΠΈΠ½Π°Π»Π½ΠΎΡ‚ΠΎ Ρ€Π°Π΄ΠΈΠΎ, ΠΈΠ·ΠΊΠ»ΡŽΡ‡Π²Π°Π½Π΅Ρ‚ΠΎ ΠΎΡ‚ контактния ΠΊΠ»ΡŽΡ‡ сС ΠΈΠ·Π²ΡŠΡ€ΡˆΠ²Π° Ρ‡Ρ€Π΅Π· син-ΠΆΡŠΠ»Ρ‚ ΠΊΠ°Π±Π΅Π» Π½Π° ΠΏΠΈΠ½ 3. ΠŸΡ€ΠΎΡΡ‚ΠΎ срязах ΠΊΠ°Π±Π΅Π»Π° към ΠΏΠΈΠ½ 7, ΠΈ ΠΏΠΎΠ»Π·Π²Π°ΠΌ ΠΌΠΈΠΊΡ€ΠΎ Ρ€Π΅Π»Π΅Π½Ρ†Π΅(ΠΎΡ‚ ΠΈΠ±Π΅ΠΉ) ΠΊΠ°Ρ‚ΠΎ ΠΊΠ»ΡŽΡ‡ управлявано ΠΎΡ‚ ΠΏΠΈΠ½ 3

fiatradio1.jpg fiatradio2.jpg

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