Rf Antenna Connector/Antenna Switch; Languages - Sony CMD-Z5 Service Manual

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Ver 1.1 2001.04
The connector comprises the following pins:
Detection:
The detection of accessory is done by the charge pin and the detect pin.
Any accessory with an active charge will wake up the phone, indicating the battery icon but can not be operated.
The insertion and removal of the charger (Cigar Lighter Charger, Desktop-Charger, AC-Charger) is detected via polling. To reduce the
power consumption the polling can take up to 5 sec.
The insertion and removal of other accessory is detected via an Interrupt. This detection is only possible when the phone is powered up.
ID:
The ID pin indicates what kind of accessory is connected.
ACC Power:
ACC-power has different functionality with different accessories. ACC-power supplies power to the headset (min.2.7 V and min. 10 mA)
or will be used as a signaling pin for the Hands Free Kit.
In the car-kit environment the ext. Vbat indicates that a phone call is accepted/in progress. This information is used by the car-kit to power
up the audio section of the car-kit, mute the car stereo and keep the car-kit powered up even when the ignition is switched off.
Due to the fact that the ID of the accessory is detected first, the ACC power is not current limited (protected).
RX and TX:
This is the communication interface to the PCMCIA card "QN-2PCM" or the PC-link cable "QN-2EC".
Audio In and Audio Out
These pins build the audio interface to the Head-Set and the Hands Free Kit.
Audio IN:
To limit the noise which is coupled on the Mic-line, the Mic amplifier in the Hands Free Kit "QN-Z5HFK" and Head-set "QN-2HS" have
an output 220 mVrms into 40 kΩ.
Audio OUT:
The single ended output delivers 350 mV into a 10 kΩ load.
2-7
RF Antenna Connector / Antenna Switch
To connect an external antenna for accessory use, the CMD-Z5/Z18 contains a stable RF connector with an integrated mechanical switch.
This connector is placed on the I/O connector. The integrated mechanical switch switches between the helix antenna and the external RF
antenna connection. The switching criterium is mechanical pressure from the RF accessory connector.
2-8

Languages

The CMD-Z5 supports the following languages:
• Bulgarian
• Croatian
• Czech
• Danish
• Dutch
• English
• Finnish
The CMD-Z18 supports the following languages:
• English
• Chinese (Simplified)
• Chinese (Traditional)
6
• French
• German
• Greek
• Hungarian
• Italian
• Norwegian
• Polish
• Portuguese
• Rumanian
• Russian
• Slovakian
• Spanish
• Swedish
• Turkish

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