Why does it keep switching through all input modes?

Doro 6060

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  Doro 6060

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  Jan. 8, 2020 - Enter a Name for the contact, see Enter text. Delete with Clear. ... Doro 6060. Quick Start Guide ... for use with this particular model.

Doro 6060 User Guide - ManualMachine.com

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Could be bad ignition switch or some other type electrical problem . Knowing how this system works on your vehicle is the key . The ignition switch is a low voltage input to the BCM - body control module . Depending on key position the BCM knows what relays to energize and what messages to send over the GMLAN serial data net work , PCM - engine computer . Hooking up a factory or some other type professional scan tool to view ignition switch inputs to the BCM , an checking for BCM DTC'S - diagnostic trouble codes .

Circuit Description
Moving the ignition switch to the START position signals the body control module (BCM) through discrete inputs from the ignition transducer that engine crank has been requested. The BCM verifies that theft is not active and sends a serial data message to the engine control module (ECM)/powertrain control module (PCM) requesting engine start. The ECM/PCM receives a 12-volt signal from the park/neutral position (PNP) switch or clutch pedal start switch notifying that it is safe to start the engine. There is a splice on this circuit in the fuse block-underhood that supplies power for the starter relay coil. The starter relay coil control circuit is then grounded by the ECM/PCM closing the switch in the starter relay suppling 12 volts to the S-terminal of the starter. Ground is supplied through the engine block.


Plus you need to under stand what power modding is , because the BCM is the power mode master . This will sound funny to someone who does not know about automotive electronics .
Serial Data Gateway
The body control module (BCM) in this vehicle functions as a translator between the High and Low speed GMLAN busses. The 2 communication protocols use the BCM to translate communicated serial data messages between the control modules over the 2 serial data busses.
Power Mode Master
This vehicles body control module (BCM) functions as the power mode master (PMM). Refer to Power Mode Description and Operation for a complete description of power mode functions.

Power to many of this vehicle's circuits are controlled by the module that is designated the power mode master (PMM). This vehicle's PMM is the body control module (BCM). The PMM controls which power mode (Run, Accessory, Crank, Retained Accessory Power, or Off) is active.

On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle, the PMM is the body control module (BCM). The PMM receives 3 discrete ignition switch signals to differentiate which power mode will be sent over the Serial Data circuits. The 3-wire Ignition Switch table below illustrates the state of these inputs in correspondence to the ignition switch position:
Relay Controlled Power Mode
The body control module (BCM) uses the discrete ignition switch inputs Off/Run/Crank, Accessory, and ignition 1, to distinguish the correct power mode. The ignition 1 circuit is also routed to the Run/Crank relay for relay controlled power feeds during the appropriate power mode. The BCM, after determining the desired power mode, will activate the appropriate relays for that power mode.

A normal function of many modern "thinking" cars.
If you need it to remain unlocked you could leave a window open or leave a door on the first catch or leave the spare key in the ignition...

Ignition switch ? Key an lock cylinder or the electrical part ? The vehicle keeps running or you can't turn key to off ! Different thing's come into play depending on which is your problem ! If vehicle doesn't shut off (keeps running ) You need to know how it works !
An ignition switch isn't the same as back in the old days , it's a low voltage input to the BCM .
Serial Data Power Mode
On vehicles that have several control modules connected by serial data circuits, one module is the Power Mode Master, PMM. On this vehicle the PMM is the BCM. The PMM receives 3 discreet ignition switch signals to differentiate which power mode will be sent over the Class 2 Serial Data circuit.
To determine the correct power mode the PMM uses the following circuits:
?€¢
Ignition 0

?€¢
Ignition 1 voltage

?€¢
Ignition 3 voltage

An you need a professional scan tool to deal with these problems !
Serial Data Messages The modules that depend exclusively on serial data messages for power modes stay in the state dictated by the last valid PMM message until they can check for the engine run flag status on the serial data circuits. If the PMM fails, the modules monitor the serial data circuit for the engine run flag serial data. If the engine run flag serial data is True, indicating that the engine is running, the modules fail-safe to RUN. In this state the modules and their subsystems can support all operator requirements. If the engine run flag serial data is False, indicating that the engine is not running, the modules fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
Discrete Ignition Signals Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid PMM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, battery positive voltage, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.

The lock an car symbol is for the anti-theft system ! By not turning off, do you mean you can't turn the key to the off position or you can turn the key to off but the car won't shut off ?
It sounds like you have a Power Mode Mismatch
The ignition switch is an input to the BCM - body control module an if something happens to the system , the BCM will keep the vehicle in the last known mode Since the operation of the vehicle systems depends on the power mode, there is a fail-safe plan in place should the power mode master (PMM) fail to send a power mode message. The fail-safe plan covers those modules, using exclusively serial data control of power mode, as well as those modules with discrete ignition signal inputs.
You could have an ignition switch problem or something wrong with the BCM .
Discrete Ignition Signals Those modules that have discrete ignition signal inputs, also remain in the state dictated by the last valid PMM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, battery positive voltage, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open or 0 volts, the modules will fail-safe to OFF-AWAKE. In this state, the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
This is one you need to take to the dealer because they have a factory scan tool !

I had the same issue.the contacts on selector switch is dirty.All u need to get a good contact cleaner and spray the selector rod( remove knob first with preamp facing up), the liguid will find leak into selector and clean contacts.
after doing mine, the slector knob feels more solid when turned and does not change input anymore.
Junior

sadsoldinf33 -

You keep pressing the TV/VIDEO button to switch between input modes.

Here is your manual in PDF: http://www.tacp.toshiba.com/tacpassets-images/models/27a34/docs/27a34_om_e.pdf

(See page 24 of the manual).

Thanks,

videoman7

There are three modes (Auto, DTM, and PCM) on the input mode switch, on the main unit, selected by repeatedly pressing the input mode switch.

However, if you have already depressed the Analog button in, on the main unit you have predetermined the mode as analog.

On the remote, the INPUT MODE switch combines toggles for 5 choices, [Auto, PCM, DTS, Analog,
Ext. input]


My guess is that either the input mode switch on the main unit and/or the remote are toggled to analog.

Turn on the main and sub power switches.
Keep pressing the
* button until the message
“Please enter service password.” appears.
Input 9272 as the password and press the
[Start] key. (The password is fixed and cannot
be changed.)
[Mode Select Menu Screen]
Press the key of the mode to be selected on the
screen. To return to the Mode Change Menu
Screen, keep pressing the
* button until the
screen appears.
When the adjustment ends, press
[1. Normal Mode] key and the basic screen will appear