Pioneer DEH-34XN Service-Handbuch - Seite 28

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1. Block Diagram and Schematic Diagram
2. Electrical Parts List
3. Adjustment
4. General Information
5. Connector Function Description
6. Display
7. Operations and Specifications
8. Specifications

7.3 OPERATIONAL FLOW CHART

Power ON

VDD=5V

Pin 68

bsens

Pin 63

BSENS=L

asens

Pin 64

ASENS=L

dsens

Pin 65

DSENS=L

ADPW H

Pin 66

CSENS

Pin 80

2V<CSENS<4V

swvdd L

Pin 41

Source keys

operative

Source ON

SYSPW H

Pin 42

Completes power-on operation.(After that, proceed to each source operation.)

- CSENS 2V, 3V CSENS

Source returns to the original one(before you open).

CD loading functions are available.

Keys except for EJECT key are not available.

Starts communication with Grille microcomputer.

300ms

In case of the above signal, the communication

with Grille microcomputer may fail.

If the time interval is not 300msec, the oscillator

may be defective.

DEH-340,3400,34