Samsung MAX-DA67 Spezifikationen PDF herunterladen (Seite 40)

Circuit Descriptions

-6) Key Scan and Display Circuit

Power Freeze

Freezer Temp.

Ice Type

Power Cool

Fridge Temp.

Child Lock

Note)

1) F-DEF-sensor and Bimetal work in parallel.

2) At the first power on, an open error (5V input to

MICOM) can be detected by self-diagnostics. A

short error will be ignored.

3) In self-diagnostics during a normal operation, only

an open error can be detected.

4) The F-DEF heater will be off at the set temperature

after the bimetal is off.

1) Key Scan and display operation.

The model uses a decorder IC which 4 inputs and 9 outputs.

If the IC 9 decorder (TC4028BP) receivesd signals from

MICOM pins (3∼6), an output signal per 2 miliseconds

comes out from Q3, Q41, Q8, Q6, Q9, Q7, Q0, Q2, and Q4

pin in sequence. This signal enters to a driver IC input

terminal of the CoolSelect Zone

PCB and IC5 (TD

62783AP), then approximate 11V peaks will generate from an

output terminal as shown on the next page.

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Samsung MAX-DA67 Spezifikationen Seite 40