Test Program Mode - Yamaha AV-S77 Service Manual

AV-S77
I TEST PROGRAM MODE
1. Procedure for starting Test Program
With the power plug disconnected from the outlet, reconnect it to the outlet while pressing the [VOLUME] key and the [DSP]
key simultaneously, and the Test Program will be activated.
When the Test Program is activated, "01 DEST-Ex" is displayed.
2. Procedure for selecting and executing Test Program
Using the [VOLUME +] (UP) key and the [Volume -] (DOWN) key, select the Test Program and then press the INPUT key
to execute it.
3. Procedure for canceling Test Program
There are two methods for cancellation.
a. Turn off the power by pressing the [POWER] key of the main unit or the remote controller.
b. Select the Test Program "01 DEST-Ex" and press the [INPUT] key for execution. (The normal mode will be restored.)
4. Details of the Test Program function
Display
01 DEST-B,G1
02 Fact.Test
03 FL+CLEAR
04 FL CHECK
1 st time
7
Function
Destination display/ test program end
Destination display
J:Ja ........................ J (Japanese)
B,G1 ........................ B, G models
Factory test mode
This test mode is used for factory inspection before shipping and is not usually
used.
If the test program has been executed, it is not possible to shift to another test
program.
In such case, cancel the test program.
FL display segments all light up / BACKUP RAM CLEAR
1 st time: FL display segments all light up and standby LED lights up.
time: RAM CLEAR is executed (RAM CLEAR OK on display)
2 nd
* State before shipped out of the factory preset.
FL display light-up check
1 st time: FL display segments all light up and standby LED lights up.
nd
2 time: Even number segments and digits light up.
rd
3 time: Odd number segments and digits light up.
2 nd time 3 rd time