Onkyo HT-R430 - Operation Check-1: Speaker Protect-1 (DC Voltage Detection)

HT-R430
OPERATION CHECK-1
SPEAKER PROTECT-1 (DC VOLTAGE DETECTION)
1. Press and the hold down the CD button, then press the STANDBY/ON button when the unit is Power ON.
" Test - _ " is displays it only for 5 seconds.
2. Press the VIDEO 3 button, while the character of " Test - _ " is displayed.
Unit will be in the state of " Test-4-00 ".
3. Repeatedly press TONE
+ button until the character of " Test-4-21 " is displayed.
[Procedure]
<Note>
No load. No input.
Test - _
Test - 4-00
[When]
1. Exchange power transistors (Q6050 - Q6065).
2. Exchange amplifier PC board ass'y (NAAF-8523).
Test - 4-21
Checking the operation starts automatically as follows.
Test - 4-21
Test - 4-22
Test - 4-25
Test - 4-23
Test - 4-24
Protect OK
Protect OK
Protect
Protect OK
Protect OK
Protect OK
Test - 4-35
Clear
Turn off
Front L ch
Check
If all channel are OK, the character of " Test - 4 - 35 " is displayed.
4. Press the STANDBY/ON button.
Front R ch
Check
Center ch
Check
Surround L ch
Check
Surround R ch
Check
Blinks
Test - 4-26
Protect OK
Surround Back ch
Check
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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