TX-SR506
OPERATION CHECK-2
SPEAKER PROTECT-2
Test - _
Test - 4-00
DC Voltage detection check
[When]
1. Exchange power transistors (Q6050 - Q6056, Q6060 - Q6066).
2. Exchange amplifier PC board ass'y (NAAF-9419).
[Procedure]
Note : No load. No input.
1. Press and hold down CD button, then press ON/STANDBY button while the unit is powered on.
" Test - _ " is displayed only for 5 seconds.
2. Press AUX button while the characters of " Test - _ " are displayed.
The unit will be in the state of " Test-4-00 ".
3. Repeatedly press + (TONE) button until the characters of " Test-4-21 " are displayed.
Check whether the operation starts and continues automatically as follows.
If all channels are OK, the characters of " Test-4-35 " are displayed.
4. Press ON/STANDBY button.
Test - 4-21
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
Front R ch
Check
Center ch
Check
Surround L ch
Check
Surround R ch
Check
Blinks
Test - 4-26
Protect OK
Surround Back L ch
Check
Test - 4-27
Protect OK
Surround Back R ch
Check
FL Display
w
w
w
.
x
i
a
o
y
u
1
6
3
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c
o
m
Q
Q
3
7
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9
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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
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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