TX-SR506
OPERATION CHECK-2
SPEAKER PROTECT-2
T e s t - _
T e s t - 4 - 0 0
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.
T e s t - 4 - 2 1
T e s t - 4 - 2 1
T e s t - 4 - 2 2
T e s t - 4 - 2 5
T e s t - 4 - 2 3
T e s t - 4 - 2 4
P r o t e c t O K
P r o t e c t O K
P r o t e c t
P r o t e c t O K
P r o t e c t O K
P r o t e c t O K
T e s t - 4 - 3 5
C l e a r
Turn off
Front L ch
Check
Front R ch
Check
Center ch
Check
Surround L ch
Check
Surround R ch
Check
Blinks
T e s t - 4 - 2 6
P r o t e c t O K
Surround Back L ch
Check
T e s t - 4 - 2 7
P r o t e c t O K
Surround Back R ch
Check
FL Display
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299