Onkyo TX-SR602 Service Manual page 76

4. Operation check of voltage sensor and thermal protector
1. Enter Test-4 mode.
2. Press and release the right arrow key repeatedly until "TEST-4-36" is shown on the front display.
3. Confirm that the FM STEREO indicator lights on and the relays of RL6901 and RL6902 turn OFF.
4. Press the right arrow key to set "TEST-4-37".
5. Confirm that the FM STEREO indicator lights on and the relays of RL6901 and RL6902 turn OFF.
6. Exit from the test mode.
7. Connect a metal oxide resistor 1.8 kohm/1W between "COM" and "TH2" terminals of P6302 with no input signal.
8. Set the unit to the test mode "TEST-1-00".
9. Confirm that "Thermal Protect" is displayed on the front display.
Test Mode of FL tube
To enter a test mode (Test 1 to 4), when the unit is turned on,
hold down "CD" + "DISPLAY" buttons and then press "STANDBY/ON" button.
After "TEST " on the FL tube is displayed, press CD button to set the unit to the test mode of FL tube.
Test mode of FL tube
Right arrow key
Left arrow key
UP
direction
All segments
light on.
"FEDCBA98765
43210"
light on.
The segments of even
number light on .
The segments of odd
number light on .
"abcdefghijklmno"
light on.
UDD N4U N3CA L
UPA N4E P
....UP
......DOWN
DOWN
direction
a:Tuner "U":USA and Canad "E":Europe "W":Worldiwde "J":Japan
" ":avaiable b:Amplifier ch, "5":5 ch "7":7 ch
c:4 ohm correspondence "4":Yes "6":No
d:Input numbers e:Front video: "F":Yes "N":No
f:Phono: "P":avaiable
g:Video converer function: "C":avaiable
h:TV format function :"N":NTSC "P":PAL/NTSC
i:Setup mic. function :"Y":avaiable
j:Pure audio function : "P":avaiable
A L
k:Multi-ch. function "M":avaiable
l: Zone 2 output function "L":LINE "P": LINE/Preout
m12V trigger function:"Z":ZONE2 "A":A/B/C
n:IR input function:"i":Yes o:RS232C function:"R":Yes
Note: All functions " ": No avaiable
TX-SR602/E