Aiwa CX-NHG2MD, Service Manual

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5) Press the DISPLAY once again.
Confirm that the values of “f**t##s ” are within the range shown below. (hexadecimal)
f “**” ..................... 1A to 40
t “##” .................... 0C to 30
s “
” ................ 0C to 30
6) After checking, press the STOP button to return the display to “ALL SVoFF”.
3-3. Adjusting the PIT Disk
1) Insert the TGYS-1.
2) Press the MODE button to display “SEL PIT”.
3) Press the MD function button to display “AUTO ADJ”. After adjustment, “DONE” is displayed. (If the adjustment failed,
“FAILED” appears.)
4) After adjustment, press the STOP button to return the display to “ALL SVoFF”.
3-4. IVR, EFB, Focus/Tracking/Sled Gain Check of PIT Disk
1) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button.
2) Press the PLAY button to display “FOCUS ON!”.
3) Press the ENTER button to display “ALL SV ON”.
4) Press the STOP button and press the DISPLAY button twice. Confirm that the values of “I$**: E$
” are within the
range shown below. (hexadecimal)
I$ “**” ................... 14 to 19
E$ “
” .............. 09 to 15
5) Press the DISPLAY button once again. Confirm that the values of “f**t##s ” are within the range shown below.
(hexadecimal)
f “**” ..................... 1A to 45
t “##” .................... 0C to 3F
s “
” ................ 0C to 3F
6) After checking, press the STOP button to return the display to “ALL SVoFF”.
4. Playback Error Rate Check (PIT DISC)
• Test point: Check the test point on the display.
• Test disk: TGYS-1 or equivalent
1)
Load the TGYS-1.
2) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button.
3) Press the MODE button to display “SEL PIT”.
4) Press the PLAY button to display “FOCUS ON!”.
5) Press the ENTER button to display “ALL SV ON”.
6) Press the DISPLAY button once to confirm that the address indication is stable.
7) Press the DISPLAY button once again to display the playback error rate.
Confirm that the numbers of “****:****” (underlined portion) is “0030” or lower.
8) After checking, press the STOP button to return the display to “ALL SVoFF”.
FOCUS GAIN TRACKING GAIN SLED GAIN
IVR EFB
FOCUS GAIN TRACKING GAIN SLED GAIN