Test Mode - Kenwood KRC-665R Service Manual

KRC-665R/591/591V/591Y/591YV
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1. How to enter the test mode
• Reset the unit while holding preset 1 key and preset 3
key.
2. How to exit from the test mode
• RESET
• POWER OFF
• ACC OFF
• Bu OFF
• Panel detach
3. Initial status in test mode
• Sources
• Display
• Volume
• LOUD
• CRSC
• SYSTEM Q
• BEEP
• DEMO
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4. Special display during Tuner mode
If the following display appears during the TUNER mode,
the front end is defective.
• "TNE2P NG": EEPROM remains in the initial value (don't
care) because the product is shipped without passing the
F/E adjustment process.
• "TNCON NG": Communication with the F/E is not
possible.
5. Forced switching of K3I
Every pressing of the Preset 6 key during the TUNER mode,
changes the status from Forced middle → Forced narrow
→ AUTO → Forced wide → Forced middle.
When the product is set to the Forced middle: FMM in the
initial state, the following message appears.
• Forced middle
• Forced narrow
• AUTO
• Forced wide
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6. Test mode specifications of the CD receiver
• Forced eject operation is prohibited during the reset start
mode. CD cannot be recognized when the product is reset
with CD remains inserted.
6
: ALL OFF
: All segments are lit.
: -10 dB (displayed as 30)
: OFF
: OFF regardless of the presence of
switching function.
: Flat
: ON
: OFF
: FMM
: FMN
: FMA
: FMM
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TEST MODE

8
• Track jump takes place to the following track when the
Track up key is pressed.
No. 9 → No. 15 → No. 10 → No. 11 → No. 12 → No. 13
→ No. 14 → No. 9 (The cycle restarts from here.)
• When the Track down key is pressed, track returns back
by one track during playback.
7. Audio system
• The product enters the audio adjustment mode when the
Q key is pressed momentarily.
• Continuous advance operation from remote control is
prohibited.
• The Bass/Middle/Treble is adjusted to either one of the 3
steps of MIN/Center/MAX with Track up/down key.
• Balance is adjusted to either one of the 3 steps of Left
MAX/Center/Right MAX with Track up/down key.
• Fader is adjusted to either one of the 3 steps of Rear
MAX/Center/Front MAX with Track up/down key.
• HPF (high-pass filer) is adjusted to either Through or 220
Hz with Track up/down key.
• LPF (low-pass filer) is adjusted to either Through or 120
Q Q Hz with Track up/down key.
3 6 7
• Bass f/Bass Q/Bass EXT/Middle f/Middle Q/Trable f do
not appear on the audio adjustment.
8. MENU system
• The product enters the MENU mode when the CLK key
is pressed momentarily.
• The product enters the MENU mode when the DNPP/
SBF key of the remote control is pressed.
• Continuous advance operation from remote control is
prohibited.
• The calendar adjustment, calendar display switching and
calendar memo are deleted from the advance operation.
(FL model)
• Red is set by the preset 1, blue by 2, green by 3 and
white by 4 in the color adjustment mode. (VCLD model)
• Contrast can be adjusted in 3 steps of 0/5/10. Initial value
is 5. (VCLD/VCLD model)
• Brightness can be adjusted in 3 steps of 0/5/10. Initial
value is 10. (Normal FL model)
9. Backup current measurement
If RESET is activated in the ACC OFF state (when BACKUP
u163
button is turned ON), the MUTE terminal turns OFF in 2
seconds, not in 15 seconds. (At this time, the panel/CD/
TAPE mechanism does not operate.)
2 9 9 4
1 3 1 5 0 5 8 2 9
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2 8
9 9
9 4 2 8 9 9