Kenwood KRC-509S, Service Manual

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KRC-509S/689
6
TEST MODE
1. How to enter the test mode
While holding the FM and Preset 6 keys, reset the unit.
2. How to exit from the test mode
While holding the Preset 6 key, reset the unit.
(Note) The test mode cannot be terminated by ACC OFF,
power OFF or momentary power down.
3. Initial status in the test mode
• Sources : ALL OFF
• Display : All segments are lit.
• Volume : -10 dB (displayed as "30")
• Loudness : OFF
• CRSC : OFF regardless of the presence of
switching function.
• SYSTEM Q : Flat
• LED : White for no scanning. (VLCD model)
4. Special display in Tuner mode
When any of the following messages is displayed in
Tuner mode, the F/E may be abnormal.
• "TNE2P NG"
: The EEPROM is set to the default
(unstable values) because the F/E
was shipped without passing through
the adjustment process, etc.
• "TNCON NG" : Communication with the F/E is not
possible.
5. Forced switching of K3I
Each press of the Preset 6 key in Tuner mode should
switch K3I from AUTO
î
Forced Wide
î
Forced Middle
î
Forced Narrow
î
AUTO.
The initial status is AUTO and the display shows these
modes as follows.
• AUTO
: FMA
• Forced Wide : FMW
• Forced Middle : FMM
• Forced Narrow : FMN
6. Test mode specifications of the CD receiver
• Forced ejection is inhibited in the reset start operation.
When the unit is reset while a CD is loaded in it, the CD
is not recognized by resetting.
• Each press of the Track Up key jumps to the following
track numbers:
No. 9
î
No. 15
î
No. 10
î
No. 11
î
No. 12
î
No. 13
î
No. 14
î
No. 9
(The cycle restarts from here.)
• Each press of the Track Down key jumps to the previ-
ous track number to the track being played.
7. Audio-related specifications
• A short press of the Q key initiates the audio adjustment
mode.
• Pressing the
î
key on the remote initiates the audio
adjustment mode.
• Continuous holding of a remote control key is inhibited.
• Bass, Middle and Treble are adjusted in 3 steps of
Min/Center/Max with the Track Up/Down keys.
• Balance is adjusted in 3 steps of Left Max/Center/Right
Max with the Track Up/Down keys.
• Fader is adjusted in 3 steps of Rear Max/Center/Front
Max with the Track Up/Down keys.
• HPF is adjusted in 2 steps of Through/220 Hz with the
Track Up/Down keys.
• LPF is adjusted in 2 steps of Through/120 Hz with the
Track Up/Down keys.
• Bass f, Bass Q, Bass EXT, Middle f, Middle Q and
Treble f are not dealt with by the audio adjustment.
8. Menu-related specifications
• A short press of the CLK key initiates the Menu mode.
• Pressing the DNPP/SBF key on the remote initiates the
Menu mode.
• Continuous holding of a remote control key is inhibited.
• Calendar adjustment, calendar display switching and
calendar memo are eliminated from the targets of con-
tinuous key holding. (FL model)
• In the color adjustment mode, pressing the Preset 1 key
sets Red, 2 sets Blue, 3 sets Green and 4 sets Green.
(VLCD model)
• Contrast is adjusted in 3 steps of 0/5/10 and the default
is 5. (VLCD/LCD model)
• Brightness is adjusted in 3 steps of 0/5/10 and the
default is 10. (Normal FL model)
9. Backup current measurement
When the unit is reset while ACC is OFF (i.e. by turning
Backup ON), the MUTE terminal goes OFF in 2 seconds
in place of 15 second. (The panel, CD mechanism and
TAPE mechanism are not activated at this time.)
10. Special display when the display is all on
Pressing the Preset keys while the power is ALL OFF dis-
plays the following information.
Version display (8 digits, Month/Day/Hour/Minute)
[PRESET 1] (Display) SYS xxxxxxxx System microcomputer
PAN xxxxxxxx Panel microcomputer
[PRESET 2]
Serial No. display (8 digits) (Note) CD/RK type eXcelon model
(Display)
S. No. xxxxxxxx
Short press : View power ON time.
(The All OFF period is not counted.)
[PRESET 3] Long press/hold : Clear power ON time.
(Display) PonTim xxxxx Max. 65535 (hours)
Short press : Display TAPE/CD/MD operation time.
[PRESET 4] Long press/hold : Clear TAPE/CD/MD operation time
(Display) CDTime xxxxx (CD/R)
TapTim xxxxx (C/R) Max. 65535 (hours)
Short press : Display TAPE/CD/MD ejection count.
[PRESET 5] Long press/hold : Clear TAPE/CD/MD ejection count.
(Display) EjeTim xxxxx Max. 65535 (times)
Short press : Display Panel open/close count.
[PRESET 6] Long press/hold : Clear Panel open/close count.
(Display) PnCnt xxxxx Max. 655350 (times)
TEST MODE
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