Test Mode - Kenwood KDC-M4524 Service Manual

KDC-M4524/G/Y/GY
QQ
3 7 63 1515 0
MICROCOMPUTER'S TERMINAL DESCRIPTION
Truth table 1
PS1-0 PS1-1
L L
H(L) L(H)
H H
H H
Truth table 2
PS2-0 PS2-1
L L
H (L) L (H)
H H
Truth table 3
MOSW LO/EJ
L H
H H
- L
Hi-Z H
Truth table 4 (destination setting)
TE
L 13942296513
model destination
KDC-MP222
KDC-MP4023
KDC-M4524/G/Y/GY
1. How to enter the test mode
While holding the Preset 1 and Preset 3 keys, reset the
unit.
2. How to exit from the test mode
Reset the unit, ACC OFF, power OFF and Panel detached.
(Note) The test mode cannot be terminated by momen-
tary power down.
www
3. Initial status in the test mode
• Sources
• Display
.
• Volume
• Loudness
6
PS1-2 AUDIO
L OFF
L ON
L ON
H ON
ILLUMI FM+B
OFF OFF
ON ON
ON OFF
CD mechanism operation
Load
Eject
Lo/Ej invalid truth
Brake
destination ports
TYPE2
K -
M (E) -
E/E2 -
x ao
: ALL OFF
y
: All segments are lit.
i
: -10 dB (displayed as "30")
: OFF
8
P-CON P-ANT
OFF OFF
OFF OFF
ON OFF
ON ON
AM+B
OFF
OFF
ON
Q Q
3 6 7
TYPE1 TYPE0
0 0
0 1
1 0

TEST MODE

• CRSC
• SYSTEM Q
• BEEP
• SYSTEM Q MENU : OFF
4. Special display in Tuner mode
When any of the following messages is displayed in Tuner
mode, the F/E may be abnormal.
u163
• "TNE2P NG" : The EEPROM is set to the default (un-
stable values) because the F/E was shipped without
passing through the adjustment process, etc.
• "TNCON NG" : Communication with the F/E is not pos-
sible.
2 9 9 4
1 3 1 5 0 5 8 2 9
: OFF regardless of the presence of
switching function.
: Flat
: When pressing any keys, the buzzer
generates a beep at any time.
m
co
.
2 8
9 9
9 4 2 8 9 9