Kenwood RD-VH7, Service Manual

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6
RD-VH7
CIRCUIT DESCRIPTION
NB 2
BASS BACK UP
TREBLE BACK UP
MD INPUT BACK UP
TAPE INPUT BACK UP
AUX INPUT BACK UP
MULTI WINDOW BACK UP
(2) TUNER
BAND BACK UP
Pch MEMORY BACK UP
LAST Pch BACK UP
LAST FREQ. BACK UP
AUTO/MONO BACK UP
AUTO PRESET (MEMORY) BACK UP
E ON THRUST RECEIVING MODE
BACK UP
RDS DISPLAY PS
(3) CLOCK, TIMER
CLOCK POWER FAILURE MODE
PROG. 1, 2
ON TIME BACK UP
OFF TIME BACK UP
PLAY MODE BACK UP
SOURCE BACK UP
Pch BACK UP
REC MODE BACK UP
O. T. T. BACK UP
TIMER OPERATION MODE BACK UP
SLEEP TIMER OFF
A. P. S. BACK UP
(4) CD
PLAY MODE TRACK
REPEAT OFF
RANDOM OFF
OPERATION MODE STOP
TIME DISPLAY SINGLE TIME
3. CONDITIONS ACCORDING TO THE
DESTINATION
( ) SIGNIFIES PIN NUMBER OF u-COM(X09, IC4)
4. LCD INDICATION
5. How to Set the Test Modes
5-1 AUX(MD/TAPE/AUX)
Setting: Insert the power cord to the wall outlet with
pressing the MODE key.
Cancel: Press any key of operation.
A part A of display shows destination(
✽
).
"standby" LED lights orange and green color alternately
in this test mode.
A part E of display shows as follows after selecting MD
mode.
5-1-1 Display Contrast Setting
Display contrast is available in LED and all segments of
display lighting
Contrast is set to initialization if cancel test mode.
5-1-2 Mute Setting
Muting function is available by pressing AUTO/MONO
key.
5-1-3 AUX IN Level Setting
Select the level of aux input from +3, 0, or -6 by pressing
the FB key.
Multi control knob is available for same setting after
mode key is pressed.
5-1-4 Noise Blanker Setting
Select the level of NB from NB1,NB2 or NB OFF by
pressing the SKIP DOWN key.
5-1-5 BASS/TREBLE setting
Select the level of tone from tone max, tone flat or tone
min by pressing the BAND key.
Display shows as follows.
Multi control knob is available for same setting after
mode key is pressed.
selector display E display A
MD MD##TEST
✽
-TYPE####
TAPE TAP#TEST
✽
-TYPE####
AUX AUX#TEST
✽
-TYPE####
#=space
key remarks
FF contrast min.
skip up initialization
play/pause contrast max.
display A display B
bass treble
value value
tone max. BASS/TER## #######MAX +8 +8
tone min. BASS/TER## #######MIN -8 -8
tone flat BASS/TER## ####CENTER 0 0
DESTI-
u-COM
DSW
RECEIVING
CHANNEL
NATION
DESTI-
NATION
2
(72PIN)
1
(71PIN)
0
(70PIN)
BAND
FREQUENCY RANGE SPACE
IF RF
J J 0 1 0 FM 76.0MHz~ 87.5MHz 100kHz -10.7MHz 25kHz
87.5MHz~108.0MHz 50kHz -10.7MHz 25kHz
AM 531kHz~1629kHz 9kHz +450kHz 9kHz
K,P K1 0 0 0 FM 87.5MHz~108.0MHz 100kHz +10.7MHz 25kHz
AM 530kHz~1700kHz 10kHz +450kHz 10kHz
M E1 0 0 1 FM 87.5MHz~108.0MHz 50kHz +10.7MHz 25kHz
AM 531kHz~1602kHz 9kHz +450kHz 9kHz
E,T E3 1 1 0 FM 87.5MHz~108.0MHz 50kHz +10.7MHz 25kHz
RDS AM 531kHz~1602kHz 9kHz +450kHz 9kHz
PARTS OFF LCD INDICATION
A PART
B PART
C PART
D PART
E PART
PROG 1 2
OTT APS
RADIO T
1p 99.10.30 3:08 PM y [ W 2
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