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Kenwood HM-531MD Service Manual page 8

Kenwood micro hi-fi component system service manual

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(4) Basic operation in test mode.
The muting during mode selection is not controlled in the test mode.
The test mode is cancelled when the AC power is turned OFF.
(5) The operation of the keys in the test mode.
SERECTOR
TUNER
OPERATION KEY
NORMAL ACTIVITY
MENU
4
P.CALL : DOWN
P.CALL : 10 STEP CHANGEOVER
7
10
20
30
40
¢
P.CALL : UP
EQU.MAX
REPEAT
S-LEVEL DISPLAY
ATT OFF
SOUND
ATT ON
(E.T only)
TUNER CATT OFF
: S-LEVEL A/D VALUE(HEX)
6-2 Test mode of DECK section
(1) Setting
While pressing the TAPE key(DECK), plug the AC power cord into an AC power outlet.
(2) Resetting
Disconnect the AC power cord from an AC power outlet or press the [ON/STANDBY] key.
(3) Operation in TEST mode
(a) Initial condition
Item
Condition
Power
ON
Selector
TAPE
Main VOL.
0dB (VOL. 80)
Input level(AUX)
-6dB(INPUT 0)
EX. bass
OFF
FL, LED, LCD
All the FLs, LEDs, and LCDs are turned on
(b) 4-sec REC
• If the REC key is pushed, the system record for 4sec. Then, it rewinds to the REC starting position and plays back auto-
matically.
• If the REC key is pushed during the 4-sec REC operation, the system records further for 4-sec, then returns to the start-
ing position of the first 4-sec REC operation and plays back.
(c) Mechanism half switches indication
The mechanism half switches status are indicated "/ " or "TAPE" on the display as shown below.
DOT (DISPLAY)
1st figure
2nd figure
MECHA. HALF
FWD REC INHIBIT
RVS REC INHIBIT
SWITCH
DETECTION SW
DETECTION SW
NG
/
/
OK
T
A
AUX
DISPLAY
DISPLAY
DISPLAY
VOLUME
INPUT
BALANCE
(VOLUME15)
(INPUT 0 )
(CENTER)
VOLUME 1
INPUT-6(dB)
L ch MAX
CENTER
VOLUME 40
INPUT 0 (dB)
01
VOLUME 80
INPUT+3(dB)
Rd MAX
EQU.MINI
EQU.FLAT
NORMAL ACTIVITY
3rd figure
4th figure
CRO2(TYPE¿)
CASSETTE HALF
DETECTION SW
DETECTION SW
/
/
P
E
6-3 Test mode of MD player
6-3-1 Inspection mode
Setting : While pressing the [MD REC] Key, plug the AC power cord into an AC power outlet.
The "INSPECTION" shows on the display.
Cancellation : Unplug the AC power cord from an AC power outlet.
Contents of
No.
Keys
TEST mode
• The "ANALOG" is indicated on the display for a
1
Analog through
SOUND
second.
• AUX input level MID
test mode
• Source indicator (MD) is turned ON .
• The "DIGITAL1" is indicated on the display for a
2
Digital through
SOUND
second. "DIGITAL1" CD input
test mode
• Source indicator (MD) is blinked.
6-3-2 MD TEST mode for adjustment
1. Preparation for adjustment
Test disc
Type
Test disc
1
High reflection disc TGYS1 (SONY)
2
Low reflection disc Recording minidisc
3
Head Adjusting transparent
2. Test mode
Test mode setting method
1. While pressing the [MD PLAY] key, plug the AC power cord into the AC power outlet.
(Start from A if no disc load, C if disc load.)
STEP Display
A MD
B EJECT
C AUT YOBI
Change to step D if press <MD STOP> key. Return to C if press <MD REC>key.
D tsm
e
: Test mode STOP state
: MD microprocessor version.
* Repair service is available for AUTO pre-adjustment and AUTO adjustment only.
Press MD STOP key to cancel the test mode if in needless test modes.
Entering the specific mode
Whenever the [MD REC] button is pressed, the mode is changed.
AUTO pre-adjustment
AUTO adjustment
(AUT YOBI)
(AUTO AJST)
EEPROM setting
MANUAL adjustment
(EEPROM SET)
(MNU AJST)
• Canceling the test mode
When the POWER button is pressed, the test mode is canceled, and the POWER OFF state is set.
Operation & Indication
RemarKs
AUX IN
(ANALOG)
SP
SEL.
MD
(PAUSE)
SP
SEL.
MD
(PAUSE)
RESULT SUB
RESULT
(RST YOBI)
(RESULT)
( ): Display
MANUAL pre-adjustment
(MNU YOBI)
REC IN
CD
DIGITAL

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