Test Mode; Cancel Of The Test Mode; Contents Of The Test Mode; Cd Test Mode - Kenwood RXD-M55-H Service Manual

4. Test Mode

4-1 Setting method of the Test Mode
Test Mode
CD MODE
DECK MODE
✽
SUB CLOCK OSC
DIAGNOSIS
✽
The oscillation diagnosis (existence of oscillation and measurement of period) of a sub clock is performed before the test
mode is entered. If the diagnosis result is OK, the system enters the test mode.
If the diagnosis result is NG, the oscillation of the sub clock is diagnosed again. If the result is OK, the system enters the
test mode. If the diagnosis result is continuously NG 5 times, the system stops with "ERR1" and "ERR2" displayed.

4-2 Cancel of the test mode

• Initialized and cancel the test mode if pulling out the power cord.
• Cancel the test mode only if the power key is turned off.

4-3 Contents of the Test Mode

• The muting during mode selection is not controlled in the test mode.
• During the test mode, it can be operated in a special manner that is different from an ordinary operation by using the keys
on the main body, specifically as shown in the following tables.

4-4 CD Test Mode

Keys
CD-PLAY/PAUSE
(Cyclically changed the mode
05 and 03 by pressing the key.)
CD STOP
(Cyclically changed in the
stop mode only.)
SKIP UP
SKIP DOWN
SKIP UP
SKIP DOWN
4-5 Deck Test Mode
Keys Display
TAPE REC
SOUND Beat-C ON
✽
Mechanism half switches indication
The mechanism half switches status are indicated "blank" or "E" in the display.
8th Dot(Display)
Mechanism
Half Switch
ON
OFF
RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S
CIRCUIT DESCRIPTION
Keys Setting Method
CD PLAY key
TAPE PLAY Insert the AC cord to AC wall
MODE key outlet while holding down the
left key.
Display
✽ ✽ ✽ ✽
05 :
✽ ✽ ✽ ✽
( : )Time Display
✽ ✽ ✽ ✽
03 :
✽ ✽ ✽ ✽
( : )Time Display
00 : 00
07 FG/FE
08 FB/FO
09 TG/TE
10 TB/TO
Ex.01~02
Ex.02~01
Usual Indication
Usual Indication
• 4 Seconds Recording
If the REC/ARM key is pressed, the system record for 4 seconds.
Then, it rewinds to the REC starting position and plays back automatically.
TAPE If the REC/ARM key is pressed, during the 4 seconds REC operation, the
system records further for 4 seconds, then returns to the starting position
of the first 4 seconds REC operation and plays back.
Beat cancel will be on while pressing the sound key.
1st figure
FWD REC Inhibit RVS REC Inhibit
Detection SW Detection SW
Blank
E
• Tracking-servo on.
• Pickup moves inward.
• Tracking-servo off. (for checking TE)
• Pickup moves outward.
Stop the CD operation.
Adjustment value/mean value
FG value /FE value
FBAL value /FO value
TG value /TE value
TBAL value /TO value
• Track number up.
• Track number down.
• Play the first track number in the stop mode.
• Play the last track number in the stop mode.
Operation
2nd figure 3rd figure
Cassette Half
Detection SW
Blank Blank
E
Operation
4th figure
Tape Play
Detection SW
Blank
E E
7