Kenwood DP-3010 Service Manual page 9

DP-3010 DP-3010
CIRCUIT DESCRIPTION CIRCUIT DESCRIPTION
(normal conditions) it is possible to set the IC so that it is in
Test Mode all the time. This is done by shorting the Test
Pin (this will only work when there is a Disc loaded).
Also, even if the Test Pin is shorted during POWER ON.
the microprocessor will be in Testing Mode as usual.
START REVOLVING
SPINDLE MOTOR
F/T LIGHT
MOVE FOCUS
LENSE OUT
110 mSEC)
POWER ON
ONLY DONE WHEN
MOVE FOCUS CLOSING TRAY
ate vTCHED FC
SWITCHED FROM TEST PIN IS
STOP TO PLAY) SHORTED
SET TRACKING
GAIN TEST MODE
MOVE PICK-UP TO
START UMIT
TRACKING SERVO
ON
DISPLAY T NO.
"om (USUALLY
STOPPED)
aisha
O_o]
A
edness FEED MOTOR ON <>
YES
vES
<<
iF TOC READ
OPEN/CLOSE KEY
TAKES MORE
READ TOC DATA
NO ~ 16 § ea AFTER OPENING
"OSC OUT"
NO
TRAY, SET PGM
NO <u n>
MODE
YES
TEST MODE
KEY START
PROCESSING PLAY KEY
OPEN/CLOSE KEY
YES
YES
START PLAYING
peu TRAY CLOSED
MT /NO
1°01" NORMALLY)
AUTOPROGRAM T
NO. 2, 6, 7,8, 10,
3,22
SET MODE
14
15