Adjustment; Cd Section; Cassette Deck Section - Kenwood RXD-NV500 Service Manual

CD SECTION (use the LCD remocon.)
NO. ITEM
SETTINGS
(Caution) Connect and remove to the tester for the laser current check at POWER OFF condition.
TEST MODE : While pressing the PLAY/PAUSE key ,plug the power code into the AC power wall outlet.
Insert TEST DISC.
LASER CURRENT
[1]
CHECK
FOCUS ERROR
[2]
BIAS

CASSETTE DECK SECTION

NO. ITEM
SETTINGS
Unless otherwise specified, set the respective switches as follows:
TAPE: NORMAL DOLBY: OFF
I .Cassette mechanism (REC/PB head adjustment)
Demagnetization
[1]
and cleaning
REC/PB head
[2]
azimuth
10kHz,-10dB
I I. Capstan motor adjustment
Tape speed
[1]
(NORMAL)

ADJUSTMENT

INPUT OUTPUT
SETTINGS
(POWER OFF
CONDITION ) Set the
Test disc tester between
type 4 of CN305 on the
PCB(X29:B/3) of set
upper .
Connect an
oscilloscope and jitter
meter as follows.
Test disc
CH1:RF(CN301:1pin)
type 4
CH2:TE1(CN301:6pin)
GND:VC(CN301:4pin)
INPUT OUTPUT
SETTINGS
INPUT: REC IN
- -
TCC-153
Connect the VTVM
MTT-114
and oscilloscope to
REC OUT jack
TCC-110
Connect the VTVM
MTT-111
and oscilloscope to
REC OUT jack
3kHz
RXD-NV500/NV600
CD PLAYER
SETTINGS
Press the
and PLAY/PAUSE key to
check that the
display is 03 or05.
Press the
PLAY/PAUSE key .
Confirm that the
display is 05.
CASSETTE DECK
SETTINGS
OUTPUT: PLAY OUT
(POWER OFF)
demagnetization
(PLAY)
cleaning
PLAY
PLAY
ALIGNMENT ALIGN FOR
- 0.5 0.2
FE BIAS Optimum eye
VR301 pattern
ALIGNMENT ALIGN FOR
0dBm=0.775V
Demagnetize the
REC/PB head by
head eraser. Clean
REC/PB head
the REC/PB head
erase head
,eraser head,
capstan
capstan and pinch
pinch roller
roller with a cotton
swab immersed in
alcohol.
Adjust the output
to maximum and
adjust the azimuth
adjustment screw
for the Lissajous
waveform pattern
FWD RVS
of the oscilloscope
to become close to
a 45¡ straight line.
Adjust so that the
VR. frequency 3kHz at
inside motor the center of the
tape.
FIG.
11