13
ADJUSTMENT
RXD-951/A700/A900/V616/V818/V919
(d)
(a) Laser Power
Pickup
0.05~0.15 mW
Optical power meter
a
RF signal in test mode (PLAY).
a
Perform the tangential and focusing offset are focused
into one point on the display. The crossing points above
and below the center shall also be looked clearly.
No.
1
2
ITEM
LASER
POWER
FOCUS
ERROR
BALANCE
INPUT
SETTING
–
Test disc
Type 4
OUTPUT
SETTING
Connect an
oscilloscope as
follows.
CH1 : RF(CN7 pin1)
CH2 : FE(CN7 pin6)
Set the senor section
of the optical power
meter on the pickup
lens.
PLAYER
SETTING
Press the"PLAY"key
to check that the
display is "03".
Press the "PLAY"
key. Confirm that the
display is”05”
ALIGNMENT
POINT
FE
BALANCE
VR1
–
ALIGN FOR
On the power
from.0.05 to 0.15mw.
when the diffraction
grating is correctly
aligned with the RF
level of 0.8Vp-p or
more
Optimum eye pattern
FIG.
(a)
(d)
Note:
Type 4disc :SONY YEDS-18 Test Disc or equivalent. (KTD-02)
LPF : Around 47k
Ω
+ 390pF or so.
3. Adjustment of CD player
Step 1,2 are in TEST MODE
TEST MODE : While pressing the [PALY/PAUSE] key, plug the AC power cord into the AC outlet.
RF signal : AC coupled
4. Test mode of DECK section
(1) Setting
While pressing the PLAY 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
(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 automatically.
If the REC key is pushed during the 4-sec REC
operation, the system records further for 4-sec, then
returns to the starting position of the first 4-sec REC
operation and plays back.
(c) Mechanism SW detection
(d) Indication of A/B deck
SW
Display
B FWD REC Inhibit SW
CD Calendar (1)
B RVS REC Inhibit SW
CD Calendar (2)
A Pack SW
CD Calendar (3)
B Pack SW
CD Calendar (4)
A/B key
Display
A deck
ECHO
B deck
SLEEP
Item
Condition
Power
ON
Selector
TAPE
Main VOL.
-45dB(VOL45)
EX. bass
OFF
FL, LED, LCD
All the FLs are turned
on for 10 seconds
RXD-951
1P
98.12.14
16:18
y [ W 2
