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Tuner adjustment
I T E M
N o .
FM SECTION :
1
TUNING LEVEL
SYSTEM CONNECTIONS
TE
L 13942296513
CD player check
No.
ITEM
SETTING
For this adjustment, enter the test mode.
TEST MODE : While pressing the [CD PLAY/PAUSE] key, turn power on.
LASER
1
POWER
Test disc
LASER
2
Type 4
CURRENT
Note:
Type 4disc :SONY YEDS-18 Test Disc or equivalent. (KTD-02)
LPF : Around 47kΩ + 390pF or so.
(a) Laser Power
www
.
Pickup
ADJUSTMENT
I N P U T
S E T T I N G S
SELECTOR : FM
(A)
98.0MHz MONO
1kHz, ±75kHz dev.
35.2dBf (ANT. input)
X09(C/6, CN34)
FM-MPX-SG
FM-MPX-SG
Dummy antenna
(A)
INPUT
OUTPUT
SETTING
Set the sensor sec-
tion of the optical
–
power meter on the
pickup lens.
Connect the DC
voltmeter to
CN25(#1 and #2) in
X09(B/6)
0.05~0.15 mW
x
ao
y
i
Optical power meter
8
OUTPUT
RECEIVER
S E T T I N G S
S E T T I N G S
MONO
–
98.0MHz
POLAR SG
Q Q
3
6 7
1 3
PLAYER
ALIGNMENT
SETTING
POINT
Short circuit
*OPEN/CLOSE SW.
Press the "PLAY" key
to check that the dis-
play is "03".
*CN26(1,2), X09
Press the "PLAY" key
to check that the dis-
play is "03" or "05"
u163
.
MDX-G1
2 9
9 4
2 8
ALIGNMENT
ALIGN FOR F I G .
P O I N T S
Adjust VR1
and stop at the
X09 C/6
point where
VR31
ED1(TUNED)
goes on.
1 5
0 5
8
2 9
9 4
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
–
220mV to 550mV
m
co
9 9
2 8
9 9
FIG.
(a)
11
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