Sony HCD-FX100W Service Manual page 28

HCD-FX100W
Ver. 1.1
QQ
3 7 63 1515 0
Procedure:
1. Terminate the COMPONENT VIDEO OUT (Y) connector in
75 Ω.
2. Connect an oscilloscope across 75 Ω terminator.
3. Turn the power on.
4. Set the test disc (HLX-504) on the tray and press
to playback.
5. Confirm that oscilloscope waveform is clear and check
component output level is correct or not.
6. If it is not correct, adjust the RV502 to attain 1.0 Vp-p.
Adjustment Location:
– MIB01 Board (SIDE A) –
TE
L 13942296513
RV501
DVD SECTION
When the base unit is replaced, perform the adjustment and the
measurement as shown below in this order.
1) MIRROR TIME ADJUSTMENT (See page 24)
2) EXECUTING IOP MEASUREMENT (See page 26)
[TEST DISC LIST]
£Be sure to use the DVD disc that matches the signal standards of
your region.
• CD
YEDS-18 (Part No.: 3-702-101-01)
PATD-012 (Part No.: 4-225-203-01)
• DVD SL (Single Layer)
NTSC : HLX-503 (Part No.: J-6090-069-A)
HLX-504 (Part No.: J-6090-088-A)
PAL : HLX-506 (Part No.: J-6090-077-A)
• DVD DL (Dual Layer)
NTSC : HLX-501 (Part No.: J-6090-071-A)
HLX-505 (Part No.: J-6090-089-A)
PAL : HLX-507 (Part No.: J-6090-078-A)
www
[RF Level Check]
Connection:
.
DMB10 board
CN105 pin 6 (RFMON)
CN105 pin 3 (GND)
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button
H
1.0 Vp-p
RV502
x ao
y
oscilloscope
i
+
–
http://www.xiaoyu163.com
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Procedure:
1. Conect an oscilloscope to CN105 pin 6 (RFMON) and CN105
pin 3 (GND) on the DMB10 board.
2. Turn the power on.
3. Insert the CD test disc (refer to the TEST DISC LIST), and
press the H button to play the disc back.
4. Confirm that oscilloscope waveform is clear and check RF
signal level is correct or not.
Note: A clear RF signal waveform means that the shape "◊" can be
clearly distinguished at the center of the waveform.
5. Eject the CD disc, and insert the DVD SL test disk (refer to the
TEST DISC LIST), and press the H button to play the disc
back.
RF signal waveform
Checking Location: DMB10 board (Side A)
Q Q
3 6 7 1 3
IC102
IC101
CN106
CN105 pin 6 (RFMON)
u163
.
2 9 9 4 2 8
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
level: 0.57 ± 1.1 Vp-p (CD)
0.58 ± 1.23 Vp-p (DVD)
1 5 0 5 8 2 9 9 4
IC104
IC201
6 1
CN105
CN105 pin 3 (GND)
m
co
9 9
2 8 9 9