HCD-FX80
ELECTRICAL ADJSTMENT
DVD SECTIONChecking Location: DMB10 board (Side A)
When the base unit is replaced, perform the adjustment and the
measurement as shown below in this order.
1) MIRROR TIME ADJUSTMENT (See page 23)
2) EXECUTING IOP MEASUREMENT (See page 25)
[TEST DISC LIST]IC104
Be sure to use the DVD disc that matches the signal standards of
your region.IC102
Y CD
YEDS-18 (Part No.: 3-702-101-01)
PATD-012 (Part No.: 4-225-203-01)
Y DVD SL (Single Layer)IC101IC201
NTSC : HLX-503 (Part No.: J-6090-069-A)
61
HLX-504 (Part No.: J-6090-088-A)CN106CN105
PAL : HLX-506 (Part No.: J-6090-077-A)
Y DVD DL (Dual Layer)
NTSC : HLX-501 (Part No.: J-6090-071-A)CN105 pin 6 (RFMON)CN105 pin 3 (GND)
HLX-505 (Part No.: J-6090-089-A)
PAL : HLX-507 (Part No.: J-6090-078-A)
[RF Level Check]
Connection:
oscilloscope
DMB10 board
CN105 pin 6 (RFMON)+
CN105 pin 3 (GND)�
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 w aveform means thaE� t the shacan bepe O
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.
VOLT/DIV: 200 mVRF signal waveform
TIME/DIV: 500 ns
level: 0.57 ? 1.1 Vp-p (CD)
0.58 ? 1.23 Vp-p (DVD)
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ACEC
