Read Sony DHC-FLX5D / DHC-FLX7D / HCD-FLX5D / HCD-FLX7D Service Manual online
8
HCD-FLX5D/FLX7D
Connection:
Procedure:
1.
1.
Connect an oscilloscope to test point 1 pin and 3 pin
of CN901 on the MB board.
of CN901 on the MB board.
2.
Turn the power on.
3.
Put the disc (LUV-P01) (Part No.:4-999-032-01) (CD)
in to playback.
in to playback.
4.
Conf
5.
Put the disc (TDV-520CSO) (Part No.:J-2501-236-A)
(DVD) in to playback.
(DVD) in to playback.
6.
Perform Comfirmation in the same manner as step 4.
irm 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.
RF signal waveform
+
–
–
oscilloscope
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
TIME/DIV: 500 ns
CD: 1.05
±
0.2 Vp-p
DVD: 1.09
±
0.2 Vp-p
DECISION TO PASS OR FAIL OF THE OPTICAL
PIC-UP BLOCK
PIC-UP BLOCK
CN901
1
pin
CN901
3
pin
MB board
IC501
chassis
power transformer
(T911)
(T911)
IC501 SERVICE POSITION
• When you check IC501, please move a power trans former (T911) from a chassis.
Checking Location:
– MB BOARD (Component Side) –
7
1
CN901
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