Sony CDP-C75ES - Page 9

CDP- C75ES/C85ES/C705
Procedure : high tracking gain
4 high fandamential wave
1. Keep the set horizontal. Gea i ow Gu )
If the set is not horizontal, this adjustment cannot be
performed due to the gravity against the 2-axis device.
2. Insert disc (YEDS-18) and press > PLAY button.
3. Connect oscilloscope to TP (FEO) and TP (VC) on BD
board.
4, Adjustment RV102 on digital board so that the waveform
is as shown in the figure below. (focus gain adjustment)
VOLT/DIV: 1V
E TIME /DIV: 2mS
VOLT/DIV: 100mV
TIME/DIV : 2mS
Adjustment Locations:
(BD board}
* Incorrent Examples (DC level changes more than on adjust-
ed waveform)
. VOLT/DIV: 100mV
low focus gain TIME /DIV : 2mS
VOLT/DIV: 100mV
high focus gain TIME /DIV : 2mS
5. Connect oscilloscope to TP (TEO) and TP (VC) on BD
board.
6. Adjusted RV101 on digital board so that the waveform is
as shown the figure below. (tracking gain adjustment)
* Incorrect Examples (fundamentia wave appears)
low tracking gain
VOLT/DIV: 1V
TIME/DIV : 2mS