Sony KL-W9000 service manual Adjustment Places Illustration Waveforms and Values

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	Adjustment Items and Procedure	Tools and	Test Points
		Signals
C Board Adjustment
1. PLL fo adjustment
1) WIDE mode
1.	Select WIDE mode.	* NTSC signal
2.	Open the CN5202 pin 1, H.SYNC input.
3.	Connect *IC5004 pin 2 to the GND (*TP5009) via 100Ω resis-		* IC5004 pin 2
	tance.		* TP5009 Jig land
4.	Connect *frequency counter to the pin 1 of *IC5004.	* Frequency counter	* IC5004
5.	Adjust *L5002 so as to satisfy the *specified value.	* Double speed NTSC
6.	Input H.SYNC for NT double speed, and confirm the wave-	* Oscilloscope	* TP5007 (RPD2)
	form at the *TP with *oscilloscope.
		* NTSC signal

2)NORMAL mode

1.Select NORMAL mode.

2.Open the CN5202 pin 1, H.SYNC input.

3.	Connect *IC5004 pin 2 to the GND (*TP5009) via 100Ω resis-		* IC5004 pin 2
	tance.		* IC5009
4.	Connect *frequency counter to the pin 1 of *IC5004.	* Frequency counter	* IC5004 pin 1
5.	Adjust *L5004 so as to satisfy the *specified value.
6.	Input H.SYNC for NT double speed	* Double speed NTSC
7.	Confirm the waveform at the *TP5004 with *oscilloscope.	* Oscilloscope	* TP5007 (RPD1)

Adjustment Places Illustration Waveforms and Values

* L5002	* 13.67±0.10MHz
	*

		2.3±0.3 V
⎠	Use TP5009 as ⎞
	reference GND. ⎠
⎞

* L5004	* 10.22±0.05MHz
	*

5.0Vp-p

2.39±0.1∝s

31.78∝s

⎠	Use TP5009 as	⎞
⎞ reference GND. ⎠

KL-W7000/W9000RM-Y980