JVC AV-29V514/B service manual PAL Trapezium PIN, Ntsc Trapezium PIN

Item	Measuring		Test point	Adjustment part		Description
	instrument
SIDE PIN	Signal			[4. DEF]	- PAL SIDE PIN -
adjustment	generator			7. EW-PIN	(1) Receive a PAL crosshatch signal.
					(2)	Select 7. EW-PIN.
	Remote				(3)	Set the initial setting value of 7. EW-PIN.
	control unit				(4)	Adjust 7. EW-PINso that the first vertical lines at the
						left and right edges on the screen are straight.
		Straight
					- NTSC SIDE PIN -
					(1)	Receive a NTSC crosshatch signal.
					(2)	Make similar adjustment of NTSC SIDE PIN in the
						same way as for "PAL SIDE PIN".

TRAPEZIUM	Signal		[4. DEF]	- PAL TRAPEZIUM PIN -
adjustment	generator		6. TRAPEZ	(1) Receive a PAL crosshatch signal.
	Remote			(2)	Select 6. TRAPEZ.
				(3)	Set the initial setting value of 6. TRAPEZ.
	control unit			(4)	Adjust 6. TRAPEZ so that the vertical lines at the left
					and right edges on the screen are in parallel.
		Parallel
				- NTSC TRAPEZIUM PIN -
				(1)	Receive a NTSC crosshatch signal.
				(2)	Make similar adjustment of NTSC TRAPEZIUM in
					the same way as for "PAL TRAPEZIUM".

CORNER PIN	Signal		[4. DEF]	- PAL CORNER PIN -
adjustment	generator		8. COR-UP	(1)	Receive a PAL crosshatch signal.
	Remote		9. COR-LO	(2)	Select 8. COR-UP.
				(3)	Set the initial setting value of 8. COR-UP.
	control unit			(4)	Select 9. COR-LO.
				(5)	Set the initial setting value of 9. COR-LO.
		Straigt		(6)	Adjust 8. COR-UPand 9. COR-LOso that the
					vertical lines at the four corners on the screen are
					straight.
				- NTSC CORNER PIN -
				(1)	Receive a NTSC crosshatch signal.
				(2)	Make similar adjustment of NTSC CORNER in the
					same way as for "PAL CORNER".
				(3)	Press the [DISPLAY] key twice to return to the
					normal screen.

(No.YA139)1-27