JVC AV-2956BE Service Manual page 25

Measuring
Item
instrument
SIDE PIN Signal
generator
Remote
control unit
TRAPEZIUM Signal
generator
Remote
control unit
CORNER PIN Signal
generator
Remote
control unit
Test point Adjustment part
[4. DEF]
7. EW-PIN
Straight
[4. DEF]
6. TRAPEZ
Parallel
[4. DEF]
8. COR-UP
9. COR-LO
Straigt
Description
PAL SIDE PIN
(1) Receive a PAL crosshatch signal.
(2) Set the COMPRESS(16 : 9) to ON.
(3) Select 4. DEF from the SERVICE MODE.
(4) Select <7. EW-PIN>.
(5) Set the initial setting value of <7. EW-PIN>.
(6) Adjust <7. EW-PIN> so that the first vertical lines at
the left and right edges on the screen are straight.
(7) Press the [OK] key to memorize the set values.
NTSC SIDE PIN
(1) Receive a NTSC crosshatch signal.
(2) Follow the same step 2 to 7 as in PAL SIDE PIN.
PAL TRAPEZIUM PIN
(1) Receive a PAL crosshatch signal.
(2) Set the COMPRESS(16 : 9) to ON.
(3) Select 4. DEF from the SERVICE MODE.
(4) Select <6. TRAPEZ>.
(5) Set the initial setting value of <6. TRAPEZ>.
(6) Adjust <6. TRAPEZ> so that the vertical lines at the
left and right edges on the screen are in parallel.
(7) Press the [OK] key to memorize the set values.
NTSC TRAPEZIUM PIN
(1) Receive a NTSC crosshatch signal.
(2) Follow the same step 2 to 7 as in PAL TRAPEZIUM.
PAL CORNER PIN
(1) Receive a PAL crosshatch signal.
(2) Set the COMPRESS(16 : 9) to ON.
(3) Select 4. DEF from the SERVICE MODE.
(4) Select <8. COR-UP>.
(5) Set the initial setting value of <8. COR-UP>.
(6) Select <9. COR-LO>.
(7) Set the initial setting value of <9. COR-LO>.
(8) Adjust <8. COR-UP> and <9. COR-LO> so that the
vertical lines at the four corners on the screen are
straight.
(9) Press the [OK] key to memorize the set values.
NTSC CORNER PIN
(1) Receive a NTSC crosshatch signal.
(2) Follow the same step 2 to 9 as in PAL CORNER PIN.
(No.YA466)1-25