JVC BM-H2000PN Service Manual

Adjustment
Item Test equipment | Test points locations Adjustment procedure
HVC Voltmeter TP-HV . Set Ext Sync to Ext and supply a horizontal sync
Signal generator signal input.
(Al-black signal) , When the raster appears, reduce the Bright
control.
- Connect the voltmeter to TP-HV.
|. Adjust R612 (HVC) for 2.0 + 0.1 V.
H gain Signal generator DO5(H SIZE) . At the service menu, set DOS to adjust the
(NTSC) (Resolution or D21(H SIZE) horizontal size to 95 %.
crosshatch pattern) D22(H SHIFT) . Set the Scan Size to Under.
[SERVICE MENU] | 3. Set 021 to 00.
Set D22 to 253.
. Return the Scan Size to normal.
H center Signal generator D15(H SHIFT) - Adjust D15 to align the picture center with the
H gain (Resolution or D14(H SIZE) CRT center.
(PAL) crosshatch pattern) {SERVICE MENU] j 2. Adjust D14 to sei the horizontal size to 95 %.
V gain, V Signal generator DO3{V . Check that the horizcntal line of the video signal
center, V (Resolutton LINEARITY) center is at the CRT center (if shifted, adjust
linearity pattern) D01(V SIZE) R416).
(NTSC) D17(V SIZE) . Adjust the picture vertical linearity (scan ratio)
D19(V with DOs.
LINEARITY) . Adjust the screen top and bottom edges to 95 %
D18(V SHIFT) with DOT.
[SERVICE MENU} - Set the Scan Size to Under.
. Set D17 to 280.
. Set D19 to 00.
. Set D18 to 00.
. Retum the Scan Size to normal.
V gain, V Signal generator D11(V SHIFT) Adjust D11 to align the video signal center with
center, V (Resolution pattern) D12A(v the CRT center.
linearity LINEARITY) Adjust the picture vertical linearity (scan ratio)
{PAL) D10(V SIZE) with D12.
[SERVICE MENU] j 3. Adjust the screen top and bottom edges to 95 %
with D10.
Side Signal generator D07(PIN AMP) 1. Adjust side pincushion with DO7 so that A = B.
pincushion (Crosshatch D23(PIN AMP) 2. Set the Scan Size to Under.
(NTSC/PAL) | NTSC/PAL) D16(PIN AMP) 3. Adjust side pincushion with D23 so that A = B.
[SERVICE MENU] } 4. Supply a PAL crosshatch input.
5. Return the Scan Size to normal.
6. Adjust side pincushion with D16 so that A = B.
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36 (No.51042)

JVC BM-H2000PN Specifications

General

Brand	JVC
Model	BM-H2000PN
Category	Monitor
Language	English