JVC BM-H2000PN Service Manual

BM-H2000PN
Notch filter
Color sync
(NTSC)
Oscilloscope
Signal generator
{Color bar
NTSC/PAL)
Signal generator
(Color bar)
10 KO resistor
Shorting fixture
TP-65 C117,
(NTSC NOTCH)
C122
(PAL NOTCH)
[Signal PwB]
©222(3.58APC)
[Signal PWB]
Item Test equipment | Test points peer Adjustment procedure
locations
J. Les
Comb fitter | Osciltoscope TP-64A, Rt07 (COMB1 4. Set the menu Filter Select to Comb.
(NTSC) Signal generator TP-64B LEVEL) 2. Connect oscilloscope to TP-64A.
(Color bar) 102 (COMBI 3. Alternately adjust R107 and T102 to minimize
PHASE) the chroma component.
R147(COMB2
LEVEL) | |
R120(COMB2 {44+} +4
PHASE) | |
[Signat PWB} Minimize chroma component
. Connect oscillascope to TP-64.
. Alternately adjust R117 and R120 to minimize
- Set the menu Filter Select to Notch.
. Connect oscilloscope to TP-65.
. Adjust C117 to minimize the chroma:component.
. Supply a PAL color bar input.
- Connect a 10 KQ resistor between 16201 pin 13
. Connect a shorting fixture between IC201 pin 14
. Adjust to synchronize the color bar with C222.
. Remove the resistor and shorting fixture.
. Change the input signal, then return the color
the chroma component.
Minimize chroma component
Adjust C122 to minimize the chroma-component,
Minimize chroma component
and +B (12 V).
and ground.
bar. Confirm absence of sync disturbance.
(No.51042) 37

JVC BM-H2000PN Specifications

General

Brand	JVC
Model	BM-H2000PN
Category	Monitor
Language	English