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§ PIF VCO ADJUSTMENT
[Measuring Instrument Connection]
1. Connect the 12V DC POWER SUPPLY to TP4 and TP5.
2. Set the frequency of RF PATTERN GENERATOR with COLOR BAR PATTERN signal to 45.75MHz,
and connect the RF output to TP1.
3. Connect the DIGITAL MULTI METER to TP3.
4. Adjust L506 so that the voltage of TP3 becomes 3.8V ± 0.1 Vdc within two DROP-POINTs (FIGURE 2).
3.8V
§ SCREEN ADJUSTMENT
1. Push the 9D.SCR key of SERVICE REMOCON to obtain one line picture of screen.
2. Adjust the R,G,B Bias volume in order that the one line of screen may become white color.
RF PATTERN
GENERATOR
PM-5518
TP1
(L102)
V
DIGITAL MULTI
METER
TP3
TP4
(I501 #7)
(R701)
[ADJUSTMENT SET]
(FIGURE 1)
adjust point
voltage drop points
(FIGURE 2)
7
DC POWER
SUPPLY
TP5
(I201)
core(L506) rotating
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