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JVC RM-P200 Service Manual page 22

Remote control unit

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M
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Measuring point
{ © )
Seer
ee
Adjustment parts ( @ )
Adjustment procedure
ad
Adjustment level ( 3 )
2.3
ADJUSTMENT OF POWER SUPPLIES (RM board)
+14 V DC
Digital voltmeter
| © TP6
1) Turn on the power switch of RM-P200.
power supply
@® R80 (14 V ADJ)
2) Adjust VRs to obtain the specified voltage re-
w +14V DC
spectively.
+9VDC
Digital voltmeter
| © TP7
power supply
@® R88 (9 V ADJ)
w
+9VDC
2.4
ADJUSTMENT OF COMPOSITE SIGNAL OUTPUT (RM board)
Adjusting
Oscilloscope
©
TP1
1) Observing an oscilloscope, adjust R141
to ob-
video level
(10 : 1, H-rate)
®
R141 (GAIN ADJ)
tain the specified output level.
¥% 0.55 Vp-p
) Observing an oscilloscope, adjust-C103 to ob-
tain the specified output level.
® C103 (F. RESPONSE)
x
1 Vp-p
2.5
ADJUSTMENT OF COMPONENT SIGNAL OUTPUT (RGB board)
Oscilloscope
e R/G/B OUT terminals :
Terminated with
(10 : 1, H-rate)
(Rear panel)
75 Q resistors
Adjusting
output level
¢ KY-20/KY-15 VP board :
Extension board is
(inside adapter)
substituted for it.
R channel
1) Connection between test points and the oscillo-
scope:
© TP2 [RGB board] ————_-++—>
1-ch off oscilloscope
ww
© TP17 [Camera's' extension board]—>
2-ch of oscilloscope
@® R240 (R GAIN)
2) Adjust R240 so that levels of ch-1 and ch-2 co-
(RGB board]
incide with each other.
TP2
Level
TP17
® R340 (G GAIN) [RGB]
B channel
© TP4 [RGB board]
S TP19 [Camera's' extension board]
@® R440 (B GAIN) [RGB]
Revised on Oct. 1990.
2-2

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