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WAVE FORM VOLTAGE
Base voltage of voltage
regulator
transistor
4, BY }
Regulated power
4, 8Y
supply voltage
5. OV Microcomputer
power supply
: 100mS
P-CONT INPUT
ON
5. 5V
OFF(STANDBY)
-0. 2V
P-OFF OUTPUT
ON
ov
OFF(STANDBY)
4, 8V
P-OFF (DISPLAY ON/OFF)
ON
4. OV
OFF
-32V
ECB
29A1015
25A1296
29€1815
25€2001
SCHEMATIC
DIAGRAM POINT
VOLTAGE, WAVEFORM
RF signal
level
Vp-p should be approx. 1. 5V,
when playing TRACK 2 of YEDS-18,
VCO input
Normal ly
4y
demultiplied
output
|
| appears at CXD1135Q
0
@ pin,
VCO LPF OUT
In play mode this voltage moves with
in 0 + 0.5V DC.
DAC I/V OUT
OdB test disc:
1. 6V
1, 45V(Min)~2, 15V(Max)( tolerance)
EMP, H-EMP
ON
3, 6V
OFF
-5. 6V
AUDIO MUTE
ON
4,2¥
OFF
-5.6V
FOCUS SEARCH
|
oe
ee
4
BCE
BCE
25B1370
DTA124
2502061
DTC124
DTC144
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