KCA-R71FM
5
Pin No.
Pin Name
I/O
Terminal name
Description
Operation in HOLD
76
VSS
-
Vss
Vss
-
77
EO2
O
NC
Not used (open)
Hi-Z
78
EO1
O
Error out
Phase Detector Error output
Hi-Z
79
TEST1
-
NC
Not used (pull down to GND lines.)
-
80
XOUT
O
X-out
X-tal
MICROCOMPUTER’S TERMINAL DESCRIPTION
ADJUSTMENT
Instrument :
SSG, OSC (5MHz), AC VOLTMETER, PWR SUPPLY, H/UNIT, CD-CH
RECEIVER
ALIGNMENT
No.
ITEM
INPUT SETTINGS
OUTPUT SETTINGS
(MODULATOR)
POINTS
ALIGN FOR
FIG.
FREQ
L/R Balance
CD-CH cignal off
Connect a
1
Adj.
(Tr No.29 or Pause)
Oscilloscope
88.3MHz
VR301
Min Level
(a)
to Q301 Base.
1. Ref.FM 1kHz 80dB
µ
V
Connect a
Difference between
2
Moduration
Stereo, CD-CH Tr No.1
AC voltmeter
88.3MHz
VR302
FM and a CD-CH
level Adj.
2. D.Cont Off MOD Lv:2
to Receiver PreOut
level is adjusted to
(-0.5
±
1.0dB).
* After Adj. The glue is applied to VR301, VR302.
(Scope Setting Condition for L/R BAL. Adj.)
1. VOLTAGE RANGE : 5mV
2. TIME/DIV : 50
µ
s
Adjusted to be
min level point
(Before Adj.)
(After Adj.)
Fig. (a)
