5
KRC-19A/G,289
MICROCOMPUTER'S TERMINAL DESCRIPTION
TEST MODE
Pin No.
Pin Name
I/O
Description
Processing Operation
62
B.U.
DET
I
Momentary power down detection input
Hi : When momentary power down detected
or B.U. OFF, Lo : B.U. ON
63
S METER
I
S-meter input from the F/E
64
PANEL
I
Panel detaching detection input
Lo : Panel not detached
65
GND
I
Connected to GND lines.
66
GND
I
Connected to GND lines.
67
HOLD
I
MI-COM. HOLD input
Lo : Hold
68
VDD
-
VDD connection terminal
Connected to B.U. 5V lines.
69
GND
I
Connected to GND lines.
70
GND
I
Connected to GND lines.
71,72
O
N.C.(Not used)
73
VDD
-
VDD connection terminal
Connected to B.U. 5V lines.
74
GND
I
Connected to GND lines.
75
GND
I
Connected to GND lines.
76
VSS
-
Ground connection terminal
Connected to GND lines.
77,78
O
N.C.(Not used)
79
GND
-
TEST terminal 1
Connected to GND lines.
80
XOUT
O
Main clock resonator connection terminal
1. How to enter the test mode
• Reset the unit while holding the "FM" key and preset "6" key.
• All indication segments go ON at the beginning of the test mode.
2. How to release the test mode
• (NOTE) The test mode is not canceled by ACC OFF, power OFF, momentary power down or the panel off.
• Set the volume level to -10dB (which is shown as "30" on the display).
front / full rear respectively by pressing the "Track Up" / "Track Down" keys.
• Sound coordination doesn't appear for the feed.
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Terminal Description IC1 : MI-COM. (X14-)
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9
2
8
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