1-15
KD-S723R/KD-S721R
2
1
11
12
10
15
13
14
5
4
6
3
8
9
7
Surge Protector
BIAS
TSD
UNIT R:
C:F
note1) TAB (header of IC)
connected to GND
HA13164A(IC901):Regulator
1.Terminal layout
2.Block diagram
Function
3
4
5
6
7
8
9
10
11
12
13
14
15
ACC.IN
VDD5V
SW5V
ACC5V
ANT.CTRL
MEMORY.IN
MEM.DET
9V
CTRL
CD8V
AJ
ILL10V
GND
Output voltage is VCC-1 V when M or H level applied to CTRL pin.
Output voltage is VCC-1 V when M or H level to CTRL pin and H level
to ANT-CTRL.
Connected to ACC.
Regular 5.7V.
Output voltage is 5V when M or H level applied to CTRL pin.
Output for ACC detector.
L:ANT output OFF , H:ANT output ON
Connected to VCC.
Low battery detect.
Output voltage is 9V when M or H level applied to CTRL pin.
L:BIAS OFF, M:BIAS ON, H:CD ON
Output voltage is 8V when H level applied to CTRL pin.
Adjustment pin for ILM output voltage.
Output voltage is 10V when M or H level applied to CTRL pin.
Connected to GND.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Description of major ICs
TAB
REMO
TE
ANT
AC
C.
IN
VDD5V
SW5V
A
CC5V
ANT
.CTRL
MEMOR
Y
.IN
MEM.DET
9V
CTRL
CD8V
AJ
ILL10V
GND
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