(No.49860)1-27
SECTION 4
Description of major ICs
4.1 HA13164A (IC901) : Regulator
• Pin layout
• Block diagram
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Function
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.
10
AUDIO OUT
Output voltage is 9V when M or H level applied to CTRL pin.
11
CTRL
L: BIAS OFF M: BIAS ON H: CD ON
12
CD OUT
Output voltage is 8V when H level applied to CTRL pin.
13
ILM AJ
Adjustment pin for ILM output voltage.
14
ILM OUT
Output voltage is 10V when M or H level applied to CTRL pin.
15
GND
Connected to GND.
2
1
11
12
10
15
13
14
5
4
6
3
8
9
7
ILM AJ
GND
GND
C6
10u
C5
0.1u
C4
0.1u
C3
0.1u
AUDIO OUT
CD OUT
CTRL
ANT CTRL
EXT OUT
ANT OUT
VCC
ACC
Surge Protector
BIAS
TSD
C1
100u
C2
0.1u
+B
ACC
BATT.DET OUT
COMPOUT
VDD OUT
SW5VOUT
ILMOUT
C7
0.1u
C8
0.1u
R1
UNIT R:
C:F
note1) TAB (header of IC)
connected to GND
TAB
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