JVC KD-S821R Service Manual page 15

Description of major ICs
HA13164A (IC961) : Regurator
1.Pin layout
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
3.Pin function
Pin No. Symbol
1 REMOTE
2 ANT
3 ACC.IN
4 VDD5V
5 SW5V
6 ACC5V
7 ANT CTRL
8 MEMORY.IN
9 BATT DET
10 9V
11 CTRL
12 CD 8V
13 AJ
14 10V
15 GND
2.Block daiagram
2
1
7
11
12
10
Output voltage is VCC-1V.When M or H level applied to CTRL pin.
Output voltage is VCC-1V.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 applie 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.
8 3
Surge Protector
BIAS TSD
15
Function
KD-S821R
9
6
4
5
14
13
1-15