Description Of Major Ics - JVC KD-S790 Service Manual

QQ
3 7 63 1515 0
4.1 HA13164A (IC961) : Regulator
• Terminal layout
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
• Block diagram
TE
L 13942296513
• Pin function
Pin No. Symbol
1 EXTOUT
2 ANTOUT
3 ACCIN
4 VDDOUT
5 SW5VOUT
6 COMPOUT
7 ANT CTRL
8 VCC
9 BATT DET
www
10 AUDIO OUT
11 CTRL
12 CD OUT
.
13 ILM AJ
14 ILM OUT
15 GND
http://www.xiaoyu163.com

Description of major ICs

ANT OUT
2
C3
0.1u
EXT OUT
1
C4
0.1u
ANT CTRL
7
CTRL
11
CD OUT
12
C5
0.1u
AUDIO OUT
10
C6
10u
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
x ao
y
Output voltage is 8V when H level applied to CTRL pin.
i
Adjustment pin for ILM output voltage.
Output voltage is 10V when M or H level applied to CTRL pin.
Connected to GND.
http://www.xiaoyu163.com
SECTION 4
8
C1
100u
VCC ACC
8 3
Surge Protector
BIAS TSD
Q Q
3 6 7 1 3
15 TAB
GND GND
note1)
connected to GND
Function
u163
.
2 9 9 4 2 8
+B
C2
0.1u
ACC
BATT.DET OUT
9
COMPOUT
6
VDD OUT
4
C7
0.1u
SW5VOUT
5
1 5 0 5 8 2 9 9 4
ILMOUT
14
C8
0.1u
13
R1
ILM AJ
UNIT R:
C:F
TAB (header of IC)
m
co
KD-S790
9 9
2 8 9 9
(No.49788)1-27