Description Of Major Ics - JVC KD-SC800R Service Manual

KD-SC800R
4.1 HA13164A (IC961) : Regulator
• Terminal layout
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
• Block diagram
• 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
10 AUDIO OUT
11 CTRL
12 CD OUT
13 ILM AJ
14 ILM OUT
15 GND
1-28 (No.49820)

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
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.
SECTION 4
C1
100u
VCC ACC
8
3
Surge Protector
BIAS TSD
15
TAB
GND GND ILM AJ
note1) TAB (header of IC)
connected to GND
Function
+B
C2
0.1u
ACC
BATT.DET OUT
9
COMPOUT
6
VDD OUT
4
C7
0.1u
SW5VOUT
5
ILMOUT
14
C8
0.1u
13
R1
UNIT R:
C:F