Clarion AX523R Service Manual

Wl EXPLANATION OF IC
MuyP 0178018AGC-594-3B9 052-1913-20
Outward Form
80 pins, plastic QFP
Terminal Description
1/0 | Function
KEY A/D ae OCP Detect
| RDS S-METER RDS Signal Meter Input
RDS NOISE RDS Noise Input
VOL_CW E-VOL CW input
1/0} Function
41 O | AM DX/LO High=DX
42 | AMP REM-DET] | | GND
43 | SLAVE ON 47K to ACC+5V
44 B/L+B N.C
VOL_CCW E-VOL CCW Input
> on N.C N.C
RDS_DISCHG
LCD SI LCD Driver SI
LCD SO LCD Driver SO
LCD SCK | LCD Driver SCK
LCD CE LCD Driver Chip Enable
DINID A; wofny]—=
FM DX/LO FM DX/LO High=Local
N.C
N.C
PHONE AUDIO
N.C
SRA
s|ale
» ©
C-BUS SRQ N.C
C-BUS SI N.C
23]
oO
51
52
13 | C-BUS SO O FNC
N.C - | Open
REM +5 O | 5V power supply contro! termina!
AM Power Supply
Mute Speed up Control
Outputs Hi during SEEK
ST(RDS Test)
AM IF Count input
FM IF Count Input
PLL VDD
Inputs FM local osc frequency
Inputs AM local osc frequency
PLL GND
ctive Lo
onnect to Tuner SD/ST
DS MUTE Active Hi
cop)
xa l~ alwIN [NIN [NIN lo fo) aAIDIA an alatalal|a © Alain loin |= {o lo a Ta) NlO|aHlA lO
1
62 | FF/REW
FWD/REV
N.C
N.C
58
/FworReV |
M
High=Rew
Cass Motor On
w
MOTOR ON
pS
TAPE IN Tape Detect
U N.C
|= |
|= |
| |
| |
|= |
| = |
La
Lt |
ea
a
RDS DATA HY RDS Data In
e
| > |
a
| = |
a
| O |
a
|= |
| = |
7 | RDS CLK RDS Clock
B/U DET Back-up Detect
ACC DET
ACC Detect
N.C
Connect to Key A/D
N.C
N.C
CPU Regulator
;
OSC Regulator
Note : This is selected at initial retail setting.
REMOCON
KEY INT _
PHONE INT
CPU REG
fo)

Clarion AX523R Specifications

General

Brand	Clarion
Model	AX523R
Category	Car Receiver
Language	English