Clarion PU-2325A User Manual

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PU-2294A/B
PU-2325A
Item Procedure
Measuring
instrument
■ADJUSTMENTS
FM S-meter
1. Press the RDS button and M6 button to set RDS test mode.
2. Input a 98.1MHz/30dB
μ(1kHz,30％ mod) signal.
3. Adjust VR101 of the tuner pack so that an output of TP101 is 2.8V.
■BLOCK DIAGRAM
BL101
FM /M W /LW TUNER
7.2M H z
PLL-IC
LC 72146
IC 103
RDS-DECO DER
SAA6579
IC 102
ELECTRO NIC-
VO LUM E
LC 75386
IC 2 0 1
PO W ER-IC
TD A7385
IC 3 0 1
4.33M H z
12M H z
ISO CONNECTOR
PO W ER
SUPPLY
CD
M ECHANISM
EEPRO M
N M 93C 46
IC 803
SYSTEM CO NTRO L
uP D 784216B G C
IC 801
ROTARY
ENCODER
VR101
LCD DISPLAY
LC D 101
KEY M ATRIX
LCD DRIVER
LC 75854
IC 101
VAN
CONTROLLER
TSS461
IC 401
VAN
TRANSCEIVER
MTC30521
IC 402
4M H z
■EXPLANATION OF IC
■μPD784216BGC-102-8EU 052-1157-00 CD, Radio, VAN-Bus
Controller
1. Outward Form : 100 pins QFP
2. Terminal Description
pin 1 : LCD DO : O : LCD data output.
pin 2 : LCD CLK : O : LCD clock output.
pin 3 : LCD CE : O : LCD chip enable signal output.
pin 4 : RDS DATA : IN : RDS serial data input.
pin 5 : NOISE CLR : O : Noise clear signal output.
pin 6 : RDS MUTE : O : "H"= RDS mute ON.
pin 7 : FM SD : IN : "H"= FM station detected.
pin 8 : AM SD : IN : "H"= AM station detected.
pin 9 : VDD : - : Positive supply voltage.
pin 10 : X 2 : - : Crystal connection (12MHz).
pin 11 : X 1 : IN : Crystal connection (12MHz).
pin 12 : VSS : - : Ground.
pin 13 : XT 2 : - : Not in use.
pin 14 : XT 1 : IN : Not in use.
pin 15 : RESET_ : IN : Reset signal input. "L"= Reset.
pin 16 : SUB SYNC : IN : Sub cord block synchronizing pulse input
from CD.
pin 17 : VAN INT_ : IN : VAN interrupt signal input. Negative logic.
pin 18 : RDS CLCK : IN : RDS clock pulse input.
pin 19 : LCD DI : IN : LCD data input.
pin 20 : BACKUP DET : IN : Backup interrupt signal input.
"H"= Backup ON.
pin 21 : ACC DET_ : IN : ACC ON signal input. "L"= ACC ON.
pin 22 : CATS DET_ : IN : "L"= ISO connector pulled off.
pin 23 : A VDD : - : Positive supply voltage.
pin 24 : A Vref 0 : - : Reference voltage input for A/D convert-
er.
pin 25 : NOISE IN : IN : Input terminal of A/D converter to detect
the Noise of FM.
pin 26 : N.C. : IN : Not in use.
pin 27 : S METER : IN : Input terminal of Internal A/D converter to
detect the Voltage of FM S meter.
pin 28 : DG PHNT IN : IN : Input terminal of Internal A/D converter to
detect the PHANTOM circuit.
Ref. Table 1.
pin 29 : PLL DI : IN : PLL serial data input.
pin 30 : REMOCON 1 : IN : Remote control signal input.
pin 31 : REMOCON 2 : IN : Remote control signal input.
pin 32 : MUTE DET : IN : Input terminal of Internal A/D converter to
detect the Voltage of Backup Line.
pin 33 : A VSS : - : Ground.
pin 34 : SD SPD UP : O : FM SD speed control signal output.
"L"= FM seek.
pin 35 : EEPROM DI : IN : Serial data input from EEPROM.
pin 36 : A Vref 1 : - : Connect to VDD.
pin 37 : PLL/ROM DO : O : Serial data output to PLL and EEPROM.
pin 38 : PLL/ROM CK : O : Clock pulse output to PLL and EEPROM.
pin 39 : EEPROM CE : O : Chip enable signal output to EEPROM.
pin 40 : PLL CE : O : Chip enable signal output to PLL.
pin 41 : DG PHN OUT : O : Diagnosis Phantom signal output.
Ref. Table 1.
pin 42 : A MUTE_ : O : Mute signal output to Audio power ampli-
fier IC. "L"= Mute ON.
pin 43 : JBL AMP RM : O : "H"= External Audio amplifier ON.
pin 44 : BEEP : O : Beep output.
pin 45 : VOL CLK : O : Clock pulse output to Electric volume IC.
pin 46 : VOL DATA : O : Serial data output to Electric volume IC.
pin 47 : VOL CE : O : Chip enable signal output to Electric vol-
ume IC.
pin 48 : VOL MUTE_ : O : Mute signal output to Electric volume IC.
"L"= Mute ON.
pin 49 : 5V REM_ : O : 5V power supply circuit control signal out-
put. "L"= ON.
pin 50 : 14V REM : O : 14V power supply circuit control signal
output. "H"= ON.
pin 51 : +VAN ON : O : "H"= ACC(+VAN)ON.
pin 52 : TEL MUTE : IN : "H"= Tel mute ON.
pin 53 : EEPROM INI_ : IN : EEPROM initialize command input.
Negative logic.
pin 54 : CD 8V ON : O : CD 8V power supply circuit control signal
output. "H"= ON.
pin 55 : CD 5V ON : O : CD 5V power supply circuit control signal
output. "H"= ON.
SSG
Milli volt meter

Clarion PU-2325A Specifications

General

Brand	Clarion
Model	PU-2325A
Category	Stereo System
Language	English