EXPLA NATION OF IC:
052-3947-00 M30622MGP-178GP Main System controller
ADJUSTMENT
FM section
Item Procedure Measuring
instrument
S-meter 1.Input the 98.1MHz/30dBu/400Hz(main90%+pilot10%)signal. SG
2.Turn on the power and press the A-M button & PRESET No.6 button at the same
time for 1 second or longer.( TEST MODE)
3.Adjust the reading of LCD display to [24---- ](24+2/-2) by VR101.
4.Push the A-M button & PRESET No.6 button at the same time for 1 second or longer once
again or do power off to cancel the TEST MODE.
1.Terminal Description pin 54
: NU : IN : Not in use(GND).
pin 1
:
EJECT_LED
: O : Eject key illumination.
pin 55
: NU : IN : Not in use(GND).
pin 2
:
TIME_BASE
: IN : Time base pulse input.
pin 56
: NU : IN : Not in use(GND).
pin 3
: NU : IN : Not in use(GND).
pin 57
: NU : IN : Not in use(GND).
pin 4
: NU : IN : Not in use(GND).
pin 58
: NU : IN : Not in use(GND).
pin 5
: REMOCON : IN : Remote controller signal input terminal.
pin 59
: T BASE-TEST : O : Time base confirmation pin for test mode.
pin 6
: BYTE : IN : The data length selection(8bit/16bit).
pin 60
: VDD : - : Positive supply voltage.
pin 7
: CN VSS : IN : Connect to VSS.
pin 61
: NU : IN : Not in use(GND).
pin 8
: JOG_CW : IN : Jog key signal input.
pin 62
: GND : - : Ground
pin 9
: JOG_CCW : IN : Jog key signal input.
pin 63
: NU : IN : Not in use(GND).
pin 10
: RESET : IN : Reset signal input.
pin 64
: NU : IN : Not in use(GND).
pin 11
: X-OUT : O : Crystal connection.
pin 65
: ST/SD : IN : At receiving the FM station, this port dete-
pin 12
: GND : - : Negative supply voltage(Ground). cts the stereo signal. At seeking or scanni-
pin 13
: X-IN : IN : Crystal connection. ng, this port detects the station detection
pin 14
: VCC : - : Positive supply voltage. signal.
pin 15
: NU : IN : Not in use.
pin 66
: NOISE DCHG : O : RDS noise discharge signal output.
pin 16
: ACC_DET : IN : ACC detection signal input.
pin 67
: MUTE SPD UP : O : Station detection speed up command
pin 17
: B/U_DET : IN : Backup detection signal input. output for RDS.
pin 18
: KEY_INT : IN : Key interrupting signal input.
pin 68
: RDS TEST ST : O : For RDS test pin at CD play time.
pin 19
: 27pin connect : IN : Connect to 27pin.
pin 69
: RDS_MUTE : O : RDS mute signal output.
pin 20
: VARI +B : O : The power supply control signal output
pin 70
: RDS_DATA : IN : RDS serial data input.
for the illumination.
pin 71
: NU : IN : Not in use(GND).
pin 21
: LCD +B REM : O : The power supply ON signal output for
pin 72
: SOFT MUTE : O : Not in use.
the LCD driver.
pin 73
: RDS CLK : IN : RDS CLK
pin 22
: NU : O : Not in use.
pin 74
: E VOL CLK : O : Clock pulse output to the volume IC.
pin 23
: INT-AMP REM : O : ON signal output to the internal amplifier.
pin 75
: E VOL DATA : O : The serial data output to the volume IC.
pin 24
: V COLOR G : O : PWM signal output to control the green.
pin 76
: NU : IN : Not in use(GND).
pin 25
: CATS LED : O : CATS LED drive output.
pin 77
: NU : IN : Not in use(GND).
pin 26
: V COLOR R : O : PWM signal output to control the red.
pin 78
: AMP MUTE : O : The control signal output to internal audio
pin 27
: IE BUS RX : IN : IE Bus serial data input. power amplifier.
pin 28
: IE BUS TX : O : IE Bus serial data output.
pin 79
: NU : O : Not in use.
pin 29
: EMULATOR TX : O : Emulator signal output.
pin 80
:
SYS MUTE
: O : System muting signal output.
pin 30
:
EMULATOR RX
: IN : Emulator signal input.
pin 81
: PHONE INT : IN : The telephone interrupt signal input.
pin 31
: FLASH MODE : IN : The flash memory mode setting input.
pin 82
: ILLUMI DET : IN : Illumination ON signal input.
pin 32
: NU : O : Not in use.
pin 83
: NU : IN : Not in use(GND).
pin 33
: LCD SO : O : The serial data input from the LCD driver.
pin 84
: AMP REMOUT : O : ON signal output to the internal amplifier.
pin 34
: LCD SI : IN : The serial data output from the LCD driver.
pin 85
: NU : O : Not in use.
pin 35
: LCD CLK : O : The clock pulse output to the LCD driver.
pin 86
: 5V_REM : O : ON signal output to the 5V power supply.
pin 36
: LCD CE O : Chip select signal output to the LCD driver.
pin 87
: NOISE : IN : The noise level for RDS.
pin 37
: NU : IN : Not in use.
pin 88
: S_METER : IN : The input terminal of internal A/D converter
pin 38
: CTRL : O : Power supply ON signal output. to monitor the radio field strength.
pin 39
: FLASH MODE : IN : Flash mode entry signal input terminal.
pin 89
: KEY_A/D : IN : The input terminal of the internal ADC for
pin 40
: MP3 SRQ : IN : MP3 request signal input. key judgment.
pin 41
: MP3 CS : O : MP3 chip selection signal output.
pin 90
: NU : O : Not in use.
pin 42
: WUP : O : MP3 wakeup signal output.
pin 91
:
KEY ILLUMI
:O:
The key illumination ON signal output.
pin 43
: MP3 RESET : O : MP3 reset signal output.
pin 92
:
BACK LIGHT ON
: O : LCD backlight control terminal.
pin 44
: FLASH MODE : IN : Flash mode entry signal input terminal.
pin 93
:
SYS_ACC
:O:
ACC detect signal output.
pin 45
: PLL SI : IN : Serial data input from the PLL IC.
pin 94
:
GND
: - : Not in use.
pin 46
: PLL SO : O : Serial data output to the PLL IC.
pin 95
:
NU
:
IN
: Not in use.
pin 47
: PLL SCK : O : The clock pulse output to the PLL IC.
pin 96
:
VREF
:
IN
:
The reference voltage input.
pin 48
: PLL CE : O : The chip enable signal output to the PLL IC.
pin 97
:
A VDD
:-:
Positive supply voltage for the internal an-
pin 49
: NU : IN : Not in use.
alog section.
pin 50
: RDS TEST : IN : For RDS test pin at CD play time.
pin 98
:
MP3 SI
:
IN
:
MP3 serial data input.
pin 51
:
INIT 2
:IN:
The initial setting input. pin 99
:
MP3 SO
:
O
:
MP3 serial data output.
pin 52
: INIT 1 : IN : The initial setting input.
pin 100
:
MP3 SCK
:
O
:
MP3 clock output.
pin 53
: NU : IN : Not in use(GND).
Main section
DXZ558RMP
-5-
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