Clarion PP-2778L, Руководство по обслуживанию, Страница: 3 / 28

- 3 - PP-2778L
ADJUSTMENTS
Item Procedure
Measuring
instrument
Clock accuracy 1. Set a universal counter to TP101, adjust TC101 so that a reading of the counter
is 0+/-0.1 sec./day.
Universal counter
FM noise
convergence 1. Input the 98.1MHz/55dBu(1kHz,30% MOD)signal.(VOL MAX=0dB)
2. Adjust the outputs to -22dB by VR102 when the SG output is set -20dBu. SSG
Milli-volt meter
EXPLANATION OF IC
051-5041-90 BD3827K Sound Processor
052-3193-10 M30624MGA-652GP System Controller
Terminal Description
pin 1: LCD CLK : O : The clock pulse output to the LCD driver.
pin 2: LCD DO : O : The srial data output to the LCD driver.
pin 3: LCD DI : IN : The srial data input from the LCD driver.
pin 4: ILL PULSE : IN : Illumination control signal input.
pin 5: TIME BASE : IN : Time base pulse input.
pin 6: BYTE : IN : The data length selection(8bit/16bit).
pin 7: CN VSS : IN : Connect to VSS via a resistor.
pin 8: TEST : IN : For the test.
pin 9: NU : O : Not in use.
pin 10: RESET : IN : Reset signal input.
pin 11: X out : O : Crystal connection.
pin 12: GND : - : Ground.
pin 13: X in : IN : Crystal connection.
pin 14: VDD : - : Positive voltage supply.
pin 15: NMI : IN : Connect to VDD via a resistor.
pin 16: BU DET : IN : Backup detection signal input.
pin 17: ACC IN : IN : ACC ON flag input.
pin 18: TEL ON : IN : Telephone ON signal input.
pin 19: ILL ON : IN : Illumination ON signal input.
pin 20: AMP ON : O : Audio power amplifier ON signal output.
pin 21: SYS ON : O : System ON signal output.
pin 22: DIMMER : O : PWM output.
pin 23: NU : O : Not in use.
pin 24: BEEP : O : Beep out.
pin 25: TEL/NAVI MUTE: O : The muting signal output for the telephone
and the navigation.
pin 26: 6-CD REQ : IN : The request signal input from the 6CD-
Changer.
pin 27: 6-CD RX : IN : The serial data input for 6CD-Changer.
pin 28: 6-CD TX : O : The serial data output for 6CD-Changer.
pin 29: NDS/FLASH TX : O : NDS serial data output for NDS and Flash
memory.
pin 30: NDS/FLASH RX : IN : NDS serial data input for NDS and Flash
memory.
pin 31: FLASH CLK : O : The clock pulse output for the flash mem-
ory.
pin 32: NAVI ON : IN : NAVI ON signal input.
pin 33: NU : O : Not in use.
pin 34: NU : O : Not in use.
pin 35: NDS CONT : O : NDS/Automatic-changer select.
pin 36: NDS REQ 2 : IN : NDS request signal input.
pin 37: NDS REQ 1 : IN : NDS request signal input.
pin 38: SOURCE CHG : O : The signal source change signal output.
pin 39: FLASH EPM : O : FLASH EPM.
pin 40: EEP ROM DO : O : The serial data output to the EEP-ROM.
pin 41: EEP ROM CK : O : The clock pulse output to the EEP-ROM.
pin 42: EEP ROM DI : IN : The serial data input from the EEP-ROM.
pin 43: EEP ROM CE : O : The chip enable signal output to the EEP-
ROM.
pin 44: FLASH CE : IN : The chip enable signal input for the flash
memory.
pin 45: CD ON : O : CD ON signal output.
pin 46: AUX REQ : O : AUX request signal output.
pin 47: AUX ON : IN : AUX ON signal input.
pin 48: COMBI ON : O : Combi ON signal output.
pin 49: E VOL DO : O : Serial data output to the volume IC.
pin 50: E VOL CLK : O : The clock pulse output to the volume IC.
pin 51: Power IC SDA : O : The serial data output to Power IC.
pin 52: Power IC CLK : O : The clock pulse output to Power IC.
pin 53: Power IC Stndb : O : The standby signal output to Power IC.
pin 54: Power IC Diag : IN : Power IC Diagnosis signal input.
pin 55: AF MUTE : O : Audio frequency signal muting.
pin 56: VOL 1 : IN : Volume control pulse input from the rota-
ry encoder.
pin 57: VOL 2 : IN : Volume control pulse input from the rota-
ry encoder.
pin 58: NU : O : Not in use.
pin 59: NU : O : Not in use.
pin 60: VDD : - : Positive voltage supply.
pin 61: NU : O : Not in use.
pin 62: GND : - : Ground.
pin 63: PLL CE : O : The chip enable signal output to the PLL
IC.
pin 64: PLL CLK : O : The clock pulse output to the PLL IC.
pin 65: PLL DO : O : Serial data output to the PLL IC.
pin 66: PLL DI : IN : Serial data input from the PLL IC.
pin 67: ST/TWEET :I/O: Outputs "L" at AM 900kHz receiving. In-
puts "L" at FM stereo receiving.
pin 68: NU : O : Not in use.
pin 69: NU : O : Not in use.
pin 70: RDS DATA : IN : RDS serial data input.
pin 71: RDS CLK : O : RDS clock pulse output.
pin 72: VNC CNT : O : VNC control signal output.
pin 73: MD LD : IN : Disc-in signal input from the MD mecha-
nism.
36 F o u t 2 R
37 F o u t 1 R
39 F o u t 1 F
38 F o u t 2 F
40 V C C
41 A D J
34 F i n 2 F
35 F i n 1 F
42 C L K
43 D ATA
44 D G N D
31
T
out 1
30
T
out 2
28
BP3-2
29
SW Out
27
BP2-1
26
BP1-1
33
Fin 1R
32
Fin 2R
25
BP1-2
24
BP2-2
23
BP3-2
20
Vo l 1
19
S e l 1 17
P o u t 1
18
P o u t 2 16
S e l 2
15
Vo l 2
22
L o u d 2
21
L o u d 1
14 E 2
13 E 1
12 D 2
3
A P
1
4
A N
1
6
A P
2
5
A N
2
7
B 1
8
B 2
1
A
GND
2
FIL
9
C 1
10
C 2
11
D 1
+ - + -
G a i n c o n t r o l
G a i n c o n t r o l
G a i n c o n t r o l
G a i n c o n t r o l
V
o
lume
V
o
lume
B P F
B a s / Tr e
B P F
B a s / Tr e
A t t
F a d e r
&
Vo l u m e
V C O
L o g i c
I n p u t S e l e c t o r
1 / 2 V c c