Voltage - Mitsubishi DY-2X64WT-2-TH Service Manual

VOLTAGE

MODEL : DY-2X64WT-2-TH
(Pin numbers are as measurement points.)
1. -COM : PD780076GK-699-9ET
IC801 (PCB-MAIN)
FM 98.1MHz/AM 999kHz, 30%MOD, VOL MIN
BATT, ACC 13.2V
Voltage[V]
Pin
Pin sign Pin Name I/O ACT
No.
AM FM CD
1 P50/A8 EEPROM DO O H 0 0 0 EEPROM serial data output
2 P51/A9 EEPROM DI I H 0 0 0 EEPROM serial data input
3 P52/A10 EEPROM CLK O H 0 0 0 EEPROM serial clock output
4 P53/A11 EEPROM CE O H 0 0 0 EEPROM CE output
5 P54/A12 PLL/VOL CE O H 0 0 0
6 P55/A13 PLL/VOL CLK O H 0 0 0 Serial clock output to PLL/E-VOL
7 P56/A14 PLL DATA IN I H 5 5 5 Serial data input from PLL-IC
PLL/VOL
8 P57/A15 O H 0 0 0 Serial data output to PLL/E-VOL
DATA OUT
9 VSS0 GND - - 0 0 0
10 VDD0 VDD - - 5 5 5
11 P30 ALL MUTE O H 0 0 0 MUTE output
12 P31 AUX ON O H 5 5 5 AUX ON output
13 P32 TEL ON O H 5 5 5 Telephone voice interrupt output
14 P33 CD ACC ON O H 0 0 0
15 P34/SI3/TxD2 CD D-STM I H 5 5 5 Serial data input from CD
16 P35/SO3/RxD2 CD D-MTS O L 0 0 5 Serial data output to CD
P36/_SCK3
17 CD D-CLK I H 5 5 5 Serial clock input from CD
/ASCK2
18 P20/SI1 M DATA IN I H 5 5 5 M-BUS data input
19 P21/SO1 M DATA OUT O H 5 5 5 M-BUS data output
20 P22/SCK1 M SCK I/O H 5 5 5 M-BUS clock in/output
21 P23/RxD0 FLASH IN I H 0 0 0 for FLASH WRITE
22 P24/TxD0 FLASH OUT I H 0 0 0 for FLASH WRITE
23 P25/ASCK0 TEST I H 5 5 5
24 VDD1 VDD - - 5 5 5
25 AVSS GND - - 0 0 0
26 P17/ANI7 GND - - 0 0 0
27 P16/ANI6 5 A/D KEY1 input
A/D KEY1 I - 5 5
28 P15/ANI5 A/D KEY2 I - 5 5 5 A/D KEY2 input
29 P14/ANI4 REMO I - 5 5 5 D/C REMO input
30 P13/ANI3 INIT-1 I - 5 5 5 Initial setting input (function change)
31 P12/ANI2 FM SM I - - - - FM electric field input
32 P11/ANI1 AM SM I - - - - AM/LW electric field input
2.PLL IC : LC72151VS
IC101 (PCB-MAIN)
FM 98.1MHz/AM 999kHz, 30%MOD, VOL MIN
BATT, ACC 13.2V
Pin
Pin sign Pin Name I/O ACT Voltage[V]
No.
2 I/O-1 O H 8.5
FM ON
3 I/O-2 - O H -
5 O-3 - O H -
10 HCTR/I-3 IF COUNT I - 2.3
11 LCTR/I-4 IF COUNT I - 0
ACC Pin
Pin
Function
OFF Function No.
L 33 P10/ANI0
Hi-z 34 AVREF
L 35 P80/_SS1
L 36 _RESET
PLL/E-VOL communication CE terminal Hi-z 37 XT2
Hi-z 38 XT1
Hi-z 39 IC(VPP)
40 X2
Hi-z
41 X1
- 42 VSS1
- 43 P00/INTP0
Hi-z (H) Nch 44 P01/INTP1
Hi-z (H) Nch 45 P02/INTP2
Hi-z (H) Nch
46
CD-mecha ACC power supply ON output Hi-z (H) Nch
Hi-z SI3 47 P70/TI000/TO00 ST/SD
Hi-z SO3 48 P71/TI010
49 P72/TI50/TO50
Hi-z SCK3
50 P73/TI51/TO51
Hi-z SI1 51 P74/PCL/TI011
H SO1
52
Hi-z SCK1
Hi-z 53 P64/_RD
Hi-z 54 P65/_WR
Hi-z 55 P66/_WAIT
- 56 P67/ASTB
- 57 P40/AD0
- 58 P41/AD1
59 P42/AD2
- ANI6
- ANI5 60 P43/AD3
- ANI4 61 P44/AD4
- ANI3 62 P45/AD5
- ANI2 63 P46/AD6
- ANI1 64 P47/AD7
ACC Pin
Function
OFF Function
H Nch
FM power supply ON
Not Used L Nch
Not Used L Nch
FM IF count input - HCTR
- LCTR
MW/LW IF count input
Voltage[V]
Pin sign Pin Name I/O ACT
AM FM CD
NOISE I - 5 5 5 Noise volume
VDD I - 5 5 5
AF MUTE O L 0 0 0 AF MUTE output
RESET I - 5 5 5
- - - - - - Not Used
- I - 5 5 5 Not Used
IC(VPP) I - 0 0 0
X2 - - - - - 4.332MHz
X1 I - - - - 4.332MHz
GND - - 0 0 0
ACC IN I H 0 0 0 ACC input
CHACK I H 5 5 5 CHACK input
RDS CLK I H 0 0 0 RDS clock input
P03/INTP3
M BUSY I/O H 5 5 5 M-BUS BUSY in/output
/ADTRG
I H 5 5 5 ST(IFREQ OFF)/SD(IFREQ ON) input
IF REQ O H 5 5 5 IF request output
7kHz O H 0 0 0 Speaker check output
CD-EJ I H 5 5 5
ILL P.O O H 5 5 5
P75/BUZ/TI001
RDS QUAL I H 0 0 0 NO RDS detection input
/TO01
RDS DATA I H 0 0 0 RDS data input
CD STM I H 5 5 5 CD communication request input
CD MTS O H 5 5 5 CD communication request output
CD MUTE IN I H 5 5 5 CD MUTE input
PANEL O H 5 5 5 PANEL OUT output
ACC ON O H 5 5 5 ACC ON output
5 BATT input
BATT IN I H 5 5
POWER ON O H 5 5 5 Power IC standby output
TEL MUTE I H 5 5 5 TEL-MUTE input
POWER KEY I H 5 5 5 POWER KEY input
VOL IN A I H 5 5 5 Encoder VOL input
VOL IN B I H 5 5 5 Encoder VOL input
28
3.ELE-VOL IC
IC301 PCB-MAIN
FM 83MHz, 30%MOD, VOL MIN
BATT, ACC 13.2V
( ) : reference value
(communication wave)
ACC Pin
Pin
Function Pin Name
OFF Function No.
- 1 RESLO
- 2 RVRIN
L 3 RCT
- 4 RCOM
- 5 RVROUT
- 6 RTIN
- 7 RF1C1
- 8 RF1C2
- 9 RF1C3
- 10 RF3C1
Hi-z INTP0 11 RTOUT
Hi-z 12 RFIN
Hi-z INTP2 13 RFOUT
14 RROUT
Hi-z INTP3
15 TIM
Hi-z 16 TEST
H 17 CE
L TO50 18 DI
Hi-z 19 CL
L 20 VSS
21 LROUT
Hi-z
22 LFOUT
Hi-z 23 LFIN
Hi-z 24 LTOUT
Hi-z 25 LF3C1
Hi-z 26 LF1C3
L 27 LF1C2
L 28 LF1C1
29 LTIN
Hi-z
L 30 LVROUT
Hi-z 31 LCOM
Hi-z 32 LCT
Hi-z 33 LVRIN
Hi-z 34 LSELO
35 L4
36 L3
37 L2
38 L1
39 VCC
40 VREF
41 R1
42 R2
43 R3
44 R4
4.POWER IC
IC3A1 PCB-MAIN
FM 83MHz, 30%MOD, VOL MIN
BATT, ACC 13.2V
- : unsettled
Voltage Pin Voltage
Pin Name
[V] No. [V]
4.6 1 BEEP 3.1
4.6 2 P-GND 0
4.6 3 FR- 2.8
4.6 4 STBY 4.8
4.6 5 FR+ 2.8
4.6 6 VCC1 13.2
4.6 7 RR- 2.8
0 8 P-GND 0
4.6 9 RR+ 2.8
4.6 10 Ref 12.0
4.6 11 RR-IN 3.1
4.6 12 FR-IN 3.1
4.6 13 S-GND 0
4.6 14 FL-IN 3.1
0 15 RL-IN 3.1
0 16 ON TIME C 2.4
(0) 17 RL+ 2.8
(0) 18 P-GND 0
5.1 19 RL- 2.8
0 20 VCC2 13.2
4.6 21 FL+ 2.8
4.6 22 MUTE 4.0
4.6 23 FL- 2.8
4.6 24 P-GND 0
4.6 25 CLIP -
4.6
0
5.POWER SUPPLY,
4.6
TUNER VT TERMINAL
4.6
4.6 BATT, ACC, ILL 13.2V
4.6 (E):Emitter,(C):Collector
4.6 [V]
4.6 BATT 5V
4.6 Q911(E) 5.2
4.6
4.6 ACC 5V
4.6
Q922(C) 5.0
4.6
8.6 ACC 9V
4.6 Q901(E) 8.5
4.6
4.6 ILL ON
4.6
Q971(E) 8.8
4.6
FE1 PCB-MAIN
9pin(AM)
4pin(FM)
BATT, ACC 13.2V
VT
AM 531kHz 1629kHz
2.0 4.6
VT
FM
87.5MHz 108.0MHz
1.3 7.0