Mitsubishi MOTORS DY-1MW7U53, Service Manual

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VOLTAGE
MODEL : DY-1MW7U53
(Pin numbers are as measurement points.)
1. Audio -COM 2. CDSP
IC800 PCB-MAIN IC204 PCB-MAIN
FM 98.1MHz,30.0%MOD,VOL MIN
BATT,ACC 13.2V
FM AM CD FM AM CD
1 DSP-RDY SUB DSP RDY input I - 0/5 0/5 0/5 51 NOISE Noise detection I - 0/5 - - 1 FM-MPX 1.6 41 AF OK 0.0
2 STM(CD) Communication request from CD7 I H - - 0/5 52 - Not Used - - - - - 2 LEVEL 2.1 42 DSP-RST 3.1
3 D-MTS(CD) Cereal data communication output to mecha O - - - 0/5 53 WP O - 0/5 0/5 0/5 3 HANS-R 1.6 43 RTCB 0.0
4 D-STM(CD) Cereal data communication input from mecha I - - - 0/5 54 DSP-DRDY SUB DSP DRDY input I - 0/5 0/5 0/5 4 HANS-R(GND) 1.6 44 SHTCB 0.0
5 CLK(CD) Cereal clock communication input from mecha I - - - 0/5 55 SWITCH-SELECT Switch communication select O - 0/5 0/5 0/5 5 HANS-L 1.6 45 TSCAN 0.0
6 BYTE I - - - - 56 DSP-S-RESET SUB DSP SYSTEM RESET request O L 0/5 0/5 0/5 6 HANS-L(GND) 1.6 46 VDDQ 3.3
7 FLASH-CNVSS For flash writing I - - - - 57 DSP-RQ SUB DSP RQ request O - 0/5 0/5 0/5 7 POM 3.3 47 VSSQ 0.0
8 MUTE(CD) Mute request from CD7 I L - - 0/5 58 DSP-INIT-RESET SUB DSP INITIAL RESET request O L 0/5 0/5 0/5 8 RRV 1.6 48 VDD 3.3
9 ACC-ON(CD) ACC-ON output to CD7 O H - - 0/5 59 - Not Used - - - - - 9 RLV 1.6 49 VSS 0.0
10 RESET I - - - - 60 VCC - - - - - 10 VSSDA 0.0 50 VSS 0.0
11 Xout O - - - - 61 DISPLAY-SELECT Display communication select O - 0/5 0/5 0/5 11 VDDDA 3.3 51 VDD 3.3
12 VSS - - - - - 62 VSS - - - - - 12 VREFDA 1.7 52 VSS 0.0
13 Xin I - - - - 63 V-IF-BW Input for changeable IF monitor I - 0 5 - - 13 FRV 1.6 53 VSS 0.0
14 VCC - - - - - 64 S-METER S meter input I - 0 5 0 5 - 14 DEEMP - 54 VSS 0.0
15 NMI I - - - - 65 - Not Used - - - - - 15 FLV 1.6 55 VSS 0.0
16 SW-DATA-RXD PANEL UART communication data input I - 0/5 0/5 0/5 66 - Not Used - - - - - 16 - - 56 A0 0.0
17 ACC ACC detection I L 0/5 0/5 0/5 67 - Not Used - - - - - 17 FS-SYS 0.0/3.3 57 SCL 0.6/5.4
18 BATT BATT detection I L 0/5 0/5 0/5 68 - Not Used - - - - - 18 WS-DAC - 58 SDA 0.2/5.4
19 - Not Used - - - - - 69 - Not Used - - - - - 19 DATA-DAC - 59 RDS-CLK 0.0/3.3
20 BEEP BEEP sound output O - 0/5 0/5 0/5 70 - Not Used - - - - - 20 CLK-DAC - 60 RDS-DATA 0.0/3.3
21 CK Clear pulse output for watch dog O - 0/5 0/5 0/5 71 - Not Used - - - - - 21 - - 61 SEL-FR 0.0
22 RCT ENABLE request for watch dog I - - - - 72 - Not Used - - - - - 22 VDDQ 3.3 62 VSS-OSC 0.0
23 SPEED SPEED pulse input I - 0/5 0/5 0/5 73 RDS-CLK Clock input from RDS decoder I - 0/5 0/5 0/5 23 VSSQ 0.0 63 OSC-IN 0.0~3.1
24 - Not Used - - - - - 74 RDS-DATA Data input from RDS decoder I - 0/5 0/5 0/5 24 SPDIF2 1.7 64 OSC-OUT 0.0~3.1
25 AMP-P-ON External AMP POWER ON request O L 0/5 0/5 0/5 75 DSP-RST RESET request to CDS O - 0/5 0/5 0/5 25 SPDIF2 1.7 65 VDD-OSC 3.3
26 - Not Used - - - - - 76 AF-OK AF change request from RDS decoder I - 0/5 0/5 0/5 26 - - 66 AM-R/AM 1.6
27 SCL I2C clock output O - 0/5 0/5 0/5 77 CDSP-PON Power supply ONSW to CDSP O H 0/5 0/5 0/5 27 CD-WS - 67 AM-L -
28 SDA I2C data output O - 0/5 0/5 0/5 78 - Not Used - - - - - 28 CD-DATA - 68 OPTION-R 1.6
79 - Not Used - - - - - 29 CD-CLK - 69 OPTION-L 1.6
80 - Not Used - - - - - 30 IIS-CLK 0.0/3.3 70 CD7-R 1.6
81 - Not Used - - - - - 31 IIS-IN1 0.0 71 CD7-GND-R 1.6
82 HARD Ver(MSB) Hardware version(MSB) I - 0 5 0 5 0 5 32 IIS-IN2 0.0 72 CD7-L 1.6
31 FLASH-SCLK For flash writing O - 0/5 0/5 0/5 83 HARD Ver(LSB) Hardware version(LSB) I - 0 5 0 5 0 5 33 IIS-WS 0.0/3.3 73 CD7-GND-L 3.2
32 FLASH-BUSY For flash writing O - 0/5 0/5 0/5 84 MODEL(CD/MD) Audio model setting I - 0 5 0 5 0 5 34 IIS-OUT1 0.0/3.3 74 VDDAAD 3.3
85 - Not Used - - - - - 35 IIS-OUT2 0.0/3.3 75 VDACP 3.3
86 REMOCON Steering remote control AD input I - 0 5 0 5 0 5 36 VDDQ 3.3 76 ADACN 0.0
87 - Not Used - - - - - 37 VSSQ 0.0 77 VREFAD 1.7
88 TEL-MUTE TEL MUTE input I L 0/5 0/5 0/5 38 FM-HOLD 3.1 78 RSES-R 1.6
35 - Not Used - - - - - 89 ANT-ON ANT+B power supply SW O H 0/5 0/5 0/5 39 REFREZE 0.0 79 RSES-L 1.6
36 - Not Used - - - - - 90 ACC-ON SW for internal power supply O H 0/5 0/5 0/5 40 - - 80 FM-RDS 1.6
37 - Not Used - - - - - 91 PLL-ON SW for power supply for tuner O H 0/5 0/5 0/5
38 - Not Used - - - - - 92 - Not Used - - - - -
39 FLASH-EPM For flash writing I - 0/5 0/5 0/5 93 - Not Used - - - - -
40 - Not Used - - - - - 94 AVSS - - - - -
41 RTS doe PC communication I - 0/5 0/5 0/5 95 MTS(CD) Communication request to CD7 O L - - 0/5
42 CTS doe PC communication O - 0/5 0/5 0/5 96 VREF - - - - -
43 STBY STBY request for POWER IC O H 0/5 0/5 0/5 97 AVCC - - - - -
44 FLASH-CE For flash writing I - 0/5 0/5 0/5 98 DSP-SDI SUB DSP data input I - 0/5 0/5 0/5
45 P-MUTE MUTE request for POWER IC O H 0/5 0/5 0/5 99 DSP-SDO SUB DSP data output O - 0/5 0/5 0/5
46 - Not Used - - - - - 100 DSP-SCLK Clock output for SUB DSP I - 0/5 0/5 0/5
47 H-MUTE MUTE request to mute circuit O H 0/5 0/5 0/5
48 - Not Used - - - - -
49 -
Not Used - - - - -
50 FM-ON Power supply SW to diversity circuit O H 0/5 - -
Voltage [V] Pin
No.
Pin Name Function I/O ACT
29
DISP-DATA-TXD
(FLASH-TXD) PANEL UART communication data output
/For flash writing
O -
Pin
No.
Pin Name Function
0/5 0/5 0/5
30
SW-DATA-RXD
(FLASH-RXD) PANEL UART communication data input
/For flash writing
I - 0/5 0/5 0/5
33
AMP/RSES(UART)
PC-TXD AMP/RSES UART communication data output/
for PC communication
O - 0/5 0/5 0/5
34
AMP/RSES(UART)
PC-RXD AMP/RSES UART communication data input/
for PC communication
I - 0/5 0/5 0/5
I/O
Pin
No.
Pin Name Voltage [V] ACT
Voltage [V] Pin
No.
Pin Name Voltage [V]
26