Voltage - Mitsubishi DY-6MW7U53-2 Service Manual

VOLTAGE

MODEL : DY-6MW7U53-2
(Pin numbers are as measurement points.)
1. Audio -COM
IC800 PCB-MAIN
Pin
Pin Name Function
No.
1 DSP-RDY SUB DSP RDY input
2 STM(CD) Communication request from CDX3
3 D-MTS(CD) Cereal data communication output to mecha
4 D-STM(CD) Cereal data communication input from mecha
5 CLK(CD) Cereal clock communication input from mecha
6 BYTE
7 FLASH-CNVSS For flash writing
8 MUTE(CD) Mute request from CDX3
9 ACC-ON(CD) ACC-ON output to CDX3
10 RESET
11 Xout
12 VSS
13 Xin
14 VCC
15 NMI
16 SW-DATA-RXD PANEL UART communication data input
17 ACC ACC detection
18 BATT BATT detection
19 - Not Used
20 BEEP BEEP sound output
21 CK Clear pulse output for watch dog
22 RCT ENABLE request for watch dog
23 SPEED SPEED pulse input
24 - Not Used
25 AMP-P-ON External AMP POWER ON request
26 - Not Used
27 SCL I2C clock output
28 SDA I2C data output
DISP-DATA-TXD PANEL UART communication data output
29
(FLASH-TXD) /For flash writing
SW-DATA-RXD PANEL UART communication data input
30
(FLASH-RXD) /For flash writing
31 FLASH-SCLK For flash writing
32 FLASH-BUSY For flash writing
AMP/RSES(UART) AMP/RSES UART communication data output/
33
PC-TXD for PC communication
AMP/RSES(UART) AMP/RSES UART communication data input/
34
PC-RXD for PC communication
35 - Not Used
36 - Not Used
37 - Not Used
38 - Not Used
39 FLASH-EPM For flash writing
40 - Not Used
41 RTS doe PC communication
42 CTS doe PC communication
43 STBY STBY request for POWER IC
44 FLASH-CE For flash writing
45 P-MUTE MUTE request for POWER IC
46 - Not Used
47 H-MUTE MUTE request to mute circuit
48 - Not Used
49 - Not Used
50 FM-ON Power supply SW to diversity circuit
Voltage [V] Pin
I/O ACT Pin Name
FM AM CD No.
I - 0/5 0/5 0/5 51 NOISE
I H - - 0/5 52 -
O - - - 0/5 53 WP
I - - - 0/5 54 DSP-DRDY
I - - - 0/5 55 SWITCH-SELECT Switch communication select
I - - - - 56 DSP-S-RESET
I - - - - 57 DSP-RQ
I L - - 0/5 58 DSP-INIT-RESET SUB DSP INITIAL RESET request
O H - - 0/5 59 -
I - - - - 60 VCC
O - - - - 61 DISPLAY-SELECT Display communication select
- - - - - 62 VSS
I - - - - 63 V-IF-BW
- - - - - 64 S-METER
I - - - - 65 -
I - 0/5 0/5 0/5 66 -
I L 0/5 0/5 0/5 67 -
I L 0/5 0/5 0/5 68 -
- - - - - 69 -
O - 0/5 0/5 0/5 70 -
O - 0/5 0/5 0/5 71 -
I - - - - 72 -
I - 0/5 0/5 0/5 73 RDS-CLK
- - - - - 74 RDS-DATA
O L 0/5 0/5 0/5 75 DSP-RST
- - - - - 76 AF-OK
O - 0/5 0/5 0/5 77 CDSP-PON
O - 0/5 0/5 0/5 78 -
79 -
O - 0/5 0/5 0/5
80 -
81 -
I - 0/5 0/5 0/5
82 HARD Ver(MSB)
O - 0/5 0/5 0/5 83 HARD Ver(LSB)
O - 0/5 0/5 0/5 84 MODEL(CD/MD)
85 -
O - 0/5 0/5 0/5
86 REMOCON
87 -
I - 0/5 0/5 0/5
88 TEL-MUTE
- - - - - 89 ANT-ON
- - - - - 90 ACC-ON
- - - - - 91 PLL-ON
- - - - - 92 -
I - 0/5 0/5 0/5 93 -
- - - - - 94 AVSS
I - 0/5 0/5 0/5 95 MTS(CD)
O - 0/5 0/5 0/5 96 VREF
O H 0/5 0/5 0/5 97 AVCC
I - 0/5 0/5 0/5 98 DSP-SDI
O H 0/5 0/5 0/5 99 DSP-SDO
- - - - - 100 DSP-SCLK
O H 0/5 0/5 0/5
- - - - -
- - - - -
O H 0/5 - -
Function I/O ACT
FM
Noise detection I - 0/5
Not Used - -
O - 0/5
SUB DSP DRDY input I - 0/5
O - 0/5
SUB DSP SYSTEM RESET request O L 0/5
SUB DSP RQ request O - 0/5
O L 0/5
Not Used - -
- -
O - 0/5
- -
Input for changeable IF monitor I - 0
S meter input I - 0
Not Used - -
Not Used - -
Not Used - -
Not Used - -
Not Used - -
Not Used - -
Not Used - -
Not Used - -
Clock input from RDS decoder I - 0/5
Data input from RDS decoder I - 0/5
RESET request to CDS O - 0/5
AF change request from RDS decoder I - 0/5
Power supply ONSW to CDSP O H 0/5
Not Used - -
Not Used - -
Not Used - -
Not Used - -
Hardware version(MSB) I - 0
Hardware version(LSB) I - 0
Audio model setting I - 0
Not Used - -
Steering remote control AD input I - 0
Not Used - -
TEL MUTE input I L 0/5
ANT+B power supply SW O H 0/5
SW for internal power supply O H 0/5
SW for power supply for tuner O H 0/5
Not Used - -
Not Used - -
- -
Communication request to CDX3 O L
- -
- -
SUB DSP data input I - 0/5
SUB DSP data output O - 0/5
Clock output for SUB DSP I - 0/5
26
2. CDSP
IC204 PCB-MAIN
FM 98.1MHz,30.0%MOD,VOL MIN
BATT,ACC 13.2V
Voltage [V] Pin
Pin Name Voltage [V]
AM CD No.
- - 1 FM-MPX 1.6
- - - 2 LEVEL 2.1
0/5 0/5 3 HANS-R 1.6
0/5 0/5 4 HANS-R(GND) 1.6
0/5 0/5 5 HANS-L 1.6
0/5 0/5 6 HANS-L(GND) 1.6
0/5 0/5 7 POM 3.3
0/5 0/5 8 RRV 1.6
- - - 9 RLV 1.6
- - - 10 VSSDA 0.0
0/5 0/5 11 VDDDA 3.3
- - - 12 VREFDA 1.7
5 - - 13 FRV 1.6
5 0 5 - 14 DEEMP -
- - - 15 FLV 1.6
- - - 16 - -
- - - 17 FS-SYS 0.0/3.3
- - - 18 WS-DAC -
- - - 19 DATA-DAC -
- - - 20 CLK-DAC -
- - - 21 - -
- - - 22 VDDQ 3.3
0/5 0/5 23 VSSQ 0.0
0/5 0/5 24 SPDIF2 1.7
0/5 0/5 25 SPDIF2 1.7
0/5 0/5 26 - -
0/5 0/5 27 CD-WS -
- - - 28 CD-DATA -
- - - 29 CD-CLK -
- - - 30 IIS-CLK 0.0/3.3
- - - 31 IIS-IN1 0.0
5 0 5 0 5 32 IIS-IN2 0.0
5 0 5 0 5 33 IIS-WS 0.0/3.3
5 0 5 0 5 34 IIS-OUT1 0.0/3.3
- - - 35 IIS-OUT2 0.0/3.3
5 0 5 0 5 36 VDDQ 3.3
- - - 37 VSSQ 0.0
0/5 0/5 38 FM-HOLD 3.1
0/5 0/5 39 REFREZE 0.0
0/5 0/5 40 - -
0/5 0/5
- - -
- - -
- - -
- - 0/5
- - -
- - -
0/5 0/5
0/5 0/5
0/5 0/5
Pin
Pin Name Voltage [V]
No.
41 AF OK 0.0
42 DSP-RST 3.1
43 RTCB 0.0
44 SHTCB 0.0
45 TSCAN 0.0
46 VDDQ 3.3
47 VSSQ 0.0
48 VDD 3.3
49 VSS 0.0
50 VSS 0.0
51 VDD 3.3
52 VSS 0.0
53 VSS 0.0
54 VSS 0.0
55 VSS 0.0
56 A0 0.0
57 SCL 0.6/5.4
58 SDA 0.2/5.4
59 RDS-CLK 0.0/3.3
60 RDS-DATA 0.0/3.3
61 SEL-FR 0.0
62 VSS-OSC 0.0
63 OSC-IN 0.0~3.1
64 OSC-OUT 0.0~3.1
65 VDD-OSC 3.3
66 AM-R/AM 1.6
67 AM-L -
68 OPTION-R 1.6
69 OPTION-L 1.6
70 CDX3-R 1.6
71 CDX3-GND-R 1.6
72 CDX3-L 1.6
73 CDX3-GND-L 3.2
74 VDDAAD 3.3
75 VDACP 3.3
76 ADACN 0.0
77 VREFAD 1.7
78 RSES-R 1.6
79 RSES-L 1.6
80 FM-RDS 1.6