Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment MYSTERY Car Audio Mystery MCD-675MPU SERVO-SCH
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1 2 3 4 5 6 7 8
R23 2 USB5V
IC3 SDRAM-1X16M IC4 R66
1 UDM
FEO
TEO
3.3V
C7 22K R3.3V R3.3V R67 39
VREF
R24 C26 C27 1 VCC VSS 50 VCC VSS
C8 C9 C10 391 DB0 DB7 DB0 DB3 R68 39
L1 10U 2 I/O1 I/O16 49 DQ0 DQ3 R88 USBIN
220K 683 DB1 DB6 DB1 DB2 CON6 U2 R69 15K R89
FB320 104 104 391 3 I/O2 I/O15 48 DQ1 DQ2 15K
C28 WEB CAS CON2 LD1117-3.3V R70
R9
56K
R10 4 VSSQ VSSQ 47 WE CAS 100K 100
104 R25 33K DB2 DB5 RAS 1 3 100K
C11 5 I/O3 I/O14 46 RAS QE Vin Vout
C1 R1 C12 68K C13 R26 DB3 DB4 A9 C62 C63
GND
47U 6 I/O4 I/O13 45 A11 A9 C64 R90
D 47U 10 R11 120K R3.3V R3.3V A10 A8 C71 D
222 7 VCCQ VCCQ 44 A10 A8 104
333 47K DB4 DB3 A0 A7 C65 L8 220K
8 I/O5 I/O12 43 A0 A7 100U R91
DRAM-16M
SLO DB5 DB2 A1 A6 104 100U 104
2
9 I/O6 I/O11 42 A1 A6 22uH Q7 8050
Q1 C29 R27 VREF A2 A5 120K
10 VSSQ VSSQ 41 A2 A5
15K DB6 DB1 A3 A4 C66
103 11 I/O7 I/O10 40 A3 A4
DB7 DB0 R3.3V C72
12 I/O8 I/O9 39 VCC VSS SD3.3V
1 2 3 4 5 6 7 8 9 1011 12
24 23 22 21 20 19 18 17 16 15 14 13
R3.3V R3.3V 104
C14 13 VCCQ VCCQ 38 MSCLK
CON1 R28 LDQM DRAM-16M 22P C73 R92
102 150K 14 LDQM NC 37 Y2 C67 SDDET
8550 WEB UDQM 820P 22
VCC IC1 15 WE UDQM 36 104
CAS CLK C68 R45 12MHz
VREF 36 35 34 3332 31 30 29 28 27 26 25 16 CAS CLK 35 1M
SPO RAS CKE
GND 17 RAS CKE 34
R2 R29 C30
TO MAIN PCB
SLP
FEO
TEO
SLO
E 18 CS NC 33 48 47 46 45 44 43 42 41 40 39 38 37
TEM
TEM
SLM
GND
LPFT
TEIO
100K
ATSC
R3 150K 103 BA A9 22P
B LD SPO 19 BA A9 32 IC6
R4 68K R30 A10 A8
UDP
C PD SPM C39 20 A10 A8 31
TEST
UDM
10K
UVSS
68K A0 A7 R46
SDCLK
SDCMD
DBGDATA3
DBGDATA0
R5
UVDD
TZC/SSTOP
XTALI
D AC ASY 474 21 A0 A7 30
XTALO
PLLVSS
R6 68K A1 A6 OPEN
MS_CLK
A BD EFM 22 A1 A6 29 PLLVDD
USB_LED
68K R31 10K EFM A2 A5 51F_RST R93
DB4
R7
F
150K
F LOCK
LOCK A3
23 A2 A5 28
A4 MADDR R47
1 NRESET PLLFILTER HOST_INT 36
22
MD E WDCK 24 A3 A4 27 2 DATA0 HOST_RDY 35
C15 SIL9226 WDCK R3.3V R48 22
VR DCB CLVI 25 VCC VSS 26 3 DATA1 HOST_OUT 34
222 RESET SDRAM 16M R49 22
LD C2 MCP RESET 4 DATA2 VSS1 33
R8 MLT 3.3V R3.3V R50 22
GND DCCI MLT 5 DATA3 VDD1 32
82 222 MDATA R51 22
FO- DCCO MDATA L5 C41 6 DATA4 HOST_IN 31
C16 MCLK FB320 R52 22 TMC51F
TR- VREF MCK C40 47U 7 DATA5 MOST_CLK 30
103 SSP_S R53 22
TR+ EQC ISTAL 8 DATA6 USB_DET 29
48 47 46 45 44 43 42 41 40 39 38 37
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