Mystery MMD-574 Service Manual
Audio PLL +3.3V
Video DAC +3.3V
PLL+3.3V
(PLL bypass)
RF +3.3V
3 mA
E9
22UF6.3V
PLL3.3V
RFGND
+
VGND
E16
22UF6.3V
C87
104
RFGND
R45
2.2
VVCC3
RF3.3V
C75
104
APLLVCC3
R50
1
C69
104
USB_PLL3.3
+
GND
VCC3
RFGND
MGND
R39
390
GND
AGNDDA_GND
U4
B1117-3.3V
2
C8
102
U6
B1117-ADJ
2
OUT
DVCC
R53
2K2
R53
2K2
VGND
AGND
GND
DVCC3
+
R51
*
+ E22
22UF6.3V
SD_VCC3
C35
104
+ E20
100UF16V
GND
8202kernel+1.8V
R12
10
C7
104
E3
P+5V
A+5V
RFGND
100UF16V
L7
FB
+ E18
100UF16V
L9
FB
C11
102
R17
2.2
C73
104
GND
+ E17
C20
104
100uF10V
VCC1.8
+
GND
FROUT
FLOUT
VCC3
E21
100uF10V
FROUT
FLOUT
SDRAM +3.3V
34ma~58ma(64Mx1)
Flash +3.3V
L3
FB
+
ROM_VCC3
VideoPLL+1.8V
L8
FB
+5AVAA
C72
104
C14
104
R42
10
C63
104
VPLLVCC1.8
+
C13
104
E15
22UF6V3
R8
33
C6
104
GND
L4
FB
L5
FB
C4
104
E2
R14
22UF6.3V
0
RFGND
APC3.3V
C9
104
R59
R58
R57
R35
10K
10K
10K
10K
SD--------------2.80V
USB------------3.50V
SD+USB------2.27V
DVD-STBDVD-CLKDVD-D1
OUT
ADJ
1
3
IN
ADJ
1
R40
200
C201
R203
222
2K7
GND
C202
R204
222
2K7
IN
R207
1K
R54
R1
GND
220uF
DVD-D2
3
C50
0.1U
GND
E11
C107
R122
102
NC
C126
222
R121
NC
USB.DET
SENSE1(SD-CD)
R-OUT
L-OUT
去CPU检测脚
R304
10K
D3 D4
GND
NC-----------------5V
R302
22K
J3
P+5V
E19
C85
C94
104
100UF16V
102
GND
USB-UP
3
2
1
2
3
*
R100
47K
Q100
1
3
1
2
R102
9014
100K
R26
120
OP-SW
LO-SW
SW1
CL
R211
10
A9V
C205
104
GNDAGND
ACC
CL-SW
E203
100UF16V
IR
GNDA
RESET#
DVD-STB
DVD-D2
DVD-D1
DVD-CLK
J4
*
2
1
VOUT
L-OUT
R-OUT
IR_IN
USB.DET
VGND
VGND
AMUTE
SPDIF
P+5V
VGND
M-
M+
VFD_STB
VFD_DATA
AU_D2
VFD_CLK
VGND
VGND
CN1
1
14P
CN2
13
12
11
10
9
8
7
6
5
4
3
2
1
13P
HOP1200W-SUN P L US-8202D
7654321
R134
TUN1 TUNER008
Q111
9014
D
FM VT
R124
C
EC107
47uF
CN301
B
CON22-2.0
D301
D302
BATT
R381
10 1/2W
A
Q307
9015
R388
22K
R360
4K7
HCC
RDS RF
AF Mute
L - Out
R- OutSDIF/ST LED
Mo/St
AM Osc
RA_RSDIF/ST
R111
1K2
R112
22K
EC110
0.47uF
Q108
9014
CON303
2P-2.0
ENCODER
CPU5V
LAM8V
2COLOR
CPU5V
KEY1
M+
R391
10 1/2W
Q104
9015
C122 272M
R119
470
C110
104
KEY2
ACC
LCD_CE
SYS5V
LCD_DO
LCD_CLK
IR
REV
FWD
M-
R393
22K
GND
ST/MO
AM OSC
RA+
FMMWFM+
R109
1K2
R110
22K
R115 1K
D101
R116
150
4148
Q106
9014
Q107
9014
C108
820P
R118
10
R326 10K
IR
FWD
REV
SCL
SDA
ACC5V
LCD_DO
LCD_C LK
LCD_C E
CON304
2P-2.0
Q314
R392
9015
R394
4K7
REV
FWD
123456789101112131415161718192021
R126
R125
1K2
4K7
HCC
AF OUT
AF MUTE
RA_L
F_LOC
LOC
AM+
RA+
AMVT
Q105
FM OSC
AM OSC
9015
220
R123
3K3
EC105
R120
R122
2K2
470
2u2
C109 104
R121
8K2
Q109
9014
Q110
9014
R117
1K
Q114
9014
ZD103
EC106
C111
104
10V
47uF
C322
EC310
104
100UF
USB+5V
C126
104
22
USB/AUDIO GND
USB+/Vide IN
21
20
USB GND
U_UM/AUX _L
U_UP/ AUX_R
4148
4148
C313
104
R359
680
ZD301
6V8
Q312
9014
JR1
USB+
19
18
17
U-UM
16
U-UP
15
14
R323
68 /0.5W
13
R322
4K7
12
R321
4K7
11
R320
4K7
10
R319
4K7
9
8
7
6
5
4
3
2
1
CD6208
IC302
123456789
C311
1uF
C312
104
Q306 882
C315
104
C314
104
R397
100K
EC305
D311
47UF
4148
R387
R396
4K7
22K
D312
4148
AGC Out
AM/LW
AM VT
RA+
AM+
R108
AGCOUT
AMVT
AM+
LOC
IF/ST
AGCOUT
1K
103
R107
C123
L101
I/O-6
12
VDD
13
AM-OSC
14
FM-OSC
15
GND
16
MW/FMIF
17
AGCOUT
18
R113
I/O-7/SCIN
1K
19
DO1
20
DO2
R114
470
EC201
100uF
C206
104
X2
4.332M
C207
39P
FM LOC
AM LOC
O
F_LOC
FM+
I/O-5/CLK
FM-OUT
MW-OUT
IC101TC9257A
C205
104
C208
39P
FM +
C105
C106
LOC/DX
CLOCK
FM VT
GND
GND
FM Osc
22
C112
222M
FM OSC
FM VT
FM
104
MW
104
R150
47K
1011
9
8
7
6
4K7
R136
5
DATA
R137
4K7
4
R138
4K7
3
CE
2
XT-
1
XT+
XL101
C120
7.2M
33P
IC201
T2
CMP
10
T1
VSS3
11
VSS1
VSS2
12
VDD2
ADD1
13
MUX
XI
14
VREF
XO
15
RDATA
NC
16
QUAI
RCLK
BU1923
R204
1K
R_CLK
CON5
3P-2.0
外置遥控
C323
104
R331
33
R330 22K
R332 22K
R328 10K
R327 10K
R329 22K
R333 22K
R324
2K2
C310
104
风扇
Q313
882
EC308
C321
1K
100UF
104
ZD305A
10V
Q315
9014
R395
DVD.PS
4K7
CPU5V
R334 22K
R325
C127
1K
100P
R316
1K2
Q305
9014
LED1
LED
R317
4K7
49
IR
50
FWD
51
REV
52
SCL
53
SDA
54
OPEN.SW
55
CLOSEN.SW
56
LOAD.SW
57
TEL.MUTE
58
59
SENSIO
60
ACC
61
LCD.DO
62
LCD.C LK
63
LCD.C E
64
FLASH.LED
R389
22k
CPU5V
R314 100K
SYS5V
R315
0
R000
C301
27P
C303
27P
C114
472
L201
33uH
L202
33uH
223
RA_R
RA_L
C128
Q119
ST/MO
LOC
R151
9014
R105
10K
47
R152
C103
47K
224
C104
EC108
R106
104
100uF
0
PLL.CL
PLL.CE
C121
33P
R201
47
C204
89
7
6
560P
5
C203
R202
4
330P
3
2
C201
1
25P
C202 104
R203
1K
R_SDA
BB
MUTE
SUB-W
4148
D305
48
BEEP
SUB-W.SW
MUTE
TMP86CH49
XIN
XOUT
TESE
VSS
123456789
104
C306
100K
R301
0
XL302
C302
8M
27P
R302
XL301
0
C304
32.768K
27P
DVD/USB/SD/MMC/AUX/SUB-W/4X4 0W
C118
R128
8K2
0.1uF
C116
472
C113
222M
C119
R127
0.1uF
8K2
C117
C115
472
472
RA+
AF OUT
+5V
Q102 9014
ZD101
EC101
5V6
PLL.DI
C124
104
EC111
100uF
ZD102
8V2
R147
10K
R148
IF/ST
220
DVD.PS
CD.CTL
IC301
VDD
P21/XTIN
100K
POW
AUX
PLL.CE
PLL.CL
PLL.DI
R_SDA
AF MUTE
2COLOR
R335 22K
333435363738394041424344454647
2COLOR
PLL.CE
PLL.CL
PLL.DI
PLL.DO
RDS.SDA
AF.MUTE
RADIO.CTL
POW.ON
AUX.SW
SERVO.RST
E+
E-
P22/XTOUT
RESET
P20/CDC.BUS
P00/CD.CS
P04/CD,DI
P05/CD.DO
P06/CD.CLK
10111213141516
Q304 9015
R304 10K
R306
10K
C305
100K
R303
104
RESET
1 2 3 4 5 6 78
R130
R129
47uF
Q101 882
EC109
47uF
R149
47K
R336
22K
DCLK.SEL
AMIF.SEL
RDS/NORDS
LEVEL1
S.METER
LEVEL2
SD/USB.DET
P07/RDS.SCK
SW1
KEYA1
KEY0
SD/ST
AREA
AVDD
VAREF
2K2
470K
470K
EC103
Q112
220uF
R132
9014
R133
1K5
R131
1K5
P/N
AUX
R135
1K2
2K2
Q113
9014
R101
10 1/4W
R102
680
C101
104
R103
10 1/4W
R104
680
C102
104
Q118
9014
ST
R337
47K
R338
330K
R383
1K
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
C307
104
S.METER
LEVEL1
ST
R308
22K
LEVEL2
R_CLK
R609
EC603
474
R610
1K
EC604
474
3K3
ENCODER
R607
10K
C603
680K
Q601
224
R603
C601
1UF
Q602
9014
EC602
1UF
LEVEL1
R343
R601
150k
1uF
9014
EC828
4u7F
R605
560
EC829
4u7F
R604
680K
C602
R602
150k
1uF
单频谱
R606
560
ZD104
D102
HCC
4148
2V
Q115
9015
R141
12K
S.METER
R146
VR101
10K
10K
SUB-W
R344
R346
R348
R345
R347
EC307
100uF
D601
1K
4148
R911
22K
EC601
D603 4148
R608
10K
C604
224
D602
4148
R612
22K
D604 4148
Q116
9014
R143
R309
R139
12K
R140
10K
Q117
R142
9015
10K
R144
47K
R145
10K
SD
FM+
KEY1
KEY2
LEVEL2
1K
R342
1K
R341
C2
104
R390 220K
R384
R311
10K
10K
10K
10K
10K
R312
R310
MUTE
R305
10K
R307
ZD302
1M
3V9
47K
R357 47K
R356 100K
R355
R846NCR847
CDR
EC807
R812
R-RA
LI-BAS
C821 224
ACC5V
EC822
4u7
R-CD
LO-BAS
C820 224
C819 224
R828
3K3
NC
876
IC701 NC
123
R707
0
R364
1K
CON3
5P-2.5
Q803
1K
8050
Q802
9014
C812
EC708
4u7
EC805
224
C816
4u7F
R-AUX
R-OUT
R-LOUD
IC802 TDA7313
RI-BAS
RO-BASRRLRRFLF
C818 224
R827
3K3
R710
NC
R706
0
EC704
SYS5V
R361
2K2
DVD.PS
R370
4K7
Q302
9014
VO1
VO2
104
NC
VIDEO
AUX_V
5
4
EC702
C316
104
R401
75
100uF
AUX_R
AUX_L
EC709
4u7F
CDR
CDL
SDA
SCL
AUX_L
AUX_R
R351
R8440R845
224
C817
L-CD
L-AUXL-IN
L-LOUD
L-OUT
L-RA
15 16 17 18 19 20 21 22 23 24 25 26 27 28
EC104
4u7
EC814
4u7
R371
0
R372
0
EC705NCC703
EC706
3mm
EC707
3mm
R352
R354
R353
CPU5V
C107
104
CN307 13P -1.0
M-
13
M+
12
11
OPEN
10
CLOSEN
9
LOAD
8
IRo
7
6
RESE
5
CD,CS
4
CD.DI
3
CD.DO
2
CD.CLK
1
1
2
3
DVD5V
4
D304
5
6
DIGITAL
7
4148
8
9
10
11
USB.DET
12
VIDEO
0
13
13P -1.0
CN302
NC
CDL
ZD801
9V1
R-IN
EC703
3mm
3mm
C701
C702
R362
10K
R363
10K
5
100P
C401
R813A
EC803
100uF
C815 272
R-TRE
102
102
Q301
9014
R369
H
L DVD_V
R850
R851
22
R813
150
22K
R835
22
150
R852
22K
EC809
C814 272
22uF
1234567891011121314
VDD
CREF
AGND
L-TRE
D-GND
SDA
SCL
R823
2K2
EC810
R824
2K2
EC811
R825
2K2
EC812
R826
2K2
EC813
CON701
R701
3K3
0
R705
R703 8K2
3P-2.0
8K2
R704
NC
EC701
R702
3K3
C903
104
Q310
9015
IC304 78L05
GND
C309
EC306
104
100uF
ZD303
6V8
R365
1K
6
IC303
AP1507
GND
VIN1VOUT2GND3FB4CTL
R368
10K
EC302
L301
R367
0
100UH/2A
D309
NC
SK34
EC304
EC401
47uF
R407
75
R402
AUX
10K
EC402
47uF
C402
100P
R922
BAT
R922A
R412
680
AUX_V
EC833
47uF
R838
R817 22K
R853
R854
EC834
47uF
R857
R858
R859
10uF
10uF
10uF
10uF
R919 22
R920 39K
EC903
100uF
INOUT
R366
560
EC102
100uF
MUTE
100uF
100uF
IC401 BA7612
1
2
3
4
100
100
R818 22K
R820 47K
R411
22K
R-L
EC902
R913
EC301
EC303
R816
47K
F-L
5
IC803 4558
4
47K
F-R
22K
47K
R855
47K
5
4558
IC804
4
22K
47K
22K
R-R
C825
R808 100K
F-L
R805 100K
C826
F-R
R804 100K
C827
R-L
R810 100K
C828
R-R
47uF
R910
39K
R906
4
IC901 4558
5
220
EC904
R914
1K
100uF
R917
0
EC112
100uF
SUB-WOUT
CON311 3P2.0
C308
223
R1
22 1/2W
R379
680
C318
104
100uF
DVD5V
C317
104
100uF
R408
8
75
7
6
5
R410
NC
Q401
882
EC907
100uF
EC407
ZD901
5V6
47uF
876
123
R815
47K
876
123
R860
47K
474
474
474
474
C901
39K
683
R907
10K
123
876
Q903 8050
R915
EC906
NC
C1
104
LAM8V
IC402
1
2
3
4
BA7623
EC403
R848
150
10uF
EC806
100uF
R830
150
R856
150
EC832
100uF
R861
150
R837
15K
R849
1K
EC901
10uF
R905
220
9014
R908
5K6
C902
474
C905
333M
1K
R916
4K7
DIGITAL
D308
4001
R385
1K
LED2
RED
R409
4K7
Q311
9014
D310
4007
8
7
6
5
C904
104
FL
R65
RR
1K5
R803
EC808
10uF
EC831
10uF
EC830
10uF
C823
1uF
100K
100K
R904 100K
R903
R902
R901 100K
Q901
R909
2K2
Q905
9014
R921
10K
9014
Q904
R918
10K
Q902
9014
R378
22 1/2W
INOUT
GND
IC305
78L15
Q316
9015
R398
47K
IC306
KA7808
D306
OUT
4007
POW
EC405
R403
75
220uF
EC406
R404
75
220uF
1K5
FR
RL
R64
RL
1K5
R63
FR
1K5
RR
BB
R862
FL
1K5
R833
FL
47
R831
10K
R834
10K
R836
FR
47
EC820
2200uF
R843
10K
R839 47
RR
R842
RL
R840
10K
Q309
772
BAT
IN
GND
R382
2K2
R377
10K
L401
VO1
1.8uH
R405
NC
L402
VO2
1.8uH
R406
NC
R801
47K
R802
10K
Q801
9014
22
Mute pin
474
C801
11
CH1 IN
C805
472
TDA7381=4x30W
TDA7384=4x40W
TDA7386=4x50W
TDA7560-4x60W
474
C802
12
CH2 IN
C806
R806
1K5
472
TDA7384
474
C803
CH3 IN
R807
1K5
14
C807
472
13
S-GND
C808 474
CH4 IN
15
TAB
C822
472
1K5
R809
C824 104
47
EC824
4U7
Q804
9014
Q805
9014
FR_CH
D801
5401
1
EC823
4U7
FL_CH
FR-
FL+
FR+
FL-
RR+
EC825
4U7
RR-
ANT
L801
BATT
5uH 15A
RL+
RL-
FL_CH
ANT
ACC
FR_CH
Q806
EC826
9014
4U7
RR_CH
RL_CH
EC827
4U7
Q807
BATT
9014
D313
4007
ACC
R349
R373
10K
1 1/2W
R313
10K
R375
22K
R382A
2K2
Q308
9014
AM/FM
SUB-W
EC821
1uF
6
CH1 OUT+
BATT+
CH1 OUT-
CH2 OUT+
CH2 OUT-
IC801
CH3 OUT+
CH3 OUT-
CH4 OUT+
CH4 OUT-
Stby
10
4
EC801
47uF
R811
10K
BAT
JN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
IC307
78R05
Pin
地区
欧洲
美国
21
1
地区
美国2
日本
俄罗斯
IF R345 R346
30
450
AM IF
10.71
29
无RDS 0-0.8V
RDS
RDS
24
无IF 0- 0 。8V
AUX1+
AUX
AUX1+
计IF
31
AM/FM
FM
AM/FM+S
FM+SUB
8
20
PO-GND
PO-GND
PO-GND
PO-GND
16
C810
1uF
FR-
FL+
FR+
FL-
RR+
NC
RR-
ANT
NC
BATT+
RL+
GND
RL-
Front Left Line Out
ACC IN
Front Right Line Out
Line Out GND
Line Out GND
Rear Right Line Out
Rear Left Line Out
JENSEN
IN
OUT
USB+5V
电压
0-0.8V
0.81-1.5V
1.51-2.5V
2.51-3.5V
3.51-5V
电压
0-0.8V
0.81-5V
0.81-5V
0.81-1.5V
0-0.8V
0.81-1.5V
1.51-2.5V
2.51-5V
BATT
RR+
9
8
7
RL+
5
2
3
21
24
23
17
18
19
20 Pin jack
21
15A FUSE
22
GND
R353 R354
NC
10K
10K
10K
10K
NCNC1K
10K
R347 R348
NCNC1K
10K
R351 R352
NC 1K
10K NC
R343 R344
NC
10K
10K
10K
D
RR-
RL-
FR+
FR-
FL+
FL-
C
B
SW
1K
3K
6K8
15K
NC
1K
3K
6K8
A
NC
Loading...