ALPINE MMD-574 Service Manual SCH
CON1
KEY1
SW/IC+5V
2COLC
TALK
6V/12V
TALK/LED
REMOER
ENCODER
ACC12V
KEY2
Audio-R
Audio-L
IC GND
MIC+
Audio-GND
FF22P2.5
Audio Jack
CLK
DO
DI
CE
LGND
MIC-
NC
GND
LCD1
R130
47 1/4W
R136
47 1/4W
R110
R135
LED1
LED
R132
1K
100
D101
4148
330 1/4W
56 1/6W
R108
R112
5K6
R116
5K6
Q13
9013
RED=47 1/2W
BLUE=22 1/2W
R134
820
LGND
D102
4148
150 1/6W
R104
9013
Q01
Q02
9013
JR9
0
Q05
9013
1K
R117
Q12
9013
R114
1K
R111
P1
1K
R121
4K7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
R131
10K
R113
LGND
10
GND
L
TALK
SW26
LED15
LGND
B
R
GND
BLUE/MIC
+
-
ZD101
LGND
JR7
LGND
R115
10K
Q07
9013
LGND
5V1
GND
JR10
0
BLUE
RED
单色灯R 220 1 /6W
单色灯B 15 0 1 /6W
R107
5K6
0
R133
1K5
LGND
R123
1 1/4W
R206
10K
LGND
Q06
9013
LED10
POWER LED
150 1/6W
R204
4K7
Q04
9013
56 1/6W
R126
Q03
9013
C02
104P
R105
JR8
0
GND
R141
X(47K)
LED2
LED
单色灯R 22 0 1 /6W
单色灯B 15 0 1 /6W
R125
5K6
Q11
9013
R205
1K5
LED14
R103
22
4K7
GND
BLUE
LGND
R25
R26
4K7
LED4
LED
R140
X(330K)
RED
LED13
R138
82K
R109
22
R145
22
GND
LED
LED11
LED
R143
22
LED12
R129
22
GND
SW1
M1(PAUSE)
GND
R139
47K
12
12
3
3
LED5
LED
LED
REMO
REMOT
1
R1
180
GND GND GND GND GND GND GND GND GND GND GND GND
R24
180
GND GND
4
45ENCODER
5
R127
22
LED
LED9
R144
22
+
GND
GND
SW2
M2(SCAN)
SW25
DISP/COLOR
VOL1
LED6
R2
220
R23
220
LED
EC01
R102
10U
R124
22
LED
567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465
123
LED8
LED
R128
22
180
R203
C201
3K3
SW3
M3(RPT)
SW24
POWER
103P
R3
330
R22
330
LOC
JR30JR4
GND
4
S1S2S3S4S5S6S7S8S9
R202
3K3
R201
3K3
C202
103P
R4
470
SW4
M4(SHF)
R21
470
TA NO RDS
AF
JR6
0
0
SW23
MUTE/AF
GND
R101
47K
C01
680P/NPO
SW5
M5(DISC DN)
GND
S1
S3
S2
S61
S54
S55
S56
R5
680
R20
680
MONO
SW22
DSP/TA
JR5
0
S10S5S12
S13
GND
DO
CLK
CE
OSC
VSS
VDD2
VDD1
INH
VDD
COM3
COM2
COM1
NC
NC
NC
NC
SW6
M6(DISC UP)
SW21
SCAN/PTY
GND GND
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S5
S7S8S9
S10
S13
S14
SEG1
SEG2
SEG3
SEG5
SEG6
SEG7
SEG4
1
2
3456789101112131415
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
NC
NC
S59
S60
R6
1K
R19
1K
NC
S62
S12
SW7
BAND/LOUD
SW20
MODE/FUNC
IC1
LC75823
NC
NC
NC
S38
S57
S63
R7
1K5
R18
1K5
JR2
0
S26
S27
S28
S29
S15
S16
SEG8
SEG9
NC
NC
SEG40
S48
S53
SW8
SEEK/TUNE UP
RDS
JR1
SW19
MUTE1
GND
S17
SEG10
S47
R8
2K2
R17
2K2
0
S30
S31
S18
SEG11
SEG39
S46
S32S4S34
S19
S20
SEG12
SEG13
SEG37
SEG38
S44
S45
SEEK/TUNE DN
GND
S35
S36
S37
S21
S22
SEG14
SEG15
SEG35
SEG36
S42
S43
R9
3K3
SW9
R16
3K3
B
SW18
LOCAL/AF
S38S6S40
S23
SEG16
343536373839404142434445464748
SEG34
S41
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
SEG33
TALK
S41
S42
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SW10
SEL/INIT
JR11
S43
S44
S45
S46
S47
S48S7S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S4
S34
S35
S36
S37
S6
S40
R10
4K7
SW11
VOL DN
R15
4K7
0
GND GND GND
R11
8K2
R14
8K2
SW16
S13
S18
DSP(SOUND)
S53
S54
S55
S56
S57
S12
S59
S60
R12
18K
SW12
VOL UP
R13
18K
SW15
MONO
66
S61
S62
S63S1S2
S3
SW13
AS/PS
SW14
EJECT
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