Prology DVS-2125 Service manual. www.s

Car Audio
DVS-2125
KEY BOARD - CIRCUIT DIAGRAM
C IN
1
1
L305
VCC5V
VCC5V
5R
L306
5R
L307
2R
C109
220uF/6.3V
+
VI
AVDD_GMC
C322
0.1uF
AGND
AVDD_DAC
C324
0.1uF
AGND
C326
0.1uF
AVDD_XTAL
+
C232
22pF
L205
0R
C229
22pF
L209
3
VOUT
VOUT
2
4
VO
1
L1206
C305
10uF/6.3V
C1206
L301 10R
SOT-223
2
4
SOT-223
VOUT
VOUT
U101
AMC1117-3.3V
VIN
VIN
U102
AMC1117-2.5V
3
AGND
AGND
L204 0R
R221 0R
0R
L210 75R
R223 0R
L206
VCC5V
C328
0.1uF
R220
NC
AGND
R222
NC
13R AGND
L203 0R
AGND
AVDD_PWM
C228
100pF
C231
100pF
C327
33uF/6.3V
C1206
L308
BEAD/120R
C230
L212 1uH
10p
C227
L211 1uH
10p
C233
R227 0R
L102
FB120R
L0805
L0805
L103
FB120R
2
VCC3.3V
+
VCC3.3V
VCC2.5V
C307
C226 0.1uF
C223 0.1uF
C219 0.1uF
C217 0.1uF
C216 0.1uF
C214 0.1uF
5555
D101
VCC1.8V
+
NC
C314
C313 0.1uF
2 VSYNC_IN
2 HSYNC_IN
C116
220uF/6.3V
AGND
C318 0.1uF
AVDD_ADC
S1_CIN+
S1_CINS1_YIN+
S1_YIN-
C321 1nF
BIN+
BINGIN+
GINRIN+
RIN-
C315 0.1uF
SOG_Y
BIN+
BINGIN+
GINRIN+
RINS1_CIN+
S1_CINS1_YIN+
S1_YIN-
2
2
2
2
2
2
2
AGND
2
2
2
2
2
2
2
2
Q2
Q1
VCC2.5V
VCC1.8V
L304
+
Y300
12MHz
0.1uF
C319
0.1uF
C320
0.1uF
C302
AGND
C301
R303
390R
0.1uF
AGND
AVDD_ADC
BEAD/120R
+
AGND
C316
10uF/6.3V
C1206
R301
1M
C304
10uF/6.3V
C1206
VDDC
L300
BEAD/120R
C300
33pF
C309
33pF
VDDC
0R
OPEN
VCC2.5V
INTOUT
GNDP
VDDP
GOUT7/DTCON4
GOUT6/DTCON5
GOUT5
GOUT4
GOUT3/LVA0M
GOUT2/LVA0P
GOUT1/LVA1M
GOUT0/LVA1P
ROUT7/DTCON6
ROUT6/DTCON7
ROUT5/LVA2M
ROUT4/LVA2P
ROUT3/LVACKM
ROUT2/LVACKP
ROUT1/LVA3M
ROUT0/LVA3P
GPIO7
VDDP
GNDP
HSYNCO/DTCON8
VSYNCO/DTCON9
DEO/DTCON10
CLKO
FB/GPIO11
OSDB/GPIO10
OSDG/GPIO9
OSDR/GPIO8
RESET
PWM1D
PWM2D
TESTIN
POWER_ON_RSTN
SCL
SDA
INT
PGOOD
L303
BEAD/120R
L302
AVDD_MPLL
C312
0.1uF
AGND
AVDD_OPLL
C310
0.1uF
AGND
1
2
3
4
DIO1
BOUT7
BOUT6
BOUT5
BOUT4
1
2
3
4
DIO1
BOUT3
BOUT2
BOUT1
BOUT0
VDDP
BEAD/120R
TP2
3
RP300
1K
RP301
1K
TUNER_PW 1
GPIO25_AUDIO_A 5
GPIO24_AUDIO_B 5
GPIO6_BLKON 1
7496MUTE 5
7496STBY 5
IR_INT
8
7
6
5
8
7
6
5
R3
R2
R1
R0
R7
R6
R5
R4
R330 33R SDA_RX
R326 33R SCL_TX
R[0..7]
SDA_RX 2
SCL_TX 2
CSN
SDO
SDI
SCK
R[0:7] 4
RP307
1K
1
2
3
4
EE
4
4
4
4
8
7
6
5
1
2
3
4
VCC
WP
SCL
SDA
VDD
U300
CE#
HOLD#
SI
SCK
SO
WP#
VCC5V
R319
4K7
8
7
5
6
VCC3.3V
C308
0.1uF
SCL_5V
SDA_5V
R309
4K7
Debug
VCC5V
CN300
100R
100R
1
2
3
4
DIP04PM-2.0mm-Header
DIP04PM-80-V
VCC5V
R310
R311
C311
0.1uF R308
4K7
PMC25LV010
VSS
8
7
6
5
SCL_TX
SDA_RX
R318
4K7
24C16
A0
A1
A2
GND
U301
FLASH
1
2
3
4
G[0..7]
G[0:7] 4
GOUT7 RP302 1
G7
8
GOUT6 1K 2
G6
7
GOUT5
G5
3
6
GOUT4
G4
4
5
GOUT3
G3
1
8
GOUT2 RP303 2
G2
7
GOUT1 1K 3
G1
6
GOUT0
G0
4
5
B[0:7] 4
ROUT7
B7
1
8
ROUT6 RP304 2
B6
7
ROUT5 1K 3
B5
6
ROUT4
B4
4
5
ROUT3
B3
1
8
ROUT2 RP305 2
B2
7
ROUT1 1K 3
B1
6
ROUT0
B0
4
5
GPIO7_VLCDPW 1
RP306
1K
OSDHS
1
8
HS
OSDVS
2
7
VS
3
6
DENA
OSDCLK
4
5
DCLK
OSDFB_GPIO11
C323
OSDB_GPIO10
OSDG_GPIO9 1
NC
TP3
OSDR_GPIO8 1
TP4
R320 33R
RESET_MARIA
BRIGHTNESS
BRIGHTNESS 1
PWM2D
VOLUME_PWM 5
TESTIN
R321
POWER_ON_RST
VCC5V
TX
10K
RX
R322
C325
10uF
C1206
33R
R323
0R
GPIO25_AUDIO_A
GPIO24_AUDIO_B
GPIO4_LED_G
GPIO6
GPIO5
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
VCC2.5V
VDDP
R300
33R
R304
R305
MST717A
Digital Panel
2A/2S/1C Input
with CCFL
SDA_5V
SCL_5V
SAR0 R336
1K KEYSAR
SAR1 R337
1K LSSAR
GPIO3_LED_O
PWM1
FB1
SENSE1
MST717A
AVSS_ADC
VCLAMP
VRM
VRP
AVDD_ADC
SOG
BINP
BINM
GINP
GINM
RINP
RINM
AVDD_ADC
C1INP
C1INM
YS1INP
YS1INM
C2INP
C2INM
YS2INP
YS2INM
CVBS1P
CVBS1M
CVBS2P
CVBS2M
AVDD_GMC
VIN
FAULTZ
FB2_DPWM
FB1_DPWM
AVDD_SAR
AVSS_SAR
AVSS_DPWM
AVDD_DPWM
Q2
Q1
AVSS_PWM
AVDD_PWM
U302
AGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
2 I2CSDA
2 I2CSCL
4 SAR0
AGND
AVDD_SAR
CVBS1+
CVBS1P
CVBS1CVBS1M
TV_CVBS+
CVBS2P
TV_CVBSCVBS2M
AVDD_GMC
7 VIN_FB
OLPZ
1 PWM1
1 FB1
1 SENSE1
AVDD_PWM
AVDD_CCFL
7 Q2
7 Q1
7 IFB
7 VFB
7 AVDD_SAR
CVBS2M 3
CVBS2P 3
S1_YIN- 3
S1_YIN+ 3
S1_CIN- 3
S1_CIN+ 3
DGND 1,2,4,5
0.1uF 0.1uF 0.1uF
C303 C306
VDDP
C113
C120
1uF 220uF/6.3V
+
JP4
SHORT
C215
20pF
C218
20pF
C225
20pF
L309 FB120R
XTALI
XTALO
GND
1
GND
1
R226
75R
AGND
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
2
AVDD_XTAL
AVDD_DAC
TP1
VREXT_CDAC
AVDD_OPLL
1
ROM_EN
VDDC
SCK
SDI
SDO
CSN
1
AVDD_MPLL
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
AVSS_MPLL
AVDD_MPLL
AVSS_FSCPLL
HSYNCIN
VSYNCIN
XTALIN
XTALOUT
AVSS_XTAL
AVDD_XTAL
AVDD_DAC
VCOMDC
VREXT_CDAC
AVDD_OPLL
AVSS_OPLL
GNDC
VDDC
ROM_EN
DTCON1
BOUT7/DTCON2
BOUT6/DTCON3
BOUT5
BOUT4
BOUT3
BOUT2
BOUT1
BOUT0
PWM2
FB2
SENSE2
PWM1
FB1
SENSE1
PGOOD
VDDP
SAR0
SAR1
SAR2
VDDC
GNDC
SCK
SDI
SDO
CSN
GPIO24
GPIO25
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
CON205
Y IN
1
CON207
CAMERA IN
220uF/16V
+
2
2
2
KEY BOARD - CIRCUIT DIAGRAM
3
KEY BOARD - LAYOUT DIAGRAM
4
KEY BOARD - LAYOUT DIAGRAM
5
MAIN BOARD - CIRCUIT DIAGRAM
6
MAIN BOARD - PCB LAYOUT TOP VIEW
7
MAIN BOARD - PCB LAYOUT BOTTOM VIEW
8
SD BOARD - CIRCUIT DIAGRAM
9
SD BOARD - LAYOUT DIAGRAM
10
SD BOARD - LAYOUT DIAGRAM
11
SERVO BOARD - CIRCUIT DIAGRAM
12
SERVO BOARD - CIRCUIT DIAGRAM
13
SERVO BOARD - CIRCUIT DIAGRAM
14
SERVO BOARD - LAYOUT DIAGRAM TOP VIEW
15
SERVO BOARD - LAYOUT DIAGRAM BOTTOM VIEW
16
SERVO BOARD - LAYOUT DIAGRAM BOTTOM VIEW
17