USB WIFI

5
4
3
2
1
D
D
C
C
U16
RL-UM12BS-8188EUS
4
VCC_IO
SOT23
WPM2026
2
3
HOST_DP
3
HOST_DM
2
1
GND
GND
RF
USB_D+
5
6
J27
ANT1
RF_IN/OUT
L16
NC
L0402
USB_DVCC
1
2
C293
C0402
0R
L15
NC
L0402
WIFIANT
Q13
R198
NC/100K
R0402
1
C266
0.1uF
C0402
C183
10uF/6.3V
C0805
R204
10K
R0402
B
B
VDAC
A
A
深圳市百能达电子有限公司
Title
BCL-RK2926-88V
Size
A4
Document Name
2012-12-15
Date:
5
USB WIFI
4
3
Rev
A1.3
维修参考原理图
2
Sheet
4
1
of
6
5
4
3
2
1
I2C1_SCL
VCC28_CIF
VIP Module
D
CIF_D0
CIF_D1
CIF_D2
CIF_D3
CIF_D4
CIF_D5
CIF_D6
CIF_D7
CIF_VSYNC
CIF_HREF
GPIO3_B3/CIF_PDN
CIF_CLKI
CIF_CLKO
70
71
72
73
74
75
76
77
78
79
83
80
81
CIF_D0
CIF_D1
CIF_D2
CIF_D3
CIF_D4
CIF_D5
CIF_D6
CIF_D7
CIF_VSYNC
CIF_HREF
CIF_PDN
CIF_CLKI
CIF_CLKO
P37 TEST
1
P39
1
P40
1
P41
1
P42
1
P43
1
C253
0.1uF
C0402
VCC18_CIF
VCC28_CIF
C255
4.7uF
C0603
TEST
TEST
TEST
TEST
TEST
P44 TEST
1 TEST
P45
1 TEST
P46
1
C259
4.7uF
C0603
C256
1uF
C0402
P47
1
P48
1
P49
1
P50
1
P51
1
P52
1
P53
1
TEST
TEST
TEST
TEST
TEST
TEST
TEST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CIF_PDN1
P67 TEST
1
CIF_RST
I2C1_SDA
VCC28_CIF
VCC18_CIF
VCC28_CIF
I2C1_SCL
CIF_RST
CIF_VSYNC
CIF_PDN
CIF_HREF
CIF_D7
CIF_CLKOUT
CIF_D6
CIF_D5
CIF_CLKIN
CIF_D4
CIF_D0
CIF_D3
CIF_D1
CIF_D2
VCC_IO
R180
CIF_CLKOUT
R182
C257
8pF
C0402
CIF_CLKI
22R
R0402
CIF_CLKO
22R
R0402
C318
NC
C0402
R199
10K
R0402
VCC28_CIF
CIF_PDN1
C263
1uF
C0402
3
Note: 四个器件,根据调试结果,可选择是否NC。
TEST P141
1
D
TEST P142
1
VPLL
R200
Q16
8050
SOT23 2
C
NC
AGND
SIO_D
AVDD
SIO_C
RESET
VSYNC
PWDN
HREF
DVDD
DOVDD
Y9
XCLK1
Y8
DGND
Y7
PCLK
Y6
Y2
Y5
Y3
Y4
Y1
Y0
25
26
CIF_CLKIN
I2C1_SDA
J9
OV2659
CON_05MM_24P
R177
10K
R0402
GND
GND
U1B
MCU_RK2926
I2C1_SCL
I2C1_SDA
1
C
10K
R0402
RK2926-B
FRONT&REAR CAMERA
3D G-Sensor
KEY BAORD
VCC_IO
R191
10K%1
ADKEY_IN
VCC_IO
R0402
10K%1
R0402
B
R202
33K%1
SW4
VOLSW8
1
2
1
2
1
2
1
2
3
4
3
4
3
4
C285
0.1uF
C0402
0V
3
4
1.65V
U43
GSENSOR_INT
1
2
6
INT
NC
GND
VDD
SDA
SCL
3
5
4
I2C1_SDA
I2C1_SCL
B
MXC6225XU
ESC
R0402
C270
1nF
C0402
ESD9B5V
E0402n
R194
SW3
VOL+(RECOVER)
SW8
ADKEY_IN
R0402
10R
ED24
R226
Note:
The first pin of G-sensor must be
place on the lower left corner of PCB.
A
A
When the system power on, the Adkey_in level is 0V,
RK2928 enter into loader mode.
深圳市百能达电子有限公司
Title
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
4
3
D19
BAT54S
SOT23
-7V
1K
R0402
C241
0.1uF
C0402
D15
7V
D1206
R188
NC
R0402
LC070LF02CWXXLA
U28
GND
2
C232
1uF/25V
C0805
22R
R0402
C233
0.1uF
C0402
LCD_CLK
D24
BAT54S
SOT23
C227
10uF/6.3V
C0805
C199
NC
C0402
TCS3454
4
10K
R0402
C237
AVDD
0.1uF
C0402
5
2
1
2
C226
0.1uF/25V
C0603
2
C231
L14
10uH
IND_4X4
U25
R189
C243
1uF/25V
C0805
18V
EN VCC
OVP
LX
GND FB
0.1uF 3
C0402
C239
1uF/25V
C0805
D18
1
3
R162
SOT26
C245
R167
NC
R0402
1
6
1
D14
18V
D1206
1N5819
2
SOD123
15K
R0402
22pF
C0402
AVDD
VCC_LCD
9.6
C230
10uF/10V
C0805
R161
2.2K
R0402
C242
1uF/25V
C0805
VCC_LCD
R166
10K
R0402
VCC_LCD
R168
NC
R0402
MODESELECT
R179
NC
R0402
R169
10K
R0402
SHLR
UPDN
R185
10K
R0402
R172
NC
R0402
L9
10uH/1.5A
D11
IND_4X4
1N5819
SOD123
LED+
VCC_IO
SOT23
WPM2026
2
3
U15
TT7516
R160
2
4
100K BL_EN
R0402
IN
1
SW
3
FB
R82
10K
R0402
R150
330K
R0402
R159
P36
AVDD
1
TEST
R201
100K
R0402
R187
5.6K
R0402
R117
4.7R/0603
R0603
R119
4.7R/0603
R0603
LCD_RST
STB
LCD_D1
LCD_D0
LCD_D3
LCD_D2
LCD_D5
LCD_D4
LCD_D9
LCD_D8
LCD_D7
LCD_D6
P120TEST
1
DIMO
MODESELECT
AVDD
LEDSHLR
UPDN
P119 TEST
P117 TEST 1
1
VGL
CVBCEN1
CVBCEN0
VGH
LED+
RTP
LCD_EN
R190
3.9K
R0402
C224
0.1uF
C0402
VCC_LCD
C267
1uF
C0402
C265
1uF
C0402
VCC_LCD
R192
10K
R0402
VCC_IO
BL_EN
D
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
39
40
VCOM
VCOM
VDD
VDD
NC
RESET
STB
GND
R0R0+
GND
R1R1+
GND
R2R2+
GND
RCLKRCLK+
GND
R3CON2
R3+
GND FTG800C03W-40P
NC
NC
GND
NC
DIMO
SELB
AVDD
GND
LEDLEDL/R
U/D
VGL
CABAEN1
CABCEN0
VGH
LED+
LED+
C
FPC40-R-0.5
VCOM
R143
10K
R0402
330K
R0402
P116 TEST1
4.2V
LEDR108
82K
R0402
SOT26
LCDC_BL
VCC_LCD
Q10
C264
0.1uF
C0402
5
GND OV
EN
C196
1uF/25V
C0805
1
6
C195
4.7uF
C0603
VCC_LCD
C229
0.1uF
C0402
51
VSYS
C
NC
NC
GND
DITH
VCOM
NC
RSTB
AVDD
VGL
VGH
UPDN
SHLR
GND
DCLK
GND
R0
R1
R2
R3
R4
R5
R6
R7
G0
G1
G2
G3
G4
G5
G6
G7
B0
B1
B2
B3
B4
B5
B6
B7
HSD
VSD
DE
MODE
DVDD
VCOM
GND
VLEDVLEDVLED+
VLED+
G
R7
2K
R0402
1
LCDC_CLK
R140
41
VGH
VCC_LCD
GND
D
50
VCC_LCD
P112 TEST1
49
48
P118
47
DITH
R181
P110 TEST1
TEST
46
100K
VCOM
P111 TEST1
45
R0402
44
LCD_RST
43
C228
AVDD
P107 TEST1
42
0.1uF
VGL
P108 TEST1
C0402
41
VGH
P109 TEST1
UPDN 40
P105 TEST1
SHLR 39
P106 TEST1
38
37
LCD_CLK
P104TEST
1
36
35
34
33
P88 TEST
LCD_D12
1 TEST
32
LCD_D13
P19
1 TEST
31
P20
LCD_D14
1 TEST
30
P21
LCD_D15
1 TEST
29
P76
LCD_D16
1 TEST
VCC_LCD
28
P87
LCD_D17
1
27
26
25
P89 TEST
LCD_D6
1 TEST
24
R171
P90
LCD_D7
1 TEST
23
P91
LCD_D8
10K
1 TEST
22
LCD_D9
P92
R0402
1 TEST
21
P93
LCD_D10
1 TEST
20
DITH
P94
LCD_D11
1
19
18
17
LCD_D0
P95 TEST
1 TEST
16
P96
LCD_D1
1
15
P97 TEST
LCD_D2
1 TEST
14
P98
LCD_D3
1
13
P99 TEST
LCD_D4
1
12
LCD_D5
P100TEST
1
11
LCD_HSYNC
P101 TEST1
10
LCD_VSYNC
P102 TEST1
9
P103TEST
LCD_DEN
1
8
MODESELECT
P113 TEST1
7
VCC_LCD
6
VCOM
P114 TEST1
5
4
LED3
P115 TEST1
2
1
LED+
42
R141
2
G
0.1uF 3
C0402
1
1
1
C238
2
VGL
52
5
STB
BL_EN
VCC_LCD
VCC_LCD
R207
10K
R0402
R209
10K
R0402
DIMO
CVBCEN1
R211
10K
R0402
CVBCEN0
R206
NC
R0402
R208
NC
R0402
R210
NC
R0402
25
29
28
LCDC_D0
LCDC_D1
LCDC_D2
LCDC_D3
LCDC_D4
LCDC_D5
LCDC_D6
RK2926-A
LCDC_D7
LCDC_D8
5
B2
B3
B4
B5
B6
B7
G2
G3
G4
LCDC_D9
LCDC_D10
LCDC_D11
LCDC_D12
LCDC_D13
LCDC_D14
LCDC_D15
LCDC_D16
LCDC_D17
G5
G6
G7
R2
R3
R4
R5
R6
R7
TXD
VTEST
SHUTDOWN
TP_INT
1
2
3
4
5
6
7
8
9
10
11
12
VCC_TP
LCD1
HSD070IDW1-A20
1
P77 TEST
FPC-0.5-50P-DW
G1
G2
51
J16
Touch_screen
FPC12P_05MM
VCC_IO
AGND
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
GND
GND
GND
GND
GND
GND
GND
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
52
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
R114
4K7
R0402
R112
4K7
R0402
GND
GND
TETETETETETETETETETETETETETETETETETETETETETE
VCC_TP
GND
R116
TETETETETETETETETETETETETETETETE
B
R113
NC/4K7
R0402
I2C2_SDA
I2C2_SCL
TP_INT
GND
GND
GND
NC
NC
NC
NC
GND
SDA
SCL
/SD
INT
VDD
VDD
GND
LCD_EN
LCDC_BL
TP_INT
14
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
LCD_EN
LCDC_BL
I2C2_SDA
I2C2_SCL
TP_RST1
TP_INT
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
YI_0
YI_1
YI_2
YI_3
YI_4
YI_5
YI_6
YI_7
YI_8
YI_9
YI_10
YI_11
YI_12
YI_13
YI_14
YI_15
YI_16
YI_17
YI_18
YI_19
30
31
32
33
34
35
36
37
38
39
40
41
42
43
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
39
40
41
42
43
44
45
46
47
48
49
50
3
AVDD
RXD
65
Correspondence between LCDC DATA and RGB
A
VDDIO
IRQ
GND
TP_RST1
I2C_ADDR
AVSS
24
VSS_P
27
GND
46
TP_INT
R0402
VCC_LCD
SDA
SCL
U8
MULTI-TOUCH
XI_0
XI_1
XI_2
XI_3
XI_4
XI_5
XI_6
XI_7
XI_8
XI_9
XI_10
XI_11
XI_12
XI_13
TP142
TP141
TP140
TP139
TP137
TP138
TP136
TP135
TP133
TP134
TP132
TP131
TP129
TP130
TP128
TP127
46
44
ESD0402
23
R205
10K
45
21
22
GND
XI_30
XI_29
XI_28
XI_27
XI_26
XI_25
XI_24
XI_23
XI_22
XI_21
XI_20
XI_19
XI_18
XI_17
XI_16
XI_15
XI_14
VCC_TP
TP126
TP124
TP125
TP123
TP122
TP121
TP120
TP119
TP118
TP117
TP116
TP115
TP114
TP113
TP112
TP111
TP110
TP109
TP108
TP107
TP106
TP105
LVDS_VCC
LVDS_VCC
D12
D11
I2C2_SDA
I2C2_SCL
D13
D14
D15
D16
D17
D18
D19
D20
D21
VCC_TP
C305 C262
104
1uF
C0402 C0402
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
45
44
19
LVDS_XRES
LCDC_CLK
LCD_HSYNC
LCD_VSYNC
LCD_DEN
LCD_D0
LCD_D1
LCD_D2
LCD_D3
LCD_D4
LCD_D5
LCD_D6
LCD_D7
LCD_D8
LCD_D9
LCD_D10
LCD_D11
LCD_D12
LCD_D13
LCD_D14
LCD_D15
LCD_D16
LCD_D17
I2C2_SDA
I2C2_SCL
D50
NC
43
GPIO2_B0/LCD_DCLK 42
GPIO2_B1/LCD_HSYNC 41
GPIO2_B2/LCD_VSYNC 40
GPIO2_B3/LCD_DEN 56
LCD_D0/LVDS_TX0P 55
LCD_D1/LVDS_TX0N 54
LCD_D2/LVDS_TX1P 53
LCD_D3/LVDS_TX1N 52
LCD_D4/LVDS_TX2P 51
LCD_D5/LVDS_TX2N 50
LCD_D6/LVDS_TX3P 49
LCD_D7/LVDS_TX3N 48
LCD_D8/LVDS_CLKP 47
LCD_D9/LVDS_CLKN 39
GPIO2_B4/LCD_D10 38
GPIO2_B5/LCD_D11 37
GPIO2_B6/LCD_D12 36
GPIO2_B7/LCD_D13 34
GPIO2_C0/LCD_D14 33
GPIO2_C1/LCD_D15 32
GPIO2_C2/LCD_D16 31
GPIO2_C3/LCD_D17 30
GPIO2_C4/I2C2_SDA/LCD_D18 28
GPIO2_C5/I2C2_SCL/LCD_D19
VDDCORE
LCDC Module
26
20
U1A
MCU_RK2926
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
VCC_TP
B
GND
13
LCD PANEL CONNECTOR
TP_RST
TP_RST
NC
R0402
R115
10K
R0402
TP_RST1
C222
0.1uF
C0402
VCC_TP
QFN64-8X8
A
C4
10UF/6.3V
C0805
GND
C214
0.1uF
C0402
C213
10uF/6.3V
C0805
P38 TEST
1 TEST
P54
1
P55 TEST
1
P56 TEST
1
1
P78 TEST
TP_INT
I2C2_SDA
I2C2_SCL
TP_RST1
深圳市百能达电子有限公司
Title
BCL-RK2926-88V
Size
Document Name
Custom
Date:
4
3
2
2012-12-15
1
Rev
A1.3
维修参考原理图
Sheet
4
of
6
5
4
3
2
1
R146
22R
R0402
LOUT_A
2 47uF/4V
E_B
R139
22R
R0402
ROUT_A
R137
470R
R0402
U1F
MCU_RK2926
CODEC
CODEC_VCM
CODEC_MIC
CODEC_AOL
CODEC_AOR
C154 4.7uF
C0603
136
134
138
CODEC_AVDD
CODEC_AVSS1
CODEC_AVSS2
J11
2SJ2271
C171
0.47uF
C0402
PJ-381N
R157
VCCA_33
NC/100K
R0402
MIC_IN
R197
LOUT
ROUT
C165
0.47uF
C0402
D
1
PHONE_DET
0R
C340
NC/100pF
OPTION
VCCA_33
3
132
133
135
137
R138
470R
R0402
ED28
ED27
D
6
3
2
1
P66 TEST
NC/ESD9B5V
E0402n
EC4 1
2 47uF/4V
E_B
NC/ESD9B5V
E0402n
ROUT
+
EC3 1
+
5
4
LOUT
C155
1uF
C0402
Q31
WNM2016
1
R133
100K
R0402
SPK_CTL
2
C258
0.1uF
C0402
HEADPHONE
C
4
5
2
RK2926-F
J26
SPEAK1
3
S2
1
2
R0402
GND R203 1K
1
ON/OFF
HOLD-7PIN
6
C
R1206
J25
SPEAK1
7
1
2
R286
ROUT
R287
1
2
5.1K C166
R0402
10K
C159
R0402
10K
R0402
1uF
C0402
22nF
C0402
22nF
C0402
3
4
EN
VO2
BYPASS
GND
IN+
VDD
IN-
VO1
C164
100pF
C0402
8
R1206
7
6
C163
100pF
C0402
PA_5V
5
MSOP8
NC/ESD9B5V
E0402n
B
LOUT
U13
TT8642/PT1505
PHONE_DET
C156
NC/ESD9B5V
E0402n
R269
MIC
100K
R0402
47K
R0402
ED33
R170
ED37
R178
SPK_CTL
B
R165 NC
P59 TEST
1
VCCA_33
OPTION
C339
R193
2K2
1uF
PA_5V
1
ED35
C162
1uF
C152
220pF
C0402
R130
47K
R0402
NC/ESD9B5V
E0402N
MIC_IN
2
1
2
VSYS
FB2
MIC3
MIC
MIC_4020
C169
0.1uF
C0402
BLM18PG181SN1
L0603
C167
10uF/6.3V
C0805
C168
10uF/6.3V
C0805
SPEAKER DRIVER
MIC
A
A
深圳市百能达电子有限公司
Title
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
4
3
2
1
VCC_IO
R88
1.5K
R0402
R89
1.5K
R0402
R90
2.2K
R0402
R91
2.2K
R0402
U1I
MCU_RK2926
I2C0_SDA
I2C0_SCL
I2C1_SDA
I2C1_SCL
D
VDD_LOG
35
87
101
115
VCC_IO
VDD_ARM
POWER Module
13
29
69
108
161
126
CVDD1
CVDD2
CVDD3
CVDD4
CVDD5
CVDD6
AVDD1
AVDD2
AVDD3
AVDD4
AVDD5
VCCIO1
VCCIO2
VCCIO3
VDDIO4
VSS
D
86
88
89
90
91
177
U1G
MCU_RK2926
GPIO/UART/PWM
I2C/I2S Module
GPIO0_A0/I2C0_SCL
GPIO0_A1/I2C0_SDA
GPIO0_A2/I2C1_SCL
GPIO0_A3/I2C1_SDA
C
GPIO1_B3/UART1_RTS/SPI_CSN
GPIO1_B2/UART1_RX/SPI_RXD
GPIO1_B1/UART1_TX/SPI_TXD
GPIO1_B0/UART1_CTS/SPI_CLK
GPIO1_A0/I2S_MCLK
GPIO1_A1/I2S_SCLK
GPIO1_A2/I2S_LRCK_RX
GPIO1_A4/I2S_SDO
GPIO1_A5/I2S_SDI
GPIO0_D2/PWM0
GPIO0_D3/PWM1
131
130
129
128
I2C0_SCL
I2C0_SDA
I2C1_SCL
I2C1_SDA
117
118
119
120
LCD_EN
GSENSOR_INT
PMIC_INT
TP_INT
125
124
123
122
121
SPK_CTL
PMIC_SLEEP
PWR_HOLD
PWR_KEY
DC_DET
84
85
LCDC_BL
TP_RST
C
Note:
Place these filter capacitors under CPU.
RK2926-I
VCC_IO
C128
0.1uF
C0402
C129
C131
10uF/6.3V 0.1uF
C0805
C0402
C3
0.1uF
C0402
C132
0.1uF
C0402
C133
0.1uF
C0402
C134
0.1uF
C0402
C135
0.1uF
C0402
B
B
VDD_LOG
C215
10uF/6.3V
C0805
C137
0.1uF
C0402
C136
0.1uF
C0402
C138
0.1uF
C0402
C139
0.1uF
C0402
C140
0.1uF
C0402
C143
0.1uF
C0402
C144
0.1uF
C0402
VDD_ARM
A
A
C211
22uF/6.3V
C1206
C146
1uF
C0402
C141
0.1uF
C0402
深圳市百能达电子有限公司
Title
RK2926-G
RK2928 CORE POWER FILTER
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
4
3
2
VCC_IO
1
VCC_IO
VCC_IO
U4
NAND_FLASH
E
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
VCC_IO
R83
4K7
R0402
FLASH_RDY
FLASH_RDN
FLASH_CS0
FLASH_CS2
U1D
MCU_RK2926
VCC_IO
SDMMC Module
GPIO1_C2/SDMMC_D0
GPIO1_C3/SDMMC_D1
GPIO1_C4/SDMMC_D2
GPIO1_C5/SDMMC_D3
GPIO1_C0/SDMMC_CLKO
GPIO1_B7/SDMMC_CMD
114
113
112
111
116
127
FLASH_CLE
FLASH_ALE
FLASH_WRN
SDMMC_D0
SDMMC_D1
SDMMC_D2
SDMMC_D3
SDMMC_CLK
SDMMC_CMD
VCC_IO
VCC_IO
D
VCC1
VSS1
NC1
R/B1
R/B2
R/B3
R/B4
RE
CE0
CE1
NC2
VCC2
VSS2
CE2
CE3
CLE
ALE
WE
WP
NC3
NC4
NC5
VSS3
VCC3
U5
NC/NAND_FLASH
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
VSS5
NC13
VSSQ4
VCCQ4
I/O7
I/O6
I/O5
I/O4
VSSQ3
VCCQ3
VCCQ5
VCC4
VSS4
DQS
VCCQ2
VSSQ2
I/O3
I/O2
I/O1
I/O0
VCCQ1
VSSQ1
NC6
VSS6
VCC_IO
FLASH_D7
FLASH_D6
FLASH_D5
FLASH_D4
FLASH_RDY
FLASH_RDN
FLASH_CS2
VCC_IO
FLASH_CLE
FLASH_ALE
FLASH_WRN
FLASH_D3
FLASH_D2
FLASH_D1
FLASH_D0
VCC_IO
VCC_IO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
TSOP1_48
VCC1
VSS1
NC1
R/B1
R/B2
R/B3
R/B4
RE
CE0
CE1
NC2
VCC2
VSS2
CE2
CE3
CLE
ALE
WE
WP
NC3
NC4
NC5
VSS3
VCC3
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
VSS5
NC13
VSSQ4
VCCQ4
I/O7
I/O6
I/O5
I/O4
VSSQ3
VCCQ3
VCCQ5
VCC4
VSS4
DQS
VCCQ2
VSSQ2
I/O3
I/O2
I/O1
I/O0
VCCQ1
VSSQ1
NC6
VSS6
E
FLASH_D7
FLASH_D6
FLASH_D5
FLASH_D4
FLASH_D3
FLASH_D2
FLASH_D1
FLASH_D0
D
TSOP1_48
VCC_IO
VCC_IO
Note:
NC or reserve a PAD.
C121
0.1uF
C0402
C122
0.1uF
C0402
C218
NC/0.1uF
C0402
1
2
RK2926-D
FLASH_CLE
OPTION1
IF not use,pls NC all the comment
NAND FLASH
C
C219
NC/0.1uF
C0402
J17
NC
C
TF CARD
U42
NANDFLASH-LGA
VCC_IO
FLASH_ALE
B
U1E
MCU_RK2926
VCC_IO
NAND FLASH Module
GPIO1_D0/FLASH_D0
GPIO1_D1/FLASH_D1
GPIO1_D2/FLASH_D2
GPIO1_D3/FLASH_D3
GPIO1_D4/FLASH_D4
GPIO1_D5/FLASH_D5
GPIO1_D6/FLASH_D6
GPIO1_D7/FLASH_D7
GPIO2_A0/FLASH_ALE
GPIO2_A1/FLASH_CLE
GPIO2_A2/FLASH_WRN
GPIO2_A3/FLASH_RDN
GPIO2_A4/FLASH_RDY
GPIO2_A6/FLASH_CS0
FLASH_CS2
GPIO2_A7/FLASH_DQS
93
94
95
96
97
98
99
100
FLASH_D0
FLASH_D1
FLASH_D2
FLASH_D3
FLASH_D4
FLASH_D5
FLASH_D6
FLASH_D7
102
103
104
105
106
107
92
109
FLASH_ALE
FLASH_CLE
FLASH_WRN
FLASH_RDN
FLASH_RDY
FLASH_CS0
FLASH_CS2
SDMMC_DET
VCC_IO
FLASH_D1
FLASH_D3
FLASH_CLE
FLASH_WRN
FLASH_D0
FLASH_D2
OA0
OB0
OC0
OD0
OE0
OF0
OG0
A1
C1
E1
G1
J1
L1
N1
B2
D2
F2
H2
K2
M2
A3
C3
E3
G3
J3
L3
N3
B4
D4
F4
NC
VssQ
NC
VccQ
NC
VccQ
VssQ
NC
ALE
NC
NC
NC
NC
VccQ
VSS
NC
WPn
DQ1
DQ3
VssQ
CLE
NC
WE
DQ0
DQ2
VssQ
NC
NC
NC
NC
NC
VccQ
NC
VssQ
Vpp
VssQ
VccQ
VccQ
NC
NC
NC
NC
REn
NC
Vcc
DQ5
DQ7
VssQ
NC
Vcc
NC
DQ4
DQ6
NC
R/B
NC
CEn
NC
NC
DQS
OA8
OB8
OC8
OD8
OE8
OF8
OG8
N7
L7
J7
G7
E7
C7
A7
M6
K6
H6
F6
D6
B6
N5
L5
J5
G5
E5
C5
A5
M4
K4
H4
J2
1
2
3
4
5
6
7
8
9
10
11
12
13
SDMMC_D2
SDMMC_D3
SDMMC_CMD
VCC_SD
SDMMC_CLK
VCC_IO
SDMMC_D0
SDMMC_D1
SDMMC_DET
FLASH_RDN
FLASH_D5
FLASH_D7
VCC_IO
DATA2
CD/DATA3
CMD
VDD
CLK
VSS
DATA0
DATA1
CD
G1
G2
G3
G4
C118
4.7uF
C0603
C225
NC/0.1uF
C0402
B
TF_SD_SOCKET
TF-CARD
ED6
ED7
ED8
ED9
ED10
ED11
ED12
R0402
VCC_IO
FLASH_D4
FLASH_D6
FLASH_RDY
NC/ESD9B5V
NC/ESD9B5V
NC/ESD9B5V
NC/ESD9B5V
NC/ESD9B5V
NC/ESD9B5V
NC/ESD9B5V
E0402n
E0402n
E0402n
E0402n
E0402n
E0402n
E0402n
FLASH_CS0
0R
VCC_WL
OPTION
R223
VLGA60-13X18
NC
VCC_SD
VCC_IO
R222
A
OPTION2(LGA NANDFLASH)
IF not use,pls NC all the comment
A
R0402
深圳市百能达电子有限公司
Title
BCL-RK2926-88V
RK2926-E
5
VCC_SD
4
3
2
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
4
3
2
1
U2
DDR3_256M_8BIT
U1H
MCU_RK2926
D
DDR Module
DDR_D0
DDR_D1
DDR_D2
DDR_D3
DDR_D4
DDR_D5
DDR_D6
DDR_D7
DDR_D8
DDR_D9
DDR_D10
DDR_D11
DDR_D12
DDR_D13
DDR_D14
DDR_D15
141
150
140
152
146
148
145
147
9
19
8
21
15
17
14
16
DDR_DM0
DDR_DM1
151
20
143
144
11
12
DDR_DQS0P
DDR_DQS0M
DDR_DQS1P
DDR_DQS1M
DDR_D0
DDR_D1
DDR_D2
DDR_D3
DDR_D4
DDR_D5
DDR_D6
DDR_D7
DDR_D8
DDR_D9
DDR_D10
DDR_D11
DDR_D12
DDR_D13
DDR_D14
DDR_D15
DDR_DQM0
DDR_DQM1
DDR_CLK
DDR_CLKn
DDR_DQS0
DDR_DQS0n
DDR_DQS1
DDR_DQS1n
DDR_CKE
VCC_DDR
C
10
18
142
149
169
DDR_A0
DDR_A1
DDR_A2
DDR_A3
DDR_A4
DDR_A5
DDR_A6
DDR_A7
DDR_A8
DDR_A9
DDR_A10
DDR_A11
DDR_A12
DDR_A13
DDR_A14
DDR_A15
DDR_BA0
DDR_BA1
DDR_BA2
DDR_ODT0
DDR_ODT1
VCC_DDR
VCC_DDR
VCC_DDR
VCC_DDR
VCC_DDR
DDR_RASn
DDR_CASn
DDR_WEn
DDR_CS0
DDR_CS1
DDR_VSS
1
158
2
176
159
3
154
6
153
4
164
157
160
5
155
156
DDR_A0
DDR_A1
DDR_A2
DDR_A3
DDR_A4
DDR_A5
DDR_A6
DDR_A7
DDR_A8
DDR_A9
DDR_A10
DDR_A11
DDR_A12
DDR_A13
DDR_A14
DDR_A15
168
167
DDR_CLK
DDR_CLKN
165
DDR_CKE
163
162
175
DDR_BA0
DDR_BA1
DDR_BA2
166
7
DDR_ODT0
DDR_D0
DDR_D1
DDR_D2
DDR_D3
DDR_D4
DDR_D5
DDR_D6
DDR_D7
B3
C7
C2
C8
E3
E8
D2
E7
DDR_CKE
DDR_CS0N
DDR_ODT0
G9
H2
G1
DDR_RASN
DDR_CASN
DDR_WEN
F3
G3
H3
CKE
CS#
ODT
RAS#
CAS#
WE#
VCC_DDR
B9
C1
E2
E9
E1
J8
VREF_DDR
DDR_RASN
DDR_CASN
DDR_WEN
DDR_CS0N
N2
RESET#
H8
R64
240R%1
R0402
DDR_A15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10/AP
A11
A12/BC#
A13
A14
BA0
VDD
BA1
VDD
BA2
VDD
VDD
CK
VDD
CK#
VDD
VDD DM/TDQS
VDD NC/TDQS#
VDD
DQS
VDDQ
DQS#
VDDQ
VDDQ
VSSQ
VDDQ
VSSQ
VSSQ
VREFDQ VSSQ
VREFCA VSSQ
A2
A9
D7
G2
G8
K1
K9
M1
M9
DDR_RST
170
171
174
173
172
139
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
ZQ
A3
F1
F9
H1
H9
J7
NC
NC
NC
NC
NC
NC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
U3
DDR3_256M_8BIT
K3
L7
L3
K2
L8
L2
M8
M2
N8
M3
H7
M7
K7
N3
N7
DDR_A0
DDR_A1
DDR_A2
DDR_A3
DDR_A4
DDR_A5
DDR_A6
DDR_A7
DDR_A8
DDR_A9
DDR_A10
DDR_A11
DDR_A12
DDR_A13
DDR_A14
J2
K8
J3
DDR_BA0
DDR_BA1
DDR_BA2
F7
G7
DDR_CLK
DDR_CLKN
B7
A7
DDR_DM0
C3
D3
DDR_DQS0P
DDR_DQS0M
DDR_D8
DDR_D9
DDR_D10
DDR_D11
DDR_D12
DDR_D13
DDR_D14
DDR_D15
B3
C7
C2
C8
E3
E8
D2
E7
DDR_CKE
DDR_CS0N
DDR_ODT0
G9
H2
G1
DDR_RASN
DDR_CASN
DDR_WEN
F3
G3
H3
VCC_DDR
A2
A9
D7
G2
G8
K1
K9
M1
M9
B9
C1
E2
E9
B2
B8
C9
D1
D9
VREF_DDR
A1
A8
B1
D8
F2
F8
J1
J9
L1
L9
N1
N9
DDR_RST
E1
J8
N2
H8
R63
240R%1
R0402
DDR_A15
A3
F1
F9
H1
H9
J7
BGA78
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
CKE
CS#
ODT
RAS#
CAS#
WE#
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10/AP
A11
A12/BC#
A13
A14
BA0
VDD
BA1
VDD
BA2
VDD
VDD
CK
VDD
CK#
VDD
VDD DM/TDQS
VDD NC/TDQS#
VDD
DQS
VDDQ
DQS#
VDDQ
VDDQ
VSSQ
VDDQ
VSSQ
VSSQ
VREFDQ VSSQ
VREFCA VSSQ
RESET#
ZQ
NC
NC
NC
NC
NC
NC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
K3
L7
L3
K2
L8
L2
M8
M2
N8
M3
H7
M7
K7
N3
N7
DDR_A0
DDR_A1
DDR_A2
DDR_A3
DDR_A4
DDR_A5
DDR_A6
DDR_A7
DDR_A8
DDR_A9
DDR_A10
DDR_A11
DDR_A12
DDR_A13
DDR_A14
J2
K8
J3
DDR_BA0
DDR_BA1
DDR_BA2
F7
G7
DDR_CLK
DDR_CLKN
B7
A7
DDR_DM1
C3
D3
DDR_DQS1P
DDR_DQS1M
D
B2
B8
C9
D1
D9
C
A1
A8
B1
D8
F2
F8
J1
J9
L1
L9
N1
N9
BGA78
DDR_CLK
RK2926-H
B
DDR_CLKN
R67
NC/100R
R0402
B
CLK端接电阻放置于分叉端。
DDR3
RESET
RESET
RESET
VCC_DDR
C111
R70
VREF_DDR
NC
C0402
1K%1
R0402
R66
100K
R0402
DDR_RST
R71
1K%1
R0402
C108
1nF
C0402
C109
1nF
C0402
C110
1nF
C0402
C273
0.1uF
C0402
VCC_DDR
A
C97
10uF/6.3V
C0805
C82
10uF/6.3V
C0805
C83
1uF
C0402
C84
1uF
C0402
C85
0.1uF
C0402
C86
0.1uF
C0402
C87
0.1uF
C0402
C88
0.1uF
C0402
C89
0.1uF
C0402
C90
0.1uF
C0402
C91
0.1uF
C0402
C92
0.1uF
C0402
C93
0.1uF
C0402
C94
0.1uF
C0402
C95
1uF
C0402
C98
1uF
C0402
C99
0.1uF
C0402
C2
0.1uF
C0402
R68
100K
R0402
C100
1uF
C0402
A
深圳市百能达电子有限公司
Title
DDR FILTER
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
4
3
VSYS
U12
VOTG
VBUS0
IN
D9
R36
C198
1uF
C0402
4
OTG_EN
2.2K
R0402
D
EN
C80
10uF/6.3V
C0805
2
GND
U7
5
3
SET
1N5819
SOD123
IND_4X4
1
OUT
R37 NC
OTG_EN
C221
0.1uF
C0402
R57
6K8
R0402
4
R0402
R33
470K
R0402
VCC_IO
2
VIN
LX
EN
NC
GND
FB
R31
330K
R0402
1
C216
0.1uF
C0402
6
HOST_DP
HOST_DM
HOST_DP
HOST_DM
BAT_DET
ADKEY_IN
RESET
BAT_DET
ADKEY_IN
RESET
D
3
R32
43K
R0402
TCS9608
R0402
C217
10uF/6.3V
C0805
C220
22pF
C0402
SOT26
R43 10K
1
VOTG
TCS9607
SOT25
5
2
L10
4.7uH/1.5A
OTG POWER
Note:
Adjusted the load capacitance
according to the crystal specification.
U1C
MCU_RK2926
C
VBUS0
110
RESET
26
OTG_DM
OTG_DP
OTG_ID
C78 12pF
ED3
ESD9B5V
E0402n
GPIO3_C1/OTG_DRV
Y2
C66
22uF/6.3V
C1206
ED5
ESD9B5V
E0402n
C0402
C
Crystal/USB/ADC
OTG_DP
PLL/RESET
OTG_DN
XIN24M Module
OTG_ID
OTG_VBUS
RESET
ED4
ESD9B5V
E0402n
1
24M
R1
R0603
VCC_IO
2
R164
10K
R0402
OTG_EN
XIN
GND
GND XOUT
24M-20ppm
CRY_D3225
USB1_DP
USB1_DN
4
3
R163
C81
27
22
24
VDD_12
3
R186
OTG_ID
Q14
8050
SOT23 2
USB OTG CONNECTOR
25
56R
R0402
12pF
C0402
23
VCC_IO
1
10K
R0402
C70
0.1uF
C0402
C71
0.1uF
C0402
XOUT24M
C/DPLL_DVDD12
A/GPLL_DVDD12
HOST_DP
HOST_DM
67
68
SARADC_CH0
EFUSE/SARADC_CH1
PLL_VCCIO
57
58
BL_EN
R48
60
59
66
USB_DVDD12
USB_AVDD33
SAR_AVDD33
C96
0.1uF
C0402
OTG_DP
OTG_DM
OTG_ID
OTG_DET
BL_EN
61
USB_RBIAS
XVSS
65
64
63
62
82
44R2%1
R0402
VDD_12
VCC_IO
VCC_IO
BAT_DET
ADKEY_IN
VDD_12
VCC_IO
B
B
C68
1uF
C0402
13
14
TP_CON
CON10
CON12P_0.5_BOTTOM
USBVBUS
GND
OTG_DM
OTG_DP
GND
OTG_ID
GND
ESC
ESC
3V3
3V3
INT
IO
SCL
SDA
GND
NC
NC
NC
NC
GND0
USBVBUS2
6
7
8
9
VBUS0
OTG_DET
10K
R0402
SHIELD1
SHIELD2
SHIELD3
SHIELD4
VSS
DM2
DP2
VSS
IDDET
USB-MINI-SOCKET
USB_MINI_AB
VSS
ESC2
R56
15K
R0402
C79
0.1uF
C0402
USB_DET
VCC_IO
SW7
VOLKEY-TS
CON9
R53
A
R60
OTG_ID
1
2
TP_CON
FPC12
12
11
10
9
8
7
6
5
4
3
2
1
VBUS
DD+
ID
GND
3
4
GND
GND
A
1
2
3
4
5
VBUS0
12
11
10
9
8
7
6
5
4
3
2
1
10K
R0402
深圳市百能达电子有限公司
Title
BCL-RK2926-88V
RK2926-C
5
C69
0.1uF
C0402
J7
GND
3V3
3V3
INT
IO
SCL
SDA
GND
NC
NC
NC
NC
GND0
C73
0.1uF
C0402
4
3
2
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
4
3
2
1
PCB POWER WIRE WIDTH INDICATE
18
0.1uF
C0402
17
D
above 30 miles
SCLSR/EN1
SDASR/EN2
C32
above 80 miles
above 50 miles
11
10
U11
TPS659102
VREF
REFGND
SW3
VFB3
SW1
31
30
VDD_ARM
35
C48
36
10uF/6.3V
C0805
VCC1
VDD1 1500mA
VFB1
D
R38
100R
R0402
C181 NC C0402
32
C34
22uF/6.3V
C1206
VSYS
C53
10uF/6.3V
C0805
C36
4.7uF
C0603
41
VCC2
GND1
GND2
VSYS
13
C38
4.7uF
C0603
R35
C44
4.7uF
C0603
VFB2
VDD2 1500mA
3
44
C182
L3 2.2uH/1A
IND_3X3
VCC3
SW2
VSYS
47
34
43
VCCIO
VSYS
VCC4
SWIO
L4
2.2uH/1A
IND_3X3
14
1uF
C0402
C42
4.7uF
C0603
C40
1uF
C0402
23
VCC5
VFBIO
VIO 1000mA
NC
R0402
NC C0402
C30
22uF/6.3V
C1206
100RR0402
R34
42
VCC_IO
C60
above 12 miles
Under needs
No indicate
L6
2.2uH/1.5A
IND_3X3
VSYS
VDD_LOG
VCC_IO
C35
10uF/6.3V
C0805
16
VCC_IO
VCC6
GNDIO
VDDIO
VSYS
C
28
VCC_IO
VDIG1
7
C39
4.7uF
C0603
C43
2.2uF
C0603
C41
2.2uF
C0603
C49
2.2uF
C0603
C46
2.2uF
C0603
C45
0.1uF
C0402
C37
0.1uF
C0402
C59
1uF
C0402
VDD_12
VBACKUP
VDIG2 300mA
VDIG2
5
VCC28_CIF
C57
C58
12pF C0402
Y1
32.768K
CRY_MC146
12pF C0402
21
VAUX1 300mA
OSC32KOUT
VAUX1
VAUX2 150mA
OSC32KIN
VAUX2
1
I2C0_SDA
I2C0_SCL
PMIC_SLEEP
8
9
37
B
VPLL
24
VDAC
PWRHOLD
VDAC 150mA
SDA
SCL
SLEEP
VPRTC mA
VDAC
22
VCC_RTC
VRRTC
29
VCC_WL
VNMC 300mA
VMMC
2
Note: Please use a 1.5A or above power supply IC.
4
C47
L8
2.2uH/1.5A
U20
SY8009A/TCS4112
VSYS
2.2uF
C0603
2
C55
22uF/6.3V VCC_IO
C1206
R81
51K
R0402
R39
1K
R0402
VCC_RTC
VQFN48
VPLL
VPLL 50mA
GPIO/CKSYN
INT1
CLK32KOUT
NRESPWRON
PWR_EN
4
PWRON
PowerPAD
39
VAUX33
45
38
40
0R
R0402
49
R84
BOOT0
BOOT1
TESTV
CHG_OK
26
19
25
9 CHG_OK
48
VCC_TP
VAUX33 150mA
33
PMIC_PWRON
46
VCCA_33
20
C
VCC18_CIF
VDIG1 300mA
27
15
12
VCC7
1
C63
0.22uF
C0402
VIN
LX
P86
FB/OUT
VCC_DDR
TEST
3
IND_3X3
GND
EN
1
6
R72
150K1%
R0402
C56
100pF
C0402
5
C62
22uF/6.3V
C1206
B
SOT25
R73
100K1%
R0402
RESET
PMIC_INT
PWR_EN
R42
0R
R0402
RESET
R41
NC
R0402
SW2
RESET
SW8
1
2
C61
1nF
C0402 ED39
A
1
2
3
4
3
4
A
NC/ESD9B5V
E0402n
深圳市百能达电子有限公司
Title
SYSTEM POWER
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
NC/0R R0805
VCC_IO
VDC
4
R142
2R
R0402
D
C1
4.7uF/10V
C0805
C206
100pF
C0402
C205
NC
C0402
R134
6K8%1
R0402
R136
100K
R0402
VDC
3
R145
47K
R0402
DC_DET
1
1
R156
10K
R0402
VDD
GND
R135
10K%1
R0402
VSYS
D5
R148
47K
R0402
U9
VOUT
Note:
Please use a 5V DC.
3
Q7
WPM2341
SOT23
3
2
2
SS32
SOD128
3
VBATT
PMIC_PWRON
PWR_KEY
PWR_EN
PWR_HOLD
PWR_HOLD
BAT_DET
BAT_DET
2
Q4
WPM2026
SOT23
R8
C13
22uF/6.3V
C1206
1K
R0402
R6
47K
R0402
VSYS
R173
47K
R0402
R174
10K
R0402
PWR_KEY
PMIC_PWRON
PWR_KEY
PWR_EN
D
D10
DC IN
D3
M2
M4
M3
M5
MARK
MARK
MARK
MARK
PMIC_PWRON
1N4148
SOD123
C
SW9
POWER
SW8
4
3
4
3
2
1
2
1
C
SS32
SOD128
10
Q12
8050
SOT23
ME082/CE8808C33m/
SOT23
VCC_IO
1
1
R144
1
1
2
3
5
P74
TEST
DCIN
2
2
J3
DC-041
3
1
6
7
DC-1520-A
4
VDC
VDC
R184
NC/150K D6
R0402
R183
PWR_HOLD R40
150K
R0402
2
1
1K
R0402
C113
D4
3 BAT54C
SOT23
PWR_EN
R9
10K
VCC_IO
R175
47K
R0402
VBATT
U6
TT8514
NC/1N4148
SOD123
R0402
R176
150K
R0402
9 CHG_OK
10uF/6.3V
C0805
1
2
3
4
CHG_OK
5
VIN1
BATT
VIN2
BATT/TS
STAT1
STAT2
VSS
VSS
PGND
VBUS0
VSS
ISET
10
9
NTC
R149
8
0R
R0402
NC
R0402
R151
C14
10uF/6.3V
C0805
7
6
11
TDFN10-3x3
B
Charging icon displayed if power key is long pressed
when adapter or usb is exist!
B
R152
3K9
R0402
R154
1K5
R0402
3
POWER CONTROL
R155
LCD_EN
Q11
8050
SOT23 2
BATTER
VBATT
J28
1
LCD_EN
10K
R0402
P57
2
1
1
TEST
R27
200K%1
R0402
BACKLIGHT
R1210
C17
1uF
C0402
EMC5040/RT9505:Icharge=830V/Rset, Used R151,No used R149
LP28011:Icharge=300X(2.5/Rset),
Used R149,No used R151
CHARG
BAT_DET
Don't suggest charging current more than 800 mA;
A
A
R28
200K%1
R0402
C16
0.1uF
C0402
深圳市百能达电子有限公司
Title
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
4
3
VCC1
VDD1
VDD_ARM
VCC2
VDD2
VDD_DDR
2
1.2V
MAX 1500mA
ARM Core
1.5V
RK2928 DDR-Ctrl
MAX 1500mA
DDR3-Device
1
Power-Up Timing
D
D
PWRON
SYS
AUDIO CODEC
VCCIO
DC Adapter
5V/1A
VIO
VCC_IO
GSensor
3V
RK2928 IO
MAX 1000mA
VCC30
VDD
NANDFLASH/SD
HDMI ANALOG
DIG1
VCCIO
PMIC
TPS659102
VCC18_CIF
1.8V
CARAME CORE
MAX 300mA
VCC6
DIG2
VDD_12
VSYS
PLL DIGITAL
1.2V
USB DIGITAL
MAX 320mA
VCCIO
VDIG2
VPLL
VDAC18
HDMI DIGITAL
VAUX33
VPLL
C
VCCDR
C
VDD_HDMI
VCC5
VDAC
VAUX1
RESET
VCC28_CIF
VMMC
2.8V
CARAME ANALOG
MAX 150mA
VCC4
VAUX2
VCC_LCD
VDIG1
VAUX2
3.3V
LVDS/LCD IO
MAX 300mA
LED_5V
VAUX33
VCCA_33
PLL IO
3.3V
USB/SAR PHY
MAX 150mA
VCC3
1 cell
battery
3.7v
VMMC
B
VCC7
VAUX1
TOUCH PANEL
VCCIO_WL
3.3V
WIFI MODULE IO
MAX 150mA
B
VRTC
TPS659102
VDD_LOG
BOOST
VCC_5V
1.2V
LOG/GPU Core
MAX 1500mA
USB OTG
5V
USB HOST
MAX 1A
HDMI
A
A
SPEAKER AMP
深圳市百能达电子有限公司
Title
POWER DIAGRAM
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
4
3
2
1
DDR3 *2
256M*8Bit
NAND FLASH
D
D
>=1GB
iNAND
NAND FLASH
DDR
Interface
SDMMC
RBG PANEL
LCDC
RGB666
USB
HOST
USB WIFI
TOUCH PANEL
I2C2
UART1
SPI
I2S
GPIO
HDMI
GPIO
C
RK2926
I2C DEVICE
I2C1
DEBUG
UART2
USB
OTG
I2C0
CIF
C
BOOST
5V
FRONT CAMERA
B
B
DC JACK
RTC
2928
PWR
OSC 24M
RESET SARADC
CODEC
SPEAKER
HPhone OUT
PMIC
24MHz
PWR ON
RESET
1-Cell Li+ ActivePath
Battery Charger
KEY BOARD
MIC
Low Voltage DET
A
A
BATTERY
3.7V
深圳市百能达电子有限公司
Title
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
Version
4
Date
Author
V1.0
20120718
LX
V1.1
20120822
LGL
D
V1.1
20120911
3
HXS
2
1
Change Note
Note
First edictor
1. Change PMU VDIG1 to VCC1.5_CIF and connect it to camera DVDD
2.Correct the reset key and power key,Change D16,D12 footprint to SOD123,And C356 to C0805
3.Add NC/8.2K resister between PWM_LOG and GND
4.Update the part of RK2928L
5.Change the value of R57 to 10K,and R132 to 2.2K
6.Add test point and mark
6.Add R144(NC/0R) between the net of DCIN and VDC
1. Remove
PMIC_GPIO
2. Remove
VIB
D
Circuit
3. Change TP_RST to RC
Circuit
C
C
B
B
A
A
深圳市百能达电子有限公司
Title
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6
5
4
C
2
1
PCB POWER WIRE WIDTH INDICATE
CONTENT INDEXING
D
3
01. INDEX
02. Modify note
03. Block Diagram
04. SYSTEM POWER DIAGRAM
05. DC/CHARG
06. SYSTEM POWER
07. USB OTG
08. DDR3
09. FLASH/TF CARD
10. GPIO/POWER
11. AUDIO
12. HDMI
13. LCD PANEL/TOUCH PANEL
14. CAMERA/G_SENSOR/KEY
15. USB WIFI
above 80 miles
above 50 miles
above 30 miles
No indicate
D
above 16 miles
Under needs
C
B
B
4 LAYERS PCB STACK
Hoz(18um) + plating copper(18um)
TOP
Prepreg
3313*1
4.0MIL(0.10mm)
1oz(35um)
GND
Adjust
1oz(35um)
POWER
Prepreg
BOTTOM
3313*1
4.0MIL(0.10mm)
Hoz(18um) + plating copper(18um)
A
A
深圳市百能达电子有限公司
Title
5
4
3
2
BCL-RK2926-88V
Size
A3
Document Name
Date:
2012-12-15
Rev
A1.3
维修参考原理图
Sheet
1
4
of
6