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5 4 3 2 1
ZZZ
PCB DAZ@
DA8000YX000
PCB 125 LA-A792P REV0 M/B 3
D D
S1
FRAME
EC0MV000200
@
Compal Confidential
S2
FRAME
EC0MV000200
for GLONASS
@
C C
Schematics Document
ZEJ20
LA-A792
B B
2013-08-01
REV:0.2
A A
Security Classification Compal Secret Data Compal Electronics, Inc.
2012/11/09 2014/11/09 Title
Issued Date Deciphered Date Cover Page
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
Size Document Number Rev
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS Custom
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC. ZEJ20 - LA-A792P 0.2
Date: Sheet 1 of 28
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5 4 3 2 1
ZEJ20 (ZARA 3G) block diagram
Max. support VRAM size : 2GB.
D D
DDR3L 1GB (4Gb X16 *2 Pcs)
P6
switching
External Memory Interface Battery
Charger P22 P22
LCM
CONN. I2C
P7 MT8193 RGB
HDMI P7
Battery Input
P7
LDO Output
BUCK Output
Capacitive I2C,
Touch Sensor IC EINT
Touch Panel S7300 USB 2.0
micro USB, OTG VIBR_PMU
CONN. P11 P17 Vibrator
MT6320
P16
PMIC Optional
C AUDIO C
MIPI,I2C
5M Camera LDO OUTPUT
BUCK OUTPUT Speaker P16
P10
CHARGER
MT8389W/MT8125 I2S, SPI, EINT, I2C
YUV,I2C MIC P16
0.3M Camera combo JACK
P10
Cortex-A7 P23~P25
LSA401P
(Audio/B)
Gyro Sensor
MPU-6050 I2C, EINT 1.2GHz Quad-Core
P12
SIM Card
P Sensor P18
IQS1280000
P12
GPIO
Audio board combo JACK 3G SKU
P Sensor conn. GPIO
P8 P Sensor
IQS1280000
P12
B JTAG BSI MT6167 B
UART1
UART2 26MHz
3G GSM
Debug Port UART4
P11 P19,P20
Sidekey (volume up/down) KCOL & KROW
P15 PCM, UART3, EINT NH520T/NH520*
WIFI/BT
P4,P5 MSDC3
WIFI
BT4.0
GPS* GPS
MSDC0 MSDC1
P9
eMMC micro SD Russian Sku
8G/16G P17
P13 UART1, EINT MT3332 GPS
GLONASS
A A
P21
Security Classification Compal Secret Data Compal Electronics, Inc.
2012/11/03 2013/11/03 Title
Issued Date Deciphered Date Block Diagram
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
Size Document Number Rev
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
C
ZEJ20 - LA-A792P 0.2
Date: Friday, August 02, 2013 Sheet 2 of 28
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5 4 3 2 1
D D
Voltage Rails
MT6320 Power Plane Function Power Level IDLE Sleep mode I2C address
VCORE_PMU VCORE switching output 0.75 ~ 1.3 ON Low voltage
Address(8bit)
VPROC_PMU VPROC switching output 0.75 ~ 1.3 ON Low voltage Device Address(7 bit)
Write Read
VTCXO_1_PMU LDO output for TCXO 2.8V ON OFF
VCAMA_PMU LDO output for camaera analog 2.8V ON Gating by SW
Gyro+G (MPU-6050) 0x68 0xD0 0xD1
VSRAM_PMU LDO output used for 1.2V SRAM 1.2V ON Low voltage
Touch screen (S7300B) 0x20 0x40 0x41
VDD28_6583 LDO output used for 2.8V IO 2.8V ON Gating by SW
Camera 0.3M 0x21 0x42 0x43
VGP2_PMU LDO output for camaera 1.8V 1.8V ON Gating by SW
Camera 5M 0x36 0x6C 0x6D
VEMC_3V3_PMU LDO output for eMMC&P-sensor 3.3V ON Gating by SW
Charge (BQ24196 ) 0x6B 0xD6 0xD7
C VMCH_PMU LDO output for SD card 3.3V ON Gating by SW
PMU(MT6320) C
VGP5_PMU LDO output for Touch panel 2.8V ON Gating by SW
Battery 0x55 0xAA 0xAB
DDR3VCCIO LDO output for DDR3L 1.35V ON Gating by SW
VDD33_6583 LCD & Bridge power 3.3V ON Gating by SW
VDD18_6583 LDO output used for 1.8V IO 1.8V ON Gating by SW
VRF18_PMU LDO output for RF_MT6167 1.8V ON Gating by SW
Main board ID BOM structure
MB_ID0 MB_ID1 Name Function
B B
0 X NH520 3G@ 3G only
0 X NH520 WIFI_ONLY@ WIFI ONLY
1 X Glonass +NH520T DAZ@ PCB
1 X Glonass +NH520T EMC@ for EMC request
NH520@ AW-NH520
NH520_EMC@ GPS EMC
GLONASS@ MT3332
A A
Security Classification Compal Secret Data Compal Electronics, Inc.
2012/11/03 2013/11/03 Title
Issued Date Deciphered Date Notes List
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
Size Document Number Rev
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
Custom
ZEJ20 - LA-A792P 0.2
Date: Friday, August 02, 2013 Sheet 3 of 28
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+DVDD_DVFS
U201F
+DVDD_GPU
R1632 0_0402_5% R1627 +VDD18_6583 +VPROC_PMU +VCORE_PMU +VM_PMU +DDR3VCCIO
+DVDD
1 2 AG17 T3 1 2
+VDD18_6583 DVDD18_MD DVDD18_MIPITX +VDD18_6583
T2 0_0402_5%
1 2 AH14 DVSS18_MIPITX
+VA_PMU AVDD18_MD 1 1 1
R1633 1 1 1 AD16 L7 C1637 C1638 C1639
0_0402_5% C1607 C1608 C1609 AE17 AVSS18_MD DVDD18_MIPIRX M6 1 RF@ 1 RF@ 1 RF@ 1 RF@ 1 RF@ 1 RF@ 1 RF@ 1 RF@ 1 RF@
0.1U_0402_10V7K
0.1U_0402_10V7K
0.1U_0402_10V7K
AVSS18_MD DVSS18_MIPIRX C1677 C1679 C1681 C4271 C4272 C4273 C4274 C4275 C4276
0.1U_0402_10V7K
0.1U_0402_10V7K
0.1U_0402_10V7K
D
AJ12 H1 2 2 2 D
2 2 2 AVDD18_AP DVDD18_MIPIIO
68P_0402_50V8J
68P_0402_50V8J
68P_0402_50V8J
68P_0402_50V8J
68P_0402_50V8J
68P_0402_50V8J
68P_0402_50V8J
68P_0402_50V8J
68P_0402_50V8J
68P_0402_50V8J
68P_0402_50V8J
AD12 K6
AE13 AVSS18_AP DVSS18_MIPIIO 2 2 2 2 2 2 2 2 2
R1635 AVSS18_AP
1
0_0402_5% 2 AH19 AB28 1 R1628 2 +VUSB_PMU
+VTCXO_1_PMU AVDD28_DAC AVDD33_USB_P0 AD27 0_0402_5%
1 R1636 2 AJ11 AVDD18_USB_P0 AB26 1 2
R1652 0_0402_5%
+VDD18_6583 DVDD18_PLLGP AVSS33_USB_P0 +VUSB_PMU
0_0402_5% 1 2 +VSIM1_PMU
AF29 R1653 0_0402_5% @ V0.2 RF Add
1 R1637 2 M16 AVDD33_USB_P1 AC26 1 2
+VDD18_6583 AVDD18_MEMPLL AVDD18_USB_P1 +VDD18_6583
0_0402_5% 1 1 1 M15 AE28 2 2 1 R1629 0_0402_5%
C1610 C1618 C1621 AVSS18_MEMPLL AVSS33_USB_P1 C1640 C1641 C1673
1U_0402_6.3V6K
1U_0402_6.3V6K
0.1U_0402_10V7K
0.1U_0402_10V7K
0.1U_0402_10V7K
0.1U_0402_10V7K
2 2 2 MT8389WK-A-1P2G_FCCSP515 1 1 2
8125 footprint
1.8V IO for DDR
1.2V IO for DDR2
+DDR3VCCIO 1.5V IO for DDR3