Schematic MTK8223L PDF
Schematic MTK8223L PDF
Schematic MTK8223L PDF
AV1&YPbPr R&L
YPbPr Input
D D
74HC4052D 24C02
RC4558
Audio switch
Tuner
U1
PAL/SECAM
UA2 R&L input
BG/DK/I MediaTek
C
HFT2-8C/T126CW C
MT8223LFMU
UM2
3D Combfilter 24C32 EEPROM
2D interlace
Digital IF1 out
3.3V
LDO KQ2,QA1
1.25V
U943
2.5V QA8,QA9
A LED Panel A
IR
Speaker
IR Board
2 X 8W
5 4 3 2 1
A B C D E
ADJ/GND
P on/off 4 SW
+
100uF/16v Standby on/off 3 2
4 IN OUT
CEP2 SW
5 LO = > POWER_ON
GND 5 100uF/16V
4 HI = > POWER_OFF +
R12 4
2
GND 6 6 GND +12V 4.7K
CEP11 +
CEP12 CM10
1
QP1 100uF/16V TO-252 NC/110R
GND 7
OPWRSB 1
2N3904 100uF/16V
0.1uF Control Interface
7 R8 OPWRSB
RM22 4,5 OPWRSB
3
+12V 8 8 4.7K R13
0R
+12V 9 9 +
CEP1 BLON/OFF
Dimming 4 BLON/OFF
Dimming 10 10 100uF/16V
4 DIMMING
DIMMING
BLON/OFF SW
BL_on/off 11 11 4 SW
4 OPWRSB OPWRSB
CON9_2.0
ADJ/GND
3V3SB 3 2
IN OUT
ADJ/GND
3 IN OUT 2
+
Standby:27mA CED1 R856 +
CD1 CB9
CED2
1
100 1%
Power on:49mA R15 + NS/100uF/16V TO-252 10uF/10V 0.1uF/16V
CEP5
1
NC/110R
SOT-223 100uF/16V
R857
100 1% NS/100uF/10v/Low ESR
R14
3 0R 1.25 x (1+RD2/RD1) = 2.5V for SDR 3
3 2 +12V
IN OUT +5V 8 8
+12V
5 1 BLON/OFF
4 2
Power on:107mA GND DIMMING
+5V 7 3 3
+
R16 + 7 GND 2 4
CEP10 CE859 GND
+5V 1
1
110R 6 6
NS/100uF/16V SOT-223 100uF/16V CON4_2.0
GND 5 5 CON5_2.0 R229 R221
10K 10K
GND 4 4 +5VSB
T44
R17 +5VSTB 3 3
0R
GND 2 2 +5V
1.25 x (1+ 0/110) = 1.25V SW 1 SW
1
CON9_2.0
2 2
4
8 8 8 3 8 + CE3 C301
7 4 4 7 4 4 7 4 7 4 4 CA59 CEP4
7 7 7 4 7 NS/0.1uF UP6
VSS VSS
VOUTVIN
NC
6 6 5 5 6 6 5 5 6 6 5 5 6 6 5 5 NC/22uF/10V
NS/100uF/16V
C0805/SMD S-1172B11-E6T1G
1
4.7uF/10V
EN
JINGGONG
1
VCCK 1.2V
1
3
HSOP6/SMD/S-1172
340mA
VCCK_INPUT
VCCK
K1
H7 HOLE/GND H2 HOLE/GND
9 9 2 2 9 9 2 2 1 2
8 8 3 3 8 8 3 3 3 4
7 7 4 4 7 7 4 4
6 +
5 5 6 5 5
1 1
6 6 CB6 CE8 CE34 CB5
EMC/NC
NC/0.1uF 4.7uF/10V
1
220uF/16V 0.1uF/16V
1
MediaTek Confidential
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
MediaTek Inc.
Title
TEL:(03)567-0766 FAX:(03)578-7610
System Power
Size Document Number Drawn Rev
C MT8223LM1V1 EVB Max Yang 0.1
DVDD3V3IO
SOG LVDS_PWR_CTRL
AV1V25_MEMPLL
AVDD3V3_ADAC0
AVDD1V25_LVDS
7 SOG 5,10 LVDS_PWR_CTRL
AVDD3V3_LVDS
7 GP GP 10 BL_DIMMING BL_DIMMING
COM
LVDS_CTRL0
OCKN
OCKP
ECKN
VCCK
VCCK
ECKP
AOR1
AOR0
AOL1
AOL0
7 COM
O0N
O1N
O2N
O3N
O0P
O1P
O2P
O3P
E0N
E1N
E2N
E3N
E0P
E1P
E2P
E3P
7 RP RP 10 O0N O0N
5,7 JTMS JTMS 10 O0P O0P
5,7 JTDI JTDI 10 O1N O1N
10 O1P O1P
10 O2N O2N
10 O2P O2P
10 OCKN OCKN
OCKP
U1 10 OCKP
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
102
101
100
CVBS2 O3N
99
98
97
10 O3N
D
Video Input 6
6
CVBS2
CVBS1 CVBS1 10 O3P O3P
D
CVBSN
VCCK
O0P
O1P
O2P
OCKP
O3P
AVDD3V3_LVDS
E0P
E1P
E2P
ECKP
E3P
AVDD1V25_LVDS
VCCK
AVDD1V25_MEMPLL
AOR1
AOL1
AVDD3V3_ADAC0
AOR0
AOL0
DVDD3V3IO
LVDS_CTRL0
O0N
O1N
O2N
OCKN
O3N
E0N
E1N
E2N
ECKN
E3N
6 CVBSN
6 SC SC
SY 10 E0N E0N
6 SY E0P
10 E0P
10 E1N E1N
10 E1P E1P
10 E2N E2N
SDRV LVDS_PWR_CTRL Strap_IN1 E2P
SDRV
1
2
SDRV LVDS_PWR_CTRL 96
BL_ON/OFF
Near IC SCART/YPBPR Interface 10 E2P
ECKN
VCCK 3
SDRV LVDS BL_ON/OFF 95
94 BL_DIMMING
10 ECKN
ECKP
VCCK BL_DIMMING +5V 10 ECKP
SDRV 4 93 U1RX 6 SOY1 SOY1 10 E3N E3N
VCCK SDRV U1RX U1TX Y1P E3P
5 VCCK U1TX 92 6 Y1P 10 E3P
USB_DM 6 91 S_D 6 PB1P PB1P
USB_DP USB_DM S_D1 S_Q PR1P
7 USB_DP S_D0 90 6 PR1P
AVDD3V3_USB 8 89 S_CLK 6 COM1 COM1
AVDD3V3_USB S_CLK RT1
USB_VRT 9 88 S_CE
RX_CB USB_VRT S_CE DVDD3V3IO NS/4.7K VDAC_OUT
RM1
RX_C
10
11
RX_CB
RX_C
DVDD3V3IO
BOOST_PWM
87
86 Boost_PWM Strap_IN2 RT2 10K
7 VDAC_OUT USB Interface
RX_0B 12 85 RF_AGCO RF_AGC 8 USB_DP USB_DP
5.1K 1% RX_0 RX_0B RF_AGCO VCCK USB_DM
13 RX_0 VCCK 84 8 USB_DM
RX_1B 14 83 SDRV
RX_1 15
RX_1B
RX_1
SDRV
SDRV 82 SDRV CT1 Audio
MT8223L
RX_2B 16 81 AVDD3V3_AADC 47nF AIN_R
RX_2B AVDD3V3_AADC 6 AIN_R
RX_2 AIN_R AIN_L
Near IC 17 80 6 AIN_L
HDMI
OSCL0 AVDD3V3_CVBS
3,5,6,7,8,9,10,11 AVDD3V3_USB AVDD3V3_USB
RR14
JTAG Interface
AVDD3V3_VDAC
AVDD1V25_RGB
10K AVSS1V25_RGB 7 AVDD1V25_RGB AVDD1V25_RGB
JTRST#
AVDD10_LDO
VDAC_FS JTMS
OPWRSB
HSYNC
VSYNC
CVBSN
JTCK
CVBS2
CVBS1
3,5,6,7,8,9,10,11 AVDD3V3_AADC AVDD3V3_AADC
COM1
5,9 JTCK
VCCK
VCCK
U0RX
SOY1
PR1P
ZQH ADD-0420
U0TX
PB1P
COM
JTDO
SOG
Y1P
5 JTDO
GP
RP
SC
BP
11 AVDD3V3_DEMOD AVDD3V3_DEMOD
OSDA0
System Reset# 5,11 OSDA0
VDAC_OUT
VDAC_FS
OPWRSB
OIRI
STB3V3
CVBSN
CVBS2
CVBS1
ORESET#
COM1
VCCK
VCCK
U0RX
SOY1
PR1P
AV1V25_MEMPLL
U0TX
PB1P
5 AVDD3V3_VGA_STB 5 ORESET#
COM
AVDD1V25
SOG
OIRI
Y1P
OPWRSB
GP
SC
BP
SY
R55
+ 1K AV1V25_MEMPLL AVDD1V25_PLL AVDD3V3
Near IC 5 OXTALI OXTALI
OXTALO
CE39 AVDD3V3_AADC 3,5,6,7,8,9,10,11 GND 5 OXTALO
5 U0TX U0TX
220uF/16V ORESET# U0RX
2
5 U0RX
Strap_IN0
RM3
1 Q4 +
0R CD5 CD4 CM14 U1TX
R54 220
2N3904
RM4 10uF/16V 0.1uF
C21
10uF/10V 0.1uF CM27
Tuner/Demod 6
6
U1TX
U1RX U1RX
IFN
3
HW Strap Setting
B BYPASS CAP STB Power ADIN0
3,5 Strap_IN0 Strap_IN0
B
VCCK Near IC Pin
3V3SB NEAR IC STB3V3 3,5
3,5
ADIN0
ADIN3 ADIN3 5,10 Strap_IN1 Strap_IN1
SDRV Hosonic-27MHz
3V3SB
AVDD3V3_VGA_STB
R23 0R C17 C18
CM18 CM11 CM12 CM13 CM15 CM16 CM17 22pF 22pF
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF CM?
0.1uF
HI = > WRITE I2C ADDRESS "A0" VSS S_D No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
MediaTek Inc.
Title
TEL:(03)567-0766 FAX:(03)578-7610
CN14
D 3V3SB H:Green LED D
+5VSB 1 R40
GND 1
1K L:Red LED
3V3SB R1 0R
KEYPAD2
KEYPAD2 2 2 R469 100R
LED-R
R223
+
CE11 GND 3 10K
2
R470 R410 3
2
10K 47uF/16V R414 R182 0R R228 4.7K
0R 4 KEYPAD1 JTMS 1 Q52
CN13 4K7 KEYPAD1 4
2N3904 D143
5 LED-R
LED_R
3
LED 4 LED1 LED-R 5 OPWRSB = > RED
1
GND 3 6 5VS
5VS 5VSB 6
+5VSTB 2 D188 1N4148 R161 100R
IR
1 REMOTE_5V IR-IN OIRI
P on/off 7 7
R475 1K
SW LED & IR NS/DIODE EGA-0603
CON4_2.0
C87 IR 8 8 REMOTE_5V
D20
100pF
IR Control
FU-GST-01
NS/DIODE EGA-0603 CON8_2.0
C C
JTAG Interface
Option 3Pin 2.54mm Key connector 3V3SB 4,9 JTRST# JTRST#
4,7 JTDI JTDI
4,7 JTMS JTMS
4,9 JTCK JTCK
4 JTDO JTDO
R151 R150
4K7 4K7
CN12 ADIN0
R460 0R 3,5 ADIN0
KEYPAD2 3 KEYPAD2 ADIN3
3,5 ADIN3 ADIN3
GND 2
KEYPAD1 ADIN0
1
KEYPAD1
2
R461 0R
4,11 REMOTE_5V REMOTE_5V
CON3_2.54
D140 D141 C231 C232
0.1uF 0.1uF
B B
NS/DIODE EGA-0603
1
NS/DIODE EGA-0603
Flash/XTAL/JTAG/UART
Size Document Number Drawn Rev
B MT8223LM1V1 EVB Max Yang 0.1
1
8 R99 470K 3,4,5,7,8,9,10,11 AVDD3V3 AVDD3V3
CV2
R58 47pF 47nF R100 470K R106
4 R45
4 DA11 C89 1uF CVBSN 1K
75R 3,4,5,7,8,9,10,11 GND
5 AV1R_IN 0R R101 470K
5
2
R102 470K
D
1 R107 +
1 NS/DIODE EGA-0603 R103 470K CEA5 D
1K
AV1L_IN
2
2
R104 470K
47uF/16V
Audio 7 VGA_L_In VGA_L_In
7 VGA_R_In VGA_R_In
R105 470K AIN_R
4 AIN_R
4 AIN_L AIN_L
AV1/YPBPR Audio Input UA1 74HC4052D
R59 10K AV1_R_In 12
ZQH-LEDPANEL-0412 AV1R_IN C91 2.2uF AV1_R_In X0 CEA6 10uF/10V
AV2_R_In 14 13 AIN_R
IDTV_R X1 Xout
15
+
X2 CEA7 10uF/10V
AV1L_IN
R61 10K
C90 2.2uF AV1_L_In
VGA_R_In 11 X3 Yout 3 AIN_L
Video Input 6 CVBS2 CVBS2
+
1
VDD Y1P
2
4 Y1P
PB1P
NC/470K R96
R111 4.7K
R97
R94
U1RX 4 PB1P
R90
R91
R93
R95
8 Q50
R92
1
VEE
NS/DIODE EGA-0603 + VSS COM1
4 COM1
EN
NS/DIODE EGA-0603 CA2 2N3904 PR1P
0.1uF 4 PR1P
NC/470K
3
NC/470K
NC/470K
NC/470K
NC/470K
NC/470K
NC/470K
2
CA98 R110 4.7K
10uF/16V Q47 1 U1TX
2N3904 Audio Control
OSCL0
3
4 OSCL0
AVDD_MUX +5V OSDA0
4 OSDA0
4 U1TX U1TX
4 U1RX U1RX
C C
0 ohm R80 100R
1 JTDO
1
DV37 R84
CV10
47pF
Audio Source U1TX U1RX 4,9 JTDO
NS/DIODE EGA-0603
PB_IN_1 56R
B 5 RV15 0
Y0_IN_GND COM_1 CV11 10nF COM1
AV1/S-V H H
2
4 4 R81 100R
8 PR_IN_1
R
LV2 AV2 L H
7 R87 18R CV12 10nF
7 PB1 PB1P
1
ZQH-LEDPANEL-0412
0 ohm
CV15
R82 100R
IDTV H L
R85 47pF
DV38
56R
NS/DIODE EGA-0603
PBR0_IN_GND VGA L L
22
DV6
YPbPr Video Input
R86 CV14
NS/DIODE EGA-0603 56R 47pF
LV3 R88 18R CV17 10nF
R89 100R
PR1 PR1P
1
0 ohm
1
4
R R73 C93 1 IDTV_SCL
DU3 1
75R 47pF R69 R46
PJ-313B 2 IDTV_SDA DA14 DA13
NS/DIODE EGA-0603 2 10K 10K
2
3 3
2
4 SV2_AUR_IN
4
NS/DIODE EGA-0603
5 SV2_AUL_IN
AV2 Audio Input 5 NS/DIODE EGA-0603
6 6 NEAR IC
AV2R_IN
R65 10K C97 2.2uF AV2_R_In
NEARLY CONNECTOR R79 100R
SY2_IN R112 0R SY_IN CV6 47nF SY
7 7
R66 10K C96 2.2uF 8
AV2L_IN AV2_L_In 8
1
NS/DIODE EGA-0603
NS/DIODE EGA-0603
Option 3Ping IDTV SCL&SDA
DVDD3V3
NS/2N7002
CON3_2.54 OSCL0 IDTV_SCL
A 3 2 A
5
USB_DM 2 3 P6
R244 22R 2 3:D- JTCK
1
1
+5V 4:VCC
L62 1206/121
1
RT268 100R
1
+
6
16
P3 3,4,5,6,8,9,10,11 AVDD3V3_VDAC AVDD3V3_VDAC
1 +5V
LV4 1.8uH Near Connector 22R 3
VDAC_OUT R206 6 RED_GND 3,4,5,6,8,9,10,11 GND
2
1
VGA_U0TX 11 1 RED CV60
7 GRN_GND 0.1uF
VGASDA GREEN BTA54 RV59
R115 CV18 CV19 CV20 12 2 RV58 RV60
NS/47pF 330pF NS/47pF DV8 8 BLU_GND 4.7K
4.7K 4.7K
75 HSYNC# 13 3 BLUE
9 U8
2
VSYNC# 14 4 VGA_U0RX
10 R205 22R 1 8 RR18 10K
VGASCL NC VCC
NS/DIODE EGA-0603 15 5 2 7
NC WP
1
3 6
Audio
1
CON\AMP\748390 NC SCL
D-SUB15 FEMALE 4 GND SDA 5
D73 RV36 100R
D72 VGASCL VGA_L_In
17
P9 24C02 6 VGA_L_In
VGA_R_In
Near Connector 2 SOP8/SMD RV33 100R
6 VGA_R_In
LO_L
R116 100R 9 LO_L
2
VGASDA
2
LO_L Monitor_AL_OUT Gnd 1 GND 9 LO_R LO_R
3 L 1
1
NS/DIODE EGA-0603
2
Monitor_V_OUT 6 L 6
5 V 5 NS/DIODE EGA-0603
CA44 R1905
1 QA3 Monitor_AR_OUT 4 R 4
4.7nF
100R PBSS4320T
DA5
NEARLY CONN.
PJ-313B 5 R450 10K
2
R VGAL_IN C98
1 2.2uF VGA_L_In
VIDEO OUT Interface
3
WR 2
ZQH-MUTE-0409 NS/DIODE EGA-0603
P4 WL
L
4
VGAR_IN
R449 10K
C99 2.2uF VGA_R_In
R117 100R 3
LO_R AGND U0TX
4 U0TX
1 U0RX
2
4 U0RX
R452 R451
1
1
R1906 QA4 DA6 10K 10K
CA46
4.7nF
100R
1
PBSS4320T NS/DIODE EGA-0603
VGA Audio Input D70 D71
For VGA Update 4 VDAC_OUT VDAC_OUT
2
U0TX VGA_U0TX
2
2
Shut_AL_AVOUT U0RX VGA_U0RX
VGA Input 4 VSYNC VSYNC
4 HSYNC HSYNC
4 BP BP
4 SOG SOG
4 GP GP
1
C12 DV15 R136
DV70 CV22
NS/5pF 75R 47pF
NS/DIODE EGA-0603 NS/DIODE EGA-0603
2
2
BLU_GND
LV6
HSYNC# HSYNC C101
R135 1.5nF SOG
1
0 ohm
0R
DV69 C13
NS/5pF C102
NS/DIODE EGA-0603 R132
GREEN R123 0R 10nF GP
2
A A
100R
1
R137
CV27
DV62 75R
47pF
NS/DIODE EGA-0603
RV46 R133 C103
2
GRN_GND 10nF COM
0 100R
VGA Power
AVDD1V25 NEAR IC NEAR IC RED R130 0R R134 C104
10nF RP
AVDD1V25_RGB AVDD3V3 AVDD3V3_VDAC 100R
1
RM29 DV64 R138
NS/DIODE EGA-0603 75R CV30
0 47pF
CM28 CM29
0.1uF
2
0.1uF RED_GND
C0402/SMD C0402/SMD
2 1
M-HDMI-156BBCBEAAN-HX
NEAR IC
NC/RB520S-30
RX_2 1
AVDD3V3
NEAR IC AVDD1V25
R149 2 AVDD3V3_HDMI AVDD1V25_HDMI
NC/27K RX_2B 3
RX_1 4 R139 0R R140 1R
+5V HDMI_CEC 5
HDMI_PLUGPWR D77 HDMI_PLUGPWR RX_1B
1
6 CM30
NC/BAT54C RX_0 7 0.1uF CM31
8 8200pF
1
Near Connector
DH2 RX_0B 9 P5 C0402/SMD
C0402/SMD
RX_C 10
HDMI_PLUGPWR 3 NS/DIODE EGA-0603 AVDD3V3_USB
R141 R142 11
2
20
21
1K
R153
4.7K HDMI_CAB
Internal EDID,Sink_HPD_True of DH4 DH7
MediaTek Confidential
2
R145 1K
2
CDF File Select "Power On" HDMI_HPD 1 QH3 NS/DIODE EGA-0603 No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
2N3904 R144
100K DH10 DH9
NS/DIODE EGA-0603
NS/DIODE EGA-0603
MediaTek Inc. TEL:(03)567-0766 FAX:(03)578-7610
3
Title
NS/DIODE EGA-0603
SCART/VGA
Size Document Number Drawn Rev
Custom MT8223LM1V1 EVB Max Yang 0.1
Audio D/A Circuit AUV120 D/A for Audio output Circuit Near IC Audio Mute Control
AVDD3V3 AVDD3V3_ADAC0
4,5 JTCK JTCK
RA45 9.1K JTRST#
4,5 JTRST#
RM34 47
AVDD3V3_ADAC0
C210 100pF
RA46 RA47
CA12 + CM33
100K 6.8K CEM5
0.1uF
Near IC(U1) Shielding with GND 0.1uF
3
47uF/10v
1 QA5
4
2N3906 WR12 33R RA48 5K_1% RA49 3,5,7 +5VSB +5VSB
10uF/10v
2
AOL0 CEA13 2 - CEA14 3,10,11 +12V +12V
RA50 33R RA51 8.25K
2
AOR1 LO_L
+
1 KQ2 15K 1 3,4,6,8,10,11 +5V +5V
2N3904 3 + 4 AVDD3V3_ADAC0 AVDD3V3_ADAC0
KR9 CEA15 22uF/10V 10uF/10v
CA7 1uF 8.25K RA54 0
3
RA52 DAC1_AOUTR WR11 UA2A
+
WC9 RA56 3,4,5,7,8,10 3V3SB 3V3SB
8
D D
220K 0.1uF NS/100K WC4 47K 3,4,5,6,7,8,10,11 DVDD3V3 DVDD3V3
RA53 470
KC15 CA10 CA11 1nF NJM4558 OPA
0.1uF 680pF 220pF 3,4,5,6,7,8,10,11 AVDD3V3 AVDD3V3
OPAV120_M
CA9 1uF 3,4,5,6,7,8,10,11 GND
RA58
RR17 RA57 CA13
47K FB
330K 1.24K 10nF FBA1
OPA2VREF
AOR1
RA59 9.1K
Audio 4
4
AOR1
AOL1 AOL1
4 AOR0 AOR0
+12V AUV120 AOL0
4 AOL0
FB KL10 CA14 7 LO_L LO_L
100pF LO_R
7 LO_R
4
CEA16 10uF/10v WR17 33R WR15 WR16 CEA17 LVDS_CTRL0
AOR0 6 - 4,11 LVDS_CTRL0
LO_R
+
5K_1% 15K 7
CA21 5 +
0.1uF RA60 10uF/10v
RA62 UA2B RA65
8
100K 6.8K WR18
WC13 WC8 47K
NS/100K
3
0.1uF 1nF NJM4558 OPA
1 QA8
2 2N3906
OPAV120_M
RA66 33R KR22 8.25K RA67 8.25K
2
AOL1 1 QA9
2N3904
CA17 1uF KC9 22uF/10V ZQH ADD-0425
RA69 470 KR21 0 FB FBA2
3
DAC1_AOUTL
+
CA19 RA68 OPA2VREF
KC16 680pF CA20 OPAV120_M OPA2VREF
220K +12V
0.1uF 220pF
CA18 1uF FB FBA3 RA75 47K
OPA2VREF
RA74 10
KR24 KR25 + +
RA71 CEA19 RA76 CEA20
1.24K 47K CA22 CA23
330K 10nF 220uF/16V 47K
10uF/16V 1uF
C C
1
PWR_AMP
D350
AVOUT_MUTE_CONTROL:
R249
+
CE642
+
CE644 CB1024
CB1022
C441
+
C418 C419
DL4148
10K H: MUTE
0.1uF/50V Power OFF Mute
2
470uF/25V 100uF/16v 0.1uF/50V 47uF/16V 1uF 1uF
R294 0R
L: ON
3V3SB CB222 0.1uF/50V EC5_2.5
+ Option
3
+5VSB 3V3SB CE860 MUTE_CONTROL
100uF/16v Q28 1
R493 2N3906
33K 37 3V3SB
2
PGNDA R1902
R1900
NC/4.7uF/10V 19 VDDPW PGND 18 560R
4.7K
LVDS_CTRL0 I/O Pin
CE13 R126
20 STBY U943 OUTPA 17 L65 33uH Shut_AL_AVOUT R254
10K NC/0R
H: ON
Option
+
D213
MUTE# 21 16 L: MUTE
2
IND_CHIP_SMD
MUTE TDA7491P OUTPA R257 4.7K
2
Q24 R1899 2 MUTE
DAC1_AOUTR C438 0.47uF 22 15 C401 1 Q23
INPA PGNDA 2N3904 1 3
C917 4 2N3904 1 AVOUT_MUTE_CONTROL
0.1uF/50V 1K
2
C370 1uF C380 3
3
23 14
C1003 INNA PGNDA 330pF/50V C1002 C0603/SMD J24 R125 1K
3
CB223 2 R251 4.7K LVDS_CTRL0
1nF_50V 470nF/50V C373 BAV70 Q46 1
24 13 0.1uF/50V NC220nF/50V 1 2.2nF
ROSC PVCCA R323 C0603/SMD C638 2N3904 From MT8223L 97Pin
R341 C402 0.47uF R124
3
25 12 22R 0.1uF/50V 2.54mm
22R SYNCLCK PVCCA 10K
L80 33uH C0603/SMD
R327 VDDS 26 11
CB225 VDDS OUTNA
B
0.1uF/50V_X7R
39K TDA7491P IND_CHIP_SMD
PWRAMP
R+ 4 B
27 SGND OUTNA 10 L82 STPB3216-121PT 3
R328 47K
PWR_AMP L- 2 CN17
CB226 28 9 BEAD/SMD/1206 L+ 1
DIAG OUTNB
0.1uF/50V 29 8 2.0mm
SVR OUTNB
R342 NC 100R CE12 1uF L77 33uH
VDDS 30 7 IND_CHIP_SMD
31
GAIN0 PVCCB
6
R325 C386 8 Ohm 8W X 2
GAIN1 PVCCB CB224 22R 0.1uF/50V
R344 NC 100R C385
DAC1_AOUTL C439 0.47uF C1001 C0603/SMD
32 INPB PGNDB 5 0.1uF/50V 470nF/50V
+5V +12V
Mute
3
R1873
FB65 1 Q1808
FB72
FB 1k 2N3906
NC/FB D208 1
MUTE
2
1N4148 3
OFF_MUTE 2
3V3SB R2009
High : Un-Mute R1875 High : Mute
R753 100K D211
Low : Mute R1874 100K Low : Un-Mute
33K 100K BAV70
R492 10K
MUTE#
R1694
10K Power on/off control D212
L Mute R755
2
R277 1K
3
MediaTek Confidential
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
MediaTek Inc.
Title
TEL:(03)567-0766 FAX:(03)578-7610
Speaker/HP/Line out/Mute
Size Document Number Drawn Rev
Max Yang
0.1
D MT8223LM1V1 EVB
Date: Friday, April 30, 2010 Sheet 9 of 11
5 4 3 2 1
A B C D E
G
1K OCKN 16 15 OCKP
NC/4.7K U6 O3N 18 17 O3P
1
2
20 19 LVDSVDD BL_ON/OFF
R246 10K NC/AP2305/AO3401 LVDSVDD E0N E0P 4 BL_ON/OFF
LVDS_PWR_CTRL 1 Q70 22 21 LVDS_PWR_CTRL
E1N E1P 4,5 LVDS_PWR_CTRL
2N3904 24 23 BL_DIMMING
GND GND 4 BL_DIMMING
26 25
RM24
3
E2N 28 27 E2P R647
4.7K C208 ECKN ECKP
LVDS VCC select R641
GND
30 29
GND
NC/4K7
0.1uF/16V 32 31
J18 4.7K/NS E3N 34 33 E3P O0N
4 O0N
3V3_P 36 35 O0P
4 SEL 4 O0P
+5V 38 37 O1N
3 4 O1N
HI = > LVDS POWER ON Vpanel TP42 40 39 TP41 O1P
2 4 O1P
1 +12V 4 O2N O2N
LO = > LVDS POWER OFF R646 4 O2P O2P
R640 OCKN
2.54mm 20x2 0R 4 OCKN
4.7K OCKP
4 OCKP
M-2P40-2.00X2.00-180-HX 4 O3N O3N
4 O3P O3P
4 E0N E0N
4 E0P E0P
4 E1N E1N
4 E1P E1P
4 E2N E2N
4 E2P E2P
Back light on/off Control +5V 4
4
ECKN
ECKP
ECKN
ECKP
CMO 18.5&21.6 4 E3N E3N
4 E3P E3P
R169
3
NC/10K
CN10 3
FFC 090914 wsy
31
3V3SB +5V
2
LVDSVDD 1
R76 NC/4.7K
Q44 LVDSVDD 2 BLON/OFF
1 LVDSVDD 4 BLON/OFF
LVDSVDD 3 DIMMING
NC/2N3904 LVDSVDD 4 DIMMING
R279 0R 4
R62 R47
3
5
10K 1K 6
R280 NC/0R
R309 7
BLON/OFF NC27K 8
R311 NC/0
9
2
LVDS_SL_F 10
R42 4.7K
BL_ON/OFF 1 Q49 11
+
R77 0R 2N3904 CE10 12
R319 O3P 13
INITAL PULL UP
3
47uF/16V O3N
NC10K 14
15
OCKP 16
OCKN
BACK LIGHT 17
18
O2P 19
O2N 20
21
O1P 22
O1N23
24
O0P 25
O0N 26
27
28
Dimming Control 29
30
+5V 3V3_P
32
2 2
R171 R168
0R NC/0
R167
1K
R165 1K
DIMMING
2
CM34 CM35
0.1uF/16V_X7R 0.1uF/16V_X7R
R473 NC/0
1 1
MediaTek Confidential
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
MediaTek Inc.
Title
TEL:(03)567-0766 FAX:(03)578-7610
LVDS/Back Light
Size Document Number Drawn Rev
C MT8223LM1V1 EVB Max Yang 0.1
POWER
Tuner 3,4,6,8,9,10
3,9,10
+5V
+12V
3,4,5,6,7,8,9,10 DVDD3V3
+5V
+12V
DVDD3V3
3,4,5,6,7,8,9,10 AVDD3V3 AVDD3V3
3,4,5,6,7,8,9,10 AVDD3V3 AVDD3V3
T1 3,4,7,8,10 AVDD1V25 AVDD1V25
4 AVDD3V3_DEMOD AVDD3V3_DEMOD
4 AVDD1V25_DEMOD AVDD1V25_DEMOD
D 3,4,5,6,7,8,9,10 GND D
--- 1
Near to tuner
RT3 10K
2 RF_AGC_T RF_AGC_T RF_AGC
RF_AGC
3 BT_30V
VT(+33V)
16 RT4 0R CT2
G
AS 4 AS 47nF Tuner/Demod
15 G SDA 5 TUNER_DATA2 +5V_Tuner
14 6 TUNER_CLK2 IFN
G SCL 4 IFN
FBT1
7 +5V_VCC +5V_VCC IFP
+5V 4 IFP
13 G 120 OHM@100MHZ,1A
8 + RF_AGC
BT.(TEST) CT4 CT5 CET1 4 RF_AGC
9 DIF2_OUT2 0.1uF 10uF/10V 330uF/16V
IF_2 Boost_PWM
4,5 Boost_PWM OSDA0
10 DIF2_OUT1 4,5 OSDA0
IF_1 4,5 OSCL0 OSCL0
--- 11
--- 12
HFT2-8C/T126CW
DEMOD POWER
RT49 LT19
C CT28 C
68R 100nH RM38 0
220pF RM37 0
RT9 LT21 0R
RT8 0 33R RT51 33R CT29 10nF LT22 0R CM37
DIF2_OUT2 IFP CM36
RT53 51R 0.1uF 0.1uF
RT10
NS
CT7 CT9
IFBPF
56pF 56pF
+5V_Tuner
GND
+ +
1
2
47uF/16V 0.1uF 100uF/10V 1uF 0.1uF
TUNER_DATA2 TUNER_DATA 2 3 OSDA0
B RT130 200 B
QT4 2N7002
CT12 CT13
100pF 100pF
RT46 NC/0
2
LT122 NS/0 DT1 1N4148
1
Boost_PWM 1 QT5
LT7 NS/0 2N3904 CT537 DT20 +
RT45 1.5K CT41 CT42 CET5
RM26 330pF
3
LT8 NS/0 UDZS33 1uF 330pF 22uF/50V
2
4.7K
1
A A
MediaTek Confidential
MediaTek Inc.
Title
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
TEL:(03)567-0766 FAX:(03)578-7610
Tuner
Size Document Number Drawn Rev
Custom MT8223LM1V1 EVB Max Yang 0.1