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"""1999"




OK
OK OK

OK OK

//
Mboot OK OK
Main OK OK
MAC OK OK
OK
OK //
OK //



PQ


MAC
UUID
49HUF6932-T3


:
1). "MstarUpgrade.bin", FAT32 U
2). U USB
, Menu "1999"
"Main ",




"Confirm"









2 VOL+ , , 5
1
5.4.1
. U U
. U U
5 4 3 2 1




MSD6A638--T8F1 VER:A1.0 2016-4-20
PAGE Content

1 Index&History Rev
D D
2 Block Diagram
3 CE & PFC Boost
4 LED Driver & Standby
5 System Power
6 MSD6A638
7 MSD6A638 POWER
8 LVDS &V by one page
9 Video&VGA&USB&Amplify page
C C
10 HDMI&Ethernet page
11 Tuner &eMCC flash page




B B



History Rev
DATE Rev Description Author

4/20/2015 Ver:A1.0 First Version Release ZHQING




A A
KTC ISO9001.ISO14001

This document for ShenZhen KTC Technology CO., Ltd and presented party internal use only, MSD6A638-T8F1DTMB(4K)
Do not spread to third party without the written permission.
@ T4298 3.0 : 1 of 11
Copyright@ ShenZhen KTC Technology Co., LTD : : :
Thursday, April 21, 2016
5 4 3 2 1
5 4 3 2 1




D D


LED LLC
VB1 4K V by one
3.3V_NORMAL 12V_NORMAL
AS1117
RESET
TUNER PWR TUNER_3.3V SPK-L




12V
Audio AMP
AS1117 TPA3110LD2
12V_NORMAL
SPK-R
1.28V VDDC_CPU PWR MOS
12V OUTPUT 12V_NORMAL DC-DC
/ PFC Flyback
1.15V VDDC PWR
DC-DC
5V_NORMAL
IF
DDR PWR DDR PWR 1.5V


5V_STANDBY
DC-DC
3.3V_Standby
MSD6A638
C RE/CE 3.3V_STANDBY SILICON TUNER C
AS1117 MXL661
PWR_ON/OFF
TUNER_3.3V




RF
32Gbit




AV-OUT
COAXIAL
IR&KEY




USB
GPIO




Y/Pb/Pr



AV-IN
EMMC FLASH




VGA
AC INPUT IR&KEY TUNER CONN
HDMI1

HDMI1 HDMI2
(ARC) LAN


HDMI2 LAN Y/Pb/Pr AV-IN VGA COAXIAL VEDIO-OUT USB
HDMI3
(MHL)


B B




A A
KTC ISO9001.ISO14001

MSD6A638-T8F1DTMB(4K)

This document for ShenZhen KTC Technology CO., Ltd and presented party internal use only,
T4298 3.0 : 2 of
11
Do not spread to third party without the written permission.
@
: : :
Copyright@ ShenZhen KTC Technology Co., LTD
Monday, April 25, 2016
5 4 3 2 1
5 4 3 2 1








PR106
PVR10561 PD201
AC+ 6A/600V




2

CN101
PR104 PR102 PD409
2M 2M




PL101 6mH
3 3 4 3 4 RS07




0.33UF/275V
D
4733-555-8888 3 PR101
D




0.33UF/275V
6221-02N101-27239201 PVR10561 4 - + 1VB+




PC102
VB-




PC101
PF102
1 1 2 PR105 PR103 1 2 PD410
1 2M 2M RS07
PL102
15mH AC-




3
471/400Vac
T5AH250Vac




471/400Vac





PC103




PC104
T5AL250Vac
PR419 10K PR438 10K
R1206 R1206 HV

AGND HV1
AGND






C PL202 C
2 6 TO220BHD NTC7.5_NEW
PR107 2.5/6A
3 5 2 1 10F60 V_BUS
PL204 PD205




t
1 4
280uH PR222
L15
2




PR224 PR215 PR216 820K
POT33 PL203 820K R1206 820K R1206 820K R1206
L15
1




R1206
PC203 PQ201 PR221
2




100PF 1KV 13N60 820K
C1206 TO220BH PR205 47R R1206 R1206
1
PR206




100uF/450V
+
3




10K PD207 1N4148 PU201 FA5696 SOIC8
CD15 R0805 SOD123 PR220




PC212
1uF/450V




820K
PC201




OVP 4
2




PR209 NC PR210 10R R1206
SOT-23 PQ202 1 7 1
OUT FB
2




NC R1206 R1206
PL201 VCC_PFC
PR208 NC
3




B 15uH 2 COMP VCC 8 B
P7.5 R1206




1nF/50V
1




PR214 VB- PR218
0.22uF/50V




0.2R 2W
PR212 0R 16K H108




16K
3 5



GND
R0402 RT IS R0402
PC202




0.47uF/16V




470R




10K
PR223 0.2R 2W
PR211 68K 1
R0402 PC210
PC206




PR219



PC211
R0402



C0402
2
PC207 PR213 6 1nF/50V




PR217
3




PR225
PC205 10nF/16V 68K PC208 C0402
CD15 0.47uF/16V C0402 C0402 R0402 330pF/16V
C0402
VB+ VB- PC209 PC215
0.1uF/50V 10uF/25V
PGND PC214
10uF/25V




A A
KTC ISO9001.ISO14001

MSD6A638-T8F1DTMB(4K)
3.0 : 3 of 11
: : :
Tuesday, April 26, 2016
5 4 3 2 1
5 4 3 2 1



V_BUS 200K 200K

PC301 100PF/1KV
PR357 PR355
PR371 560K PD310 NC
PR314 560K PC306 100pF/1000V PR316 10R




1N4148

1N4148

1N4148
PR315 560K VLED+ 5V




PC308 33uF/200V
PC307 33uF/200V
PR361 560K PR356
PR362 560K PD313 SF59 PR317 PR318
100R 100R 100R
PD308 PD314 VLED1 VLED2 VLED3
3 10 PL404




PD307
PD305

PD306
PT301A 11 PD303 + + 5V2 5V
1 2 R1206 PR423 47R 470pF/500V




470uF/16V
EQ40 PL405 L10 SF59 1N4148 V_BUS R1206 PR424 47R PC410
PD301 fr507




TO126
9 +
1 2




TO126
R0805 12VSB 12VS




TO126
PR401 51k




PC322
1 8 PC401
PQ304 PQ305 PQ306 12V
AGND
12R




D SF59 102PF/1KV EQ25 D




PC411 1000uF/16V




PC412 1000uF/16V
2




PC413 470uF/16V

PC414 1uF/25V
PZT651 PZT651 PTZ651 PR418 47R TO220BH
AGND PT401A EQ25 1 2 PC415
VCC1 PR415 47R PL402 L10 1uF/25V
PR301




PL301 HV1 PR319 PR402 47R 3 10 1 2 PR425
1
2
PQ301 10K PR403 47R 11 PL403 L10 TO220BH
+ + + NC
80R650 PR313 10k PR312 10k
PR308 47R VOCP PD401 RL207 9 PD407 PS20U100
PC309 1 VFB PD408 PS20U100
1 8 AGND




8


6




12R
100PF/1KV 1N4148




12R
12R
12R
12R
12R
12R
12R
12R
12R
12R
12R
12R
12R
12R
3




PD302