Service Manuals, User Guides, Schematic Diagrams or docs for : Akai LCT LCT-2785TA LCT-2785TA
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download LCT-2785TA documenatation <<
Text preview - extract from the document
! " #"
$ %&' ( ) #
# *' ! # #
' +
) ,
' + , ' - '
!!
" # $ %
& '$ $ #( $ #
( ) * #( '
+ $
,!-#,!
. $ $
1
! ( $ ) *
/ 0 12
/ 0 12 #( / 0 . / 0
)% # *
$
!
$
!! ( 1 3 (
124 # # 1 3 # (
(
5
! * !
3 ( #( $ %6- %27
.8 ( %6- %27 1 ) 7 12 # (
%60 %26* & 9 " , 1 ) 7
12 * .&2 1 ) 7
12 *
3 ( $ 1 4 ( $ :!2
2
12 # ) *
( $ ;
$
"
6 ( $
6 ( $ ,
$
#
7 ( $ 1 3 ,0 # 1 3 (
$ 1 3
$
$ %
7 ( $ , 3 +(4 $ <
"
+(4 $
3
5 4 3 2 1
LVDSVDD
LVDSGND 2,3,4
SCL
SCL 9,14
SDA
SDA 9,14
URST#
URST# 3
MT8202E (PBGA388) LCDTV BOARD 4 LAYERS FOR AKAI 8202UP3_1
8202UP3_1 3
GPIO2
GPIO2 3,12
GPIO4
GPIO4 3
GPIO14
GPIO14 3,13
GPIO19
D GPIO19 3,13 D
9V
9V 7,9,14
12V
12V 12,13
1. INDEX / POWER / RESET / EEPROM 9VV
9VV
FB42
FB43
FB/NC
FB/NC
9V
9V
RELAY_ON
RELAY_ON 12
VS_ON
2. LDO VCC 8
U62
D1 S1 1 +5V/+6V
VS_ON 12
Rev History P# Date 7 2
3. MT8202E PBGA388 9V 6
5
D1
D2
G1
S2 3
4
9VV
5VSB
+ CE12 D2 G2
AKAI_MT8202_27US_LVDS_V0.0 New 2005/11/22
4. MT8202 DECOUPLING AKAI_MT8202_27US_HDMI_LVDS_V0.0 ADD HDMI / VIDEO /AUDIO CONNECTOR INPUT IN
CB20
0.1uF
100uF/10v
C22UF25V/D5H11
IRF7316
SOIC8/SMD
22K R779
5VSB
5. DDR MEMORY & FLASH SB33B HI = > POWER ON
Q45
2N3904
LO = > POWER OFF R775
6. MT5351 INTERFACE
2
22k
1 GPIO2
R776 R57 1K
7. HDMI MT8293 10k
3
2
8. DAUGHTER BOARD IN GPIO14 0/NC R777
1 Q44
2N3904
C681 C4
1uF
GPIO19 SOT23/SMD/NC 1uF/NC
9. WM8776 & VIDEO BYPASS
3
0 R778
10. AUDIO / VIDEO IN CIRCUIT
11 . VGA & PC AUDIO IN POWER DOWN RESET# CIRCUIT FB2
FB3
FB/NC
FB/NC
12V
12V
C C
12. LVDS OUT SB33A
+12V D23 D24 D25 D26
9VV
CE110 2N3904
13. BACK LIGHT / KEYPAD R337 10 URST# 1N4001/SMD
+
3 2
0 DIODE SMD/NC 1N4001/SMD 1N4001/SMD 1N4001/SMD
47uF/16v Q20 R338
14. TUNER IN 5VSB CB188
1
R225 0.1uF = FB39 FB/NC
D2 FB40 FB/NC
15. AV IN 10/NC
1N4148 R744
470
U61 KA278RA05/NC TO-220F-4L
VCC
+5V/+6V 1 VCC
OUT 2
16. AUDIO IN IN
3
VDIS
CE3 + CB4 R52 GND R37 + CE6
17.AUDIO Amplifier 100uF/16v/NC 0.1uF/NC NC NC
CB6
100uF/16v.NC
4
0.1uF/NC
SB33B R22 NC
POWER ON RESET# CIRCUIT
5VSB 8202UP3_1 HIGH :POWER OFF
3
SB33B
CB2 U1 8202UP3_1 LOW :POWER ON
VCC
0.1uF/NC R339
RESET
HOLE/GND HOLE/GND LM809 1000pF/NC 10k
GND
H2 H1 SOT-23/SMD/NC R324 C153 SB33B
9 2 9 2 10K + CE4 7 VS_ON
9 2 9 2 10uF/25v SYS_PWR
8 3 8 3 6
1
2
8 3 8 3 R635
7 7 4 4 7 7 4 4 5 5VSB Q21
6 5 6 5 R9 4 10k/NC
6 5 6 5
2
URST# 3 R236 R340
1
1
2 0/NC 1 8202UP3_1
2
1k/NC R10 1 RELAY_ON
1
1
B B
R11 1 SOT23/SMD 4.7k
3
1000pF/NC 2N3904
100k/NC Q19 4.7K J23 C154
ADD1
3
2N3904 D1 R8 DIP7/W/H/P2.54
SOT23/SMD 1N4148/SMD 47k
J7 J6
+12V +5V/+6V
1 +12V +5V/+6V 1
HOLE/GND HOLE/GND 2 2
H4 H3
3 3
9 2 9 2 4 LVDSVDD 4
R. ANGLE
9 2 9 2
8 8 3 3 8 8 3 3 5 5
7 7 4 4 7 7 4 4 6 6
6 6 5 5 6 6 5 5 7 7
5VSB 8 8
1
1
9 9VV 9
5VSB 10 9VV 10
1
1
11
R639 R637 R638 DIP10/W/H/P2.54
0 10K 10K 11x1
CB5 R13 DIP11/P2.54
U2 20K SB33B
0.1uF 1 8 9VV VCC 12V +12V
NC VCC SYSROMWP Q4
2 NC WP 7
3 6 R674 100 SCL 2N3904 R645 CE1 CB1 + CB15 + +
NC SCL
R676
4 5 R675 100 SDA SOT23/SMD 10K 220uF/16v + CE144 0.1uF CE2 CB3 CE145 0.1uF
GND SDA
2
0.1uF 220uF/16v 100uF/16v 0.1uF470uF/16v CB207
1R14 10K GPIO4
EEPROM 24C16 C175 C176
SOP8/SMD 20pF 20pF H : WP DISABLE
3
10K/NC
R15 L : WP ENABLE
SYSTEM EEPROM 10K/NC
A A
FROM POWER BOARD
KAWA Confidential
Title
◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo