Akai LCT2016 Support Question
Akai LCT2016 Support Question
Find answers below for this question about Akai LCT2016 - 20 Inch LCD TV.Need a Akai LCT2016 manual? We have 1 online manual for this item!
Question posted by Cmjm21772 on October 26th, 2015
Akai Lct 2016 Tbt
Tv worked for years. Fine one evening. Next AM, AC adapter light blinks, tv is in VGA mode and It will not accept instructions to change to TV mode. That evening, after work, TV works ok. Next AM, same problem as previous morning. This evening, problem continues. AC adapter came on at first with a solid connection; but TV was in VGA mode and would not accept instructions to move to TV. Unplugged all, waited few moments-- AC adapter back to blinking only. Yes, AC adapter shows intermittent problem, but, even when it is ok, TV now does not accept instructions to move to TV mode. Remote does work.
Current Answers
Related Akai LCT2016 Manual Pages
Service Manual - Page 1
SERVICE MANUAL
Model:
LCT2016
Safety Instructions 1-2 Production specification 3-5 Block Diagram 6-6 Circuit Diagram 7-24 Main IC Specification 25-25 Mechanical Dimensions 26-26 Disassembly 27-28 Spare parts list 29-29 V-chip ...
Service Manual - Page 2
... record, It is 2 7 KV at zero b ean current (mi nimum b rightne ss). When replacing AC primary side compo nents (tran sformers, power cords, n oise blo cking capacitors, e tc.), wra p ends...material s for recycling a s well as specified in this TV receiver, read the X-RAY RADIATION PRECAUTION, SAFETY INSTRUCTION and PRODUCT SAFETY NOTICE.
MAKE YOUR CONTRIBUTION TO PROTECT THE ENVIRONMENT...
Service Manual - Page 3
... at the AC o utlet and repea t the AC volta ge measurements fo r each exposed metallic part. The use a line iso lation transformer d uring th is re quired, observe the origin al lead dressing. Goo d ea rth grou nd
Pl ace this TV receiver have these compo nents, rea d the parts list in the...
Service Manual - Page 4
...): TV System: Power Supply: Power Consumption: Input Terminals:
Agent System:
LCT2016 20" ...diagonal 408mm(H) x 306mm(V) 4:3 680mm(W) x 480mm(H) x 70mm(D) (w/o Stand) 10kg 640 (H) x 480 (V) pixels (Each pixel has R/G/B 3 color cells) 16.7 millions of colors (R/G/B each 256 scales) 256 (R/G/B each 8-bit) 450cd/m2 (Typical) 500:1 (Typical) NTSC M AC 100-240V, 50/60 Hz ≤ 60W PC VGA...
Service Manual - Page 5
....
-
When the signal received by the Display exceeds the allowed range, a warning message "INPUT NOT SUPPORTED" shall appear on -screen.
4 HDTV Mode (YPbPr)
Horizontal Frequency
(KHz) 31.50 35.00 37.50 37.86 31.47 35.16 37.90 46.90 48.08 49.00 48...94
27.00
3
720p(1280x720)
45.00
60.00
74.25
4
1080i(1920x1080) 33.75
60.00
74.25
- Support the Signal Mode
A. D-Sub Mode (VGA)
NO.
Service Manual - Page 6
... 2 seconds.
ⰷ
ⰹ
ⰳ SOURCE: Press to select the signal
source, such as TV, VIDEO,
ⰻ
ⰽ
S-VIDEO, COMPONENT or VGA. ⰵ SCAN: Press scan the channel.
the
channel changes after 3 seconds.
ⱄ V-CHIP: Press to select the child protect mode.
ⱅ MTS: Press repeatedly to cycle through
channels, press and hold down either...
Service Manual - Page 8
... 180pF
B
VCC5
1L1 FB 0805
5VCC
+ 1C2
1C3
1R3
100uF/16V 100nF
10K
1R4
1R1
100
NC
1 2 3 4
S S S G
D D D D
8 7 6 5
1U1 FDS9435 SOP08
VCC5-TV
+ 1C1
1C4
100uF/16V 100nF
1C5 100nF
TV_PW
TV-PW
1R22 4.7K
1R2 10K/0
3
1
1Q1
2N3904/NC
2
VCC5
A
A
1C24
1C25
1C26
1C27
1C28
1C29
1C30
1C31
1C32
1C33
1C34
GND...
Service Manual - Page 9
... REMOTE
2R5
reset pulse Minimum 100us,
101
active low
2R6
TV_PW VEDIO_RESET
TV_PW
101
5146_RESET
STBY TUNER_RST
AN7522_STBY 3415_RST SCL
35 EA/VP 21 XTAL1
20 XTAL2 10 RESET
14 15 16 17
INT0/P3.2 INT1/P3.3 T0/P3.4 T1/P3.5
2 3 4 5 6 7 8 9
P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7
P0.0 P0...
Service Manual - Page 12
... P2.6/PWM5 8 P2.7/PWM6
P1.1 46 P1.0 45
5C4 22pF
TXT-VCC3
9 P3.0/ADC0
VDDP 44
VCC5-TV
TXT-VCC3
10 P3.1/ADC1
RESET 43
5C5 47uF/16V
5Y1 12MHz
5R3 100K
+ +
5L2 FB TXT-VCC5
...
VDS 35 R 34
TXT-FB TXT-R
5R16 5R17
0/330 330/0
T-FB T-R
T-FB T-R
5R13 22K
5L3 8.2uH
5C10 5C11
20 P0.6
G 33
TXT-G
5R18
330/0
T-G
T-G
5R10 470
5R11 10K
150pF 100nF
21 P0.7
B 32
TXT-B
5R19
330/0...
Service Manual - Page 13
...
D VINpp = 430mV, gain = 35 dB
EXT_VIDEO_R
6CON3 1 2 3
EXT_VIDEO_L
EXT_A_L
6FB2
50/0805 6R27 1K
6C42 101P
TV-A-R TV-A-L
6FB1 50/0805 6FB7 50/0805
6CON4 PC_AUDIO
1 2 3 4 5
PC
AUDIO
INPUT
6FB8 50/0805
6FB6 50/0805
...
BIN_R
BOUT_L
BIN_L
LOUT
LIN LOUD_L TREB_R TREB_L LOUD_R
ROUT
RIN AGND
23
24
22 6C43 104
21 6C44 104
20 6C45 104
19 6C47 104
18 6EC8 2.2U/16V
17 12 4 3 7 6
5 2
6EC9
PT2314
2....
Service Manual - Page 20
...
5
AP2
6
7
CLK1-
8
CLK1+
9
AN3
10
AP3
11
AN4
12
AP4
13
14
AN5
15
AP5
16
17
AN6
18
AP6
19
CLK2-
20
CLK2+
21
AN7
22
AP7
23
3
24
25
26
27
LVDSVDD
28
LVDSVDD
29
30
+ CE87 220uF/16v
+ CE88 220uF/16v
CB185 0.1uF
CB186 0....
8x1 W/HOUSING DIP8/W/H/P2.54
GND
B R281
75 1%
B
L78
0.082uH L/IND/SMD/0603 C154
33pF
C155 33pF
BLU_OUT
GND C
1
Title
LCD TV -
Service Manual - Page 21
...DIP12/W/H/P2.0
Inverter_PWR
PWR_GND L89 FB
J11
1 2 3 4 5 6 7 8 9 10
10x1 W/HOUSING R.A. ANGLE
2
2
1
1
Title
LCD TV - DIP10/WH/P2.0/R
L90 FB
BEAD/SMD/1206 BEAD/SMD/1206
R. A
B
C
D
E
UP1_2
UP1_2
6
UP3_1
UP3_1
6,8
PANEL INVERTER...
Rev V0.1
Date: Tuesday, May 10, 2005
Sheet 15
of
16
A
B
C
20
D
E ANGLE
J10
1
2
3
4
5
6
7
8
9
10
VCC SELECT Hi For External
11...
Service Manual - Page 22
... IN 1
TUNER1
FQ1236 / : NTSC TV TU1
D
ADDRESS
TUNER
IF
C2
86
... SIF1_IN AF1_IN
GNDS
GNDS
GNDS TU_CVBS
2
3
TU_CVBS
1R1
1
2
18
12
1
1R21 1R3 56
1R41
FB2 0
2
GNDS
AV , TUNER I/O
20 TV 20 TV_GND
TU_VCC TU_12V
SDA SCL SIF1_OUT AF1_OUT TV_GND TV
FB1 0
1J1
1 2 3 4 5 6 7 8 9 10 11 12
CON12
1
2
GNDS
4
5
M1
9 8 7 6
9 8 7 6
NC
2 3 4 5
2 3 4 5
GND HOLE
M2
9 8 7 6
9 8...
Service Manual - Page 23
...
1
10uH
2
1
D3 MBRS130LTR
C33 470NF FILM
2
C39
1
2
1000UF/25V
1
22
1
B
R20 10
C35 100NF X7R
A Title
Size B
Date: File: 5
Number
Revision
2-Sep-2005
Sheet of
D LCD TV\LCD TV.DdbDrawn By:
6
Service Manual - Page 25
...OPEN
12
+24V4A
10 11
+12V
8 9
+24V1A
7 12
+24V4A
10 11
+12V
8 9
+24V1A
7
GND
16 STBY
6
5
7
2
4
LCD-TV 200W SMPS SPEC:
1. +5V 2. +5VS 3. +12V 4.+24V 5. +24VA
4A 1A (Standby 5V) 2A 4A 1A
6.8K
R29
C25
R34
R35
5.6K... 10K
Q2 BC337
R25
20R
C20 50V 22UF
Q3 BC327
STTH3L06
1
L3
2
D3
NTC1
400UH 3
PQ32-20 4
STTH8R06 2.5R
R13
R6 68K
$0.28
8 VCC
2
C6
25V 1U C5 680NF
1
R8 36K
...
Service Manual - Page 26
...[0] 5 GB[1] 6 GB[2] 7 GB[3] 8 GND 9 VDDP 10 GB[4] 11 GB[5] 12 GB[6] 13 GB[7] 14 RB[0] 15 RB[1] 16 RB[2] 17 RB[3] 18 VDDC 19 GND 20 GND 21 VDDP 22 RB[4] 23 RB[5] 24 RB[6] 25 RB[7] 26
NC 27 NC 28 DDC_DAT 29 DDC_CLK 30 DDCROM_CLK 31 DDCROM_DAT 32 HWRESET...
Service Manual - Page 27
...-
- 0.010 -
- R2 0.13 - 0.30 0.005 - 0.012
Symbol
Millimeter
Inch
Min. Nom. Nom. Min.
Nom. A2 2.50 2.72 2.90 0.098 0.107 0.114
D
31.20
1.228
D1
28.00
1.102
D2
25.35
0.998
E
31.20
1.228
E1
28.00
1.102
E2
25.35
0.998
R1 0.13 -
- 0.005...θ2
Gage Plane
0.25mm
θ3 L
b
e
θ1
R1
c
R2
Seating Plane
Symbol
Millimeter
Inch
Min. Nom.
Max.
Service Manual - Page 28
...
In case of trouble,etc.Necessitating disassemble,please disassemble in the order shown in the illustrations. 1.Removal of the Back Cover.
2.Removal of AC cord from PCB;pull up the LCD PCB from The picture tube.To avaid a shock hazard,be sure to discharge. a.Remove the screws. c.Remove the A node cap from...
Service Manual - Page 30
...-01
Part Description
Usage Unit / unit
20.1" LCD Panel
1 piece
Front Plastic Cabinet with Remote 1 piece
Lens
Plastic Back Cover with wall
1 piece
mount bracket
Plastic Base Cover
1 piece
Rubber Foot
6 piece
Main PCBA
1 piece
Inverter PCBA
1 piece
Control PCBA with 8 pin
1 piece
connector
AC Adaptor with AC Cord
1 piece
5 pin connector
1 piece
6 pin...
Service Manual - Page 32
... computer. - Power Switch OFF. - The power indicator on the front of the control device to the VGA jack on the LCD-TV back panel. -VGA connection cables are not supplied with the LCD-TV. - Copy the software to the 8051ISPwriter.
31 VGA configurations
1 2 3 4 5 6
VGA male
7 8 9 10 11 12 13 14 15
3-wire configuration (Not standard)
GND RXD TXD...
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