Skyworth 8M17A Schematic
SERVICE MANUAL
8M17A CHASSIS
Design and specifications are subject to change without prior notice. (Only for Referrence)
Description: SERVICE MANUAL 8M17A
MODEL. Brand Name:
JOB NO.
Engineering Dept:
-1-
SIZE:A4
CONTENT
Artwork By: |
Date: 2013-4-25 |
Checked By: |
Date: |
Approved By: |
Date: |
CONTENT ------------------------------------------------------------------------ |
2 |
Technical Specification------------------------------------------------------- |
3-14 |
Block Diagram ----------------------------------------------------------------- |
15-16 |
List of key parts----------------------------------------------------------------- |
17 |
IC BLOCK Diagram-------------------------------------------------------------- |
18-43 |
MAIN PCB-TOP------------------------------------------------------------------ |
44-45 |
MAIN PCB-BOT------------------------------------------------------------------ |
46-47 |
Circuit Diagrams---------------------------------------------------------------- |
48-64 |
-2-
Technical Specification
1. Application Area:
This product standard is use for LED chassis.
2. Specification:
All the standard are measured under following conditions without other specification.
2.1Ambient Temperature: 20+/-5
2.2Relative Humidity: 65+-10
2.3Power Supply Voltage: 12VDC
2.4Adjust after 20 minutes warm-up.
3. Test and check method:
3.1 |
Capability: |
According to nation test standard |
|||
3.2 |
Safety: |
|
IEC60065 |
standard |
|
3.3 |
EMC: |
|
|
standard |
|
-3-
Technical Specification
4. Safety and Regulation
|
NO. |
Item |
Min |
Typ |
Max |
Unit |
Remark |
|
1. |
Force Stability-Incline plane Tip Test |
|
10 |
|
deg |
|
|
2. |
Force Stability-Level Tip Test |
|
100 |
|
N |
|
|
3. |
Isolation Gap AC-AC/AC-DC |
3 |
|
|
mm |
|
|
4. |
Isolation Gap |
6 |
|
|
mm |
|
|
5. |
Power Consumption |
|
11 |
|
W |
14E57 |
|
|
|
|
|
|
|
|
|
6. |
Power consumption Standby |
|
0.4 |
1 |
W |
|
|
7. |
Dielectric Voltage |
3 |
|
|
kV |
|
|
8. |
Isolation Resistance |
4 |
|
|
MΩ |
|
|
9. |
Leakage Current |
|
5 |
|
MAp-p |
|
|
10. |
Power cord captivity |
|
40 |
|
N |
|
|
11. |
Flammability—Back Cover |
|
PASS |
|
|
|
|
12. |
Sharp edge |
|
PASS |
|
|
|
|
13. |
UL Compliance |
|
NO |
|
|
|
|
14. |
FCC Compliance |
|
NO |
|
|
|
|
15. |
CDRH Radiation Compliance |
|
NO |
|
|
|
|
16. |
CSA Compliance |
|
NO |
|
|
|
|
17. |
CEB Compliance |
|
NO |
|
|
|
|
18. |
CE Compliance |
|
|
|
|
Base on different order |
|
19. |
CB Compliance |
|
YES |
|
|
|
5. Video |
|
|
|
|
|
||
|
NO. |
Item |
Min |
Typ |
Max |
Unit |
Remark |
|
|
1. |
Linearity Distortion, Vertical |
|
1 |
|
|
|
|
|
2. |
Linearity Distortion, Horizontal |
|
1 |
|
|
|
|
|
3. |
Trapezoidal Distortion, Vertical |
|
1 |
|
|
|
|
|
4. |
Trapezoidal Distortion, Horizontal |
|
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5. |
Over scan, Vertical |
93 |
95 |
97 |
|
|
|
|
6. |
Over scan, Horizontal |
93 |
95 |
97 |
|
|
|
|
|
|
|
|
|
|
|
|
|
7. |
Brightness Maximum |
|
200 |
|
|
14E57 |
|
|
|
|
|
|
|
|
|
|
|
8. |
Video Noise Limited |
|
|
60 |
dBuV |
|
|
|
|
Sensitivity(@S/N=30dB) VHF |
|
|
|
|
|
|
Technical Specification |
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|
|
|
|
9. |
Video Noise Limited |
|
|
60 |
dBuV |
|
|
|
|
Sensitivity(@S/N=30dB) UHF |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
-4-
10. |
Selectivity -1.5M |
35 |
|
|
dB |
|
11. |
Selectivity +8M |
40 |
|
|
dB |
|
|
|
|
|
|
|
|
12. |
Tuning Range |
-0.7 |
|
|
MHz |
|
13. |
Resolution Horizontal |
|
1366 |
|
Lines |
|
|
|
|
|
|
|
|
14. |
Resolution Vertical |
|
768 |
|
Lines |
|
6.Chroma
|
NO. |
|
Item |
Min |
Typ |
Max |
Unit |
Remark |
|
1. |
|
White Balance, X axis |
|
|
|
|
|
|
2. |
|
White Balance, Y axis |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3. |
|
White Balance, Color Temperature |
6500 |
9800 |
12500 |
kdeg |
12500(266,276) |
|
|
|
|
|
|
|
|
9800(280,290) |
|
|
|
|
|
|
|
|
6500(313,329) |
|
|
|
|
|
|
|
|
|
|
4. |
|
Color Sensitivity |
|
30 |
|
dB |
|
|
5. |
|
Color Burst Lock-in Range |
+/-300 |
|
|
Hz |
|
|
6. |
|
Color Killer Sensitivity |
|
30 |
|
dBuV |
|
7. Audio |
|
|
|
|
|
|
||
|
NO. |
|
Item |
Min |
Typ |
Max |
Unit |
Remark |
|
1. |
|
Audio Noise Limited Sensitivity, VHF-L |
|
25 |
|
dBuV |
|
|
2. |
|
Audio Noise Limited Sensitivity,VHF-H |
|
25 |
|
dBuV |
|
|
3. |
|
Audio Noise Limited Sensitivity, UHF |
|
28 |
|
dBuV |
|
|
4. |
|
Buzz(S/N Ratio) |
|
40 |
|
dB |
|
|
5. |
|
Distortion |
|
3 |
|
|
|
|
6. |
|
Audio ouput,L/R,at 7 THD |
|
2 |
|
W |
|
|
7. |
|
Audio ouput,Center |
|
1 |
|
W |
|
|
8. |
|
Stereo Separation |
|
N/A |
|
dB |
|
|
9. |
|
Speaker Impedance |
|
4 |
|
ohm |
|
|
10. |
|
Speaker Power rating |
|
4 |
|
W |
|
8. Power |
|
|
|
|
|
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||
|
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|
|
|
|
|
|
|
|
NO. |
|
Item |
Min |
Typ |
Max |
Unit |
Remark |
|
1. |
|
DC Voltage, Audio |
|
5 |
|
V |
|
|
2. |
|
DC Voltage, Tuner |
|
3.3 |
|
V |
|
Technical Specification
9. External Interface
NO. |
Item |
Min |
|
Typ |
Max |
Unit |
Remark |
1. |
Video Input Level |
|
|
1 |
|
Vp-p |
75 ohm |
|
|
|
-5- |
|
|
|
|
2. |
Video Input Frequency Response |
4.5 |
|
|
MHz |
|
3. |
Video Input S/N |
|
40 |
|
dB |
|
4. |
Audio Input Level |
|
0.5 |
|
Vrms |
|
5. |
Audio Input Frequency Response |
|
|
20 |
kHz |
|
6. |
Audio Input S/N |
|
40 |
|
dB |
|
7. |
Audio Input Distortion |
|
3 |
|
|
|
8. |
Audio Input Dynamic Range |
|
2 |
|
Vrms |
|
9. |
Video output Level |
|
N/A |
|
Vp-p |
|
10. |
Video ouput Frequency Response |
|
N/A |
|
MHz |
|
|
|
|
|
|
|
|
11. |
Video output S/N |
|
N/A |
|
dB |
|
12. |
Audio output Level |
|
N/A |
|
Vrms |
|
13. |
Audio output Frequency Response |
|
N/A |
|
Hz |
|
14. |
Audio output S/N |
|
N/A |
|
dB |
|
15. |
Audio output Distortion |
|
N/A |
|
|
|
16. |
Video Input Level,R/G/B |
|
0.7 |
|
Vp-p |
|
17. |
Video Input |
|
0.7 |
|
Vp-p |
|
|
Level,Component(Y,Pb,Pr) |
|
|
|
|
|
|
|
|
|
|
|
|
18. |
RGB Input Resolution,Vertical |
|
N/A |
|
pixel |
|
|
|
|
|
|
|
|
19. |
RGB Input Resolution,Horizontal |
|
N/A |
|
pixel |
|
20. |
RGB Input Horizontal Frequency |
|
N/A |
|
kHz |
|
21. |
RGB Input Frame Rate |
|
N/A |
|
Hz |
|
10. The Others
NO. |
Item |
Min |
Typ |
Max |
Unit |
Remark |
1. |
Search sensitivity |
|
40 |
|
dBuV |
|
2. |
Clock,real time gain or loss(sec per |
|
NO |
|
sec |
|
|
day) |
|
|
|
|
|
3. |
Software Funcitonality Test |
|
YES |
|
|
|
4. |
REMOCON Working |
|
8 |
|
m |
|
|
sensitivity,Straight |
|
|
|
|
|
|
|
|
|
|
|
|
5. |
REMOCON Working |
|
6 |
|
m |
|
|
sensitivity,T/B/L/R |
|
|
|
|
|
6. |
Close caption sensitivity |
|
N/A |
|
dBuV |
|
7. |
Teletext sensitivity |
|
46 |
|
dBm |
|
8. |
Resonance of unit(sweep |
|
NO |
|
|
|
|
freq:50~1000) |
|
|
|
|
|
Technical Specification
11. Customer Menu Setup(as shipped condition)
NO. |
Item |
Specification |
Remark |
1. |
PSM |
Standard |
|
|
|
|
|
-6-
2. |
SSM |
Standard |
|
3. |
Volume |
30 |
|
4. |
Mute |
off |
|
5. |
Input Mode |
RF-Air |
|
6. |
Customer menu language |
English |
Base on different order |
7. |
AVL |
off |
|
8. |
Sleep Timer |
off |
|
9. |
Auto sleep |
off |
|
10. |
Blue back |
on |
|
|
|
|
|
11. |
Surround |
N/A |
|
12. |
Caption |
N/A |
|
13. |
Noise Reducer |
Middle |
|
12. Reliability
NO. |
Item |
Min |
Typ |
Max |
Unit |
Remark |
1. |
ESD |
|
4 |
|
kV |
IEC-1000-4-2 |
2. |
EFT/Burst |
|
|
|
kV |
IEC-1000-4-4 |
3. |
Surge Immunity |
|
|
|
kV |
IEC-1000-4-5 |
4. |
Voltage Dip Test,10ms |
|
|
|
|
IEC-1000-4-11 |
5. |
Voltage Dip Test,100ms |
|
|
|
|
IEC-1000-4-11 |
6. |
Operation Temperature |
|
|
|
deg |
|
7. |
Operation Humidity |
|
|
|
|
|
8. |
Storage Temperature |
|
|
|
deg |
|
9. |
MTBF(confidence Level:90%) |
|
|
|
hour |
|
-7-
Technical Specification
Productions Specification
Model # |
14” |
Country( West Eu./East |
Russia |
Eu./Russia/AP/US/S.A./Japan/…) |
|
Brand |
Skyworth/ODM |
Category (Monitor/TV/Combo/Portable TV…) |
TV |
Panel technology (LCD / PDP) |
LED |
Market Position (High/Mid/Access,,,) |
Class |
Cabinet Design (Example: 01,23 series ) |
E57 |
Product Nb |
- |
Chassis solution |
MST6M182XSET |
Chassis name |
8M17A |
Chassis PCB Standard |
Follow Compal’s model |
Predecessor (replace) |
- |
MP date requested (ETD) |
2013.5 |
MP date confirmed by supplier (ETD/ETA) |
- |
Status( Pre./Finish ) |
- |
Regional requirement |
|
Homologation |
CB |
(Gostandard/CE/MPTT/CB/…) |
|
RoHS |
Yes |
Power supply(100-240V AC +/-10%/...) |
12V DC (+5%) |
Power consumption working / Annual |
- |
Power consumption standby |
<1W |
Power plug(VDE/UL/BS/…) |
VDE |
Picture display |
|
Screen size : diagonale (inch) |
14” |
Aspect ratio (16/9 // 4/3 // 15/9) |
16:9 |
1st panel supplier : panel suppliers |
AUO |
1st panel supplier : panel reference |
|
Panel Display Type(MVA/PVA/IPS/…) |
TFT LCD |
1st panel supplier : resolution |
1366X768 |
Dynamic contrast ratio |
500:1 |
Video signal process |
|
Comb Filter (2D/3D) |
3D |
Noise Reduction (adaptative/3D/…) |
3D |
Picture improvement |
LTI/CTI |
( LTI/CTI,BLE,WLE,...) |
|
|
|
|
-8- |
Technical Specification
Color process (Gama correction/Skin |
Follow main IC |
correction /... ) |
|
Colour preset |
Cool/Neutral/Warm |
(Cool/Normal/Warm/Personal) |
|
Picture control |
Yes |
( Bright/Con./Sharpness/Color/Tint/…) |
|
Picture presets : Standard / Bright / Soft / |
Normal / Soft / Personal/ Bright |
User |
|
Picture freeze |
Yes |
Multi picture : PIP ( AV )/POPAV |
NO |
Dynamic Backlight Control |
NO |
LED Backlight |
Yes |
Deinterlacer (No/linerar/motion |
3D motion adaptive |
adaptive/motioncompensative) |
|
Film mode / reverse 3:2/2:2 pull down |
Yes / Yes |
Full HD support ( 1080P ) |
Yes |
Single scan / Dual scan ( 120HZ ) |
Single scan |
Zoom type : 4/3 format |
YES |
Zoom type : 14/9 Zoom |
NO |
Zoom type : 16/9 Zoom |
YES |
Zoom type : 16/9 Zoom up/down |
YES |
Zoom type : Cinerama |
YES |
Zoom type : 16/9 Format |
YES |
Zoom type : Auto ( by SCART Pin8 and |
N/A |
WSS ) |
|
Picture Auto adjustment (PC mode) |
N/A |
3D Panel Type(PR / SG) |
N/A |
3D Mode |
|
3D To 2D (Y/N) |
|
2D To 3D (Y/N) |
|
Left / Right Swap (For PR Panel) |
|
Sound |
|
Sound type ( Mono/AV stereo/Stereo ) |
Mono |
Music Power (Watt)/RMS Power (Watt) |
1X2W |
Tone control ( Bass&Treble / Graphic |
Bass&Treble |
Equalizer ) |
|
Special sound effect ( AVL / WIDE / |
AVL |
Pseudo /… ) |
|
Suround system ( Dolby / VD / SRS / BBE |
N/A |
/ … ) |
|
|
-9- |
Technical Specification
Sound control ( Volume , Balance , Mute ) |
Volume, Mute |
Sound presets |
Personal/Standard/Music/News/Film |
(User/Speech/News/Standard) |
|
Headphone volume control ( Separated / |
N/A |
linked ) |
|
Sound quality ( High / Mid / Low ) |
|
Reception and Decoding capability |
|
RF rangeATV |
54MHz 864MHz |
RF rangeDTV |
VHF 177-213 MHZ, UHF 473-803 MHZ |
Color System (PAL/SECAM/NTSC/PAL |
PAL/SECAM |
M,N ) |
|
Audio Standard ( B/G/H/D/K/K'/I/L/L' ) |
BG / DK / I / L |
Stereo audio system ( Nicam,MTS,A2,….) |
N/A |
Video standard NTSC 3.58 / 4.43 (AV)/PAL |
PAL 4.43 |
60 |
|
DTV SD support (DVB-T/S/C , ATSC , |
N/A |
QAM , … ) |
|
DTV HD Support |
N/A |
MHEG5 |
NO |
HD capability with YPbPr |
Yes (720p; 1080i; 1080p@24/50/60Hz; |
|
480i/p; 576i/p) |
PC capability (up to maximum format) |
1920X1080 60Hz |
HDMI capability AV/PC Format) |
Up to 1080P 24/50/60HZ |
Compatible video format if DVD/USB: |
JPEG/MPEG2/MPEG4/DivX |
DviX/VCD/SVCD/JPEG/AVI/MPEG2/WMV- |
/H.264(depending on license) |
HD/SD |
|
Compatible audio format if |
MP3/WMA(depending on license) |
DVD/USB:MP3/WMA/AAC/MPEG1/… |
|
Playable Discs |
NO |
(CD/CD-R(RW)/CD-ROM/DVD+R/+RW/-R/-RW) |
|
Card reader format compatibility |
NO |
Macrovision |
Yes |
PVR |
N/A |
Network |
NO |
User convenience |
|
OSD Language* |
English |
OSD Positioning |
No |
OSD Transparency Adjust |
No |
OSD Timeout Adjust |
No |
Customer Brand name(LOGO) |
Yes |
|
-10- |
Technical Specification
IB languages |
English |
ATV Program Numbers (example: 99+3AV |
200 |
input ) |
|
DTV Program Numbers |
N/A |
Program edit ( naming , sorting , skip , |
Skip |
swap …. ) |
|
Auto Naming/Auto Sorting |
No |
TV Guide(DTV EPG) |
N/A |
Favorite program |
No |
Number of buttons on cabinet (Power; |
Vol+/-; Pr+/-, Source,Power |
Vol+/-; Pr+/-,Menu ) |
|
Main switch button (Yes/No) |
No |
CCD(Closed Caption)/V-CHIP |
No |
Text Standard: (Top, FLOF,,,) |
Yes |
Teletext Level: 2.5 / 1.5 |
- |
Pages for teletext |
1000 |
Teletext character sets **** |
- |
DVB-T teletext |
- |
Real clock |
N/A |
Sleep timer |
10-240 Min |
Timer |
Turn On / Off, Program Switch |
Parent Control -Source and Channel lock |
No |
(Input code forcertain channel) |
|
Parent Control - Child lock (set the lock of |
Yes |
the keyboard,only the RCU can control the TV) |
|
Parent Control - Kid pass (preset the |
No |
ontime, channel foreach day of the week) |
|
Parent Control - Channel lock (For digital |
No |
transmissionand DVD program, to filter some |
|
programms) |
|
Calendar / Games |
No |
No program auto switch off |
Yes |
Hotel mode (Y/N) |
Yes |
DVD player (No/slot/tray) |
No |
Tuner FM (yes/No) |
No |
software download(RS232/CI/USB/OAD) |
USB |
Factory reset |
Yes(in factory menu,reset the setting to |
|
shipment state ) |
Screen saver |
Yes |
|
-11- |
Technical Specification
Blue Back |
No |
LED indicator(Power on/Standby) |
Green / Red |
|
|
Connectors -Rear |
|
RF Input (Antenna): Air/ Cable/ 2in1 |
Air |
Scart : CVBS in&out / RGB / S-VIDEO |
No |
CINCH video in / outAV1 |
AV |
CINCH audio in / out (No volumpe control |
AV AUDIO |
on Audioout/can be jack 3,5mm) |
|
S-video in |
No |
Component Video Input (YCrCb/YPrPb) |
YPBPR |
Component Audio Input (YCrCb/YPrPb) |
SAME AS AV |
VGA in / Audio L/R in / Jack audio in |
No |
3.5mm |
|
HDMI |
1 |
DVI |
No |
Audio input for DVI |
No |
CINCH subwoofer out / Coaxial out |
No |
(S/PDIF) |
|
Headphone output connector (mm) |
No |
RS232 ( Y/N , VGA or DB9 port …) |
No |
Card Readers |
No |
USB slot (No/1.1/2.0) |
1 |
DVB-CI (common interface) |
No |
External power converter input |
No |
Connectors -Side |
|
HDMI |
No |
AV-IN |
No |
AV-OUT |
NO |
Component Video Input (YCrCb/YPrPb) |
NO |
Component Audio Input (YCrCb/YPrPb) |
NO |
Headphone output connector (dia.mm) |
NO |
CINCH subwoofer out / Coaxial out |
NO |
(S/PDIF) |
|
USB slot (No/1.1/2) |
NO |
DVB-CI (common interface) |
NO |
DLNA |
NO |
RF Input (Antenna): Air/ Cable/ 2in1 |
NO |
VGA in / Audio L/R in / Jack audio in |
NO |
3.5mm |
|
|
-12- |
Technical Specification
|
UI/RC |
|
UI design (font/pixel, 2D/3D graphic |
SOD Standard |
|
|
engine..) |
|
|
RC Model |
YK76HG |
|
RC system |
RGB Standard |
|
RC # of keys |
|
|
Accessories included |
|
Carton (English/French/Spanish) |
English |
|
|
IB |
English |
|
Circuit diagram |
No |
|
Batteries |
Yes |
|
Product registration Card |
Yes(English) |
|
DC Cable Length |
1.5m |
|
Audio Cord (Jack 3.5mm) |
No |
|
VGA Cord |
No |
|
Wallmount frame |
Optional |
|
Antenna Cable |
No |
6 in 1( YPbPr & CVBS) cable adapter |
No |
|
|
3D Glasses |
No |
|
General Data |
|
Size |
(W x H x D, with stand) in mm |
|
Size |
(W x H x D, without stand) in mm |
|
Package Size (W x H x D, without stand) |
|
|
|
in mm |
|
|
Net Weight in kg |
|
|
Gross Weight in Kg |
|
|
Design / Mechanical |
|
Wallmount VESA compatible (standard |
Yes |
|
|
reference) |
|
Adaptor for VESA wallmount |
Yes |
|
|
compatibility |
|
Desktop Stand (included/optionnal + |
included |
|
|
ref/No) |
|
Panel Tilt (Fowards/Backwards/Rotation) |
No |
|
Swivel function desktop stand (yes/No) + |
No |
|
|
motorized? |
|
|
Docking station (yes/No) |
No |
Floor Stand (included/optionnal + ref/No) |
No |
|
|
Glass shield (yes/No) |
No |
|
Finish on Front |
- |
|
|
-13- |
Technical Specification
Finish on side |
- |
Finish on back |
- |
Finish on stand |
- |
number of colors on carton box |
|
Brand logo |
Customer Inlet |
Other logo |
No |
External AC/DC Power with DC power |
No |
cord (yes/No) |
|
Handle (yes/No) |
No |
Detachable speaker (yes/No) |
No |
Rating Label langages |
English |
SYSTEM BLOCK DIAGRAM
FLASH 32Mb
YPBPR +AUDIO IN
SYSTEM
POWER SUPPLY
CVBS |
|
|
IN |
|
|
|
MST6E182XDT |
KEY PAD, IR RECEIVER |
USB |
|
|
IF DEMODULATOR BUILD IN |
|
|
IN |
MPEG 1/2/4 DECODER |
|
|
JPEG/MP3 DECODER |
LCD PANEL |
|
3D COMB FILTER VIDEO DECODER LVDS, DIM |
|
|
ON/OFF |
|
HDMI IN |
|
TPA6211 |
|
2W |
TDA18274
IF+/-
8M17A
-14-
List of key parts
NO. |
Name |
Position |
Type |
P/N |
|
1. |
IR |
Follow to the |
HS75438 |
5339-147438-0S00 |
|
IR board |
|||||
|
|
|
|
||
2. |
Speaker |
14E57 |
4ohm/4W |
5665-104064-0010 |
|
|
|
|
|
|
|
3. |
Crystal |
Y100 |
HC-4 |
4975-124052-RS00 |
|
X3 |
HC-4 |
4975-116052-SS00 |
|||
|
|
||||
4. |
Tuner |
U3 |
TDA18274HD |
4706-T18270-0480 |
|
|
|
|
|
|
|
|
|
U7 |
MP1495DJ |
476A-M14950-0080 |
|
|
|
Q4/Q5 |
ME2345A |
4600-M23450-0S00 |
|
|
|
U8/U10/U25 |
AS1117L-3.3 |
47B6-A11170-03 |
|
|
|
U4 |
AS1117L-1.8 |
47B6-A11172-03 |
|
5. |
IC |
U17 |
AS1117L-1.2 |
47B6-A11175-0300 |
|
|
|
U100 |
GD25Q32BSIGT |
47F2-G25320-0080 |
|
|
|
U14 |
MST6E182XDT-Z1 |
475C-M6E181-1560 |
|
|
|
U13 |
TPA6211 |
4722-T62110-0080 |
|
|
|
U53 |
SY8086 |
47EC-S80860-0050 |
-15-
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