Erisson 21UF20 Schematic
Colour television Chassis
3P61
Contents Page
1. Technical Specifications, Connections, and Chassis
Overview 1-3
4. Mechanical Instructions 4
5. 5-10Circuit Diagrams and PWB Layouts
6. IC data sheet 11-16
EN 1 SK4.0A CA1.
Technical Specifications, Connections, and Chassis Overview
1. Technical Specifications, Connections,and Chassis Overview
Index of this chapter
Technical Specifications
Connection Overview
Chassis Overview
Note:
Data below can deviate slightly from the actual situation, due to the different set executions.
1.1.Technical Specifications
Target
Skyworth Proposed Chassis
Specifications
TV Model
2007 Volume
Production Center
Delivery Configuration
CR Date
CRT size
Type
Styling (SL7)
TV Systems
Sound Systems
Language
Power supply
Standby Power
Channel
Audio Output
Tuner
CRT
Picture
Sound
Teletext
Features
Black Level
Ex
pansion
Comb filter
Smart Picture
Color Temp
SVM
Pic Rotation
Pic Mode
LTI/CTI
DNR
Sharpness ??
AV Stereo
Dolby Virtual
Balance
Automatic Vol
Control
Smart Sound
Loudness
Nicam/A2
Bass/Treble Control
Graphic E.Q
Auto Stdby
On/Off Timer
Sleep Timer
Game
Calendar
Notebook
Favorite Channel
Channel Skip
Child Lock
Parental Guide
Channel Swap
29PT8867/93
29PT8857/93
29PT8867/93 - 28K
29PT8857/93 - 33K
Skyworth Gongming Skyworth Gongming Skyworth Gongming Skyworth Gongming
Complete Build Up (CBU) CBU Complete Build Up (CBU) CBU
June-07 June-07
29" RF Slim Yes 21" RF Slim Yes
HD Ready (1080i/720p), 100Hz Yes Analog 50Hz Yes
2 tone black (speaker black)
2 tone silver (speaker silver)
PAL multi (NTSC playback) Yes PAL multi (NTSC playback) Yes
DKI Yes DKI Yes
Simplified Chinese, English Yes Simplified Chinese, English Yes
160Vac ~ 260Vac 50Hz Yes 160Vac ~ 260Vac 50Hz Yes
<3W Yes <3W Yes
200 channel Yes 200 channel (stored) Yes
2X6W, AV Stereo Yes 2X3W, AV Stereo Yes
FS tuner Yes FS tuner Yes
Superslim Yes Ultraslim Yes
Yes Yes Yes
Comb filter for NTSC [Built-in
Main IC]
Comb filter for PAL/NTSC Yes
Yes Yes Yes Yes
Color Temperature: Cool,
Warm,Normal Yes
Yes Yes No No
Yes Yes Yes No
Picture Mode: 4:3 16:9 Yes Picture Mode: 4:3 16:9 No
Yes Yes No No
Yes Yes Yes No
Yes Yes Yes Yes
Yes Yes Yes Yes
No No No No
Balance Yes Balance No
Automatic Volume Control Yes Automatic Volume Control No
Yes Yes Yes No
Loudness No Loudness No
Global Nicam & A2 (German
Stereo) No
Bass/Treble Control (Build-in) No Bass/Treble Control (Build-in) No
Graphic E.Q.(Build-in) Yes Graphic E.Q.(Build-in) No
N.
ANoN.A No
In TV mode, No signal auto
standy in 15 minutes. Yes
On/Off Timer Yes On/Off Timer Yes
Sleep Timer Yes Sleep Timer Yes
Game No Game No
Calendar No Calendar No
Notebook No Notebook No
Favorite Channel No Favorite Channel No
Channel Skip Yes Channel Skip Yes
ChildLock Yes
Parent Guide No Parent Guide No
Channel Swa
29" 21"
Philips
China
p No Channel Swa p Yes
6P19S 3P61S
Chassis Chassis
Yes
(lock via local keys
Specifications
21PT8867/93
21PT8857/93
21PT8867/93 - 10K
21PT8857/93 - 26K
2 tone black (speaker black)
2 tone silver (speaker silver)
Comb filter for NTSC [Built-in
Main IC]
Comb filter for PAL/NTSC No
Color Temperature: Cool,
Warm,Normal Yes
Global Nicam & A2 (German
Stereo) No
In TV mode, No signal auto
standy in 15 minutes. Yes
only) Child
Lock Yes
Philips
(lock via local keys only)
Yes
Yes
Technical Specifications, Connections, and Chassis Overview
EN 2SK4.0A CA 1.
Connectivity
Micro-processor
Lead-free status
Non-flammable Mains Elcap
Plastic Resin
ROHS Compliance
BSD Compliance
Safet
y Compliance
Menu OSD
Chassis outline (dimension)
Front
Side
Rea
r
Remote control
Nil
AVin, SVHS Yes Avin
AVin, Avout, YPbPr, CVI Yes CVI, AVin, Avout,SVHS
UOC 3 Hercules Yes UOC 2 Yes
Yes Yes Yes Yes
Yes Yes Yes Yes
Yes HB Yes HB
Yes Yes Yes
Yes Yes Yes
CCC Yes CCC Yes
New UI To propose new UI New UI To propose new UI
250*330
<Two boards: Signal Board:
250*130; Scan Board: 250*200;>
Racer (Chinese text) Racer (Chinese text) Racer (Chinese text) Racer (Chinese text)
1.2.Connection Overview
TBC
No
Nil No
250*330
<Two boards: Signal Board:
250*130; Scan Board: 250*200;>
Yes
Yes
304*246
EN 3 SK4.0A CA1.
Technical Specifications, Connections, and Chassis Overview
1.3. ChassisOverview
MAIN
CHASSIS
PANEL
CRT PANEL
POWER SUPPLY
LINE DEFLECTION
FRAME DEFLECTION
TUNER IF
AV I/O
AUDIO / VIDEO
VIDEO IF SOUND IF
CPU CONTROL
AUDIO AMPLIFIER
EN 4 SK4.0A CA2.
MechanicalInstructions
Circuit
Diagrams
Circuit Diagrams and PWB Layouts
SK4.0A CA
3.
5
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