PARKER TC1475, TC2175, TF2139 Schematic
COLOR TELEVISION
TC1475 / TC2175/ TF2139
TC1475 TC2175 TF2139
TC1475 / TC2175 / TF2139 1
Contents
Contents
1. BRIEF INTRODUCTION...................................................................2
2. ELECTRICAL SPECIFICATIONS.......................................................3
3. STRUCTURE BLOCK DIAGRAM.......................................................4
4. DIAGRAM SCHEMATIC TC1475 / TC2175 .....................................6
5. DIAGRAM SCHEMATIC TF2139......................................................7
6. DIAGRAM PICTORIC TC1475 / TC2175 ..........................................8
7. DIAGRAM PICTORIC F2139 ...........................................................9
8. EXPLODED VIEW TC1475 / TC2175................................................10
9. EXPLODED VIEW TF2139...............................................................11
10. DEFINITION & FUNCTION OF TMPA8873-XXXX PINS...................12
11. REMOTE CONTROL (KEY ASSIGNMENTS LIST).............................15
12. CIRCUIT ANALYSIS.....................................................................16
13. THE T08 CHASSIS MAINLY USE THE FOLLOWING IC AND
ASSEMBLIES ..............................................................................20
14. DESCRIPTIONS FOR THE OPERATION OF FACTORY MODE............21
15. ELECTRICAL PARTS LIST TC1475 ................................................24
16. ELECTRICAL PARTS LIST TC2175.................................................25
17. ELECTRICAL PARTS LIST TF2139 ................................................26
TC1475 / TC2175 / TF2139 2
Brief Introduction
Brief Introduction
1.
TMPA8873-XXXX is introduced in this chassis, controlled by I2C bus, implement
FS PLL tuning.
1、 FS tuning 45.75M. band adjustable
2、 Tuning in USA channel table by CATV/antenna.
3、 Auto tuning, frequency fine tuning, skip setting
4、 Color Sys: PAL-M\ PAL-N\ NTSC-M auto identified
5、 2 AV input, YUV input, AV1\AV2\DVD(YUV) input preset
6、 Switch program by numeric key directly,
7、 Picture mode: personal\dynamic\standard\soft, switched by one key
8、 Picture parameters adjustment: brightness\contrast\color\ sharpness\hue
9、 Mute control: mute when switch programs and AV
10、 Power on/off timer, program timer
11、 Auto power off 15 minutes later when no signal in TV mode
12、 special halftone menu display
13、 English\French\Spanish\Portuguese menu display
14、 8 self-detect signals generated by CPU for geometry distortion adjustment
15、 50HZ/60HZ auto identified
16、 Child lock(by press DISP button 4 seconds)
17、 AV stereo, 2 volume inner control
18、 Color and vertical position of main menu variable
19、 Factory logo setting when no signal
20、 TA1304/TA1343 tone control Plug-and-Play(25”~34”)
22、 Multifunctional RC unit（LA7461、TA9028、SC6122）may be efficiency or only
one be efficiency.
Designs and specifications are subject to change without notice.
WARNING
The chassis in this receiver is partially hot. Use an isolation
transformer between the line cord plug and power receptacle, when
servicing this chassis. To prevent electric shock, do not remove cover.
No user-serviceable parts inside. Refer servicing to qualified service
personnel.
TC1475 / TC2175 / TF2139 3
Electrical Specifications
Electrical Specifications
2.
Model Number
RF system PAL-M/N 、NTSC-M
Video system PAL-M/N 、NTSC-M
AIR
CATV（STD)
CATV（HRC)
Receiving
channel
CATV（IRC)
Channels preset 181
Antenna input 75 Ohm Coaxial Cable
Picture tube 37cm~ 86cm(14”~ 34”) diagonal
Audio output 14” 、 21”: Maximum 2.5W× 2
25” 、 29”、34”: Maximum 5W× 2
Power source AC90V~ 260V（OR AC130~ 260V）50/60Hz
Weight(Approx) 14”(11Kg), 21”(24Kg), 25”(30Kg),29”(38Kg)
Dimensions
(W× H× D) (Approx)
14” 450(W)× 410(D)× 378(H)mm
21” 580(W)× 515(D)× 520(H)mm
25” 750(W)× 528(D)× 560(H)mm
29” 840(W)× 570(D)× 650(H)mm
Power Consumption 14”=65W 21”=75W 25”=120W
29”=130W 34”=150W
TC1475 / TC2175 / TF2139
4
Structure Block Diagram
Structure Block Diagram
3.
AV1
AV2
12871NA/2257NA
A1 A2
S-AV y
Video Audio
S Y Cb Cr
CRT
SAWF
KEY
MATRIX
RECEIVEERMP
TC4053
AV SW
FBT
T471
LA78040/TDA9302
LA78041/TDA8177
TA9028-023/022
LA7461
SC6122
EEPROM
8K bit
2 in Chip
TMPA8873-XXXX
TA1304/TA1343
TDA1030
TDA1030
Tuner
TU201
BTSC
AN5832 or
LA72700
4053
Vout
Hout
SIF
TC1475 / TC2175 / TF2139
5
TMPA8873-XXXX Block Diagram
TMPA8873-XXXX Block Diagram
3.1.
TC1475 / TC2175 / TF2139 6
Diagram Schematic TC1475 / TC 2175
Diagram Schematic
4.
*Design and specifications are subject to change without notice.
TC1475 / TC2175 / TF2139 7
Diagram Schematic TF2139
Diagram Schematic
5.
*Design and specifications are subject to change without notice.
TC1475 / TC2175 / TF2139
8
Diagram Pictoric TC1475, TC2175
Diagram Pictoric
6.
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