Text preview for : CTV2002.pdf part of TOSHIBA CTV2002 TOSHIBA LCD Proj 50WH18P 50WH18P 42WH18P CTV2002.pdf



Back to : CTV2002.pdf | Home

TOSHIBA
European Service Centre




TOSHIBA
Technical Training Department

Presents the:


CTV 2002 Large Screen
TV Course

See our websites at
http://tesc.toshiba.co.uk
for up to the minute technical bulletins,
training course dates and venues
or
http://www.home-entertainment.toshiba.co.uk
for spec sheets and sales info
TOSHIBA
European Service Centre




AGENDA
Model Identification and Features
Operation And Installation 50PH18P
Service Mode & Design Mode 50PH18P
Circuit Description 50PH18P
Practical 50PH18P
Q&A
End
TOSHIBA
European Service Centre




CTV2002
New Features introduced on
some models include:
Component Video inputs

Easy-link (NexTView) connection

Improved Digital Frame Scan (DFS) module

Degauss operation from standby
TOSHIBA
European Service Centre


Projection TV 2002

Model Aspect Chassis Scan S. Man Supplement Clone
40PW13B/G 16:9 C9PJ 50 030-200103
42WH18P 16:9 C01P 100 030-200115
42WH18B 16:9 C01P 100 030-200115 033-200116 42WH18P
42PW23P 16:9 C01P 50 030-200204
43VJ13P 4:3 VJ13 50 030-200117
43PH14P 4:3 C01P 100 030-200108
43PH14Q 4:3 C01P 100 030-200108 033-200203 43PH14P
50WH18P 16:9 C01P 100 030-200115
50WH18B 16:9 C01P 100
50PH18P 4:3 C01P 100 030-200110
50VJ23P 4:3 C02P 50 030-200117 033-200207 43VJ13P
57WH18P 16:9 C01P 100 030-200115 030-200118 42WH18P
61PH18P 4:3 C01P 100 030-200114
42/50WH18B 42/50/57WH18P
43VJ13P
40PW13B




42PW23P 50/61PH18P


43PH14P/Q
TOSHIBA
European Service Centre




Direct View TV 2002

Model Aspect Chassis Picture S. Man Supplement Clone
32ZP18Q 16:9 C00S ** 030-200105 033-200205 32ZP18P
36ZP18Q 16:9 C00S ** 030-200105 033-200201 36ZP18P
32Z13B/G 16:9 Z13B ** 030-200112
28Z13B/G 16:9 Z13B ** 030-200107
32Z17B 16:9 C00S ** 030-200102
32/36ZP28P 16:9 C00S ** 030-200105 033-200202 32/36ZP18P
32ZD16G 16:9 C00S ** 030-200005 32ZD06B/G
32/36ZP18Q 32/36ZP28P




32ZD16B/G
28/32Z13B




32Z17B
TOSHIBA
European Service Centre




Operation/Service Mode &
Convergence

50PH18P Service Manual Pages 10 - 27
TOSHIBA
European Service Centre




Sync Sep
TOSHIBA
European Service Centre




Q402
H Drive

Line & Field Deflection

Audio Block

Video Block

Microprocessor
TOSHIBA
European Service Centre




Line and Field Deflection Block 100hz / 31.25khz

X-ray protect

Beam limiter
+200v
Line Osc Q402 Q404
Crt heaters
Line Drive Output
Line
Q510 Scan
Coils

Field
Q302 Q301
Field Osc Scan
Field Drive Output
Coils
TOSHIBA
European Service Centre


Data Block

SCL/SDA 0 EEPROMS QA02 1/C5
56,54
QA61-3

SCL/SDA1 H001 Tuner 1/A1
7,8
QV01 A/V Switch 1/H3
I2C
Buffer
Q510 VCD 1/G12
QA01 QB81-3
QZ01 Comb 1/J6
Main QB92-6
Q501 MCD 1/J9
Micro (1/D10)
Q502 Buffer 1/J12
U105 DFS 9/All
SCL/SDA2 U104 Text 1/F7
Q302 Defl 2/F7
Q767 Conv 2/E2

SCLK/ SDAT/ CS
43,42,41 QR01 OSD Gen 1/D5
TOSHIBA
European Service Centre



Audio Block
TV
Audio


Ext 1 QV01 H002
A/V Output
input Nicam
Switch Stage
Module
and
Ext 2 Speakers
1/A3
input 1/G4

Ext 3
input

Mute
Optical DA 1 Bitstream 1/B13
Input
Coax DA2 1/L2
TOSHIBA
European Service Centre

Ext1 Ext2 Ext3 Video block
TV
CVBS CVBS CVBS Conv
CVBS
no Y/C Y/C Y/C Data



A/V Text RGB
switch Module switch




Comb CRT
Q501 Q502 DFS Q510
Filter bases

Ext 1
RGB On
Screen
Component
Displays
Input
Phono
50HZ 15625 kHZ 100HZ 31250 kHZ
connectors
Digital Frame Scan (DFS) Block Diagram
QX11 QX03 32 MHz
15 Y Filter Amp A-D Converter
Write Oscillator


QX01 QX02

Micro & D-A Conv.
13 U Filter Amp


SGRAM
Switching QX12
A-D Memory
Circuit
Convert
D-A
Convert

11 V Filter Amp
Y
9 Y Filter Amp
QX03 64 MHz
U Read Oscillator
7 U Filter Amp

V
5 V Filter Amp
TOSHIBA
European Service Centre




C01P Chassis
Signal Path (Video & Audio)
Based on 50PH18P
Schematic (1/9)
TOSHIBA
European Service Centre Grid Ref A1 & 2

Tuner IF
TOSHIBA
European Service Centre




Tuner and IF Module H001

Tuning range "P" version Ch21