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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