- 4 -
Important Safety Notice . . . . . . . . . . . . . . . . . . . 2
Safety Precautions . . . . . . . . . . . . . . . . 2
General Guidelines . . . . . . . . . . . . . . . . . 2
Leakage Current Cold Check . . . . . . . . . 2
Leakage Current Hot Check . . . . . . . . . . 2
X-ray Radiation . . . . . . . . . . . . . . . . . . . . 2
Horizontal Oscillator Disable
Circuit Test . . . . . . . . . . . . . . . . . . . . 2
Service Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Leadless Chip Component
(surface mount) . . . . . . . . . . . . . . . . . . . . 3
Component Removal. . . . . . . . . . . . . . . . 3
Chip Component Installation . . . . . . . . . . 3
How to Replace Flat-IC . . . . . . . . . . . . . . 3
Horizontal Oscillator Disable Circuit . . . . 6
Receiver Feature Table . . . . . . . . . . . . . . . . . . . 7
Board Designation . . . . . . . . . . . . . . . . . . . . . . . 8
Location of Controls (Receiver) . . . . . . . . . . . . 9
Quick Reference Control Operation . . . . 9
Location of Controls (Remote) . . . . . . . . . . . . 10
Disassembly for Service . . . . . . . . . . . . . . . . . 11
Back Cover . . . . . . . . . . . . . . . . . . . . . . 11
A-Board . . . . . . . . . . . . . . . . . . . . . . . . . 11
L-Board . . . . . . . . . . . . . . . . . . . . . . . . . 11
H-Board . . . . . . . . . . . . . . . . . . . . . . . . . 11
AG-Board. . . . . . . . . . . . . . . . . . . . . . . . 11
DG-Board . . . . . . . . . . . . . . . . . . . . . . . 11
Q-Board . . . . . . . . . . . . . . . . . . . . . . . . . 11
P-Board . . . . . . . . . . . . . . . . . . . . . . . . . 11
G-Board . . . . . . . . . . . . . . . . . . . . . . . . . 11
Speakers . . . . . . . . . . . . . . . . . . . . . . . . 12
Disassembly for CRT Replacement . . . . . . . . 12
CRT Replacement . . . . . . . . . . . . . . . . . 12
Back Cover Removal . . . . . . . . . . . . . . . . . . . . 13
Chassis Service Adjustment Procedures . . . 14
140.0V B2+ Voltage Check . . . . . . . . . . 14
Source Voltage Chart . . . . . . . . . . . . . . 14
High Voltage Check . . . . . . . . . . . . . . . . 14
Purity and Convergence Procedure . . . . . . . . 15
When the CRT or the Yoke
is Replaced . . . . . . . . . . . . . . . . . . . 15
Vertical Raster Shift Adjustment . . . . . . 15
Initial Center Static Convergence . . . . . 15
Purity Adjustment . . . . . . . . . . . . . . . . . 15
Final Convergence Procedure . . . . . . . . 15
Dynamic Corvergence Adjustment . . . . 15
DY(YHC, YV, XV) Adjustment . . . . . . . . 15
YV Adjustment (VR1 for
Horizontal dynamic convergence) . 15
YH Adjustment (VR2 for Vertical
dynamic convergence) . . . . . . . . . . 15
XV Adjustment(precise adjustment) . . 156
Permalloy Convergence Corrector
Strip (Part No. 0FMK014ZZ) . . . . . . 17
DAF Adjustment . . . . . . . . . . . . . . . . . . 17
Serviceman Mode (Electronic Controls) . . . . 19
Quick Entry to Serviceman Mode . . . . . 19
To toggle between Aging and
Serviceman modes . . . . . . . . . . . . . 19
Exiting the Serviceman Mode . . . . . . . . 19
To Check Purity . . . . . . . . . . . . . . . . . . . 19
Entering Serviceman Mode
(Back-Open Method). . . . . . . . . . . . 19
Service Adjustment Values . . . . . . . . . . . . . . . 20
Instructional Flow Chart for
Serviceman Mode . . . . . . . . . . . . . . 22
Service Adjustments
(Electronic Controls) . . . . . . . . . . . . . . . . . 24
Sub-Brightness . . . . . . . . . . . . . . . . . . . 24
Sub-Contrast . . . . . . . . . . . . . . . . . . . . . 24
Color Output Adjustment . . . . . . . . . . . . 24
Color Temperature Adjustment
(B/W Tracking) . . . . . . . . . . . . . . . . 25
Complete Adjustment . . . . . . . . . . . . . . 25
Deflection Adjustments . . . . . . . . . . . . . 26
H Center Adjustment . . . . . . . . . . . . . . . 26
Vertical Linearity(V-C), V-Size
and V-Position Adjustment . . . . . . . 26
V-S, V-Size Adjustment . . . . . . . . . . . . . 26
Trapezoid Adjustment . . . . . . . . . . . . . . 26
Parallelogram Adjustment . . . . . . . . . . . 27
E-W PCC Balance Adjustment . . . . . . . 27
E-W PCC Adjustment . . . . . . . . . . . . . . 27
Corner PCC Adjustment . . . . . . . . . . . . 27
H-Size Adjustment . . . . . . . . . . . . . . . . . 27
MTS Circuit Adjustments . . . . . . . . . . . . 28
Input Level Adjustment . . . . . . . . . . . . . 28
Stereo Separation Adjustment
(SEPAH) . . . . . . . . . . . . . . . . . . . . . 28
Sub Picture YUV output adjustment . . . 29
Clock Adjustment (CLOCK) . . . . . . . . . . 29
Service Adjustments
(Mechanical Controls) . . . . . . . . . . . . . . . . 30
Width Correction Adjustment . . . . . . . . . 30
Focus (part of T551) . . . . . . . . . . . . . . . 30
Содержание CT32HX40B - 32" COLOR TV
Страница 58: ... 58 CT 32HX40BM CT 36HX40BM A Board Schematic Left Portion ...
Страница 60: ... 60 CT 32HX40BM CT 36HX40BM A Board Layout ...
Страница 62: ... 62 CT 32HX40B CB CT 36HX40B CB D Board Schematic Left Portion ...
Страница 64: ... 64 CT 32HX40B CB CT 36HX40B CB D Board Layout ...
Страница 67: ... 67 CT 32HX40B CB CT 36HX40B CB P Q Board Layouts P Board Layout Q Board Layout ...
Страница 70: ... 70 CT 32HX40B CB CT 36HX40B CB AG Board Layouts AG Board Layout Bottom View AG Board Layout Top View ...
Страница 71: ... 71 CT 32HX40B CB CT 36HX40B CB H Board Layout H Board Layout ...
Страница 76: ... 76 Printed in USA K00112218PL1110 ...