Filter
Top Products
- 3 -
Important Safety Notice . . . . . . . . . . . . . . . . . . 2
Safety Precautions . . . . . . . . . . . . . . . . . 2
General Guidelines. . . . . . . . . . . . . . . . . 2
Leakage Current Cold Check . . . . . . . . . 2
X-ray Radiation. . . . . . . . . . . . . . . . . . . . 2
Horizontal Oscillator
Disable Circuit Test . . . . . . . . . . . . . 2
Service Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Leadless Chip Component
(surface mount) . . . . . . . . . . . . . . . . 4
Component Removal . . . . . . . . . . . . . . . 4
Chip Component Installation . . . . . . . . . 4
How to Replace Flat-IC . . . . . . . . . . . . . 4
Horizontal Oscillator Disable Circuit . . . . 5
Receiver Feature Table . . . . . . . . . . . . . . . . . . . 6
Location of Controls (Receiver). . . . . . . . . . . . 7
Quick Reference Control Operation . . . . 7
Quick Reference. . . . . . . . . . . . . . . . . . . 7
Control Operation . . . . . . . . . . . . . . . . . . 7
Location of Controls (Remote). . . . . . . . . . . . . 8
Disassembly for Service. . . . . . . . . . . . . . . . . . 9
Back Cover. . . . . . . . . . . . . . . . . . . . . . . 9
A-Board - Main Chassis . . . . . . . . . . . . . 9
L-Board - CRT Output . . . . . . . . . . . . . . 9
Speakers . . . . . . . . . . . . . . . . . . . . . . . . 9
Keyboard Push Button Assembly . . . . . . 9
Disassembly for CRT Replacement . . . . 9
CRT Replacement . . . . . . . . . . . . . . . . . 9
Back Cover Removal . . . . . . . . . . . . . . 11
Chassis Service Adjustment Procedures . . . 12
140.0V B+ Voltage Confirmation . . . . . 12
Source Voltage Chart . . . . . . . . . . . . . . 12
High Voltage Check . . . . . . . . . . . . . . . 12
Purity and Convergence Procedure . . . . . . . 13
When the CRT or the Yoke is Replaced 13
Initial Center Static Convergence . . . . . 14
Purity Adjustment . . . . . . . . . . . . . . . . . 14
Dynamic Corvergence Adjustment. . . . 14
DY(YHC, YV, XV) Adjustment . . . . . . . 14
Permalloy Convergence Corrector
Strip (Part No. 0FMK014ZZ) . . . . . 15
DAF Adjustment . . . . . . . . . . . . . . . . . . 15
Serviceman Mode (Electronic Controls) 17
Exiting the Serviceman Mode. . . . . . . . 17
Entering Serviceman
Mode (Back-Open Method) . . . . . . 23
Instructional Flow Chart for
Serviceman Mode . . . . . . . . . . . . . . . . . . . 24
Service Adjustments
(Electronic Controls). . . . . . . . . . . . . . . . . 27
Sub-Contrast Adjustment . . . . . . . . . . . 27
Sub-Brightness (B02) . . . . . . . . . . . . . . 27
Tint/Color Adjustment . . . . . . . . . . . . . . 27
PIP Sub-Contrast Adjustment (P03). . . 28
Color Temperature Adjustment. . . . . . . 28
Complete Adjustment . . . . . . . . . . . . . . 28
Horizontal Centering (D00). . . . . . . . . . 29
E-W PCC Adjustment (D0C). . . . . . . . . 29
Corner PCC Adjustment (D0B). . . . . . . 29
H-Size Adjustment (D0D) . . . . . . . . . . . 29
V-Size and V-Position Adjustment
(D01 & D06) . . . . . . . . . . . . . . . . . . 29
V-Linearity Adjustment (D03) . . . . . . . . 29
V-Correction Adjustment (D02). . . . . . . 30
MTS Circuit Adjustments . . . . . . . . . . . 30
Input Level Adjustment (M00). . . . . . . . 30
Stereo Separation Adjustment
(M01 & M02) . . . . . . . . . . . . . . . . . 30
Clock Adjustment (S07) . . . . . . . . . . . . 31
Service Adjustments
(Mechanical Controls) 31
Focus (part of T551) . . . . . . . . . . . . . . . 31
Audio Signal Path Block Diagram . . . . . . . . . 32
Video Signal Path Block Diagram . . . . . . . . . 33
IIC Connection . . . . . . . . . . . . . . . . . . . . . . . . . 34
Description of Connectors . . . . . . . . . . . . . . . 35
IC101 IN/OUT Pins and Functions (VCJ) . . . . 36
Component Identification . . . . . . . . . . . . . . . . 37
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Schematics, Voltages and waveforms
L-Board Voltages,
PCB & schematics . . . . . . . . . . . . . . . . . 53
A-Board (Left Portion) . . . . . . . . . . . . . . . . . 54
A-Board (Right Portion). . . . . . . . . . . . . . . . 55
A-Board PCB. . . . . . . . . . . . . . . . . . . . . . . . 56
A-Board Voltages . . . . . . . . . . . . . . . . . . . . 57
D-Board schematics . . . . . . . . . . . . . . . . . . 58
D-Board PCB & voltages. . . . . . . . . . . . . . . 59
G-Board schematics . . . . . . . . . . . . . . . . . . 60
G-Board PCB & voltages . . . . . . . . . . . . . . 61
A-Board Waveforms . . . . . . . . . . . . . . . . . . 62