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CT-1388YD
Panasonic CT-1388YD
70 pages
Manual
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-1
2-
Back
cove
r
disassembly
Figu
re
7.
B
ack
cover
removal
(20
”
tu
ner
model
)
•
2
screw
at
the
top
edge
•
1
screw
i
n
each
lo
wer
corner
•
6
scr
ew
by
the
A/V
board
IMPORT
ANT
After
ser
vicing
the
rec
eiver
,
remember
to
dress
the
cable
s
a
show
n
above.
11
13
Table of Contents
Main Page
Important Safety Notice
2
Safety Precautions
2
General Guidelines
2
Leakage Current Cold Check
2
Leakage Current Hot Check
2
X-Ray Radiation
2
High Voltage (CRT Anode)
2
Table of Contents
3
Service Notes
4
Surface Mount Chip Component
4
Component Removal
4
Chip Component Installation
4
How to Replace Flat-IC
4
Receiver Feature Table
6
Location of Controls (Receiver)
8
Disassembly for Service
10
Back Cover
10
A-Board - Main Chassis (May Vary)
10
C-Board - CRT Output
10
Speakers
10
Keyboard Push Button Assembly
10
Disassembly for CRT Replacement
10
CRT Replacement
11
Back Cover Disassembly
12
Main Components Location
13
Chassis Service Adjustment Procedures
15
B+ Voltage Confirmation
15
Source Voltage Chart
15
High Voltage Check
15
Purity and Convergence Procedure
16
Service Adjustments (Electronic Controls)
27
Sub-Contrast
27
Sub-Brightness
27
Tint/Color Adjustment
27
White Balance
28
Sub-Brightness Final Adjustment
29
Horizontal Centering
29
Vertical Size
29
MTS Circuit Adjustments
29
Input Level Adjustment
29
(Stereo Models Only)
29
Stereo Separation Adjustment (Stereo Models Only)
30
Clock Adjustment
30
Service Adjustments (Mechanical Controls)
30
Focus (Part of T551)
30
Audio Signal Path Block Diagram
31
Video Signal Path Block Diagram
32
Parts List
33
A-Board Layout
47
A-Board Schematic Left CT-1388YD
48
A-Board Schematic Right CT-1388YD
49
A-Board Schematic Left CT-1389VYD
50
A-Board Schematic Right CT-1389VYD
51
A-Board Schematic Left CT-2088YD
52
A-Board Schematic Right CT-2088YD
53
A-Board Schematic Left CT-2089VYD
54
A-Board Schematic Right CT-2089VYD
55
A-Board Schematic Left CT-2788YD
56
A-Board Schematic Right CT-2788YD
57
A-Board Schematic Left CT-2789VYD
58
A-Board Schematic Right CT-2789VYD
59
X-Board Schematic 13" & 20" Voltages
60
X-Board Schematic CT-2788YD Voltages
61
X-Board Schematic CT-2789VYD
62
C-Board Schematic 20" & 27", Layout and Voltages
63
C-Board Schematic 13", Voltages; H-Board Schematic & Layout
64
G-Board Schematic 13" & 20", Layout
65
G-Board Schematic 27
66
A-Board Voltages and Waveforms
67
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