Panasonic CT-32SC13-1G, Service Manual

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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 . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Leadless chip component
(surface mount) . . . . . . . . . . . . . . . . . 5
Component removal . . . . . . . . . . . . . . . . 5
Chip component installation . . . . . . . . . . 5
How to replace Flat IC . . . . . . . . . . . . . . . 5
Horizontal oscillator disable circuit . . . . . 6
Receiver feature table . . . . . . . . . . . . . . . . . . . . 7
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
Speakers . . . . . . . . . . . . . . . . . . . . . . . . 11
Keyboard push button assembly . . . . . . 11
Disassembly for CRT replacement . . . . 11
CRT replacement . . . . . . . . . . . . . . . . . 11
Back cover removal . . . . . . . . . . . . . . . . . . . . . 13
Chassis service adjustment procedures . . . . 14
140.0V B+ Voltage confirmation . . . . . . 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 . . . . . . 16
Purity adjustment. . . . . . . . . . . . . . . . . . 16
Final convergence procedure . . . . . . . . 16
Dynamic corvergence adjustment . . . . . 16
DY(YHC, YV, XV) adjustment . . . . . . . . 16
YV Adjustment (VR1 for
Horizontal dynamic convergence). . 16
YH Adjustment (VR2 for
vertical dynamic convergence) . . . . 17
XV Adjustment
(precise adjustment) . . . . . . . . . . . . 17
Permalloy convergence corrector
strip (part No. 0FMK014ZZ) . . . . . . 17
DAF adjustment. . . . . . . . . . . . . . . . . . . 17
Service mode (electronic controls). . . . . . . . . 19
Quick entry to service mode . . . . . . . . . 19
To toggle between aging and
service modes . . . . . . . . . . . . . . . . . 19
Exiting the service mode . . . . . . . . . . . . 19
To check colors . . . . . . . . . . . . . . . . . . . 19
Entering service mode
(open-back method) . . . . . . . . . . . . 19
To check purity . . . . . . . . . . . . . . . . . . . 21
Instructional flow chart for service mode 22
Service adjustments (electronic controls) . . . 24
Sub-Contrast adjustment . . . . . . . . . . . . 24
Sub-Brightness (BRIGH) . . . . . . . . . . . . 24
Tint/Color adjustment . . . . . . . . . . . . . . 24
Tint/Color adjustment
(No rainbow pattern) . . . . . . . . . . . . 25
Color temperature adjustment
(B/W Tracking) . . . . . . . . . . . . . . . . 25
Complete adjustment. . . . . . . . . . . . . . . 25
Horizontal centering (H-POS) . . . . . . . . 26
Horizontal width adjustment (H-WIDTH) 26
Horizontal trapezoid
adjustment (HTRAP) . . . . . . . . . . . . 26
Parallelogram adjustment (R524) . . . . . 26
East west PCC balance
adjustment (SIDE). . . . . . . . . . . . . . 26
Vertical linearity adjustment (V-C) . . . . . 27
Vertical correction adjustment (V-S) . . . 27
Vertical size and vertical position
adjustment (VEAMP & VRAS) . . . . 27
PCC adjustment (PCC) . . . . . . . . . . . . . 27
Corner PCC adjustment
(TOPG, TOPSL, BTMG, BTMSL) . . 27
MTS circuit adjustments . . . . . . . . . . . . 28
Input level adjustment (MTSIN) . . . . . . . 28
Stereo separation adjustment
(SEPAL & SEPAH) . . . . . . . . . . . . . 28
Clock adjustment (CLOCK) . . . . . . . . . . 28
Service adjustments
(mechanical controls) . . . . . . . . . . . 28
Focus (part of T551) . . . . . . . . . . . . . . . 28
Audio signal path block diagram . . . . . . . . . . 29
Video signal path block diagram . . . . . . . . . . 30
Description of connectors . . . . . . . . . . . . . . . . 31
Component identification . . . . . . . . . . . . . . . . 33
Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Schematics, voltages and waveforms
A-Board schematic. . . . . . . . . . . . . . . . . . . . 50
A-Board voltages . . . . . . . . . . . . . . . . . . . . . 54
D-Board schematic. . . . . . . . . . . . . . . . . . . . 56
D-Board voltages . . . . . . . . . . . . . . . . . . . . . 59
A-Board waveforms . . . . . . . . . . . . . . . . . . . 60
G-Board schematic . . . . . . . . . . . . . . . . . . . 62
G-L-Board voltages . . . . . . . . . . . . . . . . . . . 65
L-Board schematic . . . . . . . . . . . . . . . . . . . . 66
A-Board pcb . . . . . . . . . . . . . . . . . . . . . . . . . 68
D-Board pcb . . . . . . . . . . . . . . . . . . . . . . . . . 70
G-Board pcb. . . . . . . . . . . . . . . . . . . . . . . . . 72
L-Board pcb . . . . . . . . . . . . . . . . . . . . . . . . . 74