Panasonic CT-1388YD

-3-
Importantsafetynotice................... 2
Safetyprecautions................. 2
Generalguidelines................. 2
Leakage current cold check . . . . . . . . . . 2
Leakage current hot check . . . . . . . . . . . 2
X-rayradiation .................... 2
High voltage (CRT anode) . . . . . . . . . . . 2
Servicenotes........................... 4
Surface mount chip component . . . . . . . 4
Componentremoval................ 4
Chip component installation . . . . . . . . . . 4
HowtoreplaceFlat-IC.............. 4
Receiverfeaturetable.................... 6
Locationofcontrols(receiver)............. 8
Disassemblyforservice................. 10
Backcover...................... 10
A-Board - main chassis (may vary) . . . 10
C-Board-CRToutput.............. 10
Speakers ....................... 10
Keyboard push button assembly . . . . . 10
Disassembly for CRT replacement. . . . 10
CRTreplacement..................11
Backcoverdisassembly............ 12
Main components location . . ............. 13
Chassis service adjustment procedures. . . . 15
130.0V B+ voltage confirmation . . . . . . 15
SourcevoltageChart.............. 15
Highvoltagecheck................ 15
Purity and convergence procedure . . . . . . . . 16
Service adjustments (electronic controls) . . 27
Sub-Contrast .................... 27
Sub-Brightness................... 27
Tint/Coloradjustment.............. 27
Whitebalance.................... 28
Sub-Brightness final adjustment. . . . . . 29
Horizontalcentering............... 29
Verticalsize ..................... 29
MTScircuitadjustments............ 29
Input level adjustment
(stereo models only). . . . . . . . . . . . 29
Stereo separation adjustment
(stereo models only). . . . . . . . . . . . 30
Clockadjustment................. 30
Service adjustments (mechanical controls) . 30
Focus(partofT551)............... 30
Audiosignalpathblockdiagram.......... 31
Videosignalpathblockdiagram.......... 32
Partslist.............................. 33
A-Boardlayout.......................... 47
A-BoardschematicleftCT-1388YD.......... 48
A-BoardschematicrightCT-1388YD ........ 49
A-BoardschematicleftCT-1389VYD ........ 50
A-BoardschematicrightCT-1389VYD....... 51
A-BoardschematicleftCT-2088YD.......... 52
A-BoardschematicrightCT-2088YD ........ 53
A-BoardschematicleftCT-2089VYD ........ 54
A-BoardschematicrightCT-2089VYD....... 55
A-BoardschematicleftCT-2788YD.......... 56
A-BoardschematicrightCT-2788YD ........ 57
A-BoardschematicleftCT-2789VYD ........ 58
A-BoardschematicrightCT-2789VYD....... 59
X-Boardschematic13”&20”voltages ....... 60
X-BoardschematicCT-2788YDvoltages ..... 61
X-BoardschematicCT-2789VYD ........... 62
C-Board schematic 20” & 27”,
layoutandvoltages................... 63
C-Board schematic 13”, voltages;
H-Boardschematic&layout............ 64
G-Boardschematic13”&20”,layout ........ 65
G-Boardschematic27”................... 66
A-Boardvoltagesandwaveforms........... 67