Page 22
5-3. BLOCK DIAGRAM AND SCHEMATICS BLOCK DIAGRAM ANTENNA BLOCK TU101 R OUT AUDIO SWITCH L OUT IC201 V1-L VCC 5V V2-L VCC 9V VCC 30V +30V MUTE VIDEO OUT AFT OUT CLOCK RF AGC Q252 J201 VIDEO REAR A/V TO V1-L (INPUT) AUDIO TO V1-R...
Page 25
A BOARD IC VOLTAGE LIST IC001 VOLT -0.1 -0.3 IC002 VOLT A BOARD IC BLOCK DIAGRAMS IC521: NJM4558M-TE2 IC201 VOLT IC003 VOLT IC301 VOLT IC004 VOLT IC200 VOLT IC541: AN5522 — 25 — IC401 VOLT 12.6 IC521 VOLT All Voltages are in V 12.9 IC541 VOLT...
Page 26
IC301: CXA2133BS <FSC SW> DEMOD CVCO <HUE> CHROMA COLOR KILLER ACC DET. <<KILLER ID OFF>> <C BPF> ACC AMP CHROMA TV/C2 IN CHROMA SW TRAP+EQ <TRAP OFF> C1 IN Y SW CVBS2/Y2 IN 41 COUNTDOWN CVBS1/Y1 IN V SYNC SEP <CD MODE>...
Page 28
C BOARD SCHEMATIC DIAGRAM — — TO A BOARD T504 FV — C1752 CN1753 0.0047 TO A BOARD T504 G2 R1761 200V — — 200V CN1752 R OUT :S-MICRO TP47R — TO A BOARD CN301 TO A BOARD CN502 N.C. 200V —...
Page 29
[RGB DRIVE, CRT DRIVE] — — — C BOARD WAVEFORMS 148.4V p-p (H) C BOARD IC VOLTAGE LIST IC1751 118.8V p-p (H) 122.5V p-p (H) VOLT 193.4 146.5 133.8 134.9 — 29 — KV-20S90 / 21SE43C...
Page 46
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. To reduce the risk of electric shock, do not use this polarized plug with an extension cord, receptacle, or other outlet unless the blades can be fully inserted to prevent blade exposure. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION RISQUE DE CHOC ELECTRIQUE,...
Page 50
Never cover the slots and openings with a cloth or other materials. Never block the slots and openings by placing the set on a bed, sofa, rug or other similar surface. Never place the set in a confined space, such as a bookcase, or built-in cabinet, unless proper ventilation is provided.
Page 51
GROUND CLAMP ELECTRIC SERVICE EQUIPMENT POWER SERVICE GROUNDING ELECTRODE SYSTEM NEC - NATIONAL ELECTRIC CODE (NEC ARTICLE 250, PART H) ANTENNA LEAD IN WIRE ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS...
Page 52
When the power cord or plug is damaged or frayed. If liquid has been spilled into the set or objects have fallen into the product. If the set has been exposed to rain or water. If the set has been subject to excessive shock by being dropped, or the cabinet has been damaged.
Page 59
Operating Instructions Rear of TV Video (yellow) Audio L (white) Audio R (red)
Page 60
Connecting Your TV Cable Box Rear of TV...
Page 61
Operating Instructions Cable Box Rear of TV...
Page 62
Connecting Your TV A/V output Front A/V Panel Front A/V Panel VIDEO -AUDIO-R (MONO) VIDEO INPUT...
Page 64
Using the Remote Control and Basic Functions This section shows you how to use more advanced buttons on the remote control and how to use the on-screen menus. Button MUTING POWER SLEEP JUMP ENTER MENU RESET SELECT RM-Y155 Description...
Page 80
No picture, no sound Poor or no picture, good sound Good picture, no sound No color Only snow appears on the screen Dotted lines or stripes Double images or ghosts Other Information MUTING...
Page 81
Operating Instructions Cannot receive higher number channels (UHF) when using an antenna Cable stations don’t seem to work Remote control does not operate The TV needs to be cleaned Lost password for PARENTAL CONTROL You lost your remote control...
Page 82
Other Information For all models (except as noted KV-13M42 KV-20M42, KV-20S90...
The PDF of this service manual is not designed to be printed from cover to cover. The pages vary in size, and must therefore be printed in sections based on page dimensions. NON-SCHEMATIC PAGES Data that does NOT INCLUDE schematic diagrams are formatted to 8.5 x 11 inches and can be printed on standard letter-size and/or A4-sized paper. SCHEMATIC DIAGRAMS The schematic diagram pages are provided in two ways, full size and tiled.
Page 93
All of the text within the service manual PDF is content searchable. This means that you can enter any text, word, phrase or reference number that appears in the manual, and the PDF software will search, fi nd and move the cursor to the location where you requested text fi rst appears. This feature can be particularly useful in locating components on a specifi...
Page 94
HISTORY INFORMATION FOR THE FOLLOWING MANUAL: MODEL NAME KV-20S90 KV-21SE43C ORIGINAL MANUAL ISSUE DATE: 4/2001 ANY REVISIONS AND UPDATES TO THE ORIGINAL MANUAL ARE APPENDED TO THE END OF THE PDF FILE. REVISION DATE REVISION TYPE 4/2001 No revisions or updates applicable at this time 9-965-905-01 REMOTE COMMANDER DESTINATION...