Specifications
POWER RATING . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
464 W (AVG.)
ANTENNA INPUT IMPEDANCE. . . . . . . . . . . . . . . . . 75
Ω
UHF/VHF/CATV
DIGITAL
RECEIVING CHANNEL . . . . . . . . . . . . . . . . . 2 - 13 (VHF),
14 - 69 (UHF),
01, 14-94, 95-135 (CATV)
1-135 (DIGITAL)
REMOTE READY. . . . . . . . . 54 KEY REMOTE CONTROL
SOUND OUTPUT. . . . . . . . . . . . . . . . . . . . . . . 10.0 W/CH
INTERMEDIATE FREQUENCY
PICTURE IF CARRIER . . . . . . . . . . . . . . . . . . 45.75MHz
SOUND IF CARRIER . . . . . . . . . . . . . . . . . . . 41.25MHz
COLOR SUB CARRIER . . . . . . . . . . . . . . . . . 42.17MHz
CABINET DIMENSIONS
WIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1245mm
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 842mm
DEPTH INCLUDING BASE . . . . . . . . . . . . . . . . 360mm
REFERENCE No.
SM
780163
DP50749, J4FE, PRODUCT CODE 1-110-109-04
FILE NO.
SERVICE MANUAL
Remote Control Digital
Color Television
DP50749
(U.S.A.)
(CANADA)
ORIGINAL VERSION
Chassis No. P50749-00
NOTE:
Match the Chassis No. on
the unit’s back cover with
the Chassis No. in the
Service Manual.
If the Original Version
Service Manual Chassis
No. does not match the
unit’s,
additional Service
Literature is required. You
must
refer to “Notices” to the
Original Service Manual
prior to servicing the unit.
Servicing should be performed by only trained and qualified service personnel.
Contents
SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . 2
SERVICE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . 3
ON-SCREEN SERVICE MENU . . . . . . . . . . . . . . . . . . . . . 4
POWER FAILURE CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . 5
MECHANICAL DISASSEMBLY . . . . . . . . . . . . . . . . . . . . 6
CHASSIS ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . 8
COMPONENT AND TESTPOINT LOCATIONS . . . . . . 22
BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 25
BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 26
IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . 27
TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . . . . 33
CONTROL PORT FUNCTIONS. . . . . . . . . . . . . . . . . . . . 36
MAIN SHEET BLOCK DIAGRAM & PERIPHERICALS. . 38
SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
IC, DIODE, AND TRANSISTOR PIN LAYOUTS. . . . . . . 40
PC BOARD CONNECTIONS AND LOCATIONS . . . . . . 41
CAPACITOR AND RESISTOR CODE CHART . . . . . . . . 42
SCHEMATIC DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . 43
© Sanyo Manufacturing Corporation 2009
Summary of Contents for DP50749 - 50" Plasma TV
Page 3: ... 1 2 ...
Page 4: ... 4 ...
Page 31: ... 27 IC BLOCK DIAGRAMS IC001 Audio AMP ...
Page 32: ... 28 IC1660 DC to DC Converter IC BLOCK DIAGRAMS CONT IC801 EEPROM ...
Page 33: ... 29 IC1670 DC to DC Converter IC1640 DC to DC Converter ...
Page 34: ... 30 IC5500 Block Diagram IC BLOCK DIAGRAMS CONT ...
Page 35: ... 31 IC6601 USB Protection IC6300 Low output Amplifier ...
Page 36: ... 32 IC5700 DDR Double Data Rate SDRAM IC BLOCK DIAGRAMS CONT IC6502 I2C SELECTOR ...
Page 37: ... 33 TROUBLESHOOTING FLOW CHARTS NO POWER ...