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Specifications
POWER RATING . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
180 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. . . . . . . . . 32 KEY REMOTE CONTROL
SOUND OUTPUT. . . . . . . . . . . . . . . . . . . . . . . . 5.0 W/CH
INTERMEDIATE FREQUENCY
PICTURE IF CARRIER . . . . . . . . . . . . . . . . . . 45.75MHz
SOUND IF CARRIER . . . . . . . . . . . . . . . . . . . 41.25MHz
COLOR SUB CARRIER . . . . . . . . . . . . . . . . . 42.17MHz
CABINET DIMENSIONS
WIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 939mm
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 694mm
DEPTH INCLUDING BASE . . . . . . . . . . . . . . . . 257mm
REFERENCE No.
SM
780162
DP37649, N4PL, PRODUCT CODE 113018204
FILE NO.
SERVICE MANUAL
Remote Control Digital
Color Television
DP37649
(U.S.A.)
(CANADA)
ORIGINAL VERSION
Chassis No. P37649-00
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 . . . . . . 24
BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 27
BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 28
IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . 29
TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . . . . 37
CONTROL PORT FUNCTIONS. . . . . . . . . . . . . . . . . . . . 40
SIGNAL FLOW CHARTS . . . . . . . . . . . . . . . . . . . . . . . . 42
SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
IC, DIODE, AND TRANSISTOR PIN LAYOUTS. . . . . . . 51
PC BOARD CONNECTIONS AND LOCATIONS . . . . . . 52
CAPACITOR AND RESISTOR CODE CHART . . . . . . . . 53
SCHEMATIC DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . 54
© Sanyo Manufacturing Corporation 2009
Summary of Contents for DP37649
Page 29: ... 29 IC BLOCK DIAGRAMS IC001 Audio AMP IC1251 Video and Audio Select ...
Page 30: ... 30 IC BLOCK DIAGRAMS CONT IC1600 DC to DC Converter ...
Page 31: ... 31 IC1650 DC to DC Converter ...
Page 32: ... 32 IC BLOCK DIAGRAMS CONT IC5500 Screen Controller and video processor ...
Page 33: ... 33 IC5700 DDR Double Data Rate SDRAM ...
Page 34: ... 34 IC BLOCK DIAGRAMS CONT IC3200 Audio Controller IC6270 Audio A D ...
Page 35: ... 35 IC6400 LVDS Transmitter IC5900 Voltage detecting delay circuit ...
Page 36: ... 36 IC BLOCK DIAGRAMS CONT IC1670 DC to DC Converter IC6504 HDMI Switch selector ...