Table Of Contents - Sanyo DP32640 Troubleshooting Manual

S M
ERVICE ANUAL
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 . . . . . . 19
BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 22
BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 23
IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . 24
TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . . . . 30
CONTROL PORT FUNCTIONS. . . . . . . . . . . . . . . . . . . . 33
ZORAN 772 PERIPHERICALS . . . . . . . . . . . . . . . . . . . . 35
SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
IC, DIODE, AND TRANSISTOR PIN LAYOUTS. . . . . . . 37
PC BOARD CONNECTIONS AND LOCATIONS . . . . . . 38
CAPACITOR AND RESISTOR CODE CHART . . . . . . . . 39
SCHEMATIC DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . 40
DP32640, N8LE, PRODUCT CODE 113023404
Remote Control Digital
Color Television
FILE NO.
DP32640
ORIGINAL VERSION
Chassis No. P32640-00
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.
Specifications
POWER RATING . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
ANTENNA INPUT IMPEDANCE. . . . . . . . . . . . . . . . . 75Ω
RECEIVING CHANNEL . . . . . . . . . . . . . . . . . 2 - 13 (VHF),
REMOTE READY. . . . . . . . . 36 KEY REMOTE CONTROL
SOUND OUTPUT. . . . . . . . . . . . . . . . . . . . . . . . 7.0 W/CH
INTERMEDIATE FREQUENCY
PICTURE IF CARRIER . . . . . . . . . . . . . . . . . . 45.75MHz
SOUND IF CARRIER . . . . . . . . . . . . . . . . . . . 41.25MHz
COLOR SUB CARRIER . . . . . . . . . . . . . . . . . 42.17MHz
CABINET DIMENSIONS
WIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mm
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 559mm
DEPTH INCLUDING BASE . . . . . . . . . . . . . . . . 241mm
REFERENCE No. SM780169
(U.S.A.)
(CANADA)
122W (AVG.)
UHF/VHF/CATV
DIGITAL
14 - 69 (UHF),
01, 14-94, 95-135 (CATV)
1-135 (DIGITAL)