Sanyo DP42849 - 42" LCD TV, Service Manual

Specifications 

POWER RATING . . . . . . . . . . . . . . . . . . . . . . . . .  120VAC

216 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1012mm
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  704mm
DEPTH INCLUDING BASE . . . . . . . . . . . . . . . . 307mm

REFERENCE No. 

SM

780157

DP42849, N7AE, PRODUCT CODE 113018204

FILE NO.

SERVICE MANUAL

Remote Control Digital
Color Television

DP42849

(U.S.A.)

(CANADA)

ORIGINAL VERSION

Chassis No. P42849-00

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  . . . . . . 21
BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 24
BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 25
IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . 26
TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . . . . 32
CONTROL PORT FUNCTIONS. . . . . . . . . . . . . . . . . . . . 35
MAIN SHEET BLOCK DIAGRAM & PERIPHERICALS. . 37
SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
IC, DIODE, AND TRANSISTOR PIN LAYOUTS. . . . . . . 39
PC BOARD CONNECTIONS AND LOCATIONS . . . . . . 40
CAPACITOR AND RESISTOR CODE CHART . . . . . . . . 41
SCHEMATIC DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . 42

© Sanyo Manufacturing Corporation 2009