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AS
FILE NO.
SERVICE MANUAL
Remote Control Digital
Color Television
HT27547
(U.S.A.)
(CANADA)
ORIGINAL VERSION
Chassis No. 27547-02
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.
Contents
Safety Instructions . . . . . . . . . . . . . . . . . . 2
Service Adjustments . . . . . . . . . . . . 3 – 12
Service Hints . . . . . . . . . . . . . . . . . . . . . . 13
Mechanical Disassemblies. . . . . . . . . . . 14
Chassis Electrical Parts List . . . . . . 15 – 25
Cabinet Parts List . . . . . . . . . . . . . . . . . . 26
Component and Test Point
Locations . . . . . . . . . . . . . . . . . . . 27 – 30
Block Diagrams . . . . . . . . . . . . . . . . 31 – 35
Troubleshooting Flow Charts . . . . . 36 – 38
Control Port Function . . . . . . . . . . . . . . . 39
Schematic Inserts . . . . . . . . . . . . . . 41 – 48
Schematic Notes . . . . . . . . . . . . . . . . . 41
Waveforms. . . . . . . . . . . . . . . . . . 41 – 43
Pin Layouts. . . . . . . . . . . . . . . . . . 42 – 43
Capacitor and Resistor Codes . . 43 – 44
CRT Socket Board. . . . . . . . . . . . 45 – 46
Front Board . . . . . . . . . . . . . . . . . . . . . 45
AV Switching / Video Board . . . . 45 – 47
Main Board. . . . . . . . . . . . . . . . . . 46 – 48
Specifications
Power Rating . . . . . . . . . . . . . . . . . . . . . 120V, 60Hz
85W (Avg), 2.5A (Max)
Antenna Input Impedance . . . . . . . . . . . . . . . . . 75
Ω
UHF/VHF/CATV
Digital
Receiving Channel . . . . . . . . . . . . . . . . 2 - 13 (VHF),
14 - 69 (UHF),
01, 14 - 94, 95 - 125 (CATV)
1 - 99 (Digital)
Remote Ready . . . . . . . . . . 32 Key Remote Control
Sound Output . . . . . . . . . . . . . . . . . . . . . . 1.0 W/CH
Intermediate Frequency
Picture IF Carrier . . . . . . . . . . . . . . . . . . 45.75MHz
Sound IF Carrier . . . . . . . . . . . . . . . . . . 41.25MHz
Color Sub Carrier . . . . . . . . . . . . . . . . . 42.17MHz
Picture Tube . . . . . . . . . . . . . . . . . A68QFN793X001
Semiconductors
Integrated Circuits . . . . . . . . . . . . . . . . . . . . . . . 13
Transistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Except within Tuners, RC Pre-Amp. & Digital Module
Cabinet Dimensions
Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 770 mm
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . 585 mm
Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496 mm
REFERENCE No.
SM
780140
HT27547, H3DSA, PRODUCT CODE 113007988
Servicing should be performed by only trained and qualified service personnel.
with a double “Z” is a registered trademark
of Sanyo Manufacturing Corporation.
© Sanyo Manufacturing Corporation 2007