Philco PH-1470, Service Manual

Page: 1 / 28

1
PH-1470
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
COLOR TELEVISION
Chassis No. SN-010
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its
original condition and only parts identical to those specified should be used.
ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
IMPORTANT SERVICE SAFETY PRECAUTION .................................................................................2
LOCATION OF USER'S CONTROL .....................................................................................................4
INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................5
CHASSIS LAYOUT ............................................................................................................................. 11
BLOCK DIAGRAM .............................................................................................................................. 12
SCHEMATIC DIAGRAMS ................................................................................................................... 13
PRINTED WIRING BOARD ASSEMBLIES
........................................................................................
16
REPLACEMENT PARTS LIST ............................................................................................................
19
PACKING OF THE SET ......................................................................................................................
25
Page
CONTENTS
SERVICE MANUAL
POWER INPUT .................................................... AC 120 V, 60 Hz
POWER RATING ................................................................... 55 W
PICTURE SIZE ...........................................
580 cm
2
(
89.91 sq inch)
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ............................................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ..................................... 45.75 MHz
Sound IF Carrier Frequency ...................................... 41.25 MHz
Color Sub-Carrier Frequency .................................... 42.17 MHz
(Nominal)
AUDIO POWER
OUTPUT RATING ..................................................... 1 W (RMS)
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ...................................................................... 8 cm (Round)
VOICE COIL IMPEDANCE ............................ 32 ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF ..................................................... 75 ohm Unbalanced
TUNING RANGES
VHF-Channels ............................................................... 2 thru 13
UHF-Channels ............................................................ 14 thru 69
CATV Channels ........................................................... 1 thru 125
(EIA, Channel Plan U.S.A.)
Specifications are subject to change without
prior notice.
MODEL
PH-1470
PH-1470
P O
W E R
CH — VOL +
VIDEO IN AUDIO
ME NU