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- VOL +
CH
ME NU
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
POWER INPUT .................................................... AC 120 V, 60 Hz
POWER RATING ................................................................... 55 W
PICTURE SIZE ........................................... 580cm
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
AUDIO POWER
OUTPUT RATING ..................................................... 1 W (RMS)
SERVICE MANUAL
VIDEO IN AUDIO
MODEL
CONTENTS
ELECTRICAL SPECIFICATIONS
2
( 89.91 sq inch)
(Nominal)
COLOR TELEVISION
Chassis No. SN-010
PH-1470
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
Specifications are subject to change without
prior notice.
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
1
PH-1470
PH-1470
Page
(EIA, Channel Plan U.S.A.)
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Summary of Contents for Philco PH-1470
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Page 1: Table Of Contents
PH-1470 SERVICE MANUAL PH-1470 COLOR TELEVISION Chassis No. SN-010 VIDEO IN AUDIO — VOL + ME NU PH-1470 MODEL 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. -
Page 2: Important Service Safety Precaution
PH-1470 IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING X-RADIATION AND HIGH VOLTAGE LIMITS 1. For continued safety, no modification of any circuit 1. - Page 3 PH-1470 IMPORTANT SERVICE SAFETY PRECAUTION (Continued) Connect the resistor connection to all exposed metal BEFORE RETURNING THE RECEIVER parts having a return to the chassis (antenna, metal (Fire & Shock Hazard) cabinet, screw heads, knobs and control shafts, escutcheon and etc.) and measure the AC voltage Before returning the receiver to the user, perform drop across the resistor.
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Page 4: Location Of User's Control
PH-1470 LOCATION OF USER’S CONTROL Front Panel VIDEO IN AUDIO — VOL + ME NU VIDEO IN AUDIO TERMINALS SENSOR AREA FOR REMOTE CONTROL – VOL + MENU POWER Press CHANNEL UP/DOWN Press again Off. VOLUME UP/DOWN ( ) Selects next higher channel. -
Page 5: Installation And Service Instructions
PH-1470 INSTALLATION AND SERVICE INSTRUCTIONS Note: (1) When performing any adjustments to resistor controls and transformers use non-metallic screwdrivers or TV alignment tools. (2) Before performing adjustments, the TV set must be on at least 15 minutes. HIGH VOLTAGE CHECK CIRCUIT PROTECTION The receiver is protected by a 4.0A fuse (F701),... - Page 6 PH-1470 For adjustments of this model, the bus data is converted to various analog signals by the D/A converter circuit. Note: There are still a few analog adjustments in this series such as focus and master screen voltage. Follow the steps below whenever the service adjusment is required.
- Page 7 PH-1470 Below are the adjustments ranges and initial values for FIX VALUE category FIX VALUE DAT A SER VICE ADJUST ITEM POSITION INITIAL VALUE (Hex) RANGE OPTION 1 00-FF OPTION 2 00-FF E-SAVE 00-3F TUNER SETUP 00, 01 R-T ONE RD...
- Page 8 PH-1470 Holding down the Vol-up/Ch-down buttons on the TV set at service mode for more that 2 seconds will automatically write the above initial values into IC2102 (IC2101) ADJUSTMENT PART REPLACED NOTES UNNECESSARY NECESSARY IC2001 Data is stored in IC2102 (IC2101)
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Page 9: Service Adjustment
PH-1470 SERVICE ADJUSTMENT RF AGC Adjustment White Balance Adjustment 1. Receive a good local channel. 1. Receive a good local channel. 2. Enter the service mode signal category and select 2. Select the service adjustment "S12" and set the data the service adjustment "S01". - Page 10 PH-1470 Vertical-Size, V-Linearity and V-S Correction Adjustments 1. Receive a good local channel. 2. Enter the service mode DEF category and select the adjustment "D02" for Vertical Size, "D05" for V- Linearity and "D06" for V-S Correction Adjustment. 3. Set in order "D05" for V-Linear ity, "D06" for V-S Correction and set the data to get the best linearity.
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Page 11: Chassis Layout
PH-1470 CHASSIS LAYOUT NORMAL PR701 C708... -
Page 12: Block Diagram
PH-1470 BLOCK DIAGRAM... -
Page 13: Schematic Diagrams
PH-1470 DESCRIPTION OF SCHEMATIC DIAGRAM WAVEFORM MEASUREMENT CONDITIONS: NOTES: 1. Photographs taken on a standard gated color bar 1. The unit of resistance "ohm" is omitted. signal, the tint setting adjusted for proper color. The (K=k =1000 , M=M ) wave shapes at the red, green and blue cathodes of 2. - Page 14 MODEL PH-1470 SCHEMATIC DIAGRAM: MAIN Unit PH1470...
- Page 15 MODEL PH-1470 SCHEMATIC DIAGRAM: MAIN Unit...
- Page 16 PH-1470...
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Page 17: Printed Wiring Board Assemblies
PH-1470 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Wiring Side) - Page 18 PH-1470 PWB-A: MAIN Unit (Chip Parts Side)
- Page 19 PH-1470 PWB-B: CRT Unit (Wiring Side) PWB-B: CRT Unit (Chip Parts Side)
- Page 20 Sub-Item PH1470 VB34EAK02X+1E CRT 13" PHIL RCILG0077PEZZ DEGAUSSING COIL DUNTKA358WEY7 MAIN H/I (PH1470) DUNTKA359WEW6 CRT H/I (PH1470) VCEA0A1AW337M+ CAPACITOR (ELEC) VCEA0A1HW105M+ CAPACITOR (ELEC) VCEA0A1HW475M+ CAPACITOR (ELEC) C101 VCEA0A1CW476M+ CAPACITOR (ELEC) C201 VCKYCY1HF103ZY CAPACITOR C202 VCKYCY1HF103ZY CAPACITOR C203 VCKYCY1HF103ZY CAPACITOR C204 VCQYTA1HM223J+ CAPACITOR (FILM) C205...
- Page 21 C661 VCKYPA2HB152K+ CAPACITOR (FILM) C662 VCEA0A1CW477M+ CAPACITOR (ELEC) C702 RC-KZ0029CEZZ+ CAPACITOR CERAMIC C703 RC-KZ0029CEZZ+ CAPACITOR CERAMIC C705 RC-EZ0678CEZZ CAPACITOR C706 RC-KZA039WJZZ CAPACITOR C708 RC-FZ029SCEZZ CAPACITOR MET. PLAS. C717 VCKYPA2HB472K+ CAPACITOR (FILM) C723 RC-EZ0638CEZZ CAPACITOR (ALUMINUM) C725 RC-EZ0776CEZZ CAPACITOR C726 VCKYPH3DB561K CAPACITOR FILM C727 VCKYPA2HB472K+...
- Page 22 D703 RH-DX0490CEZZY DIODE D704 RH-DX0490CEZZY DIODE D707 VHD1SS119//-1Y DIODE-GENERAL PURPOSE D708 VHD1SS119//-1Y DIODE-GENERAL PURPOSE D709 RH-DXA006WJZZ DIODE D712 RH-DX0487CEZZY DIODE- D717 RH-EX0616GEZZY DIODE (ZENER) D725 RH-DX0131CEZZY DIODE D726 VHD1SS119//-1Y DIODE-GENERAL PURPOSE D751 RH-EX0611GEZZY DIODE ZENER-5.1 A D753 RH-DX0441CEZZY DIODE- IN4002 (General Instruments) D758 RH-DX0131CEZZY DIODE...
- Page 23 Q2201 VS2SD601AR/-1Y TRANSISTOR Q2211 VS2SD601AR/-1Y TRANSISTOR VRS-CY1JF000JY RESISTOR (METAL OXIDE) VRS-CY1JF000JY RESISTOR (METAL OXIDE) VRS-CY1JF000JY RESISTOR (METAL OXIDE) VRS-CY1JF000JY RESISTOR (METAL OXIDE) RJ10 VRS-CY1JF000JY RESISTOR (METAL OXIDE) RJ12 VRS-CY1JF000JY RESISTOR (METAL OXIDE) RJ18 VRS-CY1JF000JY RESISTOR (METAL OXIDE) RJ19 VRS-CY1JF000JY RESISTOR (METAL OXIDE) RJ20 VRS-CY1JF000JY RESISTOR (METAL OXIDE)
- Page 24 R605 VRD-RA2BE121JY RESISTOR (CARBON) R606 VRD-RA2BE102JY RESISTOR (CARBON FILM) R608 VRS-RG3DB391J+ RESISTOR (METAL OXIDE) R609 VRS-RG3AB562J+ RESISTOR (METAL OXIDE) R610 VRD-RM2HD220JY RESISTOR (CARBON FILM) R611 VRS-KA3HG3R3K RESISTOR R622 VRS-CY1JF222JY RESISTOR (METAL OXIDE) R623 VRS-CY1JF103JY RESISTOR (METAL OXIDE) R624 VRN-RA2BK472FY RESISTOR (METAL FILM) R634 VRD-RM2HD121JY RESISTOR (CARBON)
- Page 25 R890 VRS-CY1JF470JY RESISTOR (METAL OXIDE) R891 VRS-CY1JF470JY RESISTOR (METAL OXIDE) R901 VRD-RA2BE101JY RESISTOR (CARBON FILM) R902 VRS-CY1JF750JY RESISTOR (METAL OXIDE) R906 VRS-CY1JF102JY RESISTOR (METAL OXIDE) R925 VRS-CY1JF104JY RESISTOR (METAL OXIDE) R961 VRS-CY1JF101JY RESISTOR (METAL OXIDE) R962 VRS-CY1JF101JY RESISTOR (METAL OXIDE) R2001 VRS-CY1JF102JY RESISTOR (METAL OXIDE)
- Page 26 RDA501 PRDAR0106GJFW HEATSINK (STEEL) RDA701 PRDAR0026PEFW HEATSINK (STEEL) RMC2601 RRMCU0222CEZZ R/C RECEIVER S2501 QSW-K0202PEZZ+ SWITCH S2502 QSW-K0202PEZZ+ SWITCH S2503 QSW-K0202PEZZ+ SWITCH S2504 QSW-K0202PEZZ+ SWITCH S2505 QSW-K0202PEZZ+ SWITCH SC852 QSOCV0842CEZZ SOCKET (CRT) SF201 RFILC0441CEZZ FILTER (4.5MHZ) LHLDK0014PEZZ AC CORD HOLDER LHLDW0102GJKZ WIRE TIE (20.32 CM) LHLDZ0063PEZZ HOLDER (INSULATOR RING)
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Page 27: Packing Of The Set
PH-1470 Part No. Description Code Ref. No. Part No. Description Code PACKING OF THE SET Polyethylene Bag Operation Manual Infrared R/C Unit Batteries Wrapping Paper Buffer Material Packing Case Use tape to fix the top side of packing case. REAR... - Page 28 P H 1 4 7 0 PHILCO COPYRIGHT © 2003 ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.
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