Philco PF2907 Service Manual Download Page 1

SERVICE MANUAL    Colour Television   

Product Code: 13007508
                        

Original Version

Chassis Series: LB5-A

BB7J

 FILE NO.

Model No.  PF2907

Service Ref. No. PF2907-00

(Argentina)

Give  complete  “SERVICE REF.  NO.”  for 
parts  order  or  servicing.  It  is  shown  on  the 
rating plate at the cabinet back of the unit.

This T.V. receiver will not work properly in 
foreign  countries  where  the  television  trans-
mission system and power source differ from 
the design specifications. Refer to the speci-
fication table.

Specifications

Power Source

   . . . . . . . .  AC220V, 50Hz / 60Hz

Receiving System

  . . . . .  PAL (M/M, N/N), NTSC (M/M)

Channel Coverage

  Antenna mode  VHF: CH02-CH13, UHF: CH14-CH69
  CATV mode      VHF band: CH01-CH13, Mid band: CH14-CH22  
  Super band: CH23-CH36, Hyper band: CH37-CH64
  Ultra band: CH65-CH94 and CH100-CH125
  Low mid band: CH95-CH99

Video IF

   . . . . . . . . . . . . .  45.75MHz      

Aerial Input Impedance

   75

Input Terminals

    

 

AV1 (Video):  Composite Video Input (Phone Jack) x 1

 

 

S-Video Input (Separated Y/C) DIN 4-pin Jack x 1 

 

AV1 (Audio):L/R Stereo Input (Phone Jack) x 1 set 

 

AV2 (Video):Composite Video Input (Phone Jack) x 1 

 

AV2 (Audio):L/R Stereo Input (Phone Jack) x 1 set 

 

AV3 (Video): Component Y, C

B

, C

R

 Input (Phone Jack) x 1 set

 

AV3 (Audio): L/R Stereo Input (Phone Jack) x 1 set

Output Terminals

 

 

Video Monitor Output: Phono jack x 1

 

Audio Monitor Output: L/R Stereo Output (Phone Jack) x 1 set 

 

Headphone Jack: Mini stereo jack x 1 

Sound Output 

(RMS)  . . .  5W + 5W

Speaker

 . . . . . . . . . . . . . .  6cm x 12cm x 2 pcs.

Dimensions

. . . . . . . . . . .  758.5(W) x 594(H) x 486.5(D)mm 

Weight

 . . . . . . . . . . . . . . .  approx. 40 Kg 

 

Specifications subject to change without notice.

TV/AV

CH

VOL

MENU

VIDEO

L AUDIO R

AV2 IN

POWER

Summary of Contents for PF2907

Page 1: ...14 CH22 Super band CH23 CH36 Hyper band CH37 CH64 Ultra band CH65 CH94 and CH100 CH125 Low mid band CH95 CH99 Video IF 45 75MHz Aerial Input Impedance 75 Input Terminals AV1 Video Composite Video Inpu...

Page 2: ...tube The picture tube is specially con structed to limit X RADIATION emissions For continued X RADIATION protection the replacement tube must be the same type as the original including suffix letter...

Page 3: ...Chassis Block Diagrams SIGNAL PROCESSING CIRCUIT...

Page 4: ...IC Block Diagrams IC601 POWER SUPPLY IC QTN6Q04 E...

Page 5: ...IC Block Diagrams IC201 IF Video Chroma Def CPU LA76933...

Page 6: ...tput LA78041 E 7 X IUXTQNQMZ 7 X IUXTQNQMZ 1VX IUXTQNQMZ 1VX IUXTQNQMZ KK OZW VL PWZ QVO XZW MK QWV KQZK Q 4WIL PWZ QVO XZW MK QWV KQZK Q PMZUIT XZW MK QWV KQZK Q 16 16 7 7 8 6 7 7 Q S QXXTM QT MZ IVL...

Page 7: ...IC Block Diagrams IC3401 MTS CXA2234QP...

Page 8: ...u Press the MENU button to turn off the Service Menu display The data which is set in the service mode is stored into the memory IC automatically Service Mode Display Service Adjustment 1 1 Enter the...

Page 9: ...tment ZOOM 16 V SIZZ6 31 64 63 Difference value of V SIZE adjustment ZOOM 60Hz 17 OSDHP 38 01 255 OSD horizontal remark position 18 OSDC 05 00 07 OSD contrast 19 EWDC 44 00 63 EW DC 50Hz 20 EWAMP 06 0...

Page 10: ...D 0 16 15 Difference value of DVD PAL sharpness 77 CODP 10 16 15 Difference value of DVD PAL Colour 78 CODN 0 16 15 Difference value of DVD NTSC Colour 79 RFCOL 5 16 15 Difference value of TV Color 80...

Page 11: ...ELAT ON TIME 8msecXN 123 CCD 35 1 63 Horizontal Position of Closed Captioning 124 V POSZ 1 32 31 V POSITION ZOOM 125 EWDCZ 1 32 31 E W DC ZOO 126 EWTLZ 4 32 31 E W TILT ZOOM 127 EWCTPZ 7 8 7 E W CORNE...

Page 12: ...SIZ in the service mode 4 Change value to be optimum vertical size 5 Exit from the service mode Item 17 OSDHP OSD H POSITION 1 Receive a monochrome circular pattern 2 Set the brightness and contrast t...

Page 13: ...the brightness of each colour until a dim white line produced Please see the control button alloca tions in this mode 7 Select Item 42 DRV mode to enter the white balance adjusting mode 8 Press the 7...

Page 14: ...appear MTS Adjustment Mode 3 Exit from the Service Menu Press the MENU button to turn off the Service Menu display The data which is set in the service mode is stored into the memory IC automatically...

Page 15: ...e press the MENU button STEREO SEPARATION ADJUSTMENT 1 Connect an oscilloscope Probe A to TP 317 JD64 Probe B to TP 318 JE53 2 Turn on the TV set and receive the multi sound programme Set the Surround...

Page 16: ...vice Menu While pressing the MENU button on the television press the 4 or MENU button on the remote control unit The Service Menu now appear 2 Service Adjustments Press and hold the VOLUME button on t...

Page 17: ...supply turn the power to the TV set OFF and then ON again via either the main power switch or the ON OFF button on the remote control This will work only if the power supply trou ble was temporary If...

Page 18: ...A 2 1AA2DEM0446 DEC IND BC2E 3 1AA2BUM0556 BUTTON UNITED BB7J 4 1AA2CAM0594A CABINET FRONT BB7J 5 1AA2BAA0035 BADGE PHILCO C4BS 6 1AA2CBM0433 CABINET BACK BB7E 7 1AA6P4S3230 LABEL RATING BB7J 8 1AV0U1...

Page 19: ...th Organic Semiconductive Electrolytic DL ELECT Double Layered Electrolytic RESISTOR CARBON 4 7K J A 1 4W Rated Wattage Performance Symbols A General B Non flammable Z Low noise Other Temperature coef...

Page 20: ...LB1H1R0VDN ELECT 1U M 50V C1102 CEXLB1H100VDN ELECT 10U M 50V C1103 CEXLB1H100VDN ELECT 10U M 50V C111 CK1H103KGQBNZ CERAMIC 0 01U K 50V C1111 CPXLB1C100ZAN NP ELECT 10U M 16V C1112 CPXLB1C100ZAN NP E...

Page 21: ...C601 CGXAA2E683BJN MT POLYEST 0 068U M 250V C601 CGXAV27683DBN MT POLYEST 0 068U M 275V C607 CK3A102KAHBNN CERAMIC 1000P K 1K C607 CK3A102KCBBJN CERAMIC 1000P K 1K C609 CEXAA2G271ABN ELECT 270U M 400...

Page 22: ...DZMTZJ5 1A N ZENER DIODE MTZJ5 1A D357 DDXAAED0434 DIODE 1N4148 D357 DD1SS133 N DIODE 1SS133 D357 DD1S2076A N DIODE 1S2076A E D421 DZXLBZA16A N ZENER DIODE MTZJ16A D438 DDERD07 15L N DIODE ERD07 15L D...

Page 23: ...6 K1101 1LB4J12B08300 JACK RCA 8 K1303 1LB4J12B02000 JACK RCA 3 L101 1AV4L2C1101KN INDUCTOR 100U K L202 1AV4L2B9120KN INDUCTOR 12U K L431 1LB4Z21B0160N CORE PIPE L432 1LB4Z21B0160N CORE PIPE L441 1LB...

Page 24: ...0JTCANZ MT GLAZE 150 JA 1 10W R1103 RGF1003JTCANZ MT GLAZE 100K JA 1 10W R1105 RGF1003JTCANZ MT GLAZE 100K JA 1 10W R111 RGF1001JTCANZ MT GLAZE 1K JA 1 10W R1112 RDB3900JPBANN CARBON 390 JA 1 4W R1114...

Page 25: ...1 2 JA 2W R481 RS21R20JGDANN OXIDE MT 1 2 JA 2W R481A RSXLB21R5JXAS OXIDE MT 1 5JA 2W R481A RS21R50JGDAGN OXIDE MT 1 5 JA 2W R481A RS21R50JGDANN OXIDE MT 1 5 JA 2W R484 RDB1003JPBANN CARBON 100K JA 1...

Page 26: ...NZ MT GLAZE 100 JA 1 10W SW1901 1AV4S10B5650J SWITCH PUSH 1P 1TX1 SW1902 1AV4S10B5650J SWITCH PUSH 1P 1TX1 SW1903 1AV4S10B5650J SWITCH PUSH 1P 1TX1 SW1904 1AV4S10B5650J SWITCH PUSH 1P 1TX1 SW1905 1AV4...

Page 27: ...RDD4700JPAANN CARBON 470 JA 1 6W R724 RSXLB2123JXAS OXIDE MT 12KJA 2 W R724 RS21202JGDAGN OXIDE MT 12K JA 2W R724 RS21202JGDANN OXIDE MT 12K JA 2W R732 RDD10R0JPAANN CARBON 10 JA 1 6W R741 RGF1201JTC...

Page 28: ...Mar 2007...

Page 29: ...C234 25EM 1000 LBVE C502 1 2 AH Q684 1 2 3 J30B0250N KE 1 B4J30B0040N AJ Q002 16EM47LBVD C291 B4Z21 B0160N L432 1 2 X C605 1 2 EM0 47 LBVD C225 CJ18CGQ C802 KDYH6 AA D003 F1BAM0340 A101 1 AGC 2 NC 3...

Page 30: ...231 R656 A101 C621 C630 R470 C434 C628 R471 C629 C436 R473 R280 R474 C244 C245 R476 C246 C247 C248 R479 C249 C632 R671 R673 C250 R484 R485 KE 1 KE 2 D003 KG 2 KG 3 C652 C463 C465 C468 C850 C469 IC001...

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