Philips 14PV235/01 Service Manual

Service ManualServiceServiceServiceTV-VCR CombinationContentsChapterAdjustment ProcedureSchematic Diagrams and CBA'sExploded ViewsMechanical and

1-5-9 T6450DC[2] Power Unit and Tray Chassis Unit[5] H.V./Power Supply CBA[3] Power Unit[4] Tray Chassis UnitS-5[7] Bottom PlateS-7S-8[10] Main CBAS-1

1-5-10 T6450DCFig. 4S-11S-11S-11Anode CapS-11[11] CRTCRT CBA

1-5-11 T6450DCFig. 5CN501SCREENFOCUSCN502CN752CN751CN201CL402CL401CL403CN804CL302ACL603ACL301ACL501ACN601CN552CN551CN602CN901CN902CRTANODEGNDMAIN CBAH

1-6-10 T6450EAELECTRICAL ADJUSTMENT INSTRUCTIONS[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]General Note: "CBA" i

1-6-11 T6450EA1. DC 105V (+B) AdjustmentPurpose: To obtain correct operation.Symptom of Misadjustment: The picture is dark andunit does not operate co

1-6-12 T6450EA3. C-Trap AdjustmentPurpose: To get minimum leakage of the color signalcarrier.Symptom of Misadjustment: If C-Trap Adjustment isincorrec

1-6-13 T6450EA5. SECAM Black Level AdjustmentPurpose: To set Black Level of the SECAM signal R-Y/B-Y to Ref. level.Symptom of Misadjustment: If Black

1-6-14 T6450EA8. H. Shift AdjustmentPurpose: To obtain correct horizontal position andsize of screen image.Symptom of Misadjustment: Horizontal positi

1-6-15 T6450EA10. White Balance AdjustmentPurpose: To mix red, green and blue beams correctlyfor pure white. Symptom of Misadjustment: White becomes b

1-6-16 T6450EA12. Setting for CONTRAST, COLOR, TINT and SHARP Data ValuesGeneral 1. Enter the Service mode. (See page 1-6-10) 2. Press MENU button. (E

1-3-2 T6450PFSPREPARATION FOR SERVICING[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]How to Enter the Service ModeCaution: 11

1-6-17 T6450EA14. Head Switching Position AdjustmentPurpose: Determine the Head Switching Position dur-ing Playback.Symptom of Misadjustment: May caus

1-6-18 T6450EAAdjustment Points and Test PointsMain CBA Top ViewH.V./Power Supply CBA Top ViewTEST POINT INFORMATION: Indicates a test point with a ju

1-7-7BLOCK DIAGRAMSServo/System Control Block DiagramT6450BLSCONTROLHEADCL402 AC HEAD ASSEMBLYMAIN CBAKEY-2RF-SWST-SENS.T-REELKEY-1DV-SYNCC-SYNCC-SYNC

1-7-8T6450BLVVideo Block DiagramCYLINDER ASSEMBLYV(R)V-COMV(L)CL401123 (DECK ASSEMBLY)VIDEO (R) HEADTO SERVO/SYSTEMCONTROL BLOCKTO SERVO/SYSTEMCONTRO

1-7-9T6450BLAAudio Block DiagramRECAMP1003AUTOBIAS21+5V+5VQ854Q856BIASOSCQ855Q853(PB=ON)Q852(PB=ON)Q851SWITCHINGD-REC-OFF5EQAMP987LINEAMPREC-ONTP007AU

1-7-10T6450BLTTV Block DiagramX3014.43MHzCL301ACL302AIC301 (VIDEO/AUDIO/CHROMA/DEFLECTION/IF)IC201(SYSTEM CONTROL/OSD)V-SYNCTEXT-LOSD-ROSD-GOSD-BOSD-B

1-7-11CRT/H.V. Block DiagramT6450BLCRTPUMP UPAMPTHERMALPROTECTION36715810796GREEN AMPBLUE AMPQ501Q502Q503H.DRIVEQ533 Q551T552V-DRIVEH-DRIVEDEFLECTION-

1-7-12Power Supply Block DiagramT6450BLP64211413111098LINEFILTERBRIDGERECTIFIERT601IC601ERRORVOLTAGE DETF601T4A/250VL601D601 - D604SWITCHINGQ604VR601C

Main 1/5 Schematic Diagram Parts Location Guide1-8-41Ref No. Position Ref No. Posi tion Ref No. Posi tion Ref No. PositionRESISTORS RESISTORSC203B-3CN

Main 1/5 Schematic Diagram1-8-42Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below:1 2 3 5.0(2.5)~5.0THE SAME VOL

1-4-3 T6450IBOPERATING CONTROLS AND FUNCTIONS[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58) ]To record the TV channel selected at this moment or press

Main 2/5 Schematic Diagram1-8-441-8-45T6450SCM2Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below:1 2 3 5.0(2.5)~

Main 2/5 Schematic Diagram Parts Location Guide1-8-46Ref No. Position Ref No. Position Ref No. Position Ref No. PositionC401J-1C445H-2L854H-1R860H-1C4

Main 3/5 Schematic Diagram Parts Location Guide1-8-47Ref No. Position Ref No. Position Ref No. PositionC001R-4C331N-2R156N-4C002Q-4C332N-3R157P-4C005Q

Main 3/5 Schematic Diagram1-8-481-8-49T6450SCM3Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below:1 2 3 5.0(2.5)~

Main 4/5 Schematic Diagram1-8-501-8-51T6450SCM4Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below:1 2 3 5.0(2.5)~

Main 4/5 Schematic Diagram Parts Location Guide1-8-52Ref No. Posi tion Ref No. Posi tionC101 W-3 IC101 V-4C102 W-3IC471T-3C103 V-4IC681T-2C104 V-4C105

Main 5/5 Schematic Diagram Parts Location Guide1-8-53Ref No. Posi tion Ref No. Posi tionC703BB-2R702Y-1C707BB-4R703CC-4C708BB-4R704CC-4C709BB-4R707BB-

1-8-541-8-55T6450SCM5 Main 5/5 Schematic DiagramVoltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below:1 2 3 5.0(2.5)

1-8-561-8-57T6450SCCRTCRT Schematic DiagramVoltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below:123 5.0(2.5)~5.0THE

1-8-581-8-59T6450SCP1H.V./Power Supply 1/2 Schematic DiagramNOTE :The voltage for parts in hot circuit is measuredusing hot GND as a common terminal.C

1-4-4 T6450IBSTANDBY/ON: To switch off or on, interrupt menu function.Volume: In connection with the button to adjust the volume.Programme number: To

1-8-60 1-8-61H.V./Power Supply 2/2 Schematic DiagramVoltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below:1 2 3 5.0(

T6450WI1-10-2WIRING DIAGRAMFULL ERASE HEADWIRING DIAGRAM FOR SECTION 2 (DECK MECHANISM)CRT CBABT6600F01022-BFOCUSSCREENGNDD.Y.HDVDCL403MAIN CBACN50112

1-11-3 T6450TISYSTEM CONTROL TIMING CHARTS[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58) ]Chart 10.2S1. EJECT (POWER OFF) -> CASSETTE IN (POWER ON)

1-11-4 T6450TIChart 2PIN NO.LD-SWCL/SSLD-CONTC-DRIVE"Z"ONONC-F/RDRUMROTATIONP-ONA-MUTE-HD-REC-HD-PB-HEJAURSSFSMTLFBALSB18266316544DISPLAYST-

1-11-5 T6450TI[ 14PV385/ (01, 07, 39) ]Chart 1PLAY6mS 6mS160mS80mS>5.0S 5.0SSP MODELP/SLP MODE1. EJECT (POWER OFF) -> CASSETTE IN (POWER ON) -&g

1-11-6 T6450TIChart 2PIN NO.LD-SWCL/SS/REVC-DRIVE"Z"ONONDRUMROTATIONEJAURSSFSMTLFBALSB9DISPLAYST-S/END-S "ON"RECREWFFSTOP/EJECT0.5

1-12-3 T6450PINIC PIN FUNCTION DESCRIPTIONS[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]Comparison Chart of Models and Marks

1-12-4 T6450PIN44 OUTSP-MUTESpeaker Mute Signal45IN/OUTI2C-OPENWhite Balance Adjust Mode Judgment46 -GND GND47OUT D-REC-HDelayed Record Signal48 OUTSC

1-12-5 T6450PIN96 -AMPC AMPC97 OUTCTL AMP- OUTControl Amp Output98- AMPVcc AMPVcc99-AVccA/D Converter Power Input/ Standard Voltage Input100IN AGCTune

1-13-2 T6450LELEAD IDENTIFICATIONS[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]S: SouceD: DrainG: GateS D GE: EmitterC: Co

1-4-5 T6450IB[ 14PV385/ (01, 07, 39) ]To adjust the volume.To select the programme number. During playback, press to adjustthe tracking.Red button / T

NOTES:C…..±0.25% D…..±0.5% F…..±1%G…..±2% J…..±5% K…..±10%M…..±20% N…..±30% Z…..+80/-20%ELECTRICAL PARTS LISTPos.h12 NC De

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01C218 CHI

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01C331 ELE

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01C479 CHI

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01CN303 99

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01COILSL00

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01R152h996

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01R258 CAR

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01R339 CHI

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01R730 CHI

1-4-6 T6450IBSTANDBY/ON: To switch off or on, interrupt menu function.Volume: In connection with the button to adjust the volume.Programme number min

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01SW205 99

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01CAPACITO

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01D602h996

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01R553 CAR

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01R626h996

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01TP502 PC

ELECTRICAL PARTS LISTPos.h12 NC Description 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07 14PV135/01 14PV135/58 14PV235/07 14PV385/01CONNECTO

EXPLODED VIEWS[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]CabinetB17L1L2L1L1L1A12L8L8TL1TL1Z10Z10Z10L71B1TL1TL1CL801TL1TL1T

1-15-6 T6450PEX[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]PackingX1X2TAPEX5S1FRONTS4S6S2S3X3X4

*)Note: Pos.1 consists of A1-1 A1-8A1-3 A1-9A1-4 A1-10A1-5 L7A1-7MECHANICAL PARTS LISTPos.Pos.Expl. Viewh12 NC Description0001 *) 3143 027 60461 F

1-5-6 T6450DCCABINET DISASSEMBLY INSTRUCTIONS[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]Comparison Chart of Models and Mar

TL14 9965 000 12171 SCREW, B-TIGHT M3X8 BIND HEAD+ 111111111TL18 9965 000 13027 SCREW, P-TIGHT M3X8 BIND HEAD+ 111111111PACKING0450 S1 BOX FOLDED 14PV

2-1-3 T6450MENSTANDARD MAINTENANCE[ 14PV385/ (01, 07, 39) ]Service Schedule of ComponentsThis maintenance chart shows you the standard of replacement

2-1-4 T6450MENCleaningCleaning of Video Head Clean the head with a head cleaning stick or chamoiscloth.Procedure1.Remove the top cabinet. 2.Put on a g

2-4-10 T6450DADISASSEMBLY/ASSEMBLY PROCEDURESOF DECK MECHANISM[ 14PV385/ (01, 07, 39) ]Before following the procedures described below, be sure to rem

2-4-11 T6450DA(1): Follow steps in sequence. When reassembling, follow the steps in reverse order.These numbers are also used as identification (locat

2-4-12 T6450DA[14][13][11][10][12][7] [49] [8][32][43] [41] [40][31] [42][45][44] [46][9][36][15][38][37]Fig. DM1HTop View[34][19][35][25][26][24][23]

2-4-13 T6450DA[1](S-1)(S-1)Fig. DM3H[2]Locking tabView for AFirst, while pushing the locking tab as shown in the right, slide and pull up the right si

2-4-14 T6450DAA(S-2)[7](L-12)[49][50]Fig. DM6HView for ADesolderfrom bottomLead with Red Stripe[8][9](S-4)(S-3)LDGBeltView for ADesolderfrom bottomLea

2-4-15 T6450DAInstallation of [13] and [12]Pin of [12]Groove of [27]Hook spring (P-3) up to [12] and [13], then install then to the specified position

2-4-16 T6450DA[19]Cap Belt(S-8)[19][20] Cap BeltAInstallation position of Cap BeltView for AFig. DM11H(L-6)[22][20](C-1)[21][27]Pin on [22]Position of

1-5-7 T6450DCReference Notes in the Table1. Removal of the Rear Cabinet.Remove four screws (S-1) and two screws (S-2).Disconnect connector CN804 and r

2-4-17 T6450DA[27][31](C-3)[26](C-4)[25](C-2)[28][29][30](C-5)(S-9)[24][23](L-7)(L-8)Fig. DM13H-1[27][27][26]Top ViewFirst tooth on [47]First groove o

2-4-18 T6450DA[39](L-10)[37](P-6)[43][38][36][42][40][41](C-6)(C-7)turnturnturnFig. DM15H[44][45][46](L-11)Fig. DM16HSlide Plate(S-11)[47][48]SlideFig

2-5-2 T6450APMALIGNMENT PROCEDURES OF MECHANISM[ 14PV385/ (01, 07, 39) ]The following procedures describe how to align theindividual gears and levers

2-6-4 T6450DEXDECK EXPLODED VIEWS[ 14PV385/ (01, 07, 39) ]Deck Mechanism View 1Mark DescriptionFloil G-684G or Multemp MH-D(Blue grease)SLIDUS OIL #15

2-6-5 T6450DEXDeck Mechanism View 2Mark DescriptionFloil G-684G or Multemp MH-D (Blue grease)SLIDUS OIL #150SANKOUL FG84M (Yellow grease)B499B516B52B5

2-6-6 T6450DEXDeck Mechanism View 3Mark DescriptionFloil G-684G or Multemp MH-D(Blue grease)SLIDUS OIL #150L1341L1321B347L1321B355B354B482B483B425B303

DECK PARTS LISTPos.h12 NC DescriptionB2 9965 000 23417 CYLINDER ASS. 111111111B3 9965 000 17217 LOADING MOTOR ASS. 111111111B8 9965 000 17191 PULLEY A

DECK PARTS LISTPos.h12 NC Description 14PV135/01 14PV135/58 14PV235/07 14PV385/01 14PV385/39 14PV135/07 14PV235/01 14PV235/58 14PV385/07B516 9965 000

1-5-8 T6450DCFig. 2[1] REAR CABINETS-1S-1S-1S-2S-2S-1