Summary of Contents for Philips 21PV375/01/07/39/58
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TV-VCR Combination Service 21PV375 /01/07/39/58 Service Service Service Manual Contents Survey of versions: PAL-BG, EURO Chapter PAL I, UK/IRELAND PAL/SECAM-BG+PAL/SECAM-L/L',FRANCE Sec. 1: Adjustment Procedure PAL-BG/DK+SECAM-BG/DK,EAST-EURO Schematic Diagrams and CBA's Exploded Views Mechanical and Electrical Parts Lists Sec. 2: Standard Maintenance Mechanism Alignment Procedures Disassembly / Assembly of Mechanism Deck Exploded Views...
CABINET DISASSEMBLY INSTRUCTIONS [ 21PV375/ ( 01, 07, 39, 58 ) ] 1. Disassembly Flowchart REMOVAL REMOVE/ This flowchart indicates the disassembly steps for the *UNHOOK/ cabinet parts, and the CBA in order to gain access to LOC. PART Fig. UNLOCK/RELEASE/ Note item(s) to be serviced.
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Disconnect the following: Anode Cap, CN501, 7. Removal of the Deck Unit. CN551, CN601, CRT CBA, and Power Knob. Then Remove seven screws (S-6), screw (S-7) and pull the Power Unit and Tray Chassis Unit out screw (S-8). Then, desolder connectors (CN201, backward.
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[4] Tray Chassis Unit CL604 [6] Top Shield [8] DECK UNIT [2] Power Unit and Tray Chassis Unit [9] TEXT CBA S-10 [10] MAIN CBA S-10 S-10 Text Holder S-10 Power Knob [5] H.V./Power Supply CBA [7] Bottom Plate [3] Power Unit Fig.
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CRT CBA ANODE CN501B FOCUS SCREEN CN501 CN502 H.V./POWER SUPPLY CBA CN552 CL501A CN551 CN602 CN601 TO DEGAUSS COIL MAIN CBA CL403 TEXT CBA CL302A CL401 CL301A CL402 CN751 CN752 CN201 CN151 CL603A CAPSTAN TO SPEAKER MOTOR CYLINDER ASSEMBLY AC HEAD FE HEAD DECK UNIT ASSEMBLY...
ELECTRICAL ADJUSTMENT INSTRUCTIONS [ 21PV375/(01, 07, 58, 39) ] General Note: How to set up the option code "CBA" is abbreviation for "Circuit Board 1. Enter the Service mode. Assembly." 2. Press the [STATUS/EXIT] button on the remote control unit. The option code appears on the dis- play.
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1. DC114V (+B) Adjustment 2. H Adjustment Purpose: To obtain correct operation. Purpose: To get correct horizontal position and size of screen image. Symptom of Misadjustment: The picture is dark and unit does not operate correctly. Symptom of Misadjustment: Horizontal position and size of screen image may not be properly displayed.
3. C-Trap Adjustment 4. To enter the DSPC mode, press [1] button on the remote control unit. Recording starts automatically Purpose: To get minimum leakage of the color signal and “DSPC” appears on the display. carrier. TVCR Symptom of Misadjustment: If C-Trap Adjustment is incorrect, stripes will appear on the screen.
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5. SECAM Black Level Adjustment 6. V. Size Adjustment Purpose: To set Black Level of the SECAM signal R- Purpose: To obtain correct vertical height of screen Y/B-Y to Ref. level. image. Symptom of Misadjustment: If Black Level of the Symptom of Misadjustment: If V.
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8. H. Shift Adjustment 6. Turn the screen control up until dimmed horizontal line appears. Purpose: To obtain correct horizontal position and 7. Press the [P+/P-] buttons until the horizontal line size of screen image. becomes white. Symptom of Misadjustment: Horizontal position and 8.
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10. White Balance Adjustment 11. Sub-Brightness Adjustment Purpose: To get proper brightness. Purpose: To mix red, green and blue beams correctly Symptom of Misadjustment: If Sub-Brightness is for pure white. incorrect, proper brightness cannot be obtained by Symptom of Misadjustment: White becomes bluish adjusting the Brightness Control.
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12. Setting for CONTRAST, 13. Focus Adjustment COLOR, TINT and SHARP Purpose: Set the optimum Focus. Data Values Symptom of Misadjustment: If Focus Adjustment is incorrect, blurred images are shown on the display. General 1. Enter the Service mode. (See page 1-6-10) Test point Adj.
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14. Head Switching Position Adjustment Purpose: Determine the Head Switching Point during Playback. Symptom of Misadjustment: May cause Head Switching Noise or Vertical Jitter in the picture. Note: Unit reads Head Switching Position automati- cally and displays it on the screen (Upper Left Corner). Manual Adjustment 1.
BLOCK DIAGRAMS [ 21PV375/ ( 01, 07, 39, 58 ) ] Servo/System Control Block Diagram Comparison Chart of NOTE FOR WIRE CONNECTORS: TEST POINT INFORMATION Models & Marks 1. PREFIX SYMBOL "CN" MEANS CONNECTOR. :INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB. (CAN DISCONNECT AND RECONNECT.) :USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
Video Block Diagram Comparison Chart of NOTE FOR WIRE CONNECTORS: TEST POINT INFORMATION 1. PREFIX SYMBOL "CN" MEANS CONNECTOR. :INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB. Models & Marks (CAN DISCONNECT AND RECONNECT.) :USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
Audio Block Diagram NOTE FOR WIRE CONNECTORS: TEST POINT INFORMATION 1. PREFIX SYMBOL "CN" MEANS CONNECTOR. :INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB. (CAN DISCONNECT AND RECONNECT.) :USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE. 2.
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Chroma Block Diagram NOTE FOR WIRE CONNECTORS: TEST POINT INFORMATION 1. PREFIX SYMBOL "CN" MEANS CONNECTOR. :INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB. (CAN DISCONNECT AND RECONNECT.) :USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE. 2.
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CRT/H.V. Block Diagram NOTE FOR WIRE CONNECTORS: TEST POINT INFORMATION 1. PREFIX SYMBOL "CN" MEANS CONNECTOR. :INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB. (CAN DISCONNECT AND RECONNECT.) :USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE. 2.
Power Supply Block Diagram CAUTION ! NOTE : Fixed voltage power supply circuit is used in this unit. CAUTION The voltage for parts in hot circuit is measured using If Main Fuse (F601) is blown, check to see that all components in the power supply FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, hot GND as a common terminal.
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[ 21PV375/ ( 01, 07, 39, 57 ) ] Main 1/5 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS DIODES RESISTORS RESISTORS C203 D201 R224 R271 C205 D202 R226 R272 C207 D204 R227...
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Voltage indications for PLAY and REC modes on Main 1/5 Schematic Diagram the Schematic Diagrams are as shown below: Comparison Chart of Models and Marks PLAY MODE REC MODE (2.5) MODEL MARK “ “ = SMD THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE 21PV375/07 BOTH PLAY &...
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Main 2/5 Schematic Diagram Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below: PLAY MODE REC MODE “ “ = SMD (2.5) THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE BOTH PLAY & REC MODES. IS NOT CONSISTENT HERE.
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Main 2/5 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS CAPACITORS COILS RESISTORS C401 C444 L403 R854 C402 C445 L852 R856 C403 C452 L854 R857 TRANSISTORS C404 C851 R858 C405 C855 Q401 R859...
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Main 3/5 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position CAPACITORS CAPACITORS RESISTORS C001 C332 R155 C002 C333 R156 C005 C334 R301 C006 C336 R302 C007 C338 R303 C008 C339 R304 C009 C340 R305 C012 C341 R306...
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Voltage indications for PLAY and REC modes on Main 3/5 Schematic Diagram the Schematic Diagrams are as shown below: PLAY MODE REC MODE “ “ = SMD (2.5) THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE BOTH PLAY & REC MODES. IS NOT CONSISTENT HERE.
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Voltage indications for PLAY and REC modes on Main 4/5 Schematic Diagram the Schematic Diagrams are as shown below: VOLTAGE CHART (Power off mode) Ref. No. PLAY MODE REC MODE IC602 (2.5) “ “ = SMD Ref. No. THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE BOTH PLAY &...
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Voltage indications for PLAY and REC modes on Main 5/5 Schematic Diagram the Schematic Diagrams are as shown below: PLAY MODE “ “ = SMD REC MODE (2.5) THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE BOTH PLAY & REC MODES. IS NOT CONSISTENT HERE.
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H.V./Power Supply 1/2 Schematic Diagram Voltage indications for PLAY and REC modes on CAUTION ! the Schematic Diagrams are as shown below: CAUTION Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, PLAY MODE If Main Fuse (F601) is blown, check to see that all components in the power supply REC MODE...
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H.V./Power Supply 2/2 Schematic Diagram Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below: PLAY MODE REC MODE (2.5) THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE BOTH PLAY & REC MODES. IS NOT CONSISTENT HERE. 1-8-62 1-8-63 T6500SCP2...
CRT Schematic Diagram Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below: PLAY MODE REC MODE (2.5) THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE BOTH PLAY & REC MODES. IS NOT CONSISTENT HERE. CRT SCHEMATIC DIAGRAM PARTS LOCATION GUIDE Ref No.
WIRING DIAGRAM NOTE FOR WIRE CONNECTORS: 1. PREFIX SYMBOL "CN" MEANS CONNECTOR. (CAN DISCONNECT AND RECONNECT.) 2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER HOLES OF THE PCB. ANODE (WIRE IS SOLDERED DIRECTLY.) CN151 CL801 SP151 CRT CBA SPEAKER SP-GND BT6400F01021-B FOCUS WIRING DIAGRAM FOR SECTION 2 (DECK MECHANISM) SCREEN LOADING...
IC PIN FUNCTION DESCRIPTIONS [ 21PV375/ ( 01, 07, 39, 58 ) ] Signal Mark Function Name Comparison Chart of Models and Marks Not Used Model Mark Recording LED 21PV375/07 OUT REC-LED Control 21PV375/01 Signal 21PV375/58 Recording LED 21PV375/39 OUT REC-LED Control Signal IC 201 (TV/VCR Micro Computer)
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Signal Signal Mark Function Mark Function Name Name Switching Signal of Capstan Motor FWD/REV Control OUT SCART-H Scart Jack and OUT C-F/R Signal (FWD=”L”/ RCA Jack REV=”H”) OSD-GND OSD GND Supply Reel S-REEL Rotation Signal Not Used Take Up Reel Not Used T-REEL Rotation Signal...
LEAD IDENTIFICATIONS [ 21PV375/ ( 01, 07, 39, 58 ) ] 2SD1913(R) TT2140LS-YB11 KTC2026Y 2SK2647 MID-32A22 2SC5885000RF 2SC4544 2SC5360 S: Souce E: Emitter D: Drain C: Collector G: Gate B: Base B C E S D G B C E 2SC1627Y-TPE2 KTC3199(GR) KRA103M...
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PRODUCT SAFETY NOTE: Products marked with a h have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don’t degrade the safety of the product through improper servicing. NOTES: C…..±0.25% D…..±0.5%...
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ELECTRICAL PARTS LIST Pos. 12 NC Description C212 CHIP CERAMIC CAP.(MELF) F Z 0.01UF/16V C213 ELECTROLYTIC CAP. 47UF/6.3V M H7 C214 ELECTROLYTIC CAP. 330UF/6.3V M C214 ELECTROLYTIC CAP. 330UF/6.3V M C217 CHIP CERAMIC CAP. CH D 10PF/50V C218 CHIP CERAMIC CAP. CH D 10PF/50V C221 ELECTROLYTIC CAP.
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ELECTRICAL PARTS LIST Pos. 12 NC Description C328 MYLAR CAP. 0.22UF/50V J C330 CHIP CERAMIC CAP.(MELF) F Z 0.01UF/16V C331 ELECTROLYTIC CAP. 47UF/10V M C332 CHIP CERAMIC CAP. F Z 0.1UF/50V C333 CHIP CERAMIC CAP. F Z 0.1UF/50V C334 CHIP CERAMIC CAP. F Z 0.1UF/50V C336 ELECTROLYTIC CAP.
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ELECTRICAL PARTS LIST Pos. 12 NC Description C476 CHIP CERAMIC CAP. B K 0.01UF/50V C478 CHIP CERAMIC CAP. F Z 0.1UF/50V C479 CHIP CERAMIC CAP. B K 0.01UF/50V C480 CHIP CERAMIC CAP. B K 0.01UF/50V C481 ELECTROLYTIC CAP. 0.47UF/50V M H7 C483 CHIP CERAMIC CAP.
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ELECTRICAL PARTS LIST Pos. 12 NC Description C875 CHIP CERAMIC CAP. CH J 220PF/50V C876 CHIP CERAMIC CAP. B K 0.01UF/50V CF101 9965 000 13835 CERAMIC RESONATOR 4.433MHZ MISCELLANEOUS 1006 3143 027 10221 TUN IF V+U PLL PHONO BGDKI 1006 3143 027 10241 TUN IF V+U PLL PHONO BGDKIL 5000...
EXPLODED VIEWS [ 21PV375/ ( 01, 07, 39, 58 ) ] Cabinet See Electrical Parts List for parts with this mark. Some Ref. Numbers are not in sequence. CL604 Junction B CBA CRT CBA Text CBA Sensor TB33 TB10 TB15 TB21 Junction A CBA Junction C CBA...
: Products marked with a PRODUCT SAFETY NOTE have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don’t degrade the safety of the product through improper servicing. *)Note: Pos.1 consists of A1-1...
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MECHANICAL PARTS LIST Pos. Pos. 12 NC Description Expl. View 0450 BOX FOLDED 21PV37X 0453 STYROFOAM TOP 21" 0454 STYROFOAM BOTTOM 21" 0455 BAG (==>MAINS CORD) 0469 TOPFOIL 0471 STRETCHFOIL 500/15 0150 9965 000 18143 RC RT352/111 TEST TAPES 0001 3143 023 20011 TEST TAPE FL6K(S) 0002...
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STANDARD MAINTENANCE [ 21PV375/(01, 07, 58, 39) ] Service Schedule of Components H: Hours : Check I: Change Deck Periodic Service Schedule Ref.No. Part Name 1,000 H 2,000 H 3,000 H 4,000 H Cylinder Assembly Loading Motor Assembly Pulley Assembly B587 Tension Lever Assembly AC Head Assembly...
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Cleaning Cleaning of Audio Control Head Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois 1.Remove the top cabinet. cloth. 2.Dip the cotton swab in 90% isopropyl alcohol and Procedure clean the audio control head.
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SERVICE FIXTURE AND TOOLS [ 21PV375/(01, 07, 58, 39) ] J-1-1, J-1-2 Ref. No. Name Part No. Adjustment J-1-1 Alignment Tape FL6A Electrical Adjustments J-1-2 Alignment Tape FL6NS8 Azimuth and X Value Adjustment of Audio Control Head / Adjustment of Envelope Waveform Guide Roller Adj.Screwdriver Available Guide Roller...
MECHANICAL ALIGNMENT PROCEDURES [ 21PV375/(01, 07, 58, 39) ] Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information below loaded position without a cassette tape on this page if a tape gets stuck, for example, in the 1.
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1.Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the center position every time a tape is loaded or unloaded. (Refer to page 2-3-8, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (FL6NS8) Guide Roller Adj.
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1-A. Preliminary/Final Checking and 3. Check to see that the tape runs without creasing at Alignment of Tape Path Take-up Guide Post [4] or without snaking between Guide Roller [3] and AC Head. (Fig. M3 and M5) Purpose: 4. If creasing or snaking is apparent, adjust the Tilt To make sure that the tape path is well stabilized.
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6. Press CH DOWN button on the unit until the CTL Dropping envelope level at the end of track. waveform has shifted from its original position (not the position achieved in step 5, but the position of CTL waveform in step 4) by approximately -2msec. Make sure that the envelope is simply attenuated (shrinks in height) once CTL waveform passes its original position and is further brought in the minus...
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DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM [ 21PV375/ ( 01, 07, 39, 58 ) ] Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
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REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER Loading Arm (SP) (+)Refer to Alignment [34] [26] DM2,DM14 Assembly Sec.Pg.2-4-16 Loading Arm (TU) (+)Refer to Alignment [35] [34] DM2,DM14 Assembly Sec.Pg.2-4-16 M Brake (TU) Assembly [36] [16],[26] DM1,DM15 (HI)
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(S-1) (S-1) (L-1) (L-3) (L-2) (P-1) Fig. DM5 [49] Fig. DM3 [50] Pin D (L-12) Pin C Pull up Slide Pin A Pin B Slot A (S-2) Slots B Slot A First, while pushing the locking tab as shown in the right, slide and pull up the right side on [2] to release Pin A and Pin B from the slots A.
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(S-4) (S-5) [14] (S-6) [15] Desolder from bottom (S-3) Lead with White Stripe Belt View for A Fig. DM7 Fig. DM9 Adj. Screw [11] [17] (L-4) (L-5) (P-3) [16] [13] [18] [12] (P-4) [10] (P-2) (S-7) Pin of [12] Pin of [10] Fig.
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[26] (S-8) (C-3) (S-9) (L-8) [23] (L-7) [24] (C-5) (C-4) (C-2) [28] [25] [29] [30] [19] Cap Belt [27] Fig. DM11 (C-1) [20] [31] [21] Position of Mode Lever when installed Pin of [37] Pin of [33] Pin of [36] Bottom View [26] [27]...
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ALIGNMENT PROCEDURES OF MECHANISM [ 21PV375/ ( 01, 07, 39, 58 ) ] Alignment 1 The following procedures describe how to align the individual gears and levers that make up the tape Loading Arm (SP) and (TU) Assembly loading/unloading mechanism. Since information Install Loading Arm (SP) and (TU) Assembly so that...