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TV-VCR Combination Service 14PV120 Service 14PV125 /01/07/39/58 14PV225 Service /01/07/39/58 14PV422 /01/07/39/58 14PV425 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.
FROM /TO 14PV422/01 SERVO/SYSTEM 14PV422/58 CONTROL BLOCK 14PV422/39 C-VIDEO TO CHROMA BLOCK 14PV125/07 14PV125/01 TU001 14PV125/58 VIDEO OUT 14PV125/39 14PV125/39 14PV120/07 IC401 14PV425/07 (VIDEO/AUDIO SIGNAL PROCESS) (DECK ASSEMBLY) SERIAL Y. DELAY DECORDER JK701 CYLINDER ASSEMBLY V-IN CL401 V(R) VIDEO (R) LUMINANCE...
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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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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[14PV120/07,14PV125/(01,07,39,57),14PV225/(01,07,39,57),14PV422/ (01,07,39,57),14PV425/07 ] Main 1/5 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS CONNECTOR RESISTORS RESISTORS C203 CN201 R220 R268 DIODES C205 R221 R269 C207 D201 R222 R270 C208 D202...
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MODEL MARK “ “ = SMD THE SAME VOLTAGE FOR INDICATES THAT THE VOLTAGE 14PV225/07 BOTH PLAY & REC MODES. IS NOT CONSISTENT HERE. 14PV225/01 14PV225/58 14PV225/39 14PV422/07 14PV422/01 14PV422/58 14PV422/39 14PV125/07 14PV125/01 14PV125/58 14PV125/39 14PV120/07 14PV425/07 1-8-44 1-8-45 T6410SCM1...
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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 C443 L402 R851 C402 C444 L403 R852 C403 C445 L852 R853 C404 C452 L854 R854 TRANSISTORS C405 C851 R856...
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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 C333 R156 C002 C334 R301 C006 C336 R302 C007 C338 R303 C008 C339 R304 C009 C340 R305 C012 C341 R306 C151 C344 R307...
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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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BOTH PLAY & REC MODES. IS NOT CONSISTENT HERE. Q682 Q684 Q685 Q686 “ “ = SMD Comparison Chart of Models and Marks MODEL MARK 14PV225/07 14PV225/01 14PV225/58 14PV225/39 14PV422/07 14PV422/01 14PV422/58 14PV422/39 14PV125/07 14PV125/01 14PV125/58 14PV125/39 14PV120/07 14PV425/07 T6410SCM4 1-8-52 1-8-53...
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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.
IC PIN FUNCTION DESCRIPTIONS [ 14PV120/07, 14PV125/ ( 01, 07, 39, 58 ), 14PV225/ ( 01, 07, 39, 58 ), 14PV422/ ( 01, 07, 39, 58 ), 14PV425/07 ] Comparison Chart of Models and Marks Signal Mark Function Name Model...
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Signal Signal Mark Function Mark Function Name Name M,N, OUT RGB-CONT RGB Control Signal O,Q, OUT OSD-B Blue Output R,S, Not Used OUT OSD-G Green Output U,V, W,Y, OUT OSD-R Red Output RAPID-Switch Input RAPIT-SW-IN Special Playback = Signal P,T,X OUT TRICK-H “H”...
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Signal Mark Function Name Capstan Motor C-FG Rotation Detection Pulse AMPVss AMPVss (GND) Not Used Drum Motor Phase/ D-PFG Frequency Generator AMP VREF- Standard Voltage Output AMP VREF- Standard Voltage Input C Terminal CTL (-) CTL (-) CTL (+) CTL (+) AMPC AMPC CTL AMP-...
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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 h 12 NC Pos. Description C222 CHIP CERAMIC CAP.(MELF) F Z 0.01UF/16V C223 CHIP CERAMIC CAP.(MELF) Y K 2200PF/35V 1 C224 CHIP CERAMIC CAP. F Z 0.1UF/50V C225 CHIP CERAMIC CAP. CH J 560PF/50V C226 CHIP CERAMIC CAP. F Z 0.1UF/50V C227 CHIP CERAMIC CAP.
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ELECTRICAL PARTS LIST h 12 NC Pos. Description C338 CHIP CERAMIC CAP.(MELF) Y K 1000PF/35V 1 C339 CHIP CERAMIC CAP.(MELF) F Z 0.01UF/16V C340 CHIP CERAMIC CAP.(MELF) SL J 100PF/50V C341 CHIP CERAMIC CAP.(MELF) F Z 0.01UF/16V C344 CHIP CERAMIC CAP.(MELF) Y K 1000PF/35V 1 C350 ELECTROLYTIC CAP.
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ELECTRICAL PARTS LIST h 12 NC Pos. Description C486 ELECTROLYTIC CAP. 2.2UF/50V M H7 C681 ELECTROLYTIC CAP. 220UF/16V M C682 ELECTROLYTIC CAP. 220UF/16V M C683 ELECTROLYTIC CAP. 10UF/50V M C684 CHIP CERAMIC CAP.(MELF) SL J 100PF/50V C687 ELECTROLYTIC CAP. 47UF/25V M C688 ELECTROLYTIC CAP.
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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.
MECHANICAL ALIGNMENT PROCEDURES [ 14PV120/07, 14PV125/ ( 01, 07, 39, 58 ), 14PV225/ ( 01, 07, 39, 58 ), 14PV422/ ( 01, 07, 39, 58 ), 14PV425/07 ] Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page.
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 (FL6N8) 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...
DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM [ 14PV120/07, 14PV125/ ( 01, 07, 39, 58 ), 14PV225/ ( 01, 07, 39, 58 ), 14PV422/ ( 01, 07, 39, 58 ), 14PV425/07 ] Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS.)
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REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER [31] [25] BT Arm DM2,DM14 *(P-6) Loading Arm (SP) (+)Refer to Alignment [32] [25] DM2,DM14 Assembly Sec.Pg.2-4-17 Loading Arm (TU) (+)Refer to Alignment [32] [33] DM2,DM14 Assembly Sec.Pg.2-4-17 [34] [2],[25] M Brake (TU) Assembly...
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(S-1) (S-1) (L-1) (L-3) (L-2) (P-1) Fig. DM5 [46] Fig. DM3 [47] Pin D (L-14) 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 at 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) [16] [15] Desolder from bottom (S-3) Lead with White Stripe Belt View for A Fig. DM7 Fig. DM9 Adj. Screw [11] [18] (L-4) (L-5) (P-3) [17] [13] [19] [12] (P-4) [10] (P-2) (S-7) Pin of [12] Pin of [10] Fig.
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[22] (C-4) (S-8) (C-1) [23] (L-6) [21] (P-5) [20] Cap Belt (P-5) [28] Fig. DM11 When installing [23], install the spring (P-5) to [28] as shown in the left figure, and then install [23] while Pin on pressing the spring (P-5) to bottom the direction of the arrow in of [23]...
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(P-6) [25] [31] Refer to the Alignment (C-3) Section, Page 2-4-17. (S-9) [29] [33] [30] (L-11) [32] (L-10) (L-8) (C-2) [27] [28] [24] [26] (L-9) Fig. DM14 [36] Position of Mode Lever when installed Break belt Pin of [35] (P-7) Pin of [31] Pin of [34] [34]...
ALIGNMENT PROCEDURES OF MECHANISM [ 14PV120/07, 14PV125/ ( 01, 07, 39, 58 ), 14PV225/ ( 01, 07, 39, 58 ), 14PV422/ ( 01, 07, 39, 58 ), 14PV425/07 ] The following procedures describe how to align the Alignment 1 individual gears and levers that make up the tape...
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Deck Mechanism View 3 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 L1321 B347 L1321 B355 B354 B483 B425 B482 B562 B300 B563 B313 B529 B360 B359 B361 B555 B561 B303 Some Ref. Numbers are not in sequence. B514 2-5-6 T6410DEX...
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DECK PARTS LIST DECK PARTS LIST Pos. 12 NC Description Pos. 12 NC Description CYLINDER ASS. 996500017189 B525 996500012230 LDG BELT MK11 MK12 PAL 2HD 2SP 996500017217 LOADING MOTOR B529 996500008504 CLEANER ASS. MK10 996500017191 PULLEY ASS. MK12 B553 996500012233 REV SPRING MK11 996500016632 MOVING GUIDE S PREP.