Orava VR-455 Service Manual

41, 20040510 1-15-3 HG320EL CHIP CERAMIC CAP.(1608) F Z 0.1µF/25V or CHD1EZ30F104 CHIP CERAMIC CAP. FZ Z 0.1µF/50V CHD1JZ3FZ104 C535 CHIP CERAMIC CAP.(1608) B K 0.01µF/50V CHD1JK30B103 C538 CHIP CERAMIC CAP.(1608) B K 0.022µF/50V or CHD1JK30B223 CHIP CERAMIC CAP.(1608) B K 0.022µF/25V CHD1EK30B223 C563 CHIP CERAMIC CAP. F Z 1µF/10V or CHD1AZB0F105 CHIP CERAMIC CAP. F Z 1µF/10V CHD1AZ30F105 C564 CHIP CERAMIC CAP.(1608) CH J 100pF/50V or CHD1JJ3CH101 CHIP CERAMIC CAP.(1608) CG J 100pF/50V CHD1JJ3CG101 C567 CHIP CERAMIC CAP.(1608) F Z 0.1µF/…

9, 1-4-1 HG240PFS PREPARATION FOR SERVICING How to Enter the Service Mode About Optical Sensors Caution: An optical sensor system is used for the Tape Start and End Sensors on this equipment. Carefully read and follow the instructions below. Otherwise the unit may operate erratically. What to do for preparation Insert a tape into the Deck Mechanism Assembly and press the PLAY button. The tape will be loaded into the Deck Mechanism Assembly. Make sure the power is on, connect TP507 (S-INH) to GND. This will stop the function of Tape …

43, Orava VR-455 20040510 1-15-5 HG320EL CARBON RES. 1/4W J 100k Ω RCX4JATZ0104 R015 CHIP RES.(1608) 1/10W J 10k Ω RRXAJR5Z0103 R016 CARBON RES. 1/6W J 100k Ω or RCX6JATZ0104 CARBON RES. 1/4W J 100k Ω RCX4JATZ0104 R017 CHIP RES.(1608) 1/10W J 220k Ω RRXAJR5Z0224 R018 CHIP RES.(1608) 1/10W J 22k Ω RRXAJR5Z0223 R021 CHIP RES.(1608) 1/10W J 1k Ω RRXAJR5Z0102 R022 CHIP RES.(1608) 1/10W J 4.7k Ω RRXAJR5Z0472 R023 CHIP RES.(1608) 1/10W F 2.2k Ω or RRXAFR5H0222 CHI…

18, 1-7-5 HG320FIS FUNCTION INDICATOR SYMBOLS Note: The following symbols will appear on the indicator panel to indicate the current mode or operation of the VCR. On-screen modes will also be momentarily displayed on the tv screen when you press the operation buttons. Display panel " H "= LED Light on, " L "= LED Light off MODE INDICATOR ACTIVE STANDBY Power on = " H " Power off = " L " FUNCTION VCR mode = " H " TV…

65, 2-6-1 U29P4HSDEX DECK EXPLODED VIEWS Deck Mechanism View 1 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 Some Ref. Numbers are not in sequence. B12 B492 B11 B571 B37 B126 B8 B121 L1450 L1450 B86 L1466 B501 Chassis Assembly Top View (Lubricating Point) Chassis Assembly Bottom View (Lubricating Point) L1051 B35 B410 B411 B494 B567 L1053 B74 L1467 B553 B10 L1191 B73 B9 B2 L1322 B5 …

14, BLOCK DIAGRAMS Servo/System Control Block Diagram HG320BLS M M LOADING MOTOR CAPSTAN MOTOR CN504 MAIN CBA KEY- 2 C-CONT C-FG D-PFG ST-S T-REEL C-F/R KEY- 1 REMOCON-IN CTL(+) RESET PG-DELAY CTL(-) D-V SYNC D-REC-H RF-SW H-A-SW C-ROTA END-S 14 90 87 94 95 CTL AMP OUT 97 76 10 4 80 34 78 2 15 13 18 33 16 31 8 7 RS501 REMOTE SENSOR 81 D-CONT 77 T-REEL Q501 Q562 Q563 Q564 Q565 RESET Q503 S-REEL 79 SW-POINT AL+5V VR501 TIMER+5V S-REEL PS503 IIC-BUS SDA IIC-BUS SDA IIC-BUS SCL A-MUTE-H A-MUTE-H H-A-COMP 17 V-ENV 6 P-ON-H C-…

44, 20040510 1-15-6 HG320EL R518 CHIP RES.(1608) 1/10W J 470 Ω RRXAJR5Z0471 R520 CHIP RES.(1608) 1/10W J 10k Ω RRXAJR5Z0103 R521 CHIP RES.(1608) 1/10W J 220k Ω RRXAJR5Z0224 R522 CHIP RES.(1608) 1/10W J 39k Ω RRXAJR5Z0393 R523 CHIP RES.(1608) 1/10W J 10k Ω RRXAJR5Z0103 R524 CHIP RES.(1608) 1/10W J 5.6k Ω RRXAJR5Z0562 R525 CHIP RES.(1608) 1/10W J 1.5k Ω RRXAJR5Z0152 R526 CHIP RES.(1608) 1/10W J 1.8k Ω RRXAJR5Z0182 R527 CHIP RES.(1608) 1/10W J 680 Ω RRXAJR5Z0681 R528 CHIP RES.(1608) 1/10W J 18k Ω RRXAJR5Z0183 R529 CARBON RES. 1/4W J 270…

7, 1-3-2 NOTE_1 3. The flat pack-IC on the CBA is affixed with glue, so be careful not to break or damage the foil of each pin or the solder lands under the IC when removing it. With Soldering Iron: (1) Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it easily. (Fig. S-1-3) (2) Lift each lead of the flat pack-IC upward one by …

45, Orava VR-455 20040510 1-15-7 HG320EL JACK CBA SENSOR CBA TP501 PCB JUMPER D0.6-P6.0 JW6.0T TP502 PCB JUMPER D0.6-P5.0 JW5.0T TP506 PCB JUMPER D0.6-P5.0 JW5.0T TP507 PCB JUMPER D0.6-P6.0 JW6.0T TU701 TUNER UNIT TMDG2-861A UTUNPLGAL014 VR501 CARBON P.O.T. 100k Ω B VRCB104HH014 X301 X'TAL 4.433619MHz or FXC445LLN001 X'TAL 4.433619MHz 1811388 X501 X'TAL 12.000MHz FXD126LDS001 X502 X'TAL 32.768kHz(20PPM) or FXC323LQUA01 X'TAL 32.768kHz(20PPM) FXC323LDS002 Ref. No. Description Par…

55, 2-4-1 U29PHSDA DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM 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; see the positions of [44] and [45] in Fig. DM1H on page 2-4-3. When reassembling, follow the steps in reverse order. STEP /LOC. No. START- ING No. PART REMOVAL INSTALLATION F…

38, Orava VR-455 20040510 1-14-1 HG320CA MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a ! 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 ser- vicing. NOTE: Parts that are not assigned part numbers (---------) are not available. Ref. No. Description Part No. A…

5, Orava VR-455 1-2-2 U29PSFP Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original posi- tions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety standards. 1. Clearance Distance When replacing primary circuit components, confirm specified clearance distance (d) and (d’) between sol- dered terminals, and between …

64, 2-5-1 U29PHSAPM ALIGNMENT PROCEDURES OF MECHANISM The following procedures describe how to align the individual gears and levers that make up the tape load- ing/unloading mechanism. Since information about the state of the mechanism is provided to the System Control Circuit only through the Mode Switch, it is essential that the correct relationship between individ- ual gears and levers be maintained. All alignments are to be performed with the mech- anism in Eject mode, in the sequence given. Each pr…

61, 2-4-7 U29PHSDA [19] Cap Belt (S-8) [19] [20] Cap Belt A Installation position of Cap Belt View for A Fig. DM11H (L-6) [22] [20] (C-1) [21] [27] Pin on [22] Position of pin on [22] turn Fig. DM12H …

40, 20040510 1-15-2 HG320EL CHIP CERAMIC CAP.(1608) F Z 0.1µF/25V or CHD1EZ30F104 CHIP CERAMIC CAP. FZ Z 0.1µF/50V CHD1JZ3FZ104 C321 CHIP CERAMIC CAP.(1608) F Z 0.1µF/50V or CHD1JZ30F104 CHIP CERAMIC CAP.(1608) F Z 0.1µF/25V or CHD1EZ30F104 CHIP CERAMIC CAP. FZ Z 0.1µF/50V CHD1JZ3FZ104 C322 ELECTROLYTIC CAP. 10µF/16V M H7 CE1CMAVSL100 C323 CHIP CERAMIC CAP.(1608) F Z 0.1µF/50V or CHD1JZ30F104 CHIP CERAMIC CAP.(1608) F Z 0.1µF/25V or CHD1EZ30F104 CHIP CERAMIC …

47, 2-1-1 U29PHSMEN STANDARD MAINTENANCE Service Schedule of Components This maintenance chart shows you the standard of replacement and cleaning time for each part. Because those may replace depending on environment and purpose for use, use the chart for reference. Notes: 1.Clean all parts for the tape transport (Upper Drum with Video Head / Pinch Roller / ACE Head / FE Head) using 90% lsopropyl Alcohol. 2.After cleaning the p…

58, Orava VR-455 2-4-4 U29PHSDA [1] (S-1) (S-1) Fig. DM3H [2] Locking tab View for 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. Then, remove Pin C and Pin D on [2] from the slots B as shown. Pin A Slots B Pin C Pin B Pin D Slot A Slot A Fig. DM4H Pull up Slide 1 2 A [3] [6] [6] (L-2) Pin A Hole A Pin B Hole B (L-1) First, insert [6] diagonall…

62, Orava VR-455 2-4-8 U29PHSDA [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 View First tooth on [47] First groove on [27] Align [26] and [27] as shown. Pin of [36] Pin of [33] Position of Mode Lever when installed Pin of [37] Bottom View Installation of [26] When reassembling [27], meet the first groove on [27] to the first tooth on [47] as shown. Fig. DM13H-2 [32] (L-9) (P-5) [34] [35] Refer to the Alignment Section, Pa…

39, 20040510 1-15-1 HG320EL ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a ! 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 ser- vicing. NOTES: 1. Parts that are not assigned part numbers (---------) are not available. 2. Tolerance of Capacitors and Resistors are noted with the following symbols. MC…

53, 2-3-4 U29P4HSMA 5. To shift the CTL waveform, press CH UP or CH DOWN button on the remote control unit. Then make sure that the maximum output position of PB FM envelope signal become within ±2ms from pre- set position. 6. Set the Tracking Control Circuit to the preset posi- tion by pressing CH UP button on the remote con- trol unit. and then “PLAY” button. 1-C. Checking/Adjustment of Envelope Waveform Purpose: To achieve a satisfactory picture, adjust the PB FM envelope becomes as flat as possible. Symptom of Misalignment: If th…

12, Orava VR-455 1-5-3 HG240DC Fig. D5 (S-7) [5] Deck Assembly FE Head Cylinder Assembly ACE Head Assembly [7] Cylinder Shield [6] Main CBA (S-6) (S-6) From FE Head From Cylinder Assembly From ACE Head Assembly Lead with white stripe Lead with blue stripe Desolder from bottom Lead with blue stripe From Capstan Motor Assembly Lead connections of Deck Assembly and Main CBA Printing side TOP VIEW Fig. D6 [6] Main CBA SW507 LD-SW LD-SW Pin Hole Hole Shaft Cam Gear [6] Main CBA [5] Deck Assembly Pin …

3, 1-1-1 HG240SP SPECIFICATIONS Note: Nominal specs represent the design specs. All units should be able to approximate these – some will exceed and some may drop slightly below these specs. Limit specs represent the absolute worst condition that still might be considered acceptable; In no case should a unit fail to meet limit specs. Description Unit Minimum Nominal Maximum Remark 1. Video 1-1. Video Output (PB) Vp-p 0.8 1.0 1.2 FL6A 1-2. Video Output (R/P) Vp-p 0.8 1.0 1.2 1-3. Video S/N Y …

48, Orava VR-455 2-1-2 U29PHSMEN Cleaning Cleaning of Video Head Clean the head with a head cleaning stick or chamois cloth. Procedure 1.Remove the top cabinet. 2.Put on a glove (thin type) to avoid touching the upper and lower drum with your bare hand. 3.Put a few drops of 90% Isopropyl alcohol on the head cleaning stick or on the chamois cloth and, by slightly pressing it against the head tip, turn the upper drum to the right and to the left. Notes: 1.The video head surface is made of very hard material, but since it is v…

26, 1-8-11 1-8-12 HG320SCM5 Main 5/5 Schematic Diagram NOTE : The voltage for parts in hot circuit is measured using hot GND as a common terminal. CAUTION ! For continued protection against fire hazard, replace only with the same type fuse. CAUTION ! Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. If Main Fuse (F001) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may ca…