Magnavox DVC840F, MWD2205, DVC865F Schematic

SERVICE MANUAL

Main Section

ISpecifications

IPreparation for Servicing

IAdjustment Procedures

ISchematic Diagrams

ICBA’s

IExploded Views

IParts List

When servicing the deck mechanism, refer to MK14 Deck Mechanism Section.

Deck Mechanism Part No.:

N2440FL, N2460FL

DVD PLAYER &

VIDEO CASSETTE RECORDER

DVC840F

MWD2205 DVC865F

IMPORTANT SAFETY NOTICE

Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

It is important to note that this service manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Funai could not possibly know, evaluate and advice the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way. Consequently, Funai has not undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not recommended by Funai must first use all precautions thoroughly so that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected.

Manufactured under license from Dolby Laboratories.

“Dolby” and the double-D symbol are trademarks of Dolby Laboratories.

MAIN SECTION

DVD PLAYER &

VIDEO CASSETTE RECORDER

DVC840F/MWD2205/

DVC865F

Main Section

ISpecifications

IPreparation for Servicing

IAdjustment Procedures

ISchematic Diagrams

ICBA’s

IExploded Views

IParts List

TABLE OF CONTENTS

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1-1 Laser Beam Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2-1 Important Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3-1 Standard Notes for Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4-1 Preparation for Servicing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-1 Cabinet Disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6-1 Electrical Adjustment Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7-1 How to Initialize the DVD Player & VCR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8-1 Firmware Renewal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9-1 Function Indicator Symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10-1 Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11-1 Schematic Diagrams / CBA’s and Test Points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12-1 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13-1 Wiring Diagram < VCR Section > . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14-1 Wiring Diagram < DVD Section > . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14-2 System Control Timing Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15-1 IC Pin Function Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16-1 Lead Identifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17-1 Exploded Views. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18-1 Mechanical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19-1 Electrical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20-1

SPECIFICATIONS

< VCR Section >

Description	Unit	Minimum	Nominal	Maximum	Remark
1. Video
1-1. Video Output (PB)	Vp-p	0.8	1.0	1.2	SP Mode
1-2. Video Output (R/P)	Vp-p	0.8	1.0	1.2
1-3. Video S/N Y (R/P)	dB	40	45		SP Mode,
					W/O Burst
1-4. Video Color S/N AM (R/P)	dB	35	41		SP Mode
1-5. Video Color S/N PM (R/P)	dB	33	36		SP Mode
1-6. Resolution (PB)	Line	230	245		SP Mode
2. Servo
2-1. Jitter Low	sec		0.07	0.12	SP Mode
2-2. Wow & Flutter	%		0.3	0.5	SP Mode
3. Normal Audio
3-1. Output (PB)	dBV	-9	-6	-3	SP Mode
3-2. Output (R/P)	dBV	-9	-6	-1.5	SP Mode
3-3. S/N (R/P)	dB	36	41		SP Mode
3-4. Distortion (R/P)	%		1.0	4.0	SP Mode
3-5. Freq. resp (R/P) at 200 Hz	dB	-11	-4		SP Mode
(-20 dB ref. 1 kHz) at 8 kHz	dB	-14	-4		SP Mode
4. Tuner
4-1. Video output	Vp-p	0.8	1.0	1.2	E-E Mode
4-2. Video S/N	dB	39	42		E-E Mode
4-3. Audio output	dB	-10	-6	-2	E-E Mode
4-4. Audio S/N	dB	40	46		E-E Mode
5. Hi-Fi Audio [ DVC865F ]
5-1. Output	dBV	-12	-8	-4	SP Mode
5-2. Dynamic Range	dB	70	80		SP Mode
5-3. Freq. resp (6 dB B.W)	Hz		20 ~ 20 k		SP Mode

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.

1-1-1

H9801SP

< DVD Section >

		Item	Conditions	Unit	Nominal	Limit
1.	Video Output		75 Ω load	Vpp	1.0	± 0.1
2.	Coaxial Digital Out		75 Ω load	mVpp	500	± 50
3.	Audio (PCM)
	3-1.	Output Level	1 kHz, 0 dB	Vrms	2.0
	3-2.	S/N		dB	100
	3-3.	Freq. Response
		DVD	fs = 48 kHz ± 0.5 dB	Hz	20 ~ 22 k
		CD	fs = 44.1 kHz ± 0.5 dB	Hz	20 ~ 20 k
	3-4. THD+N
		DVD	1 kHz, 0 dB	%	0.01
		CD	1 kHz, 0 dB	%	0.01

Notes:

1.All Items are measured without pre-emphasis unless otherwise specified.

2.Power supply: AC 120 V, 60 Hz

3.Load imp.: 100 kΩ

4.Ambient Temperature: +25 °C

1-1-2

H9801SP

LASER BEAM SAFETY PRECAUTIONS

This DVD player uses a pickup that emits a laser beam.

Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin.

The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30 cm away from the pickup lens when the diode is turned on. Do not look directly at the laser beam.

CAUTION: Use of controls and adjustments, or doing procedures other than those specified herein, may result in hazardous radiation exposure.

Drive Mecha Assembly

Laser Beam Radiation

Laser Pickup

Turntable

CAUTION

LASER RADIATION

WHEN OPEN. DO NOT

STARE INTO BEAM.

Location: Top of DVD mechanism.

1-2-1

E6NLSP

IMPORTANT SAFETY PRECAUTIONS

Product Safety Notice

Some electrical and mechanical parts have special safety-related characteristics which are often not evident from visual inspection, nor can the protection they give necessarily be obtained by replacing them with components rated for higher voltage, wattage, etc. Parts that have special safety characteristics are identified by a # on schematics and in parts lists. Use of a substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock, fire, and/or other hazards. The Product’s Safety is under review continuously and new instructions are issued whenever appropriate. Prior to shipment from the factory, our products are carefully inspected to confirm with the recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.

Precautions during Servicing

A.Parts identified by the # symbol are critical for safety. Replace only with part number specified.

B.In addition to safety, other parts and assemblies are specified for conformance with regulations applying to spurious radiation. These must also be replaced only with specified replacements. Examples: RF converters, RF cables, noise blocking capacitors, and noise blocking filters, etc.

C.Use specified internal wiring. Note especially:

1)Wires covered with PVC tubing

2)Double insulated wires

3)High voltage leads

D.Use specified insulating materials for hazardous live parts. Note especially:

1)Insulation tape

2)PVC tubing

3)Spacers

4)Insulators for transistors

E.When replacing AC primary side components (transformers, power cord, etc.), wrap ends of wires securely about the terminals before soldering.

F.Observe that the wires do not contact heat producing parts (heat sinks, oxide metal film resistors, fusible resistors, etc.).

G.Check that replaced wires do not contact sharp edges or pointed parts.

H.When a power cord has been replaced, check that 5 - 6 kg of force in any direction will not loosen it.

I.Also check areas surrounding repaired locations.

J.Be careful that foreign objects (screws, solder droplets, etc.) do not remain inside the set.

K.Crimp type wire connector

The power transformer uses crimp type connectors which connect the power cord and the primary side of the transformer. When replacing the transformer, follow these steps carefully and precisely to prevent shock hazards.

Replacement procedure

1)Remove the old connector by cutting the wires at a point close to the connector.

Important: Do not re-use a connector. (Discard it.)

2)Strip about 15 mm of the insulation from the ends of the wires. If the wires are stranded, twist the strands to avoid frayed conductors.

3)Align the lengths of the wires to be connected. Insert the wires fully into the connector.

4)Use a crimping tool to crimp the metal sleeve at its center. Be sure to crimp fully to the complete closure of the tool.

L.When connecting or disconnecting the internal connectors, first, disconnect the AC plug from the AC outlet.

1-3-1

DVDN_ISP

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 positions. 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 soldered terminals, and between terminals and surrounding metallic parts. (See Fig. 1)

Table 1: Ratings for selected area

AC Line Voltage	Clearance Distance (d), (d’)
120 V	≥ 3.2 mm (0.126 inches)

Note: This table is unofficial and for reference only. Be sure to confirm the precise values.

Chassis or Secondary Conductor
Primary Circuit Terminals
d'	d

Fig. 1

2. Leakage Current Test

Confirm the specified (or lower) leakage current between B (earth ground, power cord plug prongs) and externally exposed accessible parts (RF terminals, antenna terminals, video and audio input and output terminals, microphone jacks, earphone jacks, etc.) is lower than or equal to the specified value in the table below.

Measuring Method (Power ON):

Insert load Z between B (earth ground, power cord plug prongs) and exposed accessible parts. Use an AC voltmeter to measure across the terminals of load Z. See Fig. 2 and the following table.

Table 2: Leakage current ratings for selected areas

Exposed Accessible Part

Z

AC Voltmeter

(High Impedance)

BEarth Ground

Power Cord Plug Prongs

Fig. 2

	AC Line Voltage	Load Z	Leakage Current (i)	Earth Ground (B) to:
	120 V	0.15 µF CAP. & 1.5 kΩ RES.	i ≤ 0.5 mA Peak	Exposed accessible parts
		Connected in parallel
	Note: This table is unofficial and for reference only. Be sure to confirm the precise values.

1-3-2

DVDN_ISP

STANDARD NOTES FOR SERVICING

Circuit Board Indications

1.The output pin of the 3 pin Regulator ICs is indicated as shown.

Top View	Bottom View
Out	Input
	In

2.For other ICs, pin 1 and every fifth pin are indicated as shown.

5

Pin 1

10

3.The 1st pin of every male connector is indicated as shown.

Pin 1

Instructions for Connectors

1.When you connect or disconnect the FFC (Flexible Foil Connector) cable, be sure to first disconnect the AC cord.

2.FFC (Flexible Foil Connector) cable should be inserted parallel into the connector, not at an angle.

FFC Cable

Connector

CBA

Pb (Lead) Free Solder

When soldering, be sure to use the Pb free solder.

How to Remove / Install Flat Pack-IC

1. Removal

With Hot-Air Flat Pack-IC Desoldering Machine:

1.Prepare the hot-air flat pack-IC desoldering machine, then apply hot air to the Flat Pack-IC (about 5 to 6 seconds). (Fig. S-1-1)

Fig. S-1-1

2.Remove the flat pack-IC with tweezers while applying the hot air.

3.Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6)

4.Release the flat pack-IC from the CBA using tweezers. (Fig. S-1-6)

CAUTION:

1.The Flat Pack-IC shape may differ by models. Use an appropriate hot-air flat pack-IC desoldering machine, whose shape matches that of the Flat Pack-IC.

2.Do not supply hot air to the chip parts around the flat pack-IC for over 6 seconds because damage to the chip parts may occur. Put masking tape around the flat pack-IC to protect other parts from damage. (Fig. S-1-2)

* Be careful to avoid a short circuit.

1-4-1

DVDN_SN

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.

	Hot-air
	Flat Pack-IC
	Desoldering
CBA	Machine
Masking	Flat Pack-IC
Tape
Tweezers
	Fig. S-1-2

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)

Flat Pack-IC	Desoldering Braid

Soldering Iron

Fig. S-1-3

2.Lift each lead of the flat pack-IC upward one by one, using a sharp pin or wire to which solder will not adhere (iron wire). When heating the pins, use a fine tip soldering iron or a hot air desoldering machine. (Fig. S-1-4)

Sharp

Pin

Fine Tip

Soldering Iron

Fig. S-1-4

3.Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6)

4.Release the flat pack-IC from the CBA using tweezers. (Fig. S-1-6)

1-4-2

DVDN_SN

With Iron Wire:

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.Affix the wire to a workbench or solid mounting point, as shown in Fig. S-1-5.

3.While heating the pins using a fine tip soldering iron or hot air blower, pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig. S-1-5.

4.Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6)

5.Release the flat pack-IC from the CBA using tweezers. (Fig. S-1-6)

Note: When using a soldering iron, care must be taken to ensure that the flat pack-IC is not being held by glue. When the flat pack-IC is removed from the CBA, handle it gently because it may be damaged if force is applied.

Hot Air Blower

or

Iron Wire

Soldering Iron

To Solid

Mounting Point

Fig. S-1-5

CBA	Fine Tip
	Soldering Iron
	Flat Pack-IC
Tweezers
	Fig. S-1-6

2. Installation

1.Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA so you can install a replacement flat pack-IC more easily.

2.The “●” mark on the flat pack-IC indicates pin 1. (See Fig. S-1-7.) Be sure this mark matches the 1 on the PCB when positioning for installation. Then presolder the four corners of the flat pack-IC. (See Fig. S-1-8.)

3.Solder all pins of the flat pack-IC. Be sure that none of the pins have solder bridges.

Example :

Pin 1 of the Flat Pack-IC
is indicated by a " " mark.	Fig. S-1-7

Presolder

Flat Pack-IC

CBA

Fig. S-1-8

1-4-3

DVDN_SN

Instructions for Handling Semiconductors

Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work.

1. Ground for Human Body

Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.

2. Ground for Workbench

Be sure to place a conductive sheet or copper plate with proper grounding (1 MΩ) on the workbench or other surface, where the semi-conductors are to be placed. Because the static electricity charge on clothing will not escape through the body grounding band, be careful to avoid contacting semi-conductors with your clothing.

<Incorrect>
	CBA
<Correct>	Grounding Band
	1MΩ
	CBA
1MΩ

Conductive Sheet or

Copper Plate

1-4-4

DVDN_SN

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 TP502 (S-INH) to GND. This will stop the function of Tape Start Sensor, Tape End Sensor and Reel Sensors. (If these TPs are connected before plugging in the unit, the function of the sensors will stay valid.) See Fig. 1.

Q503

Q504

TP502

S-INH

Fig. 1

Note: Because the Tape End Sensors are inactive, do not run a tape all the way to the start or the end of the tape to avoid tape damage.

1-5-1

H9801PFS

CABINET DISASSEMBLY INSTRUCTIONS

1. Disassembly Flowchart

This flowchart indicates the disassembly steps to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route, and dress the cables as they were originally.

[1] Top Case

[2]Front Assembly

[3] Top Bracket

[4]DVD Mecha Assembly [7] DVD Main CBA Unit

[5]Partition Plate

[6]Loader Holder

[8]VCR Chassis Unit

[9]Deck Assembly

[10]DVD Open/Close CBA

[11]Main CBA

2.Disassembly Method

	ID/			Removal
				Remove/*Unhook/
	Loc.	Part	Fig.
	No.			Unlock/Release/	Note
			No.
				Unplug/Desolder
	[1]	Top Case	D1	4(S-1)	---
	[2]	Front	D2	*3(L-1), *3(L-2)	1
		Assembly
	[3]	Top Bracket	D2	3(S-2)	---
	[4]	DVD Mecha	D3	4(S-3), *CN401,	---
		Assembly		*CN601
	[5]	Partition	D3	2(S-4)	---
		Plate
	[6]	Loader	D3	2(S-5)	---
		Holder
	[7]	DVD Main	D4	(S-6), *CN201,	2, 3
		CBA Unit		*CN301
		VCR
	[8]	Chassis	D5	5(S-7), (S-8)	-
		Unit
	[9]	Deck	D6	Desolder,	4, 5
		Assembly		(S-9), (S-10), (S-11)
	[10]	DVD Open/	D6	Desolder	---
		Close CBA

ID/			Removal
			Remove/*Unhook/
Loc.	Part	Fig.
No.			Unlock/Release/	Note
		No.
			Unplug/Desolder
[11]	Main CBA	D6	----------	---
↓	↓	↓	↓	↓
(1)	(2)	(3)	(4)	(5)

Note:

(1)Identification (location) No. of parts in the figures

(2)Name of the part

(3)Figure Number for reference

(4)Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or desoldered.

P = Spring, L = Locking Tab, S = Screw, CN = Connector

*= Unhook, Unlock, Release, Unplug, or Desolder e.g. 2(S-2) = two Screws (S-2),

2(L-2) = two Locking Tabs (L-2)

(5)Refer to “Reference Notes.”

Reference Notes

1.CAUTION 1: Locking Tabs (L-1) and (L-2) are fragile. Be careful not to break them.

1)Release three Locking Tabs (L-1).

2)Release three Locking Tabs (L-2), then remove the Front Assembly.

2.CAUTION 2: Electrostatic breakdown of the laser diode in the optical system block may occur as a potential difference caused by electrostatic charge accumulated on cloth, human body etc, during unpacking or repair work.

To avoid damage of pickup follow next procedures.

1)Disconnect Connector (CN301). Remove a Screw (S-6) and lift the DVD Main CBA Unit. (Fig. D4)

2)Short the three short lands of FPC cable with solder before removing the FFC cable (CN201) from it. If you disconnect the FFC cable (CN201), the laser diode of pickup will be destroyed. (Fig. D4)

3.CAUTION 3: When reassembling, confirm the FFC cable (CN201) is connected completely. Then remove the solder from the three short lands of FPC cable. (Fig. D4)

4.When reassembling, solder wire jumpers as shown in Fig. D6.

1-6-1

H9801DC

5.Before installing the Deck Assembly, be sure to place the pin of LD-SW on Main CBA as shown in Fig. D6. Then, install the Deck Assembly while aligning the hole of Cam Gear with the pin of LDSW, the shaft of Cam Gear with the hole of LD-SW as shown in Fig. D6.

[1] Top Case	(S-1)
	Fig. D1
	(S-2)

[3] Top Bracket

(S-2)

(L-1)

(L-1)

[2] Front

(L-2)	Assembly
	Fig. D2

	(S-3)	CN401
		CN601
		(S-3)
	[4] DVD Mecha
	Assembly
	(S-5)	(S-3)
		(S-4)
	[6] Loader
	Holder
		[5] Partition Plate
		Fig. D3
		(S-6)

[7] DVD Main

(S-6)

CBA Unit

CN301	CN201
	A
DVD Mecha

Short the three short lands by soldering. (Either of two places.)

Connector View for A

Fig. D4

1-6-2

H9801DC

(S-7)

(S-7)

(S-7)

(S-8)

[8] VCR Chassis Unit

Fig. D5

1-6-3

H9801DC

Cylinder
Assembly
FE Head	ACE Head
		Pin
	Assembly
	[9] Deck Assembly			SW512
				LD-SW
	(S-11)
		[11] Main CBA
		[9] Deck Assembly
(S-9)				Cam Gear
	[11] Main CBA
[10] DVD			Hole
		Shaft
Open/Close CBA	(S-10)
	Desolder	Hole
		LD-SW	Pin
	Lead with			[11] Main CBA
	blue stripe
		From	From
		ACE Head
			Cylinder
		Assembly
			Assembly
		Lead with
		blue stripe	Desolder
		Lead with
		blue stripe
			From	Lead with
			FE Head
				red stripe
		Desolder
		Printing side
	From
	Capstan	Desolder
	Motor
	Assembly
		BOTTOM VIEW
	Lead connections of Deck Assembly and Main CBA
				Fig. D6
		1-6-4		H9801DC

3. HOW TO EJECT MANUALLY

1.Remove the Top Case, Front Assembly and Top Bracket.

2.Remove four Screws (S-3) in Fig. D3. Do not disconnect connectors.

3.While lifting up the DVD Mecha, rotate the roulette in the direction of the arrow as shown below.

4.Pull the tray slowly with a hand.

View for A

Rotate this roulette in

the direction of the arrow

A

DVD Mecha

1-6-5

H9801DC

ELECTRICAL ADJUSTMENT INSTRUCTIONS

General Note: “CBA” is abbreviation for “Circuit Board Assembly.”

NOTE:

1.Electrical adjustments are required after replacing circuit components and certain mechanical parts. It is important to do these adjustments only after all repairs and replacements have been completed. Also, do not attempt these adjustments unless the proper equipment is available.

2.To perform these alignment / confirmation procedures, make sure that the tracking control is set in the center position: Press either [CHANNEL L] or [CHANNEL K] button on the front panel first, then the [PLAY] button on the front panel.

Test Equipment Required

1.Oscilloscope: Dual-trace with 10:1 probe, V-Range: 0.001~50 V/Div.,

F-Range: DC~AC-20 MHz

2.Alignment Tape (FL8A)

Head Switching Position

Adjustment

Purpose: To determine the Head Switching position during playback.

Symptom of Misadjustment: May cause Head Switching noise or vertical jitter in the picture.

	Test point		Adj. Point	Mode	Input
	TP751(V-OUT)		VR501	PLAY
	TP302(RF-SW)				-----
			(Switching Point)	(SP)
	GND
	Tape		Measurement	Spec.
			Equipment
	FL8A		Oscilloscope	6.5H ± 1H
				(412.7 s±63.5 s)
	Connections of Measurement Equipment
				Oscilloscope
		TP751
	Main CBA		GND
		TP302
				CH1	CH2
				Trig. (+)
			Figure 1
	EXT. Syncronize Trigger Point
	CH1	1.0H		0.5H
					V-Sync
	CH2	6.5H±1H (412.7 s±63.5 s)
			Switching Pulse

Note: TP751(V-OUT), TP302(RF-SW),

VR501(Switching Point) --- Main CBA

Reference Notes:

Playback the Alignment tape and adjust VR501 so that the V-sync front edge of the CH1 video output waveform is at the 6.5H ± 1H (412.7 s ± 63.5 s) delayed position from the rising edge of the CH2 head switching pulse waveform.

1-7-1

H9801EA

HOW TO INITIALIZE THE DVD PLAYER & VCR

To put the program back at the factory-default, initialize the DVD player & VCR as the following procedure.

< DVD Section >

1.Press [DVD], [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order. Fig. a appears on the screen.

"*******" differ depending on the models.

MODEL : *******

Version : *.**

Region : *

EEPROM CLEAR : CLEAR EXIT: POWER

Fig. a

2.Press [CLEAR/C.RESET] button on the remote control unit.

Fig. b appears on the screen.

"*******" differ depending on the models.

MODEL : *******

Version : *.**

Region : *

EEPROM CLEAR : OK

EEPROM CLEAR : CLEAR EXIT: POWER

Fig. b

When “OK” appears on the screen, the factory default will be set. Then the firmware renewal mode is complete.

3.To exit this mode, press [POWER] or [STANDBYON] button.

1-8-1

H9801INT

FIRMWARE RENEWAL MODE

1.Turn the power on and remove the disc on the tray.

2.To put the DVD player into version up mode, press [DVD], [9], [8], [7], [6], and [SEARCH MODE] buttons on the remote control unit in that order. The tray will open automatically.

Fig. a appears on the screen.

"*******" differ depending on the models.

F/W Version Up Mode	Model No : *******
	VERSION : *.**

Please insert a DISC

for F/W Version Up.

EXIT: POWER

Fig. a Version Up Mode Screen

The DVD player can also enter the version up mode with the tray open. In this case, Fig. a will be shown on the screen while the tray is open.

3.Load the disc for version up.

4.The DVD player enters the F/W version up mode automatically. Fig. c appears on the screen. If you enter the F/W for different models, “Disc Error” will appear on the screen, then the tray will open automatically.

		"*******" differ depending on the models.
	F/W Version Up Mode		Model No : *******
			VERSION : *.**
		VERSION :	************.ab6
(*1)		Reading...

Fig. c Programming Mode Screen

The appearance shown in (*1) of Fig. c is described as follows:

No.	Appearance	State
1	Reading...	Sending files into the memory
2	Erasing...	Erasing previous version data
3	Programming...	Writing new version data

5.After programming is finished, the tray opens automatically. Fig. e appears on the screen and

the checksum in (*2) of Fig. e.

		"*******" differ depending on the models.
	F/W Version Up Mode		Model No : *******
			VERSION : *.**
		VERSION :	************.ab6
		Completed
(*2)		SUM : 7ABC

Fig. e Completed Program Mode Screen

At this time, no buttons are available.

6.Remove the disc on the tray.

7.Unplug the AC cord from the AC outlet. Then plug it again.

8.Turn the power on by pressing the [POWER] or [STANDBY-ON] button and the tray will close.

9.Press [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order.

Fig. g appears on the screen.

"*******" differ depending on the models.

MODEL : *******

Version : *.**

Region : *

EEPROM CLEAR : CLEAR EXIT: POWER

Fig. g

10.Press [CLEAR/C.RESET] button on the remote control unit.

Fig. h appears on the screen.

"*******" differ depending on the models.

MODEL : *******

Version : *.**

Region : *

EEPROM CLEAR : OK

EEPROM CLEAR : CLEAR EXIT: POWER

Fig. h

When “OK” appears on the screen, the factory default will be set. Then the firmware renewal mode is complete.

11.To exit this mode, press [POWER] or [STANDBYON] button.

1-9-1

H9801FW

FUNCTION INDICATOR SYMBOLS

Note: If a mechanical malfunction occurs, the power is turned off. When the power comes on again after that by pressing [POWER] or [STANDBY-ON] button, an error message is displayed on the TV screen for 5 seconds.

	Cause	Indicator Active
	When reel or capstan mechanism is not	“EJECT A R” is displayed on a TV screen. (Refer to Fig. 1.)
	functioning correctly
	When tape loading mechanism is not	“EJECT A T” is displayed on a TV screen. (Refer to Fig. 2.)
	functioning correctly
	When cassette loading mechanism is not	“EJECT A C” is displayed on a TV screen. (Refer to Fig. 3.)
	functioning correctly
	When the drum is not working properly	“EJECT A D” is displayed on a TV screen. (Refer to Fig. 4.)

TV screen

When reel or capstan mechanism is not functioning correctly

When cassette loading mechanism is not functioning correctly

EJECT A R

EJECT A C

Fig. 1

Fig. 3

When tape loading mechanism is not functioning	When the drum is not working properly
correctly
EJECT A T	EJECT A D

Fig. 2

Fig. 4

1-10-1

H9801FIS