TOSHIBA W501 Service Manual
W501
Videograbadoras
Especificaciones generales
Instrucciones de desensamble
Clave de abreviaturas
Lista de modos de servicio
Revisiones preventivas e intervalos de servicio
Nota para el reemplazo del IC de memoria
Jigs y herramientas de servicio
Ajustes mecánicos
Ajustes eléctricos
Diagramas a bloques
Placas de circuito impreso
Diagrama esquemático
Formas de onda
Vistas explotadas mecánicas
Vistas explotadas del chasis (vista superior)
Lista de partes de reemplazo mecánicas
Lista de partes de reemplazo del chasis
Lista de partes de reemplazo eléctricas
FILE NO. 140-200012
SERVICE MANUAL
VIDEO CASSETTE RECORDER
W501
SERVICING NOTICES ON CHECKING
1. KEEP THE NOTICES 3. PUT PARTS AND WIRES IN THE
As for the places which need special attentions,
they are indicated with the labels or seals on the
cabinet, chassis and parts. Make sure to keep the
indications and notices in the operation manual.
2. USE THE DESIGNATED PARTS
The parts in this equipment have the specific
characters of incombustibility and withstand
voltage for safety. Therefore, the part which is
replaced should be used the part which has
the same character.
Especially as to the important parts for safety
which is indicated in the circuit diagram or the
table of parts as a mark, the designated
parts must be used.
ORIGINAL POSITION AFTER
ASSEMBLING OR WIRING
There are parts which use the insulation
material such as a tube or tape for safety, or
which are assembled in the condition that
these do not contact with the printed board.
The inside wiring is designed not to get closer
to the pyrogenic parts and high voltage parts.
Therefore, put these parts in the original
positions.
PERFORM A SAFETY CHECK AFTER
4.
SERVICING
Confirm that the screws, parts and wiring which
were removed in order to service are put in the
original positions, or whether there are the
portions which are deteriorated around the
serviced places serviced or not. Check the
insulation between the antenna terminal or
external metal and the AC cord plug blades.
And be sure the safety of that.
HOW TO ORDER PARTS
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and VERSION LETTER
The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
GENERAL SPECIFICATIONS
G-1. Ou tline of the Pr oduct
2 -Speed 1/2" Video Cassette Recorder
G-2. VCR Format
VHS Standar d
G-3. Video Recording System : Rotary,slant azimuth two head helical scan system
Luminance Compo nen t : FM recording
Chrominance Component: Low frequency converted direct recording
G-4. Broadcasting Syste m
US System M
G-5. Col or System NTSC PAL SECAM or Monochrome
G-6. NTSC Playback(PAL60Hz)
G-7. MESECAM
G-8. Cassette Tape
VHS type video cassette tape Width 12.65mm (1/2 Inch)
VHS-C type video cassette tape Width 12.65mm (1/2 Inch)
G-9. Ta pe Speed
NTSC or PAL-M PAL or SECAM
SP 33.35 mm/sec SP 23.39 mm/sec
LP 16.67 mm/sec LP 11.69 mm/sec
SLP 11.12 mm/sec
G-10. Rec ording/Playba ck Time
NTSC or PAL-M
at SP Mode Max. 210 min. (with T-210 cassette)
at LP Mode Max. 420 min. (with T-210 cassette)
at SLP Mode Max. 630 min. (with T- 210 cassette)
NTSC PAL SECAM PAL-M PAL-N
VHS Hi-F i Audio System
Yes No
Yes No
PAL or SECAM
at SP Mode Max. 300 min. (with E-300 cassette)
at LP Mode Max. 600 min. (with E-300 cassette)
G-11.Deck
OVD-5 OVD-6 OVD-6S OVD-6S(Vertical)
G-12.Rewind/Fast Forward Time(Approx.)
FF:1' 48" / Rew:1' 48"
G-13.Search Speed
SP 3 and 5 Times
LP Times
SLP 9 and 15 Times
G-14.S low Speed
SP 1/10 Times
LP Times
SLP 1/10 Times
G-15.Frame Advance
SP 1/10 Times
LP Times
SLP 1/10 Times
G-16.Antenna Input Impedance
VHF/UHF 75 ohm unbalanced
(with T-120 cassette)
(with E-180 cassette)
G-17.Tuner an d Receivin g Ch an nel
Tuner: Contactless Electric Tuner
Oscar(W/O HYPER) Oscar(W/ HYPER) France CATV Others
Channel coverage
2 ~ 69 , 4A
Tuning System
Frequency syn. Voltage syn. Others
G-18.Preset Channel
No -- channels
Allocation ch ~ ch
ch ~ ch
ch ~ ch
G-19.I ntermediate Fr equency
Picture(FP) 45.75 MHz
Sound (FS) 41.25 MHz MHz MHz
FP-FS 4.50 MHz MHz MHz
G-20.RF Converter Output
Channel 3 or 4 ch. ~
Level/Impedance 66 dBµ / 75 ohm
Sound Selector Yes( G I K) No
G-21.Stereo/Dual TV Sound
Yes( NICAM GERMAN USA JAPAN) No
G-22.V ideo Signal
Input Level 1 Vp-p / 75
Output Level 1 Vp-p / 75 ohm
S/N Ratio 50 dB (Weighted)
Horizontal Resolution at SP Mode 230 Lines
G-23.A udio Signal
Input Level M icrophone -- dB / --
Line -- dB / -- Kohm
RCA - 8 dB / 50 Kohm
Output Level Line -- dB / -- Kohm
RCA - 8 dB / 1 Kohm(0dB=0.775 Vrms)
S/N Ratio at SP Mode 42 dB (Weighted)
Harmonic Distortion : 1.5 % (1KHz)
Frequency Response : at SP Mode 100 Hz ~ 10 KHz
GENERAL SPECIFICATIONS
, A-5 ~ A-1 , A ~ I , J ~ W , W+1 ~ W+84
MHz MHz
ohm
Kohm
at LP Mode Hz ~ KHz
at SLP Mode 100 Hz ~ 4 KHz
Hi-Fi Audio Signal NONE
Depth Multiplex Recording Rotary, Slant Azimuth Two Head
System Helical Scan System
Frequency Response : 20 Hz ~ 20
Dynamic Range : More than 90 dB
Wow And Flutter : Less than 0.01 % Wrms
Channel Separation : More than 60 dB
Harmonic Distortion : Less than 1 %
G-24.Heads
Video
FM Audio 2 Rotary Heads Track Width(SP/SLP : 1ch 27 µm, 2ch 27 µm)
Audio / Control 1 Stationary Head ( Mono Stereo(L,R) )
Erase 1 Full Track Erase
G-25.Motor: 3 Motors
Tape/Cassette Loading
Cylinder (Direct Drive)
Capstan (Direct Drive)
KHz(+-6dB)
4 Rotary Heads Track Width
(SP : 1ch 49 µm, 2ch 58 µm, SLP : 1ch 21 µm, 2ch 21 µm)
GENERAL SPECIFICATIONS
G-26.Power Source
120 V
G-27.Power Consumption: 12 W at AC 120 V 60 Hz(Approx.)
Stand by: 2.5 W at AC 120 V 60 Hz(Approx.)
Per Year: -- kWh / Year
G-28.Dimensions(Approx.)
360 mm(W) 232.5
G-29.Weight(Approx.) Net : 3.2 Kg ( 7.1 lbs)
G-30.Cabinet Material
Cabinet Front:
Flap:
G-31.Cassette Loading System: Front Cassette Loading System
G-32.Tape Counter: Linear Time Tape Counter
AC 50Hz AC 60Hz
mm(D) 95 mm(H)
Gross : 3.8 Kg ( 8.4 lbs)
PS 94HB DECABROM
ABS 94V2 NON-DECA
94V0
PS 94HB DECABROM
ABS 94V2 NON-DECA
94V0
G-33.Protector:
G-34.Regulation
Safety
Radiation
G-35.Temperature
G-36.Operating Humidity : Less than 80 %RH
G-37.Clock and Timer
G-38.Timer back up Time
Power Fuse Dew Sensor
UL CSA SAA SI CE SEV
NEMKO FEMKO DEMKO IEC65 CNS SISIR
SEMKO NZ HOMOLO SABS GOST
NOM AS3159 DENTORI UNE NONE
FCC DOC PTT CE SEV
SABA SI NZ HOMOLO UNE
CNS CISPR13 DENTORI AS/NZS NONE
Operation 5 ºC ~ 40
Storage -20 ºC ~ 60 ºC
Calendar : 1990/1/1 ~ 2081/12/31 (Initial
Built-in 1 Month 8 Events Programmable Timer
One Touch Recording : Max Time 5 Hours
More than 1/12 Minutes (at Power Of f Mode)
ºC
2000/1/1 2005/1/1)
G-39.Terminals
G-40.Indicator
( ) (
( ) (
G-41.Display
Fluorescent I nd icat or
On Screen Display
GENERAL SPECIFICATIONS
VHF/UHF Antenna Input/Output Din Type F-Type Fr an c e Typ e
Front Video Input<RCA ø8. 3>
Front Audio Input<RCA ø8.3> x2
Rear Vide o Input<RCA ø8.3>
Rear Audio Input< RCA ø8.3>
Rear Vide o Output<RCA ø8.3>
Rear Audio Output<RCA ø8.3> x2
21 Pin
Power Play ATR Repeat Tape In
) ( ) ( ) ( )
TV/VCR REC T-REC One Touch Playback (Green,Bu tt on Light)
) ( )
NONE
Yes No
Clock/Counter,Channel,Timer Rec,OTR,Play,Rec,FF(Cue),Rew(Rev),
Still,Pause,ATR,Eject,Stop
WKL,Y.M.D,Start,End AFT Repeat
VCR Memory Index VPS PDC
SP LP SLP AM PM
Menu Timer Rec Set
Ch Set Up TV/CATV
Auto Ch Memory
Add/Delete
Guide Ch Set
VCR Set Up Sap On/Off
Auto Repeat On/Off
System Set Up Clock Set( Calendar 12H 24H)
Language
Auto Clock On/Off
Standard Time
Daylight Saving Time
G-CODE(o r SHOWVIEW or PLUSCODE)No. Entry
Stereo,Audio Output,SAP Stereo,Audio Output
Play/Stop/FF/Rew/Rec/OTR/Pause/T-Rec (Symbol Mark)
CH/AV Clock/Date Memory Zero Return
Tape Counter Index ATR/Manual Tracking
Hi-Fi Dirty Hea d END Search Tape Speed
G-42.O S D Language
Eng Ger Fre Spa Ita Por Jan
OSD Language Setting
Eng Ger Fre Spa Ita Por Jan
Not Appl icable
No Noise Back Ground On/Off
G-43.Carton
Master Carton:
Content: ---- Set
Material: ---- / ---- Corrugated Carton
Dimensions: ---- mm(W) ---- mm(D) ---- mm(H)
Description of Origin Yes No
Gift Box
Material
Dimensions: 430 mm(W) 310 mm(D) 165 mm(H)
Design: As Per BUYER 's
Description of Origin: Yes No
Drop Test Natural Dropping At 1 Corner / 3 Edges / 6 Surfaces
Container Stuffing: 2,828 Sets / 40' container
G-44.Accessories
Owner's Manual ( W/Guarantee Card) [English]
Remote Control Unit( Multi BRAND) Dew Caution Sheet
Battery (UM- 4 x 2 )
Safety Tip Toll Free Insert Sheet
Guarantee Ca rd Audio-Video Cord (RCA)
Warning Sheet Quick Se t-Up Sheet
Information Sheet U/V Mixer
75 ohm Coaxial Cable ( Single Shield Double Shield)
300 ohm to 75 ohm VHF Antenna Adaptor Re gis t ration Ca rd
Service Facility List
G-45.Other Features
Auto Head Cleaning Index Search
Auto Tracking Auto C lock
VIDEO PLUS +, SHOWVIEW, G-CODE
HQ (VHS Standard High Quality )
Auto Power On, Auto Play, Auto Rewind, Auto Ej ec t,Auto Power Off
Forward / Reverse Picture Search SQPB
One Touch Playback SAP
CATV Multi BRAND Remote Unit
Auto CH Memory
Just Clock Function Dirty Head Warning
Kurupika Guide CM Skip(30 sec . x 6 times )
END Search Energy Star
G-46.Switch
Front
Power Channel Up Channel Down
Play F.FWD/Cue Rew/Rev
System Select Input Selec t Outp ut Select
One Touch Playback
Rear
RF-Con verter Output Channel Se lector ( 1 or 2CH 3 or 4CH)
TV/CATV Se lector
SIF Selector
GENERAL SPECIFICATIONS
Need No Need
Need No Need
Single/Brown Corrugated Carton ( with Photo Label)
Single/W hi te Corrugated Carton ( with Phot o Label)
Single Full Color Carton W/Photo
Height
25cm 31cm 46cm 62cm 80cm 100cm
Pause/Still Eject/Stop Rec/OTR
G-47.Remote Control
Unit :RC-DP
Glow in Dark Remocon Yes No
Power Source: D.C 3 V Battery UM - 4 x 2
Control Key :Total 43 Key
GENERAL SPECIFICATIONS
0 Ch Up Power
1 Ch Down Eject
2 Input Select Play
3 Audio Select Stop
4 TV/VCR F.FWD
5 Pause/Still Rew
6 Slow Timer Rec
7 Speed REC/OTR
8 Counter Reset Auto Tracking
9 Clock/Counter Tracking Up
Menu Zero Return Tracking Down
Set Up Call
Set Down
Enter
Cancel
Cable/SAT
CTV Vo lume Up
VCR Volume Down
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
1-1: TOP CABINET, FRONT CABINET AND
OPERATION PCB (Refer to Fig. 1-1)
1.
Remove the 4 screws 1.
2.
Remove the Top Cabinet in the direction of arrow (A).
3.
Disconnect the following connector: (CP651).
4.
Unlock the 7 supports 2.
5.
Remove the Front Cabinet in the direction of arrow (B).
6.
Remove the 4 screws 3 and remove the Operation PCB.
Top Cabinet
1
Front Cabinet
2
2
2
(B)
2
2
3
3
2
3
3
Operation PCB
2
1-2: FLAP (Refer to Fig. 1-2)
1.2.Open Flap to 90˚ and flex in direction of arrow (A), at
the same time slide in direction of arrow (B).
Then lift in direction of arrow (C).
1
(A)
1
Fig. 1-1
1-3: DECK CHASSIS (Refer to Fig. 1-3)
Remove the 3 screws 1.
1.
Remove the screw 2.
2.
Disconnect the following connectors: (CP1001, CP1002,
3.
CP1003, CP4001, CP4002 and CP4003).
Remove the Deck Chassis in the direction of arrow.
4.
2
1
1
1
Deck Chassis
1
Bottom Plate
Fig. 1-3
1-4: SYSCON PCB AND JACK PLATE (Refer to Fig. 1-4)
Remove the screw 1.
1.
Remove the Syscon PCB in the direction of arrow (A).
2.
Unlock the 2 supports 2.
3.
Remove the Jack Plate in the direction of arrow (B).
4.
(C)
(B)
(A)
Flap
Fig. 1-2
Syscon PCB
(A)
(B)
2
2
Bottom Plate
1
Jack Plate
Fig. 1-4
DISASSEMBLY INSTRUCTIONS
2. REMOVAL OF DECK PARTS
2-1: TOP BRACKET (Refer to Fig. 2-1)
Remove the 2 screws 1.
1.
Slide the 2 supports 2 and remove the Top Bracket.
2.
NOTE
When you install the Top Bracket, install the screw (1)
first, then install the screw (2).
(2)
1
Top Bracket
2
Main Chassis
• Screw Torque: 5 ± 0.5kgf•cm
Top Bracket
2
Main Chassis
2-2: FLAP LEVER/TAPE GUIDE R (Refer to Fig. 2-2)
Move the Cassette Holder Ass'y to the back side.
1.
Remove the Polyslider Washer 1.
2.
Remove the Flap Lever.
3.
Unlock the 3 supports 2 and remove the Tape Guide R.
4.
(1)
1
Fig. 2-1
NOTE
When you install the Tape Guide L, install as shown in the
circle of Fig. 2-3-B. (Refer to Fig. 2-3-B)
Tape Guide L
REC Lever
• The REC Lever is not installed on the Video Cassette Player.
Fig. 2-3-B
2-4: CASSETTE HOLDER ASS'Y (Refer to Fig. 2-4)
Move the Cassette Holder Ass'y to the front side.
1.
Push the Locker R to remove the Cassette Side R.
2.
Remove the Cassette Side L.
3.
Main Chassis
Cassette Side R
Locker R
Tape Guide R
Flap Lever
2
2
2
Main Chassis
1
Fig. 2-2
2-3: TAPE GUIDE L (Refer to Fig. 2-3-A)
Move the Cassette Holder Ass'y to the back side.
1.
Unlock the 2 supports 1 and remove the Tape Guide L.
2.
Remove the REC Lever. (Recorder only)
3.
REC Lever
Tape Guide L
1
Cassette Side L
Main Chassis
Fig. 2-4
2-5: CASSETTE SIDE L/R (Refer to Fig. 2-5)
Unlock the 4 supports 1 and then remove the Cassette
1.
Side L/R.
NOTE
When you install the Cassette Side R, be sure to move the
Locker R after installing.
1
1
Locker R
Cassette Side R
1
1
Cassette Side L
Fig. 2-5
1
Main Chassis
• The REC Lever is not installed on the Video Cassette Player.
Fig. 2-3-A
DISASSEMBLY INSTRUCTIONS
2-6: LINK ASS'Y (Refer to Fig. 2-6)
Set the Link Ass'y to the Eject position.
1.
Remove the (A) side of the Link Ass'y first, then remove
2.
the (B) side.
Link Ass'y
(A)
Main Chassis
(B)
Link Ass'y
Main Chassis
Fig. 2-6
2-7: LOADING MOTOR ASS'Y (Refer to Fig. 2-7)
Remove the Link Lever.
1.
Remove the Dumper Spring.
2.
Remove the 2 screws 1.
3.
Unlock the support 2 and remove the Loading Motor
4.
Ass'y.
Unlock the 2 supports 3 and remove the Deck PCB
5.
(BOT).
1
Dumper Spring
Loading Motor Ass'y
2
Tension Adjust
2
Tension Spring
SS Brake Spring
SS Arm Brake
2
1
3
Tension Band Ass'y
Tension Arm Ass'y
Tension Holder
Inclined S Ass'y
Fig. 2-8-A
NOTE
When you install the Tension Adjust, install as shown in
Fig. 2-8-B. (Refer to Fig. 2-8-B)
Adjust the direction of the Marker to inside.
Fig. 2-8-B
2-9: T BRAKE ASS'Y (Refer to Fig. 2-9)
Remove the T Brake Spring.
1.
Remove the T Brake Ass'y.
2.
3
Main Chassis
• Screw Torque: 5 ± 0.5kgf•cm
1
Deck PCB
(BOT)
Link Lever
Fig. 2-7
2-8: TENSION ASS'Y (Refer to Fig. 2-8-A)
Move the Inclined S Ass'y to the back side.
1.
Remove the Tension Spring.
2.
Unlock the support 1 and remove the Tension Arm
3.
Ass'y.
Remove the Tension Adjust.
4.
Unlock the 2 supports 2 and remove the Tension Band
5.
Ass'y.
Unlock the support 3 and remove the Tension Holder.
6.
Remove the SS Brake Spring.
7.
Remove the SS Arm Brake.
8.
T Brake Ass'y
T Brake Spring
Fig. 2-9
DISASSEMBLY INSTRUCTIONS
2-10: S REEL/T REEL (Refer to Fig. 2-10)
Remove the S Reel and T Reel.
1.
Remove the 2 Polyslider Washers 1.
2.
NOTE
Take care not to damage the gears of the S Reel and T
1.
Reel.
The Polyslider Washer may be remained on the back of
2.
the reel.
Take care not to damage the shaft.
3.
Do not touch the section "A" of S Reel and T Reel. (Use
4.
gloves.) (Refer to Fig. 2-10) Do not adhere the stains
on it.
When you install the reel, clean the shaft and oil it. (If
5.
you do not oil, noise may be heard in FF/REW mode.)
After installing the reel, adjust the height of the reel.
6.
(Refer to MECHANICAL ADJUSTMENT)
S Reel
(A)
1
T Reel
(A)
1
NOTE
Do not touch the Pinch Roller. (Use gloves.)
1.
When you install the Pinch Roller Block, install as shown
2.
in the circle of Fig. 2-11-B. (Refer to Fig. 2-11-B)
Fig. 2-11-B
2-12: A/C HEAD (Refer to Fig. 2-12-A)
Remove the screw 1.
1.
Remove the A/C Head Base.
2.
Remove the 3 screws 2.
3.
Remove the A/C Head and A/C Head Spring.
4.
NOTE
Do not touch the A/C Head. (Use gloves.)
1.
When you install the A/C Head Spring, install as shown
2.
in Fig. 2-12-B. (Refer to Fig. 2-12-B)
When you install the A/C Head, tighten the screw (1)
3.
first, then tighten the screw (2), finally tighten the screw
(3).
2-11: PINCH ROLLER BLOCK/P5-3 ARM ASS'Y
(Refer to Fig. 2-11-A)
Remove the P5 Spring.
1.
Remove the screw 1.
2.
Unlock the 2 supports 2 and remove the Cassette
3.
Opener.
Remove the Pinch Roller Block, Pinch Roller Arm
4.
Spring, Pinch Roller Lever Ass'y and P5-3 Arm Ass'y.
P5 Spring
P5-3 Arm Ass'y
1
2
Cassette Opener
2
Pinch Roller Block
Pinch Roller Arm Spring
Pinch Roller Lever Ass'y
Main Chassis
Fig. 2-10
(3)
(1)
2
2
(2)
1
• Screw Torque: 4 ± 0.5kgf•cm (Screw 1)
2
Spring Position
A/C Head
A/C Head Spring
A/C Head Base
Fig. 2-12-A
Fig. 2-12-B
2-13: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-13)
Remove the screw 1.
1.
Remove the FE Head.
2.
• Screw Torque: 5 ± 0.5kgf•cm
Fig. 2-11-A
FE Head
• The FE Head is not installed on the Video Cassette Player.
• Screw Torque: 4 ± 0.5kgf•cm
1
Fig. 2-13
DISASSEMBLY INSTRUCTIONS
2-14: AHC ASS'Y/CYLINDER UNIT ASS'Y
(Refer to Fig. 2-14)
Unlock the support 1 and remove the AHC Ass'y.
1.
Remove the 3 screws 2.
2.
Remove the Cylinder Unit Ass'y.
3.
NOTE
When you install the Cylinder Unit Ass'y, tighten the
screws from (1) to (3) in order while pulling the Ass'y
toward the left front direction.
AHC Ass'y
Cylinder Unit Ass'y
2
(2)
• Screw Torque: 3 ± 0.5kgf•cm
(1)
2
2
(3)
1
Fig. 2-14
2-15: CAPSTAN DD UNIT (Refer to Fig. 2-15)
Remove the Capstan Belt.
1.
Remove the 3 screws 1.
2.
Remove the Capstan DD Unit.
3.
1
Middle Gear
E-Ring
Main Cam
Pinch Roller Cam
2
Joint Gear
P5 Cam
Fig. 2-16-A
NOTE
When you install the Pinch Roller Cam, P5 Cam and Main
Cam, align each marker. (Refer to Fig. 2-16-B)
Pinch Roller Cam
Check the hole of Main
Chassis can be seen.
Marker
Main Cam
P5 Cam
Capstan Belt
Capstan DD Unit
1
1
1
• Screw Torque: 5 ± 0.5kgf•cm
Fig. 2-15
2-16: MIDDLE GEAR/MAIN CAM (Refer to Fig. 2-16-A)
Remove the Polyslider Washer 1, then remove the
1.
Middle Gear.
Remove the E-Ring, then remove the Main Cam, P5
2.
Cam and Pinch Roller Cam.
Remove the Polyslider Washer 2, then remove the
3.
Joint Gear.
Fig. 2-16-B
2-17: CLUTCH ASS'Y (Refer to Fig. 2-17)
Remove the Polyslider Washer 1.
1.
Remove the Clutch Ass'y, Ring Spring and Coupling
2.
Gear.
Unlock the 2 supports 2 and remove the Clutch Lever.
3.
1
Clutch Ass'y
Ring Spring
Coupling Gear
Clutch Lever
2
2
Fig. 2-17
DISASSEMBLY INSTRUCTIONS
2-18: LOADING GEAR S/T ASS'Y (Refer to Fig. 2-18-A)
Remove the E-Ring 1 and remove the Main Loading
1.
Gear.
Remove the Capstan Brake Spring.
2.
Slide the Main Rod and remove the Capstan Brake
3.
Ass'y.
Remove the Main Rod, Tension Lever, Clutch Actuator,
4.
Idler Arm Ass'y.
Remove the screw 2.
5.
Remove the LED Reflecter.
6.
Remove the Loading Arm S Ass'y and Loading Arm T
7.
Ass'y.
8.
Remove the Loading Gear S and Loading Gear T.
9.
Remove the Loading Gear Spring.
Capstan Brake Spring
Main Rod
Idler Arm Ass'y
LED Reflecter
Clutch Actuator
Capstan Brake Ass'y
2
1
Main Loading Gear
Tension Lever
Loading Gear T
Loading Gear
Spring
Loading Arm T Ass'y
Loading Gear S
Loading Gear
Spring
2. When you install the Clutch Actuator, install as shown in
the circle of Fig. 2-18-C. (Refer to Fig. 2-18-C)
Clutch Actuator
Fig. 2-18-C
2-19: INCLINED S/T ASS'Y (Refer to Fig. 2-19)
Unlock the support 1 and remove the P4 Cover.
1.
Remove the screw 2.
2.
Unlock the support 3 and remove the Loading Gear
3.
Holder.
Remove the Inclined S.
4.
Remove the Inclined T.
5.
Remove the 2 screws 4, then remove the Guide Roller.
6.
NOTE
Do not touch the roller of Guide Roller.
2
Loading Gear Holder
Guide Roller
3
Loading Arm S Ass'y
• Screw Torque: 5 ± 0.5kgf•cm
Fig. 2-18-A
NOTES
1. When you install the Loading Arm S Ass'y, Loading Arm
T Ass'y and Main Loading Gear, align each marker.
(Refer to Fig. 2-18-B)
Marker
Main Loading Gear
Marker
Loading Arm T Ass'y
Loading Arm S Ass'y
4
Inclined S
• Screw Torque: 5 ± 0.2kgf•cm (Screw 2)
• Screw Torque: 0.7 ± 0.2kgf•cm (Screw 4)
Guide Roller
4
Inclined T
P4 Cover
1
Fig. 2-19
Fig. 2-18-B
A
A/C
ACC
AE
AFC
AFT
AFT DET
AGC
AMP
ANT
A.PB
APC
ASS'Y
AT
AUTO
A/V
B
BGP
BOT
BPF
BRAKE SOL
BUFF
B/W
C
C
CASE
CAP
CARR
CH
CLK
CLOCK (SY-SE)
COMB
CONV
CPM
CTL
CYL
CYL-M
CYL SENS
D
DATA (SY-CE)
dB
DC
DD Unit
DEMOD
DET
DEV
E
E
EF
EMPH
ENC
ENV
EOT
EQ
EXT
F
F
FBC
FE
FF
FG
FL SW
FM
FSC
FWD
G
GEN
GND
H
H.P.F
KEY TO ABBREVIATIONS
:
Audio/Control
:
Automatic Color Control
:
Audio Erase
:
Automatic Frequency Control
:
Automatic Fine Tuning
:
Automatic Fine Tuning Detect
:
Automatic Gain Control
:
Amplifier
:
Antenna
:
Audio Playback
:
Automatic Phase Control
:
Assembly
:
All Time
:
Automatic
:
Audio/Video
:
Burst Gate Pulse
:
Beginning of Tape
:
Bandpass Filter
:
Brake Solenoid
:
Buffer
:
Black and White
:
Capacitance, Collector
:
Cassette
:
Capstan
:
Carrier
:
Channel
:
Clock
:
Clock (Syscon to Servo)
:
Combination, Comb Filter
:
Converter
:
Capstan Motor
:
Control
:
Cylinder
:
Cylinder-Motor
:
Cylinder-Sensor
:
Data (Syscon to Servo)
:
Decibel
:
Direct Current
:
Direct Drive Motor Unit
:
Demodulator
:
Detector
:
Deviation
:
Emitter
:
Emitter Follower
:
Emphasis
:
Encoder
:
Envelope
:
End of Tape
:
Equalizer
:
External
:
Fuse
:
Feed Back Clamp
:
Full Erase
:
Fast Forward, Flipflop
:
Frequency Generator
:
Front Loading Switch
:
Frequency Modulation
:
Frequency Sub Carrier
:
Forward
:
Generator
:
Ground
:
High Pass Filter
H.SW
Hz
I
IC
IF
IND
INV
K
KIL
L
L
LED
LIMIT AMP
LM, LDM
LP
L.P.F
LUMI.
M
M
MAX
MINI
MIX
MM
MOD
MPX
MS SW
N
NC
NR
O
OSC
OPE
P
PB
PB CTL
PB-C
PB-Y
PCB
P. CON
PD
PG
P-P
R
R
REC
REC-C
REC-Y
REEL BRK
REEL S
REF
REG
REW
REV, RVS
RF
RMC
RY
S
S. CLK
S. COM
S. DATA
SEG
SEL
SENS
SER
SI
SIF
SO
SOL
SP
STB
SW
:
Head Switch
:
Hertz
:
Integrated Circuit
:
Intermediate Frequency
:
Indicator
:
Inverter
:
Killer
:
Left
:
Light Emitting Diode
:
Limiter Amplifier
:
Loading Motor
:
Long Play
:
Low Pass Filter
:
Luminance
:
Motor
:
Maximum
:
Minimum
:
Mixer, mixing
:
Monostable Multivibrator
:
Modulator, Modulation
:
Multiplexer, Multiplex
:
Mecha State Switch
:
Non Connection
:
Noise Reduction
:
Oscillator
:
Operation
:
Playback
:
Playback Control
:
Playback-Chrominance
:
Playback-Luminance
:
Printed Circuit Board
:
Power Control
:
Phase Detector
:
Pulse Generator
:
Peak-to Peak
:
Right
:
Recording
:
Recording-Chrominance
:
Recording-Luminance
:
Reel Brake
:
Reel Sensor
:
Reference
:
Regulated, Regulator
:
Rewind
:
Reverse
:
Radio Frequency
:
Remote Control
:
Relay
:
Serial Clock
:
Sensor Common
:
Serial Data
:
Segment
:
Select, Selector
:
Sensor
:
Search Mode
:
Serial Input
:
Sound Intermediate Frequency
:
Serial Output
:
Solenoid
:
Standard Play
:
Serial Strobe
:
Switch
S
SYNC
SYNC SEP
T
TR
TRAC
TRICK PB
TP
U
UNREG
V
V
VCO
VIF
VP
V.PB
VR
V.REC
VSF
VSR
VSS
V-SYNC
VT
X
X'TAL
Y
Y/C
KEY TO ABBREVIATIONS
:
Synchronization
:
Sync Separator, Separation
:
Transistor
:
Tracking
:
Trick Playback
:
Test Point
:
Unregulated
:
Volt
:
Voltage Controlled Oscillator
:
Video Intermediate Frequency
:
Vertical Pulse, Voltage Display
:
Video Playback
:
Variable Resistor
:
Video Recording
:
Visual Search Fast Forward
:
Visual Search Rewind
:
Voltage Super Source
:
Vertical-Synchronization
:
Voltage Tuning
:
Crystal
:
Luminance/Chrominance
SERVICE MODE LIST
This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.
Method Operations
Press both PLAY button and
CH UP button on the set for
more than 2 seconds.
While pressing the CH UP
key on the set, press the
FF key on the set for more
than 2 seconds.
Press the ATR button on the
remote control for more than
2 seconds during PLAY.
While pressing the CH UP
button on the set, press the
STOP button on the set for
more than 2 seconds during
PLAY.
Make the short circuit between
the test point of SERVICE and
the GND.
Initialization of the factory.
NOTE: Do not use this for the normal servicing.
PLAY/REC total hours are displayed on the FIP.
Refer to the "PREVENTIVE CHECKS AND SERVICE INTERVALS"
(CONFIRMATION OF USING HOURS).
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "NOTE FOR THE REPLACING OF MEMORY IC".
Adjusting of the Tracking to the center position.
Refer to the "MECHANICAL ADJUSTMENT" (GUIDE ROLLER) and "ELECTRICAL
ADJUSTMENT" (PG SHIFTER).
Adjust the PG SHIFTER automatically.
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
The EOT/BOT/Reel sensor do not work at this moment.
Refer to the "PREPARATION FOR SERVICING"
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