Samsung TI21B4DF4X Manual de usuario

Television Video Cassette Recorder

Chassis : C17A (TS-10 )

Model : TI21B4DF4X/XEU

TW14N54X/BWT

TW14N64X/BWT

TW21B4D4X/BWT

TX14P1DF4X/XEC

Television Video Cassette Recorder CONTENTS

Precautions

Specifications

Disassembly and Reassembly

Alignment and Adjustment

Troubleshooting

Exploded View and Parts List

Electrical Parts List

Block Diagram

Wiring Diagram

Schematic Diagrams

10.

Samsung Electronics 2-1

2. Specifications

The descriptions and characteristics given in this booklet are given for information purposes only and

are subject to modification without notice.

TELEVISION PART

Colour systems PAL(option) / SECAM(option) (UK;PAL)

TV standards L/L’(option), B/G(option), D/K(option) (UK;I)

Number of channels 100 programmes

Reception range/cable TV Hyperband/interband tuner

Aerial input 75 Ohms, coaxial cable

VCR PART

Format VHS standard

(PAL / SECAM(option) / MESECAM(option) / NTSC in playback only)

Heads Video: 2 rotary heads, LP(option), 4 Heads(option)

Audio/Control: 1 stationary head (linear)

Erase: 1 full track erase head

System Video Normal CCIR

System Audio Mono / NICAM&A2-STEREO

Luminance FM azimuth recording

Colour Down converted subcarrier phase shifted direct recording

FF/REW time Less than 100 seconds in FF with E-120

Wow and flutter (WTD) 0.4% maximum (SP)

Frequency response 100 Hz - 8 KHz

GENERAL

Power supply 220-240V~, 50Hz (110-260V~, 50/60Hz; option),(160-300V~50/60Hz;Russia)

Consumption 14”15” (50W)

20”/21” (60W)

Audio output power 14”15” (2W)

20” (2W)

21” (1.0Watts x 2)

Number of loudspeakers 14”/15”/20” (1)

21” (2)

Tube size 14” (37cm/34cmV)

15” (39cm/36cmV)

20” (51cm/48cmV)

21” (55cm/51cmV)

Tube type BLACK MATRIX

Sockets 1 full RGB SCART on the rear

1 RCA input (audio and video) on the front

Earphones output (3.5 mm mini-jack)

1 aerial/cable TV coaxial input

Dimensions (W x D x H) 14” (368 x 390 x 381)

15” (411 x 401 x 417)

20” (486 x 473 x 485)

21” (520 x 495 x 508)

Weight 14” (11.1 kg)

15” (14.8 kg)

20” (19 kg)

21” (23.4 kg)

Operating temperature 5°C - 40°C (41°F - 104°F)

Relative humidity 10% - 75%

Samsung Electronics 3-1

Œ´

ˇ¨ˆØ

Fig. 3-1 Top parts Location-1

ŒGEAR FL CAM

´MOTOR LOADING ASS’Y

ˇLEVER FL ARM ASS’Y

¨HOLDER FL CASSETTE ASS’Y

ˆLEVER FL DOOR

ØSLIDER FL DRIVE

3. Disassembly and Reassembly

3-1 Deck Parts Locations

3-1-1 Top View

3-2 Samsung Electronics

Disassembly and Reassembly

Œ´ ˇ ¨ ˆ

Ø∏”’ Ô ˝  Ò

”

Fig. 3-2 Top Parts Location-2

ŒFE HEAD

´CYLINDER ASS’Y

ˇACE HEAD ASS’Y

¨LEVER UNIT PINCH ASS’Y

ˆLEVER #9 GUIDE ASS’Y

ØLEVER TENSION ASS’Y

∏BAND BRAKE ASS’Y

”DISK S REEL

’LEVER S BRAKE ASS’Y

˝GEAR IDLE

ÔLEVER IDLE

LEVER T BRAKE ASS’Y

ÒDISK T REEL

Disassembly and Reassembly

Samsung Electronics 3-3

3-1-2 Bottom View

Œ´ˇ ¨ˆØ∏

”’˝

Fig. 3-3 Bottom Parts Location

ŒGEAR JOINT 1

´GEAR JOINT 2

ˇBRACKET GEAR

¨MOTOR CAPSTAN ASS’Y

ˆLEVER T LOAD ASS’Y

ØGEAR LOADING DRIVE

∏LEVER S LOAD ASS’Y

”HOLDER CLUTCH ASS’Y

’BELT PULLEY

˝SLIDER CAM

3-4 Samsung Electronics

Disassembly and Reassembly

3-2-1 Lever FL Door Removal

1) Push the Holder FL Cassette Ass'y Œabout 20mm

in the direction of arrow “A”.

2) Rotate the Lever FL Door ´ in the direction of

arrow “B”.

3) Release the Hook ˇand Remove the Lever FL

Door ´in the direction of arrow “C”.

"B"

"C"

"A"

´ LEVER FL DOOR

ˇ HOOK

Œ HOLDER FL CASSETTE ASS'Y

3-2-2 Holder FL Cassette Ass’y Removal

1) Pull the Holder FL Cassette Ass'y Œto the eject

position.

2) Pull the Holder FL Cassette Ass'y Œas grasping

the Holder FL Cassette Ass'y Œand Lever FL

Cassette-R ´in the same time to release hooking

from Main Base until the Boss [A] of Holder FL

Cassette Ass'y Œis taken out from the Rail [B].

3) Lift the Holder FL Cassette Ass'y Œ, in this time,

you have to grasp the Lever FL Cassette-R ´

Continuously until the Holder FL Cassette Ass'y

Œis taken out completely.

Note : Be sure to insert Lever FL Cassette-R ´in the

direction of “A” to prevent separation and breakage

of the Lever FL Cassette-R ´at disassembling and

reassembling.

ŒHOLDER FL

CASSETTEE ASS`Y

BOSS [A]

RAIL [B]

´LEVER FL CASSETTEE -R

"A"

3-2 Main Deck

Fig. 3-4 Lever FL Door Removal

Fig. 3-5 Holder FL Cassette Ass’y Removal

Disassembly and Reassembly

Samsung Electronics 3-5

3-2-4 Lever FL Arm Ass’y Removal

1) Push the hole “A” in the direction of arrow “B”

use the pin.(about Dia. 2.5)

2) Pull out the Lever FL Arm Ass'y Œfrom the Boss

of Main Base.

3) Remove the Lever FL Arm Ass'y Œin the direction

of arrow “C”.

Œ GEAR FL CAM

GEAR WORM WHEEL

POST

TIMING POINT

Fig. 3-7 Gear FL Cam, Gear Worm

3-2-3 Slider FL Drive, Gear FL Cam Removal

1) Pull the Slider FL Drive Œto the front direction.

2) Remove the Slider FL Drive Œin the direction of

arrow. (Refer to Fig. 3-6)

3) Remove the Gear FL cam ´.

Note : When reinstalling be sure to reassemble Slider

FL drive Œafter you insert the Boss of Lever FL

ARM-R in Groove of Slider Fl drive Œ.

Assembly : Align the Gear FL Cam Œwith the Gear

worm wheel Post as shown drawing.

(Refer to Timing point)

ŒSLIDER FL DRIVE

´ GEAR FL CAM

Fig. 3-6 Slider FL Drive Removal

ŒLEVER FL ARM ASS`Y

"C"

"B"

HOLE "A"

Fig. 3-8 Lever FL Arm Ass’y Removal

3-6 Samsung Electronics

Disassembly and Reassembly

3-2-5 Gear Worm Wheel Removal

1) Remove the Gear Worm wheel Œ.

Œ GEAR WORM WHEEL

Fig. 3-9 Gear Worm Wheel Removal

3-2-6 Motor Loading Ass’y Removal

1) Remove the screw Œ.

2) Remove the Motor Loading Ass’y ´.

´MOTOR LOADING ASS`Y

ŒSCREW

Fig. 3-10 Motor Loading Ass’y Removal

Disassembly and Reassembly

Samsung Electronics 3-7

3-2-7 Bracket Gear, Gear Joint 2, 1 Removal

1) Remove the SCREW

2) Remove the Bracket Gear ´.

3) Remove the Gear Joint 2 ˇ.

4) Remove the Gear Joint 1 ¨.

Assembly :

1) Be sure to align dot mark of Gear Joint 1

with

dot mark of Gear Joint 2 ´as shown Fig 3-12.

(Refer to Timing point1)

2) Confirm the Timing Point 2 of the Gear Joint 2 ´

and Slider Cam ˇ.

ŒSCREW

´BRAKET GEAR

¨GEAR JOINT 1

ˇGEAR JOINT 2

3-2-8 Gear Loading Drive, Slider Cam,

Lever Load S, T Ass’y Removal

1) Remove the Belt Pulley. (Refer to Fig. 3-30)

2) Remove the Gear Loading Drive Œafter releasing

Hook [A] in the direction arrow as shown in detail

drawing.

3) Remove the Slider Cam ´.

4) Remove the Lever Load ˇ, Link Load ˆ& Lever

Load ¨, Link Load Ø.

ŒGEAR LOADING DRIVE

ˆLINK LOAD S

ˇLEVER LOAD S

¨LEVER LOAD T

ØLINK LOAD T

´SLIDE CAM

HOOK(A)

Fig. 3-11 Bracket Gear, Gear Joint 1,2 Removal

ŒGEAR JOINT1

´GEAR JOINT2

ˇSLIDER CAM

TIMING POINT 1 TIMING POINT 2

Fig. 3-12 Gear Joint 1,2 Assembly

Fig. 3-13 Gear Loading Drive, Slider Cam,

Lever T, S Load Ass’y Removal

3-8 Samsung Electronics

Disassembly and Reassembly

3-2-9 Gear Loading Drive, Slider Cam,

Lever Load S, T Ass’y Assembly

1) When reinstalling, be sure to align dot of Lever

Load T Ass'y

with dot of Lever Load S Ass'y ´

as shown in drawing, (Refer to Timing Point 1).

2) Insert the Pin A,B,C,D into the Slider Cam

hole,

3) Be sure to align dot of Lever Load T

and dot of

Gear Loading Drive ¨, (Refer to Timing Point 2).

4) Aline dot of Gear Loading drive ¨with mark of

Slider Cam ˇas shown in drawing(Refer to

Timing Point 3).

´LEVER LOAD S

LEVER LOAD T

LEVER LOAD S

LEVER LOAD T

PIN A PIN C PIN B

PIN D

ˇSLIDER CAM

TIMING POINT 2

TIMING POINT 1

TIMING POINT 3

3-2-10 Lever Pinch Drive,

Lever Tension Drive Removal

1) Remove the Lever Pinch Drive

, Lever Tension

Drive ´.

ŒLEVER PINCH DRIVE

´LEVER TENSION DRIVE

Fig. 3-14 Gear Loading Drive, Slider Cam,

Lever Load S, T Ass’y Assembly

Fig. 3-15 Lever Pinch Drive,

Lever Tension Drive Removal

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