JVC TV 13140 operating instructions Video Head Cleaning, Specifications, Video Head Clogging

VIDEO HEAD CLEANING

VIDEO HEAD CLOGGING

The video heads are the means by which the TVNCR reads the picture from the tape during playback. In the unlikely event that the heads become dirty enough to be clogged, no picture will be played beck. This can easily be determined if, during playback of a known good tape, there is good sound, but no picture (picture is extremely snowy). If this is the case, have the TV/VCR checked by qualified seP..tcepersonnel.

Good Picture Snowy Picture

VIDEO HEAD CLEANING

AUTO HEAD CLEANING system cleans the video heads automatically when a cassette is inse_ed or ejected to prevent dirt from accumulating on the heads. However, manual head cis_niog is needed if the picture on playttack is still unclear althOugh the picture on program is normal. This failure signifies that the head is getting dirty and occurs when playing poor quality or damaged tapes. If the heads require cleaning, use a high qualify head cleaning system or have them cleaned professionally.

NOTE: • DO NOT ATTEMPT TO CLEAN THE VIDEO HEADS OR SERVICE THE UNIT BY REMOVING THE REAR

COVER.

•Video heads may eventually wear out and should be replaced when they fail to produce clear pictures.

•To help prevent video head clogging, use only good quality VHS tapes. Discard worn out tapes.

SPECIFICATIONS

TELEVISION

PictureTube:

Tuner Type:

Receiving Channels:

Antenna Input:

Speaker:

Audio Output Power:

VCR

Video System:

Video Signal:

Cassette Tape:

Audio Track:

Tape Speed:

F.FWD/REW 13me:

Speed Search:

GENERAL

Power Source:

Power Consumption:

Dimensions:

Weight:

Inputs/Outputs:

Storage Temperature: Operating Temperature:

Accessories:

Remote Control

Batteries (AA) X 2

13" (measured		diagonally)
Quartz	PLL Frequency Synthesized
VHF	2-13
UHF	14-69
CATV	14-36	(A)-(W)
	37-59	(AA)-(WW)
	60-85	(AAA)-(ZZZ)

86-94 (86)-(94)

95-99 (A-5)-(A-1)

100-125(100)-(125)

01 (5A)

VHF/UHF In 75 ohms coaxial

1.5" x 2,5", 8 ohms x 1 1.5W

VHS, 4 Rotary Heads Helical Scanning System.

NTSC Color

VHS

1Track

SP: 33,35 mm/sec

EP: 11.12 mm/cec

F,FWD: Approx. 2 minutesand 15 seconds

REW: Approx. 1 minuteand 48 seconds (T-120 Cassette)

SP 3 & 5 x Normal Speed

EP 9 & 15 x Normal Speed

AC 120V 60Hz

70Watts

W14 1/4" x D 14 1/2" x H 15 1/16" 26 Ibs

Video: In (RCA) 1Vp-p 75 ohm Out (RCA) 1Vp-p 75 ohm

Audio: In (RCA) 300 mV/50K ohm Out (RCA) 300 mV/1K ohm

-20°C to 60°C (-4°F to 140°F) 5°C to 40°C (41°F to 104°F)

Specificationsare subject to change without notice.

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