LG Electronics TL-AT130M service manual Mechanism

SECTION 4 MECHANISM

CONTENTS

DECK MECHANISM PARTS LOCATIONS

• Top View	4-1
• Bottom View	4-1

DECK MECHANISM

DISASSEMBLY

1.	Drum Assembly	4-2
2.	Plate Top	4-4
3.	Holder Assembly CST	4-4
4.	Opener Door	4-4
5.	Bracket Assembly L/D Motor	4-4
6.	Gear Assembly Rack F/L	4-4
7.	Arm Assembly F/L	4-4
8.	Lever Assembly S/W	4-4
9.	Arm Assembly Cleaner	4-5
10.Head F/E		4-5
11. Base Assembly A/C Head		4-5
12.Brake Assembly T		4-6
13.Brake Assembly RS		4-6
14.Arm Assembly Tension		4-6
15.Reel S / Reel T		4-6
16.Base Assembly P4		4-7
17.Opener Lid		4-7
18.Arm Assembly Pinch		4-7
19.Lever T/up / Arm T/up		4-7
20.Belt Capstan/Motor Capstan		4-8
21.Lever F/R		4-8
22.Clutch Assembly D35		4-8
23. Brake Assembly Capstan		4-8
24.Gear Drive/Gear Cam		4-9
25.Gear Sector		4-9
26.Plate Slider		4-9
27.Lever Tension		4-9
28.Lever Spring		4-9
29.Gear Assembly P2/
	Gear Assembly P3	4-10
30.Base Assembly P2/
	Base Assembly P3	4-10
31.Base Loading		4-11
32.Base Tension		4-11
33.Arm Assembly Idler		4-11

DECK MECHANISM ADJUSTMENT

• Tools and Fixtures for Service		4-12
1.	Mechanism Alignment Position Check....	4-13
2.	Preparation for Adjustment	4-14
3.	Checking Torque	4-14
4.	Guide Roller Height Adjustment	4-15
	4-1. Preliminary Adjustment	4-15
	4-2. Precise Adjustment	4-15
5.	Audio/Control (A/C) Head Adjustment ....	4-16
	5-1. Preliminary Adjustment	4-16
	5-2. Confirmation of Tape Path between
	Pinch Roller and Take-up Guide	4-17
	5-3. Precise Adjustment(Azimuth Adjustment)
	.........................................................	4-17
6.	X-Value Adjustment	4-17
7.	Adjustment after Replacing Drum Assembly
	(Video Heads)	4-18
8.	Check the Tape Travel after Reassembling
	Deck Mechanism	4-18
	8-1. Checking Audio and RF Locking Time
	during Playback after CUE or REV
	.........................................................	4-18
	8-2. Checking for Tape Curling or
	Jamming	4-18

MAINTENANCE/INSPECTION PROCEDURE

1.	Check before starting Repairs		4-19
2.	Required Maintenance		4-20
3.	Scheduled Maintenance		4-20
4.	Supplies Required for Inspection and
	Maintenance		4-20
5.	Maintenance Procedure		4-20
	5-1.	Cleaning	4-20
	5-2.	Greasing	4-21

MECHANISM TROUBLESHOOTING GUIDE

1.	Deck Mechanism	4-23
2.	Front Loading Mechanism	4-26

EXPLODED VIEWS

1.	Front Loading Mechanism Section	4-28
2.	Moving Mechanism Section (1)	4-29
3.	Moving Mechanism Section (2)	4-30