DOWNLOAD Panasonic AG-TL750E / AG-TL750B Service Manual ↓ Size: 11.71 MB | Pages: 90 in PDF or view online for FREE

2-9

(1) Remove the wire.
(2) Remove the screw 

!

 and remove the full-erase head for

replacement.

2

(1) To make the adjustment after reassembling easier, set the

mounting height temporarily, then reassemble in the reverse
order of removing.

1

(1) Remove the wire.
(2) Remove the two screws 

@

 and remove the head base.

(3) Remove the three screws 

#

 and remove the A/C head as-

sembly.

(2) After reassembling, clean the A/C head and perform the fol-

lowing adjustment:
• Interchangeability adjustment (refer to Section 2.5)

(1) Remove the belt (loading) from the worm gear and motor

pulley.

Full erase 
head

Wire

11

A/C head board

A/C head 
assembly

Head base

Spring

13

5.7mm

Head base

A/C head assembly

Blue

Label

Red

Belt (Loading)

Loading motor

Worm gear assembly

Motor pulley

Wire

A/C head 
assembly

12

2-10

Claw

a

Sub brake assembly (S)

Reel disk (S)

Spring

b

a

Hook

Spring

Sub brake assembly (T)

a

a

1

(1) Remove the mechanism assembly.  (Refer to Section 1. 1

“DISASSEMBLY OF MAJOR PARTS”.)

(2) Remove the belts from the pulleys at each point, and re-

place them with new ones.

1

(1) Remove the two slit washers and then remove the reel

bracket. (Refer to Fig. 2-3-9 (1).)

(2) Take out the reel disk (T).  (Refer to Fig. 2-3-9 (2).)
(3) Remove the spring in the sub-brake assembly, and remove

the sub brake assembly by releasing the hook.

1

(1) Remove the two slit washers and remove the reel bracket.

(Refer to Fig. 2-3-9(1).)

(2) Remove the control plate.  (Refer to Section 2.3.10.)
(3) Release the idler lever while push the idler assembly, take

out the idler assembly.

2

(1) Reassemble in the reverse order of removing.

2

(1) Reassemble in the reverse order of removing.

2

(1) Reassemble in the reverse order of removing.

1

(1) Remove the two slit washers and remove the reel bracket.

(Refer to Fig. 2-3-9 (1).)

(2) Release the catch and release the tension band assembly

from the reel disk (S).  (Refer to Fig. 2-3-5.)

(3) Take out the reel disk (S).
(4) Remove the spring in the sub brake assembly (S), and take

out the sub brake assembly.

Belt (Housing)

Pulley assembly

Belt (Capstan)

Idler assembly

Idler lever

Pin

2-11

1

(1) Remove the slit washer and take out the release arm and

head cleaner arm assembly.

(2) Remove the two screws 

$

. (Refer to Fig. 2-3-20 (2).)

(3) Rotate the loading motor toward you, and shift the pole base

assembly to near the loading end position. (Refer to Fig. 2-3-
20 (2).)

(4) While releasing the hook of the pole base assembly from

the guide rail and the pin of it from the loading arm , take out
the pole base assembly.

1

(1) Remove the two screws 

%

.

(2) Take out the guide roller  (S, T) and guide flanges (S, T).

2

(1) Reassemble in the reverse order of removing.

(3) After setting the temporary height, check the following ad-

justments:
• Interchangeability adjustment (refer to Section 2.5)

2

(1) Reassemble in the reverse order of removing.
(2) To make the tape transport adjustment easier after replace-

ment, tighten the screw once until it reaches the end, then
rotate it by the following value in the releasing direction to
set the temporary height.
• Guide flange (S)....... 2.5 turns
• Guide flange (T)....... 1.5 turns

Pole base assembly (S)

Pole base assembly (T)

Guide rail

Hooks

Hooks

Hook

Pole base  
assembly

Pin

14

14

(2) After reassembling, clean the pole base assemblies (S, T)

and perform the following adjustments:
• Tape transport check/adjustment (refer to Section 2.5.6)
• Interchangeability adjustment (refer to Section 2.5)

15

Guide roller (S)
Guide flange (S)

Guide roller (T)
Guide flange (T)

(29.68)

Guide 
flange 
(S,T)

Screw

%

Guide roller (T)

Guide roller (S)

(29.68)

Cutting surface
of main deck
(bottom reference
surface)

Head cleaner arm assembly

Spring

Head cleaner arm assembly

Spring

Slit washer:

-4

M 4

Release arm

2-12

1

(1) While releasing the hook remove the lid guide.
(2) Remove the spring.
(3) Remove the Guide arm assembly.

1

(1) Remove the belt from the motor pulley.
(2) Remove the connector CN401 from the P/R board and re-

move the wire from the loading motor.

(3) Remove the two screws 

^

 and remove the loading motor.

(4) De-solder the wire and remove it from the loading motor.

2

(1) Reassemble in the reverse order of removing.
(2) After replacing the parts, clean the guide arm assembly and

check the following adjustments:
• Interchangeability adjustment (refer to Section 2.5)

2

(1) Mount the loading motor and motor pulley as shown in Fig.

2-3-24.

(2) Reassemble in the reverse order of removing.

1

(1) Remove the reek disk (T) and the control plate.  (Refer to

Section 2.3.11.)

(2) Remove the slit washer and remove the lever assembly.

Guide arm 
assembly

Lid guide

Hook

Spring

Blue

Red

Belt (Loading)

Label

Loading motor

Worm gear

16

16

6.5 

±

 0.2mm

Motor pulley

Loading motor

Red marking

Red

Label

Slit washer:

Lever assembly

-61

M 4