Tandy CM-8 - Disassembly Instructions

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DISASSEMBLY INSTRUCTIONS

1.

Remove

the

six

screws

Q)

retaining

the

rear

cabinet.

Remove

the

re

ar

cabinet.

(Figure

11A)

Note: The CRT

must

be

discharged

. Remove

the

speaker

leads

from

the

PCB-A. Refer

to

the

high

voltage

discharge

procedure

on page 4.

.2. (1)

Remove

th

e

CRT's

second anode cap @

from

the

CRT.

(2)

Unso

lder

the

grounding

strap

and

remove

the

PCB

-B

(CRT PCB)

le

ad

of

the

CRT.

(3)

Remove

the

PCB-B.

(4) Loosen

the

wire

holder

on

the

PCB-A and dis-

connect

the

connector

K. (Figure 11B)

'

\

Ma

in

PC 8

( PC B- A l

13

(5)

Disconnect

the

conn

ect

ors

NA

and M on

the

PCB-A (main PCB) .

(6) Loosen

the

wire

holder fi

xing

the

RGB

output

lead,

degaussing

lead, speaker lead and

LED

lead. (Figure 118)

(7) Remove

the

PCB-A (

main

PCB)

from

the

fron

t

cabinet

.

3. Remove

screw

@ in

the

PCB

-C

(LE

D

PC

B)

and

remove

PCB-C

from

the

front

cabinet. (Figure

11

8)

Note:

When

servicing, be

suff

ici

ently

careful

with

the

control

door

since

it may

detach

from

the

cabinet

if

it

touches

the

su

rfac

e

wh

il

e

the

set

is i

nc

lined

toward

the

fr

o

nt

.

Figu

re

11A. Removal

of

Cabinet

Figure

11B.

Removal of

PC

Bs

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