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MICROFILM

Thai Model

Model HST-A2000 Thai model is almost same as HST-A3000K E model.
As only the difference from HST-A3000K E model is described in this manual,
please refer to HST-A3000K service manual (9-960-204-

∏

) for the other sec-

tions.

– 2 –

This section is extracted from
instruction manual.

– 3 –

HP board

MIC board

PANEL board

TC PANEL board

MAIN board

PRIMARY AC board

MOTOR board

AUDIO board

LEAF SW board

REGULATOR board

AMPLIFIER board

SECONDARY AC board

– 9 –

The components identified by
mark 

! or dotted line with mark

! are critical for safety.

Replace only with part number
specified.

• Items marked “*” are not stocked since they

are seldom required for routine service. Some
delay should be anticipated when ordering
these items.

• The mechanical parts with no reference num-

ber in the exploded views are not supplied.

• Hardware (# mark) list and accessories and

packing materials are given in the last of the
electrical parts list.

NOTE:

• -XX and -X mean standardized parts, so they

may have some difference from the original
one.

• Color Indication of Appearance Parts

Example:
KNOB, BALANCE (WHITE) . . . (RED)

↑

↑

Parts Color Cabinet's Color

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

1

3-703-571-11 BUSHING (S) (4516), CORD

* 2

1-654-835-11 REGULATOR BOARD

3

3-363-099-01 SCREW (CASE 3 TP2)

* 4

4-969-780-01 CASE

* 5

1-654-837-11 PRIMARY AC BOARD

* 6

A-4403-067-A AMPLIFIER BOARD, COMPLETE

* 8

1-654-838-11 SECONDARY AC BOARD

* 9

A-4403-064-A MAIN BOARD, COMPLETE

* 14

4-993-868-01 PANEL, BACK

15

3-703-249-21 SCREW, S TIGHT, +PTTWH (M3X8)

16

4-909-982-11 SCREW, TAPPING

! CNP1901 1-751-326-21 CORD, POWER

! T901

1-427-706-21 TRANSFORMER,POWER

not
supplied

not
supplied

not
supplied

#1

#3

#1

#1

#2

#4

#4

#4

#2

#1

#12

#1

CNP1901

T901