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1 Remove two acoustic absorbents from speaker cabinet.

3 Remove four catchers from four shafts 

3 Remove four catchers from four shafts 

2 tapping screw (BV3.5)

1: When tightening screws, be 

 

 

careful not to put the wire.

2: Check that the screw has not 

 

 

floated or it is not slanting.

3: tightening torTue . “ . 1‡P

2 tapping screw (BV3.5)

1: When tightening screws, be 

 

 

careful not to put the wire.

2: Check that the screw has not 

 

 

floated or it is not slanting.

3: tightening torTue . “ . 1‡P

4: When tightening screws, be careful 

 

 

so that neither a driver nor a screw 

 

 

can touch a capacitor.

4 Pull out the TW board and 

6 TW board block

Stuff the wire (red) into the slit of 
acoustic absorbent.
Note 9: Left side is red when it sees 
 froP the front.

Stuff the wire (black) into the 
slit of acoustic absorbent.
Note 9: Right side is black when 
 

it sees froP the front.

7 WO board block

5 four terminals

Note 5: 7urn the caulking part of a terPinal to the coil side, and connect.
Note 6: Check that the connection Pistake or insertion of a wire are not iPperfect.
Note 7: ,nsert the terPinal straightl\.
Note 8: $fter terPinal insertion, should check acting as lock of the terPinal coPpletel\. 

Retorquing all the screws of loudspeaker (13 cm) (woofer) (SP4) part, tweeter assy part and terminal board assy (TB1) part.

Tightening torque 
• 

Loudspeaker (13 cm) (woofer) (SP4) part (4 places): 2.0 ± 0.1 N•m

• 

Tweeter assy part (6 places): 1.5 ± 0.1 N•m

• 

Terminal board assy (TB1) part (4 places): 1.5 ± 0.1 N•m

Note 1: The screw must not fl oat or the screw head must not be damaged.
Note 2: If you will fl oat even retorque the screws, set up again not to exceed the numerical value of the following torque.

• 

Loudspeaker (13 cm) (woofer) (SP4) part (4 places): 3.5 ± 0.1 N•m

• 

Tweeter assy part (6 places): 2.0 ± 0.1 N•m

• 

Terminal board assy (TB1) part (4 places): 2.0 ± 0.1 N•m

u 20)

u 20)

u 25)

 1 

X-2580-505-1 GRILLE 

FRAME 

ASSY

 2 

4-235-903-02 SCREW 

(3.5X20)

 4 

4-264-639-01 PACKING 

(C)

  5 

4-874-614-82  +BV TAPPING SCREW TYPE-1 3.5

 6 

4-235-904-02 SCREW 

(4X25)

  7 

4-290-382-11  PACKING (13 cm)

 8 

3-095-290-01 FOOT

 9 

4-272-161-01 PACKING, 

TERMINAL

 11 

4-264-637-02 PACKING 

(A)

 12 

4-912-253-01 CATCHER

  13 

4-286-322-01   SCREW, +BV B3.5 X 10 ROUNDED END 

(for SERVICE)

  14 

4-449-207-01   BP CAP (BLACK)

  15 

4-449-207-11   BP CAP (RED)

  MBT1 

1-857-890-11  TW BOARD, COMPLETE

  MBW1 

1-857-891-11  WO BOARD, COMPLETE

 SP1 

1-858-571-12 LOUDSPEAKER (1.9 cm) (Assist tweeter: upper side)

 SP2 

1-858-571-12 LOUDSPEAKER (1.9 cm) (Assist tweeter: lower side)

  SP3 

A-1934-277-A  SPEAKER (2.5 cm) ASSY (for SERVICE)

 (Main tweeter) (Including FACE PLATE)

  SP4 

1-858-615-11  LOUDSPEAKER (13 cm) (Woofer)

 TB1 

A-1800-115-A TERMINAL 

BOARD 

ASSY

  Ref. No. 

Part No. 

Description 

Remark

  Ref. No. 

Part No. 

Description 

Remark

Note:
•  -XX and -X mean standardized parts, so 

they may have some difference from the 
original one.

•  Items marked “*” are not stocked since 

they are seldom required for routine ser-
vice. Some delay should be anticipated 
when ordering these items.

•  The mechanical parts with no reference 

number in the exploded views are not sup-
plied.

ES

A

A

B

B

C

D

D

C

E F

E

F

Note: When exchanging loudspeakers (SP1, SP2, SP3, SP4), 

refer to “NOTE THE SPEAKER UNITS REPLAC-
ING” on page 2.

•  Color Indication of Appearance Parts Ex-

ample:

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

 

 



   

 

Parts Color  Cabinet’s Color

  Ref. No. 

Part No. 

Description 

Remark

  

2-597-467-02 CLEANING 

CLOTH

  

4-271-315-11 INSTRUCTION 

MANUAL 

(ENGLISH, FRENCH, SPANISH)

  

4-271-315-21 INSTRUCTION 

MANUAL 

(GERMAN, DUTCH, ITALIAN, POLISH) 

(AEP, RU, UK, AUS, TW)

   

4-271-315-31  INSTRUCTION MANUAL (RUSSIAN) 

(AEP, RU, UK, AUS, TW)

  

4-271-315-41 INSTRUCTION 

MANUAL 

(NORWEGIAN, SWEDISH, DANISH, FINNISH) 

(AEP, RU, UK, AUS, TW)

  

4-271-315-51 INSTRUCTION 

MANUAL 

(PORTUGUESE, ROMANIAN, BULGARIAN) 

(AEP, RU, UK, AUS, TW)

  

4-271-315-61 INSTRUCTION 

MANUAL 

(SLOVAKIAN, HUNGARIAN, CZECH) 

(AEP, RU, UK, AUS, TW)

   

4-271-315-71  INSTRUCTION MANUAL (KAZAKH) 

(AEP, RU, UK, AUS, TW)

   

4-271-315-81  INSTRUCTION MANUAL (ARABIC) 

(AEP, RU, UK, AUS, TW)

   

4-271-315-91  INSTRUCTION MANUAL (TURKISH) 

(AEP, RU, UK, AUS, TW)

  

4-465-858-11 INSTRUCTION 

MANUAL 

(TRADITIONAL CHINESE) 

(AEP, RU, UK, AUS, TW)

  

X-2580-505-1 GRILLE 

FRAME 

ASSY

• Abbreviation
 AUS : 

Australian 

model

  RU 

: Russian model

 TW  : 

Taiwan 

model