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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.

• Abbreviation
 AUS : 

Australian 

model

 BR  : 

Brazillian 

model

 CND : 

Canadian 

model

  E12 

: 220 – 240 V AC area in E model

 MX  : 

Mexican 

model

 TW  : 

Taiwan 

model

•  The mechanical parts with no reference 

number in the exploded views are not sup-
plied.

•  Color Indication of Appearance Parts Ex-

ample:

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

 

R 

R    

   

 

Parts Color  Cabinet’s Color

•  Accessories are given in the last of the 

electrical parts list.

The components identifi ed  by  mark  0 
or dotted line with mark 0 are critical for 
safety. 
Replace only with part number specifi ed.

Les composants identifi és par une marque 
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant 
le numéro spécifi é.

The components identifi ed by mark 9 con-
tain confi dential information.
Strictly follow the instructions whenever 
the components are repaired and/or re-
placed.

Les composants identifi és par la marque  
9 contiennent des informations confi denti-
elles.
Suivre scrupuleusement les instructions 
chaque fois qu’un composant est rem-
placé et / ou réparé.

  1 

4-448-295-01  SCREW B-TYPE 4X8

  2 

4-442-873-32  CASE (ENTRY) (DH550)

  Ref. No. 

Part No. 

Description 

Remark

  Ref. No. 

Part No. 

Description 

Remark

  2 

4-442-873-52  CASE (ENTRY) (DH750)

  #1 

7-685-646-71  SCREW +BVTP 3X8 TYPE2 IT-3

A

A

  Ref. No. 

Part No. 

Description 

Remark

  Ref. No. 

Part No. 

Description 

Remark

  51 

X-2588-835-1  FRONT PANEL ASSY (DH750: US, CND)

  51 

X-2588-837-1  FRONT PANEL ASSY (DH750: AEP, UK, AUS, MX,

BR, TW)

  51 

X-2588-840-1  FRONT PANEL ASSY (DH550: US, CND)

  51 

X-2588-841-1  FRONT PANEL ASSY (DH550: AEP, UK, AUS, E12)

 52 

4-442-859-01 KNOB, 

MENU

 53 

4-442-860-01 KNOB, 

VOLUME

 54 

3-087-053-01 +BVTP2.6 

(3CR)

  55 

A-1989-183-A  POWER KEY BOARD, COMPLETE

  56 

A-1989-480-A  DISPLAY BOARD, COMPLETE (DH750)

  56 

A-1989-626-A  DISPLAY BOARD, COMPLETE (DH550)

  57 

1-828-412-61  WIRE (FLAT TYPE) (29 CORE)

  58 

A-1989-184-A  FRONT JACK BOARD, COMPLETE

  59 

1-828-167-61  WIRE (FLAT TYPE) (8 CORE) (DH750)

  60 

1-828-308-61  WIRE (FLAT TYPE) (9 CORE) (DH750)

  61 

8-989-470-05  RC-S801/A5 (WW) (DH750)

  62 

1-490-558-72  BLUETOOTH MODULE (DH750)

  63 

1-828-202-61  WIRE (FLAT TYPE) (14 CORE) (DH750)

  EN100 

1-418-817-21  ENCODER, ROTARY (INPUT SELECTOR)

  EN101 

1-418-725-41  ENCODER, ROTARY (12 TYPE)

(MASTER VOLUME)

  ND101 

1-483-517-11  VACUUM FLUORESCENT DISPLAY

Note: If wire (fl at type) is replaced, install it after bending 

it in the same form as that before replacement.

  101 

4-966-267-12  BUSHING (FBS001), CORD

0 102 

1-834-966-41  POWER-SUPPLY CORD (AEP)

0 102 

1-834-967-21  CORD, POWER (AUS)

0 102 

1-835-706-22  CORD, POWER-SUPPLY (BR)

0 102 

1-837-308-11  CORD, POWER-SUPPLY (US, CND)

0 102 

1-837-344-11  CORD, POWER-SUPPLY (MX)

0 102 

1-837-345-11  CORD, POWER-SUPPLY (TW)

0 102 

1-839-012-11  CORD, POWER-SUPPLY (E12)

0 102 

1-839-999-21  POWER-SUPPLY CORD (UK)

  103 

A-1988-684-A  STANDBY DCDC BOARD, COMPLETE

(DH750: US, CND, MX, TW)

  103 

A-1989-572-A  STANDBY DCDC BOARD, COMPLETE

(DH750: AEP, UK, AUS)

  103 

A-1989-616-A  STANDBY DCDC BOARD, COMPLETE (BR)

  103 

A-1989-624-A  STANDBY DCDC BOARD, COMPLETE

(DH550: US, CND)

  Ref. No. 

Part No. 

Description 

Remark

  Ref. No. 

Part No. 

Description 

Remark

  103 

A-1989-634-A  STANDBY DCDC BOARD, COMPLETE

(DH550: AEP, UK, AUS, E12)

  104 

A-1846-561-A  TUNER1AMPR ASSY (AEP, UK, AUS, E12, TW)

  104 

A-1846-564-A  TUNER1AMF ASSY (US, CND, MX, BR)

  105 

1-828-308-61  WIRE (FLAT TYPE) (9 CORE)

  106 

A-1989-867-A  HDMI BOARD, COMPLETE (for SERVICE)

0 F901 

1-532-464-33  FUSE (T2.5AL/250V) (E12)

0 F901 

1-532-465-33  FUSE (T3.15AL/250V) (AEP, AUS, UK)

0 F901 

1-532-504-33  FUSE, (T4AL/250V) (BR)

0 F901 

1-532-506-33  FUSE, (T6.3AL/250V) (MX, TW)

0 F901 

1-533-311-12  FUSE, GLASS (DIA.5) (8A/125V) (US, CND)

0 F902 

1-532-506-33  FUSE, (T6.3AL/250V) (BR)

  #1 

7-685-646-71  SCREW +BVTP 3X8 TYPE2 IT-3

  #2 

7-682-546-09  SCREW +B 3X5

Note:  If wire (fl at type) is replaced, install it after bending 

it in the same form as that before replacement.

  Ref. No. 

Part No. 

Description 

Remark

  Ref. No. 

Part No. 

Description 

Remark

  Q701 

6-702-391-01  TRANSISTOR   MP1620-OPY-MK

  Q750 

6-702-390-01  TRANSISTOR   MN2488-OPY-MK

  Q751 

6-702-391-01  TRANSISTOR   MP1620-OPY-MK

  Q800 

6-702-390-01  TRANSISTOR   MN2488-OPY-MK (DH750)

  Q801 

6-702-391-01  TRANSISTOR   MP1620-OPY-MK (DH750)

  Q850 

6-702-390-01  TRANSISTOR   MN2488-OPY-MK (DH750)

  Q851 

6-702-391-01  TRANSISTOR   MP1620-OPY-MK (DH750)

0 T901 

1-697-237-21  POWER TRANSFORMER (MAIN) (MX)

0 T901 

1-697-238-21  POWER TRANSFORMER (MAIN) (BR)

0 T901 

1-697-367-11  POWER TRANSFORMER (MAIN) (AEP, UK, AUS)

0 T901 

1-697-425-11  POWER TRANSFORMER (MAIN) (US, CND, TW)

0 T901 

1-697-414-11  POWER TRANSFORMER (MAIN) (E12)

  #1 

7-685-646-71  SCREW +BVTP 3X8 TYPE2 IT-3

  151 

4-249-675-02  +BV SUMITITE S 4X6 ROUND

 152 

3-905-609-31 SCREW 

(TRANSISTOR)

  153 

1-828-379-61  WIRE (FLAT TYPE) (23 CORE)

  154 

A-1988-674-A  MAIN BOARD, COMPLETE (DH750)

  154 

A-1989-623-A  MAIN BOARD, COMPLETE (DH550)

 155 

4-447-491-01 CUSHION, 

FOOT

 156 

X-2583-799-2 ASSY, 

FOOT

  Q550 

6-702-390-01  TRANSISTOR   MN2488-OPY-MK

  Q551 

6-702-391-01  TRANSISTOR   MP1620-OPY-MK

  Q600 

6-702-390-01  TRANSISTOR   MN2488-OPY-MK

  Q601 

6-702-391-01  TRANSISTOR   MP1620-OPY-MK

  Q650 

6-702-390-01  TRANSISTOR   MN2488-OPY-MK

  Q651 

6-702-391-01  TRANSISTOR   MP1620-OPY-MK

  Q700 

6-702-390-01  TRANSISTOR   MN2488-OPY-MK

Note:  If wire (fl at type) is replaced, install it after bending 

it in the same form as that before replacement.

D

D

E

E

F

F

G

G

F

G

B

C

B

C