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Model
STR-DH520
Pages
73
Size
4.8 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-dh520.pdf
Date
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53
STR-DH520
SECTION  5
EXPLODED  VIEWS
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
 CND : 
Canadian 
model
 ECE : 
Continental 
European, 
 
  East European and  
  
Russian 
models
 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.
5-1.  CASE  SECTION
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.
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
  1 
2-580-630-01  SCREW, +BVST 4X8
 2 
4-160-845-31 CASE
  3 
A-1795-723-A  DCDC BOARD, COMPLETE (SUFFIX-11)
  3 
A-1835-824-A  DCDC BOARD, COMPLETE (SUFFIX-21)
9  4 
A-1791-327-A  HDMI RE PC BOARD, COMPLETE (for SERVICE)
(SUFFIX-11)
9  4 
A-1835-871-A  HDMI RE PC BOARD, COMPLETE (for SERVICE)
(SUFFIX-21)
  #1 
7-685-646-71  SCREW +BVTP 3X8 TYPE2 IT-3
  #2 
7-682-546-09  SCREW +B 3X5
Ver. 1.3
not supplied
front panel section
chassis section
not supplied
#1
#1
#1
#1
back panel section
1
2
1
3
4
#1
#1
#2
not supplied
not supplied
A
A
(for CND, UK, TW, AUS
and ECE version)
54
STR-DH520
5-2.  FRONT  PANEL  SECTION
55
55
55
56
57
supplied with
RV102
supplied with
RV180
52
51
53
54
not supplied
(HEADPHONE board)
not supplied
not supplied
(HEADPHONE SUPPORT board)
not supplied
(POWER KEY board)
FL101
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
  51 
X-2560-509-1  FRONT PANEL ASSY (US, CND)
  51 
X-2560-510-1  FRONT PANEL ASSY (UK, TW, AUS, ECE)
 52 
4-977-358-01 CUSHION
  53 
4-124-321-01  KNOB, VOLUME (G53)
  54 
4-124-322-01  KNOB, INPUT (G53)
 55 
3-087-053-01 +BVTP2.6 
(3CR)
  56 
A-1795-717-A  DISPLAY BOARD, COMPLETE
  57 
1-828-341-51  WIRE (FLAT TYPE) (15 CORE)
  FL101 
1-483-110-11 
VACUUM FLOURESCENT DISPLAY
  RV102 
1-418-725-41  ENCODER, ROTARY (12 TYPE)
  
 
(MASTER 
VOLUME)
  RV180 
1-418-817-21  ENCODER, ROTARY (INPUT SELECTOR)
Note:  If wire (fl at type) is replaced, install it after bending 
it in the same form as that before replacement.
55
STR-DH520
5-3.  BACK  PANEL  SECTION
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
  101 
4-966-267-12  BUSHING (FBS001), CORD
0 102 
1-777-071-83  CORD, POWER (UK, ECE)
0 102 
1-833-566-21  POWER-SUPPLY CORD (AUS)
0 102 
1-837-308-11  CORD, POWER-SUPPLY (US, CND)
0 102 
1-837-345-11  CORD, POWER-SUPPLY (TW)
  103 
1-693-737-21  TUNER (FM/AM) (UK, TW, AUS, ECE)
  103 
1-693-779-11  TUNER (FM/AM) (US, CND)
  104 
1-827-731-51  WIRE (FLAT TYPE) (11 CORE)
(UK, TW, AUS, ECE)
  104 
1-828-957-51  WIRE (FLAT TYPE) (9 CORE) (US, CND)
  105 
A-1795-713-A  STANDBY-A VIDEO MT PC BOARD (US, CND)
(SUFFIX-13)
 105 
A-1795-792-A STANDBY-A VIDEO MT PC BOARD (UK, AUS, ECE)
(SUFFIX-13)
  105 
A-1802-638-A  STANDBY-A VIDEO MT PC BOARD (TW)
(SUFFIX-13)
  105 
A-1835-819-A  STANDBY-A VIDEO MT PC BOARD (US, CND)
(SUFFIX-24)
 105 
A-1835-828-A STANDBY-A VIDEO MT PC BOARD (UK, AUS, ECE)
(SUFFIX-24)
  105 
A-1835-832-A  STANDBY-A VIDEO MT PC BOARD (TW)
(SUFFIX-24)
0 F901 
1-532-465-33  FUSE, T3.15AL 250V (UK, AUS, ECE)
0 F901 
1-532-506-33  FUSE, T6.3AL 250V (TW)
0 F901 
1-533-311-12  FUSE, GLASS (DIA.5) 8A 125V (US, CND)
  #1 
7-685-646-71  SCREW +BVTP 3X8 TYPE2 IT-3
Note:  If wire (fl at type) is replaced, install it after bending 
it in the same form as that before replacement.
#1
#1
F901
104
103
105
102
101
not supplied
not supplied
(for UK, AUS and
ECE version)
(for UK, TW, AUS 
and ECE version)
Ver. 1.3
56
STR-DH520
5-4.  CHASSIS  SECTION
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
  Q503 
6-702-390-01  TRANSISTOR   MN2488-OPY-MK
  Q504 
6-702-391-01  TRANSISTOR   MP1620-OPY-MK
  Q553 
6-702-390-01  TRANSISTOR   MN2488-OPY-MK
  Q554 
6-702-391-01  TRANSISTOR   MP1620-OPY-MK
  Q603 
6-702-390-01  TRANSISTOR   MN2488-OPY-MK
  Q604 
6-702-391-01  TRANSISTOR   MP1620-OPY-MK
  Q653 
6-702-390-01  TRANSISTOR   MN2488-OPY-MK
  Q654 
6-702-391-01  TRANSISTOR   MP1620-OPY-MK
  Q703 
6-702-390-01  TRANSISTOR   MN2488-OPY-MK
  Q704 
6-702-391-01  TRANSISTOR   MP1620-OPY-MK
  Q753 
6-702-390-01  TRANSISTOR   MN2488-OPY-MK
  Q754 
6-702-391-01  TRANSISTOR   MP1620-OPY-MK
  Q853 
6-702-390-01  TRANSISTOR   MN2488-OPY-MK
  Q854 
6-702-391-01  TRANSISTOR   MP1620-OPY-MK
0 T901 
1-445-652-31  POWER TRANSFORMER (MAIN) (UK, AUS, ECE)
0 T901 
1-697-117-11 
POWER TRANSFORMER (MAIN) (US)
0 T901 
1-445-824-21  POWER TRANSFORMER (MAIN) (CND, TW)
  #1 
7-685-646-71  SCREW +BVTP 3X8 TYPE2 IT-3
 151 
4-977-358-01 CUSHION
  152 
4-249-675-01  +BV SUMITITE S 4X6 ROUND
 153 
3-905-609-31 SCREW 
(TRANSISTOR)
  154 
A-1795-721-A  DIGITAL BOARD, COMPLETE (US, CND)
(SUFFIX-11)
  154 
A-1795-793-A  DIGITAL BOARD, COMPLETE (UK, TW, AUS, ECE)
(SUFFIX-11)
  154 
A-1835-822-A  DIGITAL BOARD, COMPLETE (US, CND)
(SUFFIX-21)
  154 
A-1835-830-A  DIGITAL BOARD, COMPLETE (UK, TW, AUS, ECE)
(SUFFIX-21)
  155 
A-1795-711-A  MAIN BOARD, COMPLETE (US, CND)
(SUFFIX-13)
  155 
A-1795-791-A  MAIN BOARD, COMPLETE (UK, TW, AUS, ECE)
(SUFFIX-13)
  155 
A-1835-817-A  MAIN BOARD, COMPLETE (US, CND)
(SUFFIX-24)
  155 
A-1835-827-A  MAIN BOARD, COMPLETE (UK, TW, AUS, ECE)
(SUFFIX-24)
not supplied
(LOCK board)
#1
#1
155
C
B
B
T901
152
152
C
D
D
151
151
not supplied
#1
not supplied
(TEMP-SENSOR board)
154
not supplied
not supplied
(INSULATION board)
not supplied
not supplied
supplied with Q503, Q504,
Q553, Q554, Q603, Q604,
Q653, Q654, Q703, Q704,
Q753, Q754, Q853, Q854
Q604
Q553
Q603
Q704
Q703
Q654
Q653
Q754
Q753
Q854
Q853
Q504
Q503
Q554
#1
#1
#1
153
153
153
Ver. 1.3
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