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Model
STR-DB798
Pages
95
Size
9.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-db798.pdf
Date

Sony STR-DB798 Service Manual ▷ View online

73
STR-DB798
7-5.
CHASSIS  SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
201
X-4955-348-1 FOOT ASSY
202
4-985-642-01 CUSHION
203
3-064-084-01 CLAMP (FCR-60), FLAT
204
4-971-099-01 WASHER (P)
0 F1
1-532-504-33 FUSE (T4AL/250V) (AEP, UK)
0 F1
1-533-312-12 FUSE GLASS CYLINDRICAL (DIA.5)
 (10A/125V) (TW)
0 F903
1-532-504-33 FUSE (T4AL/250V)
0 F904
1-532-504-33 FUSE (T4AL/250V)
0 T901
1-443-783-11 POWER TRANSFORMER (UK)
0 T901
1-443-783-21 POWER TRANSFORMER (AEP)
0 T901
1-443-784-11 POWER TRANSFORMER (TW)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#5
7-685-881-09 SCREW +BVTT 4X8 (S)
#6
7-685-645-79 SCREW +BVTP 3X6 TYPE2 IT-3
#7
7-685-885-09 SCREW +BVTT 4X16 (S)
201
201
202
202
203
204
F1
#1
#1
#5
#5
#6
#7
#7
T901
not supplied
not supplied
not 
supplied
not supplied
not 
supplied
not supplied
(DC PWR board)
not supplied
(AC board)
F903
F904
74
STR-DB798
7-6.
FRONT  PANEL  SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
351
4-240-507-01 KNOB (VOL) (for BLACK)
351
X-4953-671-1 KNOB (VOL-E) ASSY (for GOLD)
351
X-4953-672-1 KNOB (VOL-E) ASSY (for SILVER)
352
4-232-569-02 KNOB (FN DE9) (for BLACK)
352
4-232-569-12 KNOB (FN DE9) (for GOLD)
352
4-232-569-22 KNOB (FN DE9) (for SILVER)
353
4-245-437-01 KNOB (MENU) (for BLACK)
353
4-245-437-21 KNOB (MENU) (for GOLD)
353
4-245-437-31 KNOB (MENU) (for SILVER)
354
1-773-339-11 WIRE (FLAT TYPE) (31 CORE)
355
1-867-412-11 DISPLAY BOARD
356
3-087-053-01 +BVTP2.6 (3CR)
357
3-350-426-01 SPRING, RING
358
2-594-538-01 FRONT PANEL (AL 798) (BLACK)
358
2-594-538-11 FRONT PANEL (AL 798) (SILVER)
358
2-594-538-21 FRONT PANEL (AL 798) (GOLD)
359
X-4955-963-2 LID ASSY (for BLACK)
359
X-4955-967-1 LID ASSY (for GOLD)
359
X-4955-968-2 LID ASSY (for SILVER)
360
X-4953-000-1 WINDOW ASSY, REMOTE CONTROL
361
4-942-568-41 EMBLEM (NO.5), SONY (for BLACK)
361
4-942-568-51 EMBLEM (NO.5), SONY (for GOLD)
361
4-942-568-61 EMBLEM (NO.5), SONY (for SILVER)
362
4-245-442-01 HOLDER (FL)
* 363
4-921-941-01 CUSHION (FL)
FL1603
1-518-966-11 VOCUUM FLUORESENT DISPLAYS
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
353
352
351
357
358
359
360
361
356
356
363
362
356
354
355
356
supplied
with RV1051, 1052
supplied
with RV1061
supplied
with RV1060
panel base section
not
supplied
#1
not supplied
(VOL board)
not supplied
(DIRECT board)
356
not supplied
(FUNC board)
FL1603
356
75
STR-DB798
7-7.
PANEL  BASE  SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
401
4-245-438-02 PLATE, INDICATION (for BLACK)
401
4-245-438-21 PLATE, INDICATION (for SILVER, GOLD)
402
4-998-592-01 BUTTON (POWER) (for BLACK)
402
4-998-592-12 BUTTON (POWER) (for GOLD)
402
4-998-592-31 BUTTON (POWER) (for SILVER)
403
4-245-436-01 BUTTON (MENU) (for BLACK)
403
4-245-436-21 BUTTON (MENU) (for GOLD)
403
4-245-436-31 BUTTON (MENU) (for SILVER)
405
3-087-053-01 +BVTP2.6 (3CR)
406
4-245-435-02 BUTTON (MODE)
407
4-245-434-01 BUTTON (SP) (for BLACK)
407
4-245-434-21 BUTTON (SP) (for GOLD)
407
4-245-434-31 BUTTON (SP) (for SILVER)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
401
403
406
402
407
405
not supplied
not supplied
(HP-V3 board)
#1
supplied with J1081
403
not supplied
76
STR-DB798
SECTION  8
ELECTRICAL  PARTS  LIST
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
NOTE:
Due to standardization, replacements in the
parts list may be different from the parts
specified in the diagrams or the components
used on the set.
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
RESISTORS
All resistors are in ohms.
METAL: Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F: nonflammable
Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
SEMICONDUCTORS
In each case, u: 
µ
, for example:
uA... : 
µ
A...
uPA... : 
µ
PA...
uPB... : 
µ
PB...
uPC... : 
µ
PC...
uPD... : 
µ
PD...
CAPACITORS
uF: 
µ
F
COILS
uH: 
µ
H
Abbreviation
TW : Taiwan model
4-8 OHM
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
When indicating parts by reference
number, please include the board.
4-8 OHM BOARD (AEP, TW)
**************
< CONNECTOR >
* CN901
1-564-242-00 PIN, CONNECTOR (3.96mm PITCH) 5P
CN902
1-785-101-11 PIN, CONNECTOR (3.96mm PITCH) 3P
< SWITCH >
S901
1-571-309-31 SWITCH (IMPEDANCE SELECTOR)
************************************************************
A-1112-123-A A CLASS BOARD, COMPLETE
************************
< CAPACITOR >
C2001
1-137-505-11 FILM
220PF
5%
100V
C2002
1-112-103-11 ELECT
47uF
20%
63V
C2004
1-112-122-11 ELECT
220uF
20%
16V
C2005
1-112-131-11 ELECT
330uF
20%
25V
C2006
1-102-230-00 CERAMIC
4PF
0.25PF 500V
C2007
1-102-233-00 CERAMIC
33PF
10%
500V
C2008
1-137-383-91 MYLAR
220PF
5%
100V
C2009
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2010
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2011
1-137-503-11 FILM
100PF
5%
100V
C2101
1-137-505-11 FILM
220PF
5%
100V
C2102
1-112-103-11 ELECT
47uF
20%
63V
C2104
1-112-122-11 ELECT
220uF
20%
16V
C2105
1-112-131-11 ELECT
330uF
20%
25V
C2106
1-102-230-00 CERAMIC
4PF
0.25PF 500V
C2107
1-102-233-00 CERAMIC
33PF
10%
500V
C2108
1-137-383-91 MYLAR
220PF
5%
100V
C2109
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2110
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2111
1-137-503-11 FILM
100PF
5%
100V
C2201
1-137-505-11 FILM
220PF
5%
100V
C2202
1-112-103-11 ELECT
47uF
20%
63V
C2204
1-112-122-11 ELECT
220uF
20%
16V
C2205
1-112-131-11 ELECT
330uF
20%
25V
C2206
1-102-230-00 CERAMIC
4PF
0.25PF 500V
C2207
1-102-233-00 CERAMIC
33PF
10%
500V
C2208
1-137-383-91 MYLAR
220PF
5%
100V
C2209
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2210
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2211
1-137-503-11 FILM
100PF
5%
100V
C2301
1-137-505-11 FILM
220PF
5%
100V
C2302
1-112-103-11 ELECT
47uF
20%
63V
C2304
1-112-122-11 ELECT
220uF
20%
16V
C2305
1-112-131-11 ELECT
330uF
20%
25V
C2306
1-102-230-00 CERAMIC
4PF
0.25PF 500V
C2307
1-102-233-00 CERAMIC
33PF
10%
500V
C2308
1-137-383-91 MYLAR
220PF
5%
100V
C2309
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2310
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2311
1-137-503-11 FILM
100PF
5%
100V
C2401
1-137-505-11 FILM
220PF
5%
100V
C2402
1-112-103-11 ELECT
47uF
20%
63V
C2404
1-112-122-11 ELECT
220uF
20%
16V
C2405
1-112-131-11 ELECT
330uF
20%
25V
C2406
1-102-230-00 CERAMIC
4PF
0.25PF 500V
C2407
1-102-233-00 CERAMIC
33PF
10%
500V
C2408
1-137-383-91 MYLAR
220PF
5%
100V
C2409
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2410
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2411
1-137-503-11 FILM
100PF
5%
100V
C2501
1-137-505-11 FILM
220PF
5%
100V
C2502
1-112-103-11 ELECT
47uF
20%
63V
C2504
1-112-122-11 ELECT
220uF
20%
16V
C2505
1-112-131-11 ELECT
330uF
20%
25V
C2506
1-102-230-00 CERAMIC
4PF
0.25PF 500V
C2507
1-102-233-00 CERAMIC
33PF
10%
500V
C2508
1-137-383-91 MYLAR
220PF
5%
100V
C2509
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2510
1-137-389-11 MYLAR
0.0022uF
5%
100V
C2511
1-137-503-11 FILM
100PF
5%
100V
C2601
1-112-110-11 ELECT
47uF
20%
100V
C2602
1-112-110-11 ELECT
47uF
20%
100V
C2603
1-112-150-11 ELECT
4.7uF
20%
100V
C2605
1-112-151-11 ELECT
22uF
20%
100V
C2606
1-112-151-11 ELECT
22uF
20%
100V
C2701
1-137-505-11 FILM
220PF
5%
100V
C2702
1-112-103-11 ELECT
47uF
20%
63V
C2704
1-112-122-11 ELECT
220uF
20%
16V
C2705
1-112-131-11 ELECT
330uF
20%
25V
C2706
1-102-230-00 CERAMIC
4PF
0.25PF 500V
C2707
1-102-233-00 CERAMIC
33PF
10%
500V
C2708
1-137-383-91 MYLAR
220PF
5%
100V
A CLASS
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