DOWNLOAD Sony STR-DB1070 / STR-DB870 Service Manual ↓ Size: 8.4 MB | Pages: 92 in PDF or view online for FREE

Model
STR-DB1070 STR-DB870
Pages
92
Size
8.4 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-db1070-str-db870.pdf
Date

Sony STR-DB1070 / STR-DB870 Service Manual ▷ View online

61
STR-DB870/DB1070
Pin No.
Pin Name
I/O
Description
132
AD1
I
Key input terminal (A/D input) S1702, 1703, 1941 to 1945 (DIMMER, DISPLAY, ON 
SCREEN (DB1070), FM/AM, SHIFT, PRESET TUNING – /+)
133
AD2
I
Key input terminal (A/D input)  S1911 to 1918 (EQUALIZER, STREAM INFO (DB870)/
2ND ROOM (DB1070), TEST TONE, TUNING +/–, SLEEP (US, Canadian, E, Chinese 
models)/RDS/PTY (AEP, UK models) FM MODE, MEMORY)
134
AD3
I
Key input terminal (A/D input) S1901 to 1908 (ENTER, >, <, LEVEL, SUR, EQ, NAME, 
SET UP)
135
AD4
I
Key input terminal (A/D input) S1921 to 1925 (6.1CH DECODING, CINEMA STUDIO EX, 
DIGITAL CONCERT HALL, 2CH, A.F.D.)
136
AD5
I
Key input terminal (A/D input) S1801 to 1803, 1931 to 1934 (INPUT MODE, AUDIO 
SPLIT, MUTING, MODE – , NIGHT MODE, MULTI/2CH A.DIRECT, MODE +)
137
VERSION1
I
Version setting signal input terminal
138
VERSION2
I
Version setting signal input terminal
139
RDS SIGNAL
I
FM IF signal input from the tuner unit (AEP, UK models only)
140
VCC2
Power supply terminal (+3.3V)
141
BACKUP
Power supply terminal (+3.3V) (for back up)
142
GND
Ground terminal
143
OPEN
Not used (open)
144
VSS
Ground terminal
62
STR-DB870/DB1070
 VIDEO BOARD  IC307  MB90089F-G-238-BND (OSD DRIVER)
Pin No.
Pin Name
I/O
Description
1
YIN
I
Y (luminance) signal input from the Y switch (IC752)
2
CIN
I
C (color) signal input from the C switch (IC750)
3
VIN
I
Composite video signal input from the video select (IC308)
4
AVCC
Power supply terminal (+5V) (for analog)
5
FSCO
O
Internal color burst phase display signal output terminal    Not used (open)
6
VBLK
O
Vertical blanking timing signal output terminal    Not used (open)
7
VCC
Power supply terminal (+5V)
8
EXS
I
External clock generator circuit for color burst 
(NTSC: 14.31818MHz, PAL: 17.734475MHz)
9
XS
O
Clock signal output terminal for color burst    Not used (open)
10
HSYNC
O
Horizontal synchronizing signal output terminal (for test)
11
VSYNC
O
Vertical synchronizing signal output terminal (for test)
12
EXHSYN
I
External horizontal synchronizing signal input terminal    Not used (open)
13
EXVSYN
I
External vertical synchronizing signal input terminal    Not used (open)
14
VSS
Ground terminal
15
EXD
I
Dot clock generator connecting terminal for display
16
XD
O
Dot clock generator connecting terminal for display
17
VOB
O
Blanking signal output terminal    Not used (open)
18
VOC2
O
color signal output terminal    Not used (open)
19
VOC1
O
color signal output terminal    Not used (open)
20
VOC0
O
color signal output terminal    Not used (open)
21
TEST
I
Test signal input terminal    “L”: test (normally: fixed at “H”)
22
SCLK
I
Serial data transfer shift clock signal input terminal
23
SIN
I
Serial data input terminal
24
CS
I
Chip select signal input terminal    “L”: active    
25
VOUT
O
Composite video signal output to the video buffer (IC305)
26
COUT
O
C (color)  signal output to the video buffer (IC305)
27
YOUT
O
Y (luminance) signal output to the video buffer (IC305)
28
AVSS
Ground terminal (for analog)
63
STR-DB870/DB1070
7-1.
CASE  SECTION
SECTION  7
EXPLODED  VIEWS
• 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 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
Les composants identifiés par une
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
1
X-4948-601-1 KNOB (FUNC) ASSY (BLACK)
1
X-4948-634-1 KNOB (FUNC) ASSY (GOLD)
1
X-4950-280-1 KNOB (FUNC) ASSY (SILVER)
2
3-703-466-00 SPRING (6600)
3
X-4953-670-1 KNOB (VOL-E) ASSY (BLACK)
3
X-4953-671-1 KNOB (VOL-E) ASSY (GOLD)
3
X-4953-672-1 KNOB (VOL-E) ASSY (SILVER)
5
4-233-626-01 KNOB (F14B) (BLACK)
5
4-233-626-11 KNOB (F14B) (GOLD)
5
4-233-626-21 KNOB (F14B) (SILVER)
6
4-942-568-41 EMBLEM (NO.5), SONY (BLACK)
6
4-942-568-51 EMBLEM (NO.5), SONY (GOLD)
6
4-942-568-61 EMBLEM (NO.5), SONY (SILVER)
7
X-4953-000-1 WINDOW ASSY, REMOTE CONTROL
8
4-227-843-01 SCREW (TP), FLAT HEAD (BLACK)...(BLACK)
8
4-227-843-11 SCREW (TP), FLAT HEAD
(SILVER)...(SILVER, GOLD)
9
X-4952-818-1 FOOT ASSY (F50180S) (US, CND)
9
X-4952-819-1 FOOT ASSY (F50180S)
(EXCEPT US, CND/SILVER)
9
X-4952-820-1 FOOT ASSY (F50180S) (GOLD)
10
4-970-123-41 FOOT (F50180S) (US, CND)
10
4-970-123-51 FOOT (F50180S) (EXCEPT US, CND/SILVER)
10
4-970-123-61 FOOT (F50180S) (GOLD)
11
4-985-642-01 CUSHION
* 12
X-4950-431-1 CASE ASSY (BLACK)
* 12
X-4950-432-1 CASE ASSY (SILVER)
* 12
X-4950-437-1 CASE ASSY (GOLD)
A
B
B
A
#1
#1
#1
#2
#2
1
3
2
5
6
7
12
8
8
8
8
front panel section-1
chassis section
10
9
9
10
not 
supplied
not 
supplied
not 
supplied
11
11
• Abbreviation
CH
: Chinese model
CND : Canadian model
E2
: 120 V AC area in E model
E3
: 240 V AC area in E model
KR
: Korean model
MY : Malaysia model
SP
: Singapore model
TW : Taiwan model
Ver 1.5
64
STR-DB870/DB1070
7-2.
FRONT  PANEL  SECTION-1
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-233-627-01 PANEL, FRONT (DB1070: CND, E2, E3, US)
51
4-233-627-11 PANEL, FRONT (for BLACK) (DB1070: AEP, UK)
51
4-233-627-21 PANEL, FRONT (for SILVER)
(DB1070: AEP, UK)
51
4-233-627-31 PANEL, FRONT (CH, KR, MY, SP, TW)
51
4-233-627-51 PANEL, FRONT (DB870: CND)
51
4-233-627-61 PANEL, FRONT (for BLACK) (DB870: AEP, UK)
51
4-233-627-71 PANEL, FRONT (for SILVER) (DB870: AEP, UK)
52
A-2004-824-A LID ASSY (for SILVER) (DB870: AEP, UK)
52
A-4412-934-A LID ASSY (for BLACK) (DB870: AEP, CND, UK)
52
A-4412-938-A LID ASSY (for BLACK)
(DB1070: AEP, CND, E2, E3, UK, US)
52
A-4412-940-A LID ASSY (CH, KR, MY, SP, TW)
52
A-4412-942-A LID ASSY (for SILVER) (DB1070: AEP, UK)
53
3-736-779-41 MAGNET (BLACK)
53
3-736-779-71 MAGNET (SILVER)
53
3-736-779-81 MAGNET (GOLD)
54
4-217-729-01 KNOB (JOG) (BLACK)
54
4-217-729-11 KNOB (JOG) (GOLD)
54
4-217-729-21 KNOB (JOG) (SILVER)
57
4-227-138-01 BUTTON (DISPLAY) (BLACK)
57
4-227-138-11 BUTTON (DISPLAY) (GOLD)
57
4-227-138-21 BUTTON (DISPLAY) (SILVER)
58
1-681-101-11 POWER BOARD
59
4-951-620-01 SCREW (2.6X8), +BVTP
60
X-4952-753-1 BRACKET (DAMPER L) ASSY
61
3-973-975-31 DAMPER, OIL
62
1-765-352-11 WIRE (FLAT TYPE) (31 CORE)
63
A-4476-467-A DISP BOARD, COMPLETE (DB870)
63
A-4476-500-A DISP BOARD, COMPLETE (DB1070)
65
4-227-153-01 SHEET (LIGHT INTERCEPTION)
66
4-233-625-01 HOLDER (6.1CH)
51
52
53
54
53
57
58
59
#1
63
62
65
60
66
61
#1
Front panel section-2
#2
59
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