Read Sony STR-DE885 / STR-DE985 (serv.man2) Service Manual online
4
4
STR-DE885/DE985
2. BLOCK DIAGRAM — AUDIO (2) SECTION —
R-CH
R-CH
R-CH
J209 (1/2)
J210 (1/2)
J304
J305
TV/SAT
AUDIO-IN
TV/SAT
VIDEO2
VIDEO1
6.1L
VIDEO3
VIDEO1 OUT
VIDEO2 OUT
COM
23
25
26
R-CH
R-CH
MULTI
CH IN1
FRONT
SURROUND
CENTER
SUB
WOOFER
SURR
BACK
3
5.1L
R-CH
J298 (1/2)
L-IN
R-IN
L
R
L
R
AUDIO
VIDEO 3
IN
AUDIO
IN
DVD/LD
L
R
AUDIO
IN
VIDEO 2
L
R
AUDIO
IN
VIDEO 1
L
R
AUDIO
IN
R-CH
R-CH
J209 (2/2)
L
R
L
R
VIDEO 2
R-CH
R-CH
L-CH
J210 (2/2)
AUDIO
OUT
VIDEO 1
DATA LATCH
LEVEL
SHIFT
•
SHIFT
RESISTOR
AUDIO
OUT
L
R
L
R
FRONT
CENTER
SUB
WOOFER
SURROUND
L
R
L
R
J308
R-CH
R-CH
MF-L
MS-L
MC-L
MW-L
MW-R
MW-R
SURR BACK
MF-R
MS-R
MC-R
R-CH
MULTI
CH IN
MULTI
CH IN2
TUNER/
AUDIO(1)
SECTION
E
TUNER/
AUDIO(1)
SECTION
C
TUNER/
AUDIO(1)
SECTION
B
18
21
DVD/LD
24
22
19
20
15
14
16
JW461
JW460
JW462
JW459
DE885
2
6.1C
10
5.1C
9
6.1SW
5.1SW
20
19
6.1SL
6
5.1SL
5
R-CH
R-CH
R-CH
R-CH
DATA LATCH
LEVEL
SHIFT
•
SHIFT
RESISTOR
DAT
CLK
LATCH
DAT
CLK
LATCH
4
7
11
18
15
14
16
8
11
9
10
13
12
12
6
5
4
4
3
1
2
2
+3.3V
(STBY)
BUFFER
IC1142
006_LAT
TUNER/
AUDIO(1)
SECTION
D
DATA_M
CLK_M
011_LAT
DE885
DE985
DE985
LOUT
SLOUT
COUT
SWOUT
(EACH SWITCH)
(EACH SWITCH)
INPUT SELECT
IC200
INPUT SELECT
IC402
• Signal path
: VIDEO (AUDIO)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 3)
(Page 3)
(Page 3)
(Page 3)
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