Sony STR-DE485 Service Manual

STR-DE485/DE485E
17 17
4-4. BLOCK DIAGRAM — DIGITAL SECTION —
30
+5V-2
AVDD
AMP
IC1502
DSI1
SDTI1
LOUT1
LOUT 3
ROUT 3
LOUT 2
SD01
SDTO
29
9 18
GP8
AUDIO
24 69
KFSI0
CKOUT
13 22
BCKI2
BCK
14 29
LRCKI2
LRCK
15 28
DSI2
CS
WE
DATAO
SCKOUTMCLKI
39 14
23 6
SDTI2
SD02
24 7
SDTI3
SD03
25 8
27
GP10
67
LRCK
LRCKO
19 5
BCK
BCKO
20 4
17
X1201
13.5MHz
X1101
12.288MHz
MCLK1
9
MCLK2
12
CSO
44
WEO
45
68 56
108,107,105 -102,99,
98,79 - 77,75 - 72
24 - 27,42 - 44,
1 - 5,18 - 21
29 - 32,35 - 38,
16-13,10 - 7
112,110,109,99 - 92,
85-82,66 - 64
6
17
2 11336 35 33 3432
321 6 74 18 19 205
EXLOCK
ERROR
21
22
21
99
1
95 96 97 98 94 100
38 37 36 35 33 47 17
3 43 42 41
8 9 10 12 13
DAC
DAC
DAC
DAC
23
24
25
AUDIO
I/F
(2/2)
INPUT
DATA
DEMODULATOR
Pa,Pb DETECTION LOCK
DETECTION
MICROPROCESSOR
I/F
C bit DETECTION
34 59
16 30
DVD/LD
IN
DIGITAL
COAXIAL
VIDEO 2
IN
OPTICAL
OUT
IC1105
IC1102
DIR
IC1101
J1101
23
WAVE
SHAPER
6 7 2 1
+5V-1
D5V
+2.5V
VDDI
+3.3V
VDDE
+3.3V
VDD
NC
L-IN
R-IN
FC MUTE
R-CH
L IN-
L IN+
LPF
AUDIO
I/F
(1/2)
CODEC
IC1501
DSP
IC1201
ROM
IC1202
DLIN
DCIN
DSWIN
DSLIN
PD S.MUTE CDT1 CCLK CS
PD
SMUTE
CDT1
SCL
CS
CODEC
GP9
DATAO
HACN
BST
HCS
XRST
HDIN
PM
HDOUT
HCLK
GP9 HACN BST HCS XRST HDIN PM HDOUT HCLK
DSP
CLK
CE
DI
DO
CKSEL1 XSTATE
CLK CE DI DO BPSYNC CKSEL1 XSTATE
DIR
5
4
XOUT
XIN
F.MUTE
Q1601
INV.
ERROR
Q1602
D1101
D0-15A0-15 D0-15A0-15
SYSTEM
CONTROL
IC1601 (2/4)
TUNER/
AUDIO
SECTION
3
TUNER/
AUDIO
SECTION
2
TUNER/
AUDIO
SECTION
1
ADC
• Signal path
: TUNER (FM/AM)
: CD (ANALOG)
: CD (DIGITAL)
• R-ch is omitted due to
same as L-ch.
(Page 16)
(Page 16)
(Page 16)

Sony STR-DE485 Specifications

General

Impedance	8 ohms
Digital Inputs	1 Optical
Type	Stereo Receiver
Audio Channels	5.1
Video Connections	Composite
Tuner Type	AM/FM
Frequency Response	10 Hz - 50 kHz
Dimensions	430 x 145 x 298 mm
Weight	17.6 lbs
Dimensions (alternate)	17.1 x 5.6 x 13.8 inches
Weight (alternate)	17.6 lbs
Outputs	2 Audio, 1 Video