Read Sony STR-DE485 / STR-DE485E Service Manual online
STR-DE485/DE485E
34
34
IC501 STK350-230 (MAIN BOARD (2/2))
4-20. IC BLOCK DIAGRAMS
IC103 NJM2595 (VIDEO BOARD)
IC1501 AK4527 (DIGITAL BOARD (1/2))
IC1101 LC89056W (DIGITAL BOARD (1/2))
1
SDOS
LOOP1
CDTI
CCLK
CS
S/P
MCLKI
DZF1
A.GND
A.5V
FREFH
VCOM
2
12C
3
S.MUTE
4
BCLK
5
LRCK
6
SDTI1
7
SDTI2
8
SDTI3
9
SDTO
10
DAUX
11
DFS
33 DZF2
32 RIN+
31 RIN-
31 RIN-
30 LIN+
29 LIN-
29 LIN-
28 ROUT1
ADC
AUDIO
I/F
HPF
ADC
HPF
FORMAT
CONVERTER
DATT
DAC
LPF
27 LOUT1
DATT
DAC
LPF
26 ROUT2
DATT
DAC
LPF
25 LOUT2
DATT
DAC
LPF
24 ROUT3
DATT
DAC
LPF
23 LOUT3
DATT
DAC
LPF
MCLK
SDOUT
BCLK
LRLK
SDT0
SDTI1
SDTI1
SDTI2
39
40
41
42
43
37
38
35
36
44
34
DEM1
DEM0
TVDD
D.5V
D.GND
PD
ICKS2
ICKS1
ICKS0
CAD1
CAD0
17
16
15
14
13
19
18
21
20
12
22
1
IN+
2
IN-
3
4
5
-VOUT
6
+BOUT
7
-B
8
GND
9
+B
PRE
GND
DRIVER
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
+VOUT1
–VOUT1
NF1
IN1
GND
IN2
NF2
–VOUT2
+VOUT2
VCC
VCC
VEE
DRIVE
13
14
CKOUT
12
A.GND
11
AVDD
4
DIN1
10
LPF
9
VIN
8
R
7
DVDD
6
D.GND
5
DIN2
2
DOUT
1
DISEL
3
DIN0
25
CSFLAG
33
BPSYNC
32
AUTO
31
DGND
30
DVDD
26 27 28 29
F3/P3/C3
F2/P2/C2
F1/P1/C1
F0/P0/C0
35
DO
36
DI
34
ERROR
BCK
15
16
LRCK
DATAO
17
XSTATE
18
19
DGND
DVDD
20
21
XMCK
XOUT
22
XIN
23
24
EMPHA
AUDIO
48
47
XMODE
CKSEL1
CKSEL1
46
45
CKSEL0
DOSEL1
DOSEL1
44 DOSEL0
43
43
42
DVDD
DGND
DGND
41
40
MODE1
MODE0
MODE0
39 XSEL
38
37
CLK
CE
INPUT
PLL
DATA
DEMODULATOR
C BIT DETECTION
Pa,Pb DETECTION
MICROPROCESSOR INTERFACE
LOCK
DETECTION
fs
CALCULATION
TIMING
X'TAL1
1
M.OUT
2
SW5
8
VEE
3
DVD
4
SW3
5
V2
6
SW4
7
NC
S3
S1
S2
S4
S6
S7
S5
16 VCC
SW2
V3
V1.OUT
SW1
V1
GND
V1
GND
NC
6dB
AMP
75
Ω
DRIVER
10
9
15
14
13
12
13
12
11
-V
+V
IC701 µPC2581V (MAIN BOARD (2/2))
IC702 µPC2581V (MAIN BOARD (2/2))
IC702 µPC2581V (MAIN BOARD (2/2))
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