Ic Block Diagrams - Sony STR-DE485 Service Manual

STR-DE485/DE485E

4-20. IC BLOCK DIAGRAMS

IC501 STK350-230 (MAIN BOARD (2/2))
PRE DRIVER
GND
1 2 3 4 5 6 7 8 9
IC701 µPC2581V (MAIN BOARD (2/2))
IC702 µPC2581V (MAIN BOARD (2/2))
BIAS CIRCUIT
PROTECTOR
PRE PRE
REG DRIVE
DRIVE
DRIVE
DRIVE
2 3 4 5 6
1 7 8 9 10 11 12 13 14 15
IC1101 LC89056W (DIGITAL BOARD (1/2))
12 11 10 9 8 7 6
CKOUT 13
BCK 14
PLL
LRCK 15
DATAO 16
XSTATE 17
DGND 18
DVDD 19
X'TAL1
XMCK 20
TIMING
XOUT
21
XIN 22
EMPHA 23
AUDIO 24
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5 4 3 2 1
48
XMODE
CKSEL1
47
46 CKSEL0
45 DOSEL1
44 DOSEL0
43 DVDD
42 DGND
INPUT
41 MODE1
40 MODE0
39 XSEL
38 CLK
37 CE
DATA
DEMODULATOR
LOCK fs
DETECTION CALCULATION
25 26 27 28 29 30 31 32 33 34 35 36
IC1501 AK4527 (DIGITAL BOARD (1/2))
SDOS 1
12C 2
S.MUTE 3
BCLK 4
LRCK 5
SDTI1
6
SDTI2
7
SDTI3
8
SDTO
9
DAUX 10
DFS 11
IC103 NJM2595 (VIDEO BOARD)
1
M.OUT
2
SW5
DVD 3
SW3 4
V2 5
SW4 6
NC 7
VEE 8
34 34
44 43 42 41 40 39 38 37 36 35 34
AUDIO
I/F
MCLK
33 DZF2
32 RIN+
HPF ADC
SDOUT
31 RIN-
30 LIN+
FORMAT HPF ADC
29 LIN-
CONVERTER
DATT DAC LPF 28 ROUT1
BCLK
LRLK
27 LOUT1
DATT DAC LPF
SDT0
SDTI1
26 ROUT2
DATT DAC LPF
SDTI2
DATT DAC LPF 25 LOUT2
DATT DAC LPF 24 ROUT3
23 LOUT3
DATT DAC LPF
12 13 14 15 16 17 18 19 20 21 22
6dB 75Ω
DRIVER
AMP
S5
S6
S3
S1
S2 S4
S7
-V
+V 16 VCC
15 V1.OUT
14
SW1
13
V1
12
GND
11 NC
10
SW2
9 V3