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
1 2 3 4 5 6 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
20 X'TAL1
XMCK
TIMING
XOUT 21
XIN 22
EMPHA 23
AUDIO
24
5 4 3 2 1
48
XMODE
47 CKSEL1
46 CKSEL0
45 DOSEL1
44 DOSEL0
43 DVDD
42 DGND
INPUT
41 MODE1
MODE0
40
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
CONVERTER
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
SW5 2
DVD 3
SW3 4
V2 5
6
SW4
NC 7
VEE 8
-V
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-
BCLK DATT DAC LPF 28 ROUT1
LRLK
DATT DAC LPF 27 LOUT1
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
+V
6dB 75Ω
AMP DRIVER
S5
S6
S3
S1
S2 S4
S7
16 VCC
15 V1.OUT
14
SW1
13
V1
12
GND
11 NC
10 SW2
9
V3