Ic Block Diagrams - Sony STR-K402 Service Manual

STR-K402

3-15. IC BLOCK DIAGRAMS

IC1015 NJM2279D (VIDEO BOARD)
14 13 12 11 10 9 8
AMP
AMP
1 2 3 4 5 6 7
IC501 STK350-230 (MAIN BOARD)
TR3 R1
TR1
INPUT
1 TR2
TR4
R2
NF
2
3
4
-VEOUT 5
R6
TR7
+VEOUT 6
TR6
R4
TR5
7
V SS
R3
D4 D3
GND 8
D1 D2
R5 R8 R7
V CC 9
R9 TR8
IC1008 AK4527 (DIGITAL BOARD)
44 43 42 41 40 39 38 37 36 35 34
33 DZF2
32 RIN+
31 RIN–
INPUT
SDOS 1
CIRCUIT
30 LIN+
I2C 2
29 LIN–
SMUTE 3
28 ROUT1
BICK 4
27 LOUT1
LRCK 5
OUTPUT 26 ROUT2
AUDIO
SDTI1 6
CIRCUIT
INTERFACE 25 LOUT2
SDTI2 7
24 ROUT3
SDTI3 8
23 LOUT3
SDTO 9
FORMAT
DAUX 10
CONVERTER
DFS 11
12 13 14 15 16 17 18 19 20 21 22
IC701 uPC2581V (MAIN BOARD)
IC702 uPC2581V (MAIN BOARD)
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
20
IC950 NJM2103D (STANDBY BOARD)
CR 1
– +
VSC 2 VREF
+ –
OUTC
3
GND
4
Q
R S
+ – + –
IC1004 LC89055W-RA8 (DIGITAL BOARD)
DISEL 1
DOUT 2
INPUT
DIN0 3
DIN1 4
DIN2 5
DGND 6
DVDD
7
R
8
PLL
VIN 9
LPF 10
AVDD 11
MICRO COMPUTER
AGND 12
INTERFACE
CKOUT 13
TIMING
DATA
BCK 14
RECOVER
DGND 15
DATAO 16 LOCK
DETECTION
XSTATE 17
DGND 18
FS
CALCULATION
DVDD 19
XMCK 20
X'TALL
XOUT 21
Cbit Pa, Pb
XIN 22
DETECTION DETECTION
ENPHA 23
24
AUDIO
20
8 RESET
7 VSA
6
VSB/SESIN
V+
5
48 XMODE
47 CKSEL1
46 CKSEL0
45 DOSEL1
44 DOSEL0
43 DVDD
DGND
42
MODE1
41
40 MODE0
39 XSEL
38 CL
37 CE
36 DI
35 DO
34 ERROR
33 BPSYNC
32 AUTO
31 DGND
30 DVDD
29 VF/P3/C3
28 F2/P2/C2
27 F1/P1/C1
26 F0/P0/C0
25
CSFLAG