Sony STR-DB900 Service Manual page 35

IC301, IC308, IC313, IC605 CXD9730Q
80
1
OUTR2+
2
VDDR2+
3
VDDR2–
4
OUTR2–
5
VSSR2–
6
VSSR1–
7
OUTR1–
8
VDDR1–
9
VDDR1+
10
OUTR1+
VSSR1+ 11
VWELR 12
PWM
VWELL 13
/THROUGH
VSSL2+
14
OUTL2+ 15
VDDL2+ 16
VDDL2– 17
OUTL2– 18
VSSL2– 19
VSSL1– 20
OUTL1– 21
VDDL1– 22
VDDL1+
23
OUTL1+ 24
25 26 27 28
IC327 uPC1237HA
OVER
LOAD DET
OFFSET DET
LATCH
AUTORESET
AC OFF
DET
1 2 3 4
79 78 77 76 75 74 73 72 71 70
CLOCK
GENERATOR
(SECONDARY)
LINER
∆∑
INTERPOLATOR
(2 TIMES)
29 30 31
V ON
CC
F/F
MUTE
V
CC
6
5 7 8
69 68 67 66 65
CLOCK
GENERATOR
(PRIMARY)
GAIN RATE
CONTROL CONVERTER
32 33 34 35
STR-DB900
XFSIIN
64 XFSIIN
63 CXWCK
62 EXBCK
S g P
61 EXDATAR
60 EXDATAL
59 EXIOSEL
58 BFVDD
CKCTL2
57 CKCTL2
CKCTL1
56 CKCTL1
55 TEST2
54 TEST1
53 DSDCKIO
52 DSDCKSEL2
51 DSDCKSEL1
50 DSDL
DOWN
49 DSDR
SAMPLING
48 DSD64FS
FILTER
47 DSD128FS
FSII
46 FSII
45 LRCK
S g P
44 BCK
43 DATA
MCKSEL SYNC
42 SYNC
SERIAL INIT/
41 INIT
CONTROL MUTE
36 37 38 39 40
35