Ic Block Diagrams - Sony HCD-GX750 Service Manual

HCD-GX750/RG551/RX550
Q Q
3 7 6 3 1 5 1 5 0

5-29. IC BLOCK DIAGRAMS

IC301 TC94A34FG-002 (BD81A BOARD)
32 31 30 29 28 27
RAS 33
CAS 34
OE 35
BUCK 36
CCE 37
38
AD12
AD11 39
40
VDDM
T E
L 1 3 9 4 2 2 9 6 5 1 3
SRMSTB 41
42
VDDT
AD10 43
AD9 44
Bus
Switch
45
AD8
AD7 46
47
AD6
AD5 48
49 50 51 52 53 54
w w w
26 25 24 23 22 21 20 19 18 17
LRCKIA
16
15 BCKIA
14 SDI0
13 LRCKO
12 BCKO
11
SDO0
10 VSS
9
VDDT
8 MIACK
7 MICK
6 MIDIO
5 MILP
4
MICS
3 STANBY
2 RESET
1 VDDP
Timing
VC0
Generator
55 56 57 58 59 60 61 62 63 64
x a o
y
. i
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8
CH4OUTR
CH4OUTF
CH3OUTF
CH3OUTR
POWVCC
MUTE
GND
GND
PREGND
CT
CH3RIN
CH3FIN
CH4IN
CH4CAPA
OUTVREF
Q Q
3 7 6 3
DPOUT
TREVCC
NC
u 1 6 3
.
52 52
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2 4
9 9 8
IC251 BA5947FM (BD81A BOARD)
19 D D 18 CH1PUTF
20 CH1OUTR
D D 17
21 D D 16 CH2OUTF
19k
PIN26
6.5k
22 D D 15 CH2OUTR
10k
Vref
POW POW
VCC
23 VCC POWVCC
14
(ch3, 4) (ch1, 2)
50k 50k
50k 50k
24 POW
13 CNF4
VCC
50k 50k
25 12 GND
Vref
26 C-M
11
10 C-P
27
28 9 VG
29 8 CH2RIN
30
7 CH2FIN
100k
31 6 CH1RIN
PIN3
5
32 CH1FIN
10k
50k
SW
33 4 SW
1 5 1 5 0 8 9 2 4
3
34 OPIN+
Pre
35 2 OPIN-
Vcc
36 NC
1
IC701 BA6956AN (DRIVER BOARD)
IC712 BA6956AN (DRIVER BOARD)
TSD
CONTROL LOGIC
1 2 3 4 5 6 7 8 9
m
c o
2
9 9
9 8 2 9 9