Ic Block Diagram - Sony HCD-NXM1 Service Manual

HCD-CP555/NXM1
Q Q
3 7 6 3 1 5 1 5 0

7-20. IC Block Diagram

– RELAY Board –
IC701, 711 BA6956AN
TSD
CONTROL LOGIC
1 2 3 4 5 6 7 8 9
– BD Board –
IC251 BA5947FM
CH4OUTR 19 D D 18 CH1PUTF
CH1OUTR
CH4OUTF 20 D D 17
21 D D 16 CH2OUTF
CH3OUTF
19k
PIN26
6.5k
CH3OUTR 22 D D 15 CH2OUTR
10k
T E
Vref L 1 3 9 4 2 2 9 6 5 1 3
POW POW
VCC VCC
POWVCC 23 14 POWVCC
(ch3, 4) (ch1, 2)
50k 50k
50k 50k
24 POW 13 CNF4
MUTE
VCC
50k 50k
25 12
GND GND
Vref
GND 26 11 C-M
PREGND 10 C-P
27
28 9
CT VG
29 8 CH2RIN
CH3RIN
CH3FIN 30 7 CH2FIN
100k
6 CH1RIN
CH4IN 31
PIN3
32 5 CH1FIN
CH4CAPA
10k
50k
SW
OUTVREF 33 4 SW
34 3 OPIN+
DPOUT
Pre
TREVCC 35 2 OPIN-
Vcc
36 NC
NC 1
w w w
HCD-CP555/NXM1
x a o
y
. i
http://www.xiaoyu163.com
8
– BD Board –
IC301 TC94A34FG-002
32 31
33
CS/RAS/ADO2
AD15/CAS/PD12 34
SDO3/OE 35
PO11/BUCK/AD14 36
37
PO10/CCE/AD13
PO9/AD12 38
Q Q
3 7 6 3
PO08/AD11 39
VDDM 40
SRMSTB 41
42
VDDT
AD10 43
AD9 44
AD8 45
PO07/AD7 46
47
PO06/AD6
48
PO05/AD5
u 1 6 3
49 50
.
40 40
http://www.xiaoyu163.com
9 2 4 9 8
30 29 28 27 26 25 24 23 22 21 20 19
1 5 1 5 0 8 9 2 4
Bus
Switch
Timing
m
VC0
Generator
c o
51 52 53 54 55 56 57 58 59 60 61 62
2 9 9
18 17
16 LRCKIA
15
BCKIA
14 SDI0
13 LRCKO
12 BCKO
11
SDO0
9 8 2 9 9
10 VSS
9 VDDT
8 MIACK
7
MICK
6 MIDIO
5 MILP
4 MICS
3 STANBY
2 RESET
1
VDDP
63 64