Ic Block Diagram - Sony HCD-GN660 Service Manual

HCD-GN660/GN770/GX9000

7-25. IC Block Diagram

– DRIVER Board –
IC701, 712 BA6956AN
TSD
CONTROL LOGIC
1 2 3 4 5 6 7 8 9
– BD Board –
IC251 BA5947FM
CH4OUTR 19 D D 18 CH1PUTF
CH4OUTF 20 D D 17 CH1OUTR
CH3OUTF 21 D D 16 CH2OUTF
19k
PIN26
22 6.5k 15 CH2OUTR
CH3OUTR D D
10k
Vref
POW POW
VCC VCC
23 14 POWVCC
POWVCC
(ch3, 4) (ch1, 2)
50k 50k
50k 50k
24 POW
MUTE 13 CNF4
VCC
50k 50k
25 12 GND
GND
Vref
GND 26 11 C-M
10 C-P
PREGND 27
CT 28 9 VG
29 8 CH2RIN
CH3RIN
CH3FIN 30 7 CH2FIN
100k
CH4IN 31 6 CH1RIN
PIN3
CH4CAPA 32 5 CH1FIN
10k
50k
SW
OUTVREF 33 4 SW
3
DPOUT 34 OPIN+
Pre
TREVCC 35 2 OPIN-
Vcc
36 1 NC
NC
HCD-GN660/GN770/GX9000
– BD Board –
IC301 TC94A34FG-002
32 31 30 29
CS/RAS/ADO2 33
AD15/CAS/PD12 34
SDO3/OE 35
36
PO11/BUCK/AD14
PO10/CCE/AD13 37
PO9/AD12 38
39
PO08/AD11
VDDM 40
SRMSTB 41
42
VDDT
AD10 43
AD9 44
AD8 45
PO07/AD7 46
PO06/AD6 47
48
PO05/AD5
49 50 51 52
50 50
28 27 26 25 24 23 22 21 20 19 18 17
Bus
Switch
Timing
VC0
Generator
53 54 55 56 57 58 59 60 61 62 63 64
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