6-25.Printed Wiring Board - Audio Section - Sony HCD-S300 Service Manual

6-36. IC BLOCK DIAGRAMS
• DVD Board
IC005, 404 NJM2370U33
C 1
OUT
BANDGAP
REFERENCE
GND 2
IC202 MB91101APFV
100 99 98 97 96
CS1L/PB5/DREQ2 1
2
CS1H/PB6/DACK2
DW1/PB7 3
Vcc3 4
CLK/PA6 5
6
CS5/PA5
CS4/PA4 7
CS3/PA3/EOP1 8
9
CS2/PA2
CS1/PA1 10
CS0 11
NMI 12
HST 13
RST 14
Vss 15
16
MD0
MD1 17
MD2 18
19
RDY/P80
BGRNT/P81 20
BRQ/P82 21
RD 22
WR0 23
WR1/P85 24
D16/P20 25
26 27
5 V
IN
4 V
OUT
THERMAL
PROTECTION
3 NOISE
BYPASS
95 94 93 92 91 90 89 88
BUS
CONTROLLER
28 29 30 31 32 33 34 35 36 37 38 39
87 86 85 84 83 82 81 80 79 78 77 76
DRAM
CONTROLLER
40 41 42 43 44 45 46 47 48 49 50
75 AN3
74 AN2
73 AN1
72 AN0
71 AVss/AVRL
70 AVRH
69 AVcc
68 A24/EOP0
67 A23/P67
66 A22/P66
65 Vss
64 A21/P65
63 A20/P64
62 A19/P63
61 A18/P62
60 A17/P61
59 A16/P60
58 A15
57 A14
56 A13
55 A12
54 A11
53 A10
52 A09
51 A08
63