Sony PMC-MD55 Service Manual page 173

IC121 CXD2654R
100 99 98 97 96 95 94 93
SPINDLE
SERVO
MNT0 1
MNT1 2
EACH
MONITOR
BLOCK
CONTROL
MNT2 3
MNT3 4
DECODER
5
SWDT
SCLK 6
EACH
CPU I/F
XLAT 7
BLOCK
SRDT 8
SENS 9
XRST 10
11
SQSY
SUBCODE
PROCESSOR
DQSY 12
13
RECP
XINT 14
TX 15
OSCI 16
CLOCK EACH
OSCO 17
GENERATOR BLOCK
XTSL 18
19
DIN0
DIN1 20
21
DOUT
DATAI 22
LRCKI 23
XBCKI 24
ADDT 25
26 27 28 29 30
IC152 BH6511FS-E2
32 31 30 29 28
AMP
INTERFACE
CHARGE
PREDRIVE
PUMP.
OSC
PREDRIVE
AMP
INTERFACE
1 2 3 4 5
92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
PWM
GENERATOR
ADIP
SERVO
DSP
SHOCK RESISTANT
MEMORY CONTROLLER
DIGITAL SAMPLING
AUDIO RATE
I/F CONVERTER
ATRAC
ENCODER/DECODER
ADDRESS/DATA BUS A00 - A11, D0 - D3
31 32 33 34 35 36 37 38 39 40 41
27 26 25 24 23 22
AMP AMP
AMP AMP
6 7 8 9 10 11
A/D
CONVERTER
ANALOG
MUX
COMP
42 43 44 45 46 47 48 49 50
21 20 19 18 17
AMP V
INTERFACE DD
PREDRIVE
PREDRIVE
AMP
INTERFACE PSB
12 13 14 15 16
– 103 –
75 TE
74 SE
73 AVSS
72 ADRB
71 ADRT
70 AVDD
69 ADIO
68 VC
67 AUX1
66 FE
65 ABCD
64 BOTM
63 PEAK
62 CLTV
61 FILO
60 FILI
59 PCO
58 AVSS
57 RFI
56 BIAS
55 AVDD
54 ASYI
53 ASYO
52 MVCI
51 D3