Sony HCD-EP515 Service Manual page 26

HCD-EP515
Q Q
• IC Block Diagrams
3 7 6 3 1 5 1 5 0
– CD Board –
IC101 CXD3017Q
60 59 58 57 56 55 54
ERROR
DIGITAL
CORRECTOR
DIGITAL
OUT
PLL
16K
RAM
LRCK 61
D/A EFM
PCMD 62
INTERFACE DEMODULATOR
63
BCK
EMPH 64
XVDD 65
XTAI 66
TIMING
XTAO 67 LOGIC
XVSS 68
AVDD1
69
AOUT1 70
AIN1 71
LOUT1 72
PWM SUBCODE
PWM
AVSS1 73
PROCESSOR
AVSS2 74
LOUT2 75 3rd ORDER
NOISE SHAPER SERVO
INTERFACE
AIN2 76 OVER SAMPLING
DIGITAL FILTER
AOUT2 77
SERVO AUTO
SEQUENCER
AVDD2 78
RMUT
79 SERIAL IN
T E
L 1 3 9 4 2 2 9 6 5 1 3
INTERFACE
LMUT 80
CPU
INTERFACE
1 2 3 4 5 7 8
6
IC102 BA5974FP-E2
28 27 26 25 24 23 22
F R
R
INTERFACE
F
F
INTERFACE
F R
F
R
INTERFACE
R
w w w
F R
1 2 3 4 5 6 7
53 52 51 50 49 48 47 46 45 44 43 42 41
ASYMMETRY
CORRECTOR
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
A/D
CONVERTER
CLOCK
GENERATOR
SERVO DSP PWM GENERATOR
FOCUS FOCUS PWM
SERVO GENERATOR
TRACKING TRACKING
SERVO PWM GENERATOR
SLED SLED PWM
SERVO GENERATOR
DIGITAL
CLV
MIRR, DFCT,
FOK
DETECTOR
9 10 11 12 13 14 15 16 17 18 19 20
21 20 19 18 17 16
MUTE
LEVEL SHIFT
THERMAL
SHUTDOWN
x a o
8 9 10 11 12 13
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40 SE
39 FE
38 VC
XTSL
37
36 TES1
35 TEST
34 VSS
33 FRDR
32 FFDR
31 TRDR
30 TFDR
AC SUM
SRDR
29
28 SFDR
SSTP
27
26 MDP
25 LOCK
24 FOK
23 DFCT
22 MIRR Q Q
3 7 6
21 COUT
15
u 1 6 3
y
14
26 26
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2 4
8 9 9
IC103 CXA2581N-T4
RW/ROM
A
–
–
B
+
+
C
DVC
D
DVC
VCC
DVC
– RW/ROM
VOFST
+
VC
VC
LD 1
EQ
PD 2 APC AMP
EQ ON/OFF
RFAC
EQ IN 3
VCA
RW/ROM
VCC
RFAC
4 SUMMING
AMP VOFST
B
C
–
GND 5
–
A
+
+
D
A B C D
DVC
A
A 6
B
VC
B 7
C
C 8
RW/ROM
D
D 9
RW/ROM
3 1 5 1 5 0 8 9
E 10 GM
–
+
F 11 GM
VC
APC-OFF
RW/ROM
(Hi-Z)
SW 12
RW/ROM
RW/ROM
(H/L)
DVCC 13
B
VOFST
DVC
D
–
–
DVC 14
A
+
+
C
DVC
VC
RW/ROM
RFAC 15
m
c o
.
2
8 9 9
30 DC OFST
29 RFDCI
28
RFDCO
VC
27 VC
26 RFC
25 VFC
24 BST
23 RFG
22 VCC
21 CEI
20 CE
19 TE BAL
2 4 9 8 2 9 9
18 TE
17 FEI
16 FE