Sony HCD-GX8000 Service Manual page 48

HCD-GX8000/RG77
Q Q
3 7 6 3 1 5 1 5 0
• IC Block Diagrams
– BD Board –
IC101 CXD3017Q
60 59 58 57 56 55 54
53
ERROR
DIGITAL
CORRECTOR
DIGITAL
OUT
PLL
16K
RAM
LRCK 61
D/A EFM
PCMD
62
INTERFACE DEMODULATOR
BCK 63
EMPH 64
XVDD 65
XTAI 66
TIMING
LOGIC
XTAO 67
XVSS 68
AVDD1 69
AOUT1 70
AIN1 71
LOUT1 72
PWM PWM SUBCODE
AVSS1 73
PROCESSOR
AVSS2 74
LOUT2 75
3rd ORDER
NOISE SHAPER SERVO
INTERFACE
OVER SAMPLING
AIN2 76
T E
DIGITAL FILTER L 1 3 9 4 2 2 9 6 5 1 3
AOUT2 77
SERVO AUTO
SEQUENCER
AVDD2 78
RMUT 79
SERIAL IN
INTERFACE
LMUT 80
CPU
INTERFACE
1 2 3 4 5 6 7 8
IC102 BA5974FM-E2
28 27 26 25 24 23 22
F R
R
INTERFACE
F
F
INTERFACE
w w w
F R
F
R
INTERFACE
R
F R
1 2 3 4 5 6 7
52 51 49 48 47 45 44 43 42 41
50 46
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 15
MUTE
LEVEL SHIFT
THERMAL
SHUTDOWN
x a o
. i
8 9 10 11 12 13 14
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IC103 CXA2581N-T4
40 SE
39 FE
VC
38
DVC
–
VOFST
+
VC
VC
LD 1
PD 2 APC AMP
37 XTSL
36 TES1
35 TEST
34 VSS
EQ IN 3
33 FRDR
32 FFDR
RFAC
TRDR
31
AC SUM 4 SUMMING
30 TFDR
AMP
29 SRDR
28 SFDR
GND 5
27 SSTP
A B C D
A
MDP A 6
26
B
B 7
25 LOCK
C
C 8
Q Q
D
3 7 6
D 9
24 FOK
23 DFCT
22 MIRR
E 10 GM
COUT
21
F 11 GM
APC-OFF
(Hi-Z)
SW 12
RW/ROM
(H/L)
DVCC 13
B
DVC
D
DVC 14 A
C
RFAC 15
u 1 6 3
y
48 48
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2 4
8 9 9
– DRIVER Board –
IC701 BA6956AN
RW/ROM
30 DC OFST
29 RFDCI
A
–
–
B
+
28 RFDCO
+
C
DVC
D
DVC
VCC
1 2
VC
RW/ROM
27 VC
26 RFC
EQ 25 VFC
– PANEL Board –
24 BST
IC602 BA3830F-E2
EQ ON/OFF
RFAC
23 RFG
VCA
RW/ROM
VCC 22 VCC REFERENCE
R02 1
VOFST
B 21 CEI
REFERENCE
R01 2
C
–
–
A
+
20 CE
+
LINE NF 3
D
LINE IN 4
DVC
VC
RW/ROM
3 1 5 1 5 0 8 9
19 TE BAL
RW/ROM
REC NF 5
REC IN 6
–
18 TE
RESET C 7
+
BIAS C 8
GND
9
VC
RW/ROM
RW/ROM
17
FEI
VOFST
–
–
+
16 FE
+
DVC
VC
RW/ROM
m
c o
.
2
8 9 9
TSD
CONTROL LOGIC
3 4 5 6 7 8 9
RESET
RESET 18
CURRENT
CURRENT
17 F01
16 F02
BAND
–
15 F03
PASS
+
14 F04
FILTER
13 F05
DET
12 F06
2 4 9 8 2 9 9
–
11 REC LEVEL
+
10 VCC