Sony HCD-LX9AV Service Manual page 50

• IC Block Diagrams
– BD Board –
IC101 CXD2587Q
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
65
XVDD
XTAI 66
TIMING
67 LOGIC
XTAO
XVSS
68
AVDD1 69
AOUT1 70
AIN1 71
LOUT1 72
SUBCODE
PWM PWM
AVSS1 73
PROCESSOR
AVSS2 74
LOUT2 75
3rd ORDER
NOISE SHAPER SERVO
INTERFACE
OVER SAMPLING
AIN2 76
DIGITAL FILTER
AOUT2 77
SERVO AUTO
SEQUENCER
AVDD2 78
RMUT 79 SERIAL IN
INTERFACE
LMUT 80
CPU
INTERFACE
1 2 3 4 5 6 7 8
52 51 50 49 48 47 46 45 44 43 42 41
ASYMMETRY
CORRECTION
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
IC103 CXA2568M-T6
HOLD 1
APC PD AMP
+
40 SE
–
39 FE
VEE
VC
38
+
–
VEE
AGC VTH 2
LD 3
–
+
PD 4
XTSL
37
36 TES1
35 TEST
34 VSS
33 FRDR
32 FFDR
31 TRDR
TFDR
30
A 5
29 SRDR
28 SFDR
B 6
27 SSTP
26 MDP
C 7
25 LOCK
24 FOK
D 8
23 DFCT
VC
22 MIRR
VEE 9 VEE
COUT
21 VC
+
–
F 10
E 11
–
+
VC
VC BUFFER
+
VC 12
–
VC
50 50
VCC
VCC 24 VCC
23 LC/PD
APC LD AMP
22 LD ON
+
–
+
–
21 HOLD SW
20 AGC CONT
50µA
VCC
19 RF BOT
VC
+
–
+
+
–
–
VC
+
–
VEE
18 RFTC
RF SUMMING AMP RF EQ AMP
17 RF I
+
+
16 RF O
VC VC
– –
15 RFE
FOCUS ERROR AMP
+
14 FE
–
VC
–
13 TE
+
TRACKING
ERROR AMP
VC
VC
VEE
VCC