Sony HCD-V808 Service Manual page 46

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• IC Block Diagrams
– BD Section –
IC101 CXD2545Q
100 99
SRON 1
SLED PWM SLED
SERVO
SRDR 2 GENERATOR
SFON 3
TFDR 4
TRON 5
TRACKING PWM TRACKING
GENERATOR SERVO
TRDR 6
TFON
7
FFDR 8
FRON 9
FOCUS PWM FOCUS
GENERATOR SERVO
FRDR 10
FFON 11
SERVO DSP
PWM GENERATOR
12
VCO0
VCO1 13
TEST 14
DVSS 15
MIRR
TES2 16 DFCT
FOK DETECTOR
17
TES3
PDO 18
T E
L 1 3 9 4 2 2 9 6 5 1 3 3
VPCO 19
VCKI 20
AVDD 21 

IGEN 22
A/D
AVSS 23
CONVERTER 4
SWITCH
ADIO 24
&
RFC 25
BUFFER
26 27 28 29 30 31
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CPU CPU
INTERFACE INTERFACE
SERVO
AUTO
SEQUENCER
SERVO
MICRO PROGRAM
INTERFACE
CLV
PROCESSOR
ADDRESS CPU
32K RAM
GENERATOR INTERFACE
NOISE
SHAPER
DIGITAL
PRIORITY CPU
PROCESSOR
INTERFACE ENCODER
18-TIMES
OVER SAMPLING
FILTER
ERROR CPU
RESISTER
CORRECTOR INTERFACE
TIMING CPU
GENERATOR 2 INTERFACE
DIGITAL
CPU EFM
PLL

DEMODULATOR INTERFACE
VARI-PITCH

DOUBLE SPEED
ASYMMETRY CPU
MUX
CORRECTION INTERFACE
32 33 34 35 36 37 38 39 40 41 42
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IC103 CXA1821M-T6
LD 1
81 80 79 78 77 76
PD 2
SUBCODE SUBCODE
75 SBSO
Q P-W
PROCESSOR PROCESSOR
A 3
B 4
SCOR
74
TIMING
C 5
GENERATOR 1
73 WFCK
72 EMPH
SYNC
D 6
D/A
PROTECTOR
VEE 7
71 D OUT
PEAK DIGITAL
DETECTOR OUT
70 MD2
F 8
69 C16M
68 C4M
Q Q
67
3 FSTO 7 6 3
CLOCK
66 FSTI E 9
GENERATOR
65 DVSS
64 XTSL
63 XTAO
EI 10
62 XTAI
SERIAL 61 DA01
PARALLEL | |
PROCESSOR 51 DA11
43 44 45 46 — 50
– CD MOTOR Section –
IC701 M54641L
VCC 1
OUT2 2
IN1 3
4
GND
u 1 6 3
.
2 4
9 9 8
VCC
+
+
–
–
APC LD AMP
VREF
VEE
VEE RF EQ AMP
– –
+ +
VC
VC
RF SUMMING AMP
–
+
FOCUS ERROR AMP
VEE
TRACKING ERROR AMP
VC
VC
VC
+
–
–
+
VC
1 5 1 5 0 8 9 2 4
VC BUFFER
+
VC
+ –
VCC
–
VEE
IC801 BA6286N
GND
RIN
REG
VREF
8 VCC
OUT2
INPUT
AMP.
RNF
POWER AMP.
CONTROL GND
INPUT 7 OUT1 OUT1
m
AMP.
VM
POWER AMP.
6 IN2
VCC
5 REFERENCE
FIN
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2
9 9
VCC 20 VCC
LD ON
19
18 LC/PD
17 RFE
16 RFO
15 FE
14 FE BIAS
13 TE
VC
9 8 2 9 9
12 VC
EO
11
POWER
1
SAVE
2
3
4
5
TSD
CONTROL
6
LOGIC
7
8
9
10