Sony HD-XB4K Service Manual page 59

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• IC Block Diagrams – BD Section –
IC101 CXA1992AR
39 38 37 36
VEE
PD2 IV PD1 IV
AMP AMP
FE_BIAS 40
VCC
APC
VEE
F 41 –
LASER POWER CONTROL
+
F IV AMP
VCC
FE AMP
E 42 –
+
E IV AMP
EI 43
VEE
VEE 44
VEE
+
–
TEO 45 +
TRK. GAIN
–
WINDOW COMP.
+ +
– –
E-F BALANCE
LPFI 46 + WINDOW COMP.
+
–
–
TEI 47
T E
– L 1 3 9 4 2 2 9 6 5 1 3
+
ATSC 48
–
+
ATSC
WINDOW
COMP.
49
TZC –
+
DFCT
TZC COMP.
TM1
TDFCT 50
VCC
TG1
51
VC
VEE
VCC
FOCUS
PHASE COMPENSATION
FZC 52 +
–
DFCT
FZC COMP.
FS4
1 2 3 4
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35 34 33 32 31 30 29 28
–
+
RF SUMMING
AMP
VCC
VCC
VEE
+
–
DFCT
+
VEE
–
LEVEL S
VEE
FO. BIAS
WINDOW
VCC IIL
MIRR
COMP. ↓
TTL
FOK
FOH
FOL
TGH
IIL DATA REGISTER
TGL
INPUT SHIFT REGISTER
BALH
ADDRESS DECODER
BALL
SENS SELECTOR
ATSC
OUTPUT DECODER
TZC
FZC
DFCTO
IFB1-6 FS1-4 TG1-2 TM1-7 PS1-4
BAL1-4
TOG1-4
TRACKING
PHASE COMPENSATION
TM4
VCC
TM7
FS1
TM3
FS2
Charge
FSET
up
TG2
VEE
5 6 7 8 9 10 11 12
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8
IC102 BA5941FP
28 27 26
27
26 SENS2
IIL
↓
25 SENS1
TTL
24 C. OUT +
–
23 XRST
22 DATA
Vcc
TTL
↓ 21 XLT
IIL
1 2 3
20 CLK
Q 19 LOCK Q
3 7 6 3
IC103 CXD2519Q
VCC 18 VCC
ISET 17 ISET
80 79 78 77 76 75 74 73 72
VCC VCC
16 SL_O
NC 81
TM6
AVSS 82
AVDD 83
15 SL_M
AOUT1 84
AIN1 85
TM5
–
LOUT1 86
SL_P
14 +
VEE VEE AVSS 87
TM2
XVDD 88
XTAI 89
XTAO 90
XVSS 91
–
13
AVSS 92 +
93
LOUT2
AIN2 94
AOUT2 95
AVDD 96
SERIAL-IN
AVSS 97 INTERFACE
98
NC
NC 99
XRST 100
u 1 6 3
1 2
.
2 4
9 9 8
25 24 23 22 21 20 18
19
NC
+
–
Vcc
LEVEL SHIFT
+
LEVEL SHIFT
–
– +
MUTE Vcc
4 5 6 7 8 9 10 11
1 5 1 5 0 8 9 2 4
71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
–
+
ERROR
CORRECTOR
EFM
DEMODURATOR
–
+
16K RAM
OVER SAMPLING SUB CODE
DIGITAL FILTER PROCESSOR
TIMING
m
SERVO
CPU
LOGIC
AUTO
INTERFACE
SEQUENCER
c o
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
3 4 5 6 7 8 9
– 84 –
2
9 9
17 16 15
+ – + –
LEVEL SHIFT
LEVEL SHIFT
+ – – + + –
12 13 14
9 8 2 9 9
50 LRCK
49 WDCK
48 ASYE
47 ASYO
ASYMMETRY
46 ASYI
CORRECTOR
45 BIAS
44 RF
43 AVDD
D / A
INTERFACE 42 CLTV
DIGITAL
41 AVSS
PLL
40 FILI
DIGITAL OUT 39 FILO
38 PCO
37 VCTL
OSC
36 V16M
35 VCKI
CLOCK
34 VPCO1
GENERATOR
33
VPCO2
32 TES1
DIGITAL CLV
31 TES0