Read Sony HCD-CQ1 Service Manual online
34
34
HCD-CQ1
6-14. IC Block Diagrams
– BD Board –
IC101 CXD3017Q
1
2
3
10 11 12 13 14 15 16 17 18
19
20
60
59 58 57
56
55
54
52
51
50
49
48
47
46 45 44
53
21
39
40
41
42
43
22
23
79
24
26
25
28
27
29
30
31
32
35
36
37
38
33
34
80
62
61
77
78
78
75
76
76
73
74
72
71
70
69
66
65
64
63
68
67
4
5
6
7
8
9
D/A
Interface
Digital
PLL
CPU
Interface
Digital
OUT
Serial-In
Interface
Over Sampling
Digital Filter
Timing
Logic
PWM
3rd-Order
Noise Shaper
PWM
Asymmetry
Corrector
A/D
Converter
OP Amp
Analog SW
Clock
Generator
Digital
CLV
MIRR
DFCT
FOK
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SELED
SERVO
EFM
Demodurator
Servo Auto
Sequencer
SERVO
Interface
Error
Corrector
16K
RAM
Sub Code
Processor
PWM
GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM
GENERATOR
SLED PWM
GENERATOR
SQSO
SQCK
XRST
DATA
XLAT
CLOK
SENS
SCLK
VDD
SPOA
SPOB
XLON
XPCK
SCOR
COUT
MIRR
DFCT
FOK
LOCK
MDP
SSTP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
TEST
TES1
VC
FE
SE
TE
CE
RFDC
ADIO
IGEN
ASYO
ASYI
BIAS
RFAC
CLTV
FILO
FILI
PCO
DOUT
XTAI
XTAO
AVDD1
AOUT1
AIN1
LOUT1
LOUT2
AIN2
AOUT2
LMUT
XVSS
RMUT
SYSM
ATSK
WFCK
XUGF
GFS
C2PO
VSS
XTSL
AVDD
AVSS
AVSS
AVDD
VSS
VDD
LRCK
PCMD
BCK
EMPH
XVDD
AVSS1
AVSS2
AVDD2
ROM/RW
ROM/RW
RF OFF AT VCC
VOFST
VOFST
DVC
VC
VC
VC
ROM/RW
VC
VC
30
29
29
28
+
–
+
–
VC
VCC
DVC
27
26
25
24
25
24
ROM/RW
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
ROM/RW
VC
ROM/RW
DVC
+
–
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
7
8
9
4
RFAC
SUMMING
AMP
ROM/RW
DVC OR Hi-Z
SLEEP, APC OFF
VOFST
VC
ROM/RW
+
–
10
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
B
C
D
AC SUM
E
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCI
RFDCO
VC
RFC
VFC
BST
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
VC
+
–
VC
+
–
11
GM
F
GM
ROM/RW
(L/H)
VOFST
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
CCB
INTERF
ACE
1
2
3
4
5
6
7
8
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
15
14
13
12
11
10
9
DI
CE
VSS
TEST
LOUT
LBASS2
LBASS1
LTRE
LIN
LSELO
L4
L3
L2
L1
NC
CL
VDD
VREF
RVREF
LVREF
NC
ROUT
RBASS2
RBASS1
RTRE
RIN
RSELO
R4
R3
R2
R1
NC
IC103 CXA2647N-T4
– CONTROL Board –
IC251 BA6956AN
– POWER Board –
IC301 LC75342
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