Ic Block Diagrams - Sony HCD-GX25 Service Manual

HCD-GX25/RG220

5-31. IC BLOCK DIAGRAMS

IC721 LC78646E-E (BD Board)
80 79 78 77 76 75 74 73 72 71
FIN1
+
–
MIX
FIN2
+
–
LPF
TIN1
+
TBAL
–
TIN2
+
TBAL
–
LEVEL SET
REFI
RAM
DEFECT
SERVO PROCESSOR
A/D
ADAVDD
ADAVSS
JITTC
JITTER
DETECT
SLCO
SLCO 1
SLCIST
SLICE LEVEL
SLCIST 2
EFMIN CONTROL
EFMIN 3
RF
4
RF
RFVDD 5
PDO1
RFVSS 6
PDO2
FIN1
FIN1 7
FR
FIN2 PLL
FIN2 8 PCKIST
VCEC
TIN1
VVDD
9
TIN1
TIN2 VVSS
CLV,CAV
TIN2 10
VREF CONTROL
SBCK/FG
VREF 11
REFI
REFI 12
FE
FE 13
16MOUT
TEC
TEC 14
XVSS
TE
TE 15 CLOCK
XIN
RFMON
GENERATOR
RFMON 16 XOUT
JITTC
XVDD
JITTC 17
ADAVDD
18 WRQ
ADAVDD
ADAVSS
CL
ADAVSS 19
TDO
CE COMMAND
TDO 20
INTERFACE
DI
DO
CONT1-3
GENERAL PURPOSE
SBCK/CONT6
PORTS
CONT4,5
8FS
DIGITAL FILTER
1BIT DAC
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
70 69 68 67 66 65 64 63 62 61
EQ AGC PH
BH
SW
LPF +
–
LPF + +
–
–
RFMON
MONI
–
+ CONT
VREF
DATA
LDD
TRACK JUMP APC LDS
DATACK
LRSY
ASDFIN
AUTO ADJUST
ASDACK
ASLRCK
TDO
FDO 16MOUT
S/H
SW D/A SPDO
EFLG
SLDO
C2F
GPDAC
XVSS
DRF
FSX/16MIN
DRF
XIN
XOUT
RUPTURE DEFECT
XVDD
RVDD
FRAME SYNC
RCHO
FSEQ
DETECT,PROTECT,INSERT,
RVSS
EFM DECODE
LVSS
V/P
LCHO
LVDD
SUBCODE DECODE CRC
MONI1-5
MONITOR SIGNAL SELECTOR
RAM
EFLG
ERROR
CORRECTION C2F
AUDIO CD
FSX/16MIN
ASDFIN
ASDACK
EXTERNAL
ASLRCK
AUDIO IN
INTERPOLATION
DATA
MUTE
DATACK
SERIAL
OUT LRSY
ATTENUATION
DEEMPHASIS
AUDIO OUT
LVDD
LVSS
LCHO
LPF
RCHO
RVDD
RVSS
39 40
IC701, 712 BA6956AN (DRIVER Board)
TSD
1 2 3 4
IC301 M61529FP (MAIN Board)
60 DATA
59 DATACK
58 LRSY
57 ASDFIN
56
ASDACK
42 41 40 39 38 37
55 ASLRCK
54 16MOUT
53 EFLG
52
C2F
51 XVSS
50 FSX/16MIN
49 XIN INPUT
ATT
48 XOUT
47
XVDD
46 RVDD
45 RCHO
44 RVSS
43 LVSS
42 LCHO
41 LVDD
VOCAL
CUT
EXTERNAL INPUT
INPUT ATT ATT
REF
1 2 3 4 5 6
54 54
CONTROL LOGIC
5 6 7 8 9
36 35 34 33 32 31 30 29 28
TONE CONTROL
ELECTRICAL
(BASS/MID/TREBLE)
VOLUME
TONE ATT
+
SURROUND
OR
DPL BUFFER +
+
TONE ATT
ELECTRICAL
TONE CONTROL
VOLUME
(BASS/MID/TREBLE)
7 8 9 10 11 12 13 14 15
27 26 25 24 23 22
BASS
BOOST
+
MCU
INTERFACE
BASS
BOOST
16 17 18 19 20 21