Ic Block Diagrams - Sony HCD-MD333 - Hi Fi Cd/minidisc Component Service Manual

HCD-MD333

7-26. IC BLOCK DIAGRAMS

• CD section
IC101 CXA1782BQ
36 35 34 33 32
+
+
+
+
LEVELS
APC
+
–
RF IV AMP1
–
RF IV AMP2
FE BIAS 37
TTL
+
IIL
F 38 –
–
F IV AMP
E 39 –
FZC COMP
+
E IV AMP
EI 40
TE AMP
VEE 41
TEO 42
TZC COMP
LPFI 43
TEI 44
DFCT
ATSC 45 • WINDOW COMP
ATSC
TZC 46
TDFCT 47
DFCT
–
FS4
VC 48
1 2 3
31 30 29 28
–
+
+
+
+ +
+
MIRR
DFCT
• IIL DATA RESISTOR • INPUT SHIFT RESISTOR
• ADDRESS DECODER
• OUTPUT DECODER
TOG1-3 FS1-4 TG1-2 TM1-7 PS1-4
BAL1-3
+ +
–
• TRACKING
• PHASE
HPF COMP LPF COMP
COMPENSATION
–
TM6
TG1
TM5
+
TM4
–
• FCS PHASE
COMPENSATION
TM3
FS1
TM1
TM7
FS2
–
4 5 6 7 8 9 10
– 81 –
IC102 BA6397FP
DRIVE
27 26 25
BUFFER
24 SENS
IIL
TTL 23 C. OUT
DRIVE
DRIVE
BUFFER
BUFFER
22 XRST
TTL
21 DATA
20 XLT
IIL
19 CLK
IC103 CXD2507AQ
64 63 62
18 VCC
SERVO AUTO
FOK 1
SEQUENCER
MON 2
MDP 3
CPU
MDS 4
14 INTERFACE
• ISET 17 ISET
5
LOCK
6
TEST
7
FILO
DIGITAL
8
FILI
–
PLL
16 SL 0
PCO 9
+
VSS 10
AVSS 11
15 SL M
ASYMMETRY
CLTV 12
CORRECTOR
AVDD 13
5
14 SL P RF 14
TM2
15
BIAS
ASYI 16
13 TA O 17
ASYO
–
18
ASYE
19
WDCK
20 21 22
11 12
V CC V CC
DRIVE
DRIVE
BUFFER
BUFFER
REGULATOR
DRIVER MUTE
DRIVE
BUFFER
61 60 59 58 57 56 55 54 53 52
51 DATA
5
XRST
50
SENS
49
SUB CODE
MUTE
PROCESSOR 48
DIGITAL
47 SQCK
4 CLV
46 SQSO
45 EXCK
EFM
44 SBSO
DEMODULATOR
43 SCOR
42 V
SS
3
41 WFCK
40 EMPH
D/A DIGITAL
39 DOUT
INTERFACE OUT
38 C4M
6
37 FSTT
XTSL
36
16K ERROR
35 XTAO
RAM CORRECTOR
34 XTAI
3
33 MNTO
23 24 25 26 27 28 29 30 31 32
– 82 –
DRIVE
BUFFER
DRIVE
BUFFER