Ic Block Diagrams - Aiwa CSD-XD55 Service Manual

CSD-XD55
• WAVEFORMS
– CD BOARD – – TUNER BOARD –
(Mode : PLAY)
1 1
IC701 4 (RF) IC2 w;
0.85±0.2 Vp-p
VOL/DIV : 500m V AC
TIME/DIV : 0.5 µ sec
2 IC701 qd (FE)
1.8V
– MAIN BOARD –
Approx. 100 mVp-p
VOL/DIV : 100m V AC
1
IC802 ua
TIME/DIV : 20 µ sec
IC701 qg (TE)
3
1.8V
Approx. 100 mVp-p
VOL/DIV : 100m V AC
2
IC802 ug
TIME/DIV : 20 µ sec
4
IC701 rk (XOUT)
3.2 Vp-p
16.93 MHz
VOL/DIV : 1 V AC
TIME/DIV : 50 nsec
– TC BOARD –
1 Q301 C
(XOUT)
1.1 Vp-p
19.5 µ sec
75kHz
VOL/DIV : 0.1 V AC
VOL/DIV : 0.5 V AC
TIME/DIV : 10 µ sec
TIME/DIV : 5 µ sec
2
T301
19.5 µ sec
VOL/DIV : 10 V AC
(XT2)
TIME/DIV : 10 µ sec
3.5 Vp-p
32.768kHz
VOL/DIV : 2 V AC
TIME/DIV : 10 µ sec
(X2)
3.2 Vp-p
4.19 MHz
VOL/DIV : 2 V AC
TIME/DIV : 0.1 µ sec
6-19. IC Block Diagram
– CD Board –
IC701 LC78646E-E
(REC)
4 Vp-p
FIN1
+
–
FIN2
+
–
TIN1
+
–
TIN2
40 Vp-p
+
–
REFI
DEFECT
ADAVDD
ADAVSS
JITTC
SLCO
SLCO 1
SLCIST
SLCIST 2
EFMIN
EFMIN 3
RF
RF 4
RFVDD 5
PDO1
RFVSS 6
PDO2
FIN1
FIN1 7
FR
FIN2
FIN2 8 PCKIST
VCEC
TIN1
VVDD
TIN1 9
TIN2
VVSS
10
TIN2
VREF
SBCK/FG
VREF 11
REFI
REFI 12
FE
FE 13
TEC
TEC 14
TE
15
TE
RFMON
RFMON 16
JITTC
JITTC 17
ADAVDD
WRQ
ADAVDD 18
ADAVSS
CL
ADAVSS 19
TDO
CE
20
TDO
DI
DO
CONT1-3
GENERAL PURPOSE
SBCK/CONT6
CONT4,5
34 34
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
MIX AGC EQ PH
BH
LPF
SW
LPF
TBAL
LPF +
–
TBAL
LEVEL SET
MONI
–
CONT
+
RAM
TRACK JUMP
SERVO PROCESSOR
A/D
AUTO ADJUST
JITTER
S/H
SW D/A
DETECT
SLICE LEVEL
DRF
CONTROL
RUPTURE DEFECT
PLL FRAME SYNC
DETECT,PROTECT,INSERT,
EFM DECODE
CLV,CAV
CONTROL
SUBCODE DECODE CRC
16MOUT
XVSS
CLOCK
XIN
GENERATOR
XOUT
MONITOR SIGNAL SELECTOR
XVDD
RAM
COMMAND
ERROR
INTERFACE
CORRECTION
AUDIO CD
EXTERNAL
AUDIO IN
PORTS
INTERPOLATION
MUTE
SERIAL
OUT
8FS
ATTENUATION
DIGITAL FILTER
DEEMPHASIS
AUDIO OUT
1BIT DAC LPF
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
+
–
+
–
RFMON
VREF
DATA
LDD
60
DATA
APC LDS DATACK
59 DATACK
LRSY
58 LRSY
ASDFIN
57 ASDFIN
ASDACK
56 ASDACK
ASLRCK
TDO
55
ASLRCK
16MOUT
FDO
54 16MOUT
SPDO
EFLG
53 EFLG
SLDO
C2F
52 C2F
GPDAC
XVSS
51 XVSS
FSX/16MIN
DRF 50 FSX/16MIN
XIN
49 XIN
XOUT
48 XOUT
XVDD
47 XVDD
RVDD
46
RVDD
RCHO
FSEQ
45 RCHO
RVSS
44 RVSS
LVSS
43 LVSS
V/P
LCHO
42 LCHO
LVDD
41 LVDD
MONI1-5
EFLG
C2F
FSX/16MIN
ASDFIN
ASDACK
ASLRCK
DATA
DATACK
LRSY
LVDD
LVSS
LCHO
RCHO
RVDD
RVSS