Aiwa CX-JN3 Service Manual page 44

CX-JN3
• Waveforms
– BD Board –
– MAIN Board –
1 IC721 4 (RF) (CD Play Mode) qa L311 6 , 7 (REC Mode)
1.3 Vp-p
2 IC721 qd (TE) (CD Play Mode) qs L311 5 (REC Mode)
Approx.
180 mVp-p
qd Q310 Collector (REC Mode)
3 IC721 qg (TE) (CD Play Mode)
Applox.
150 mVp-p
4 IC721 rk (XOUT)
4 Vp-p
58 ns
– PANEL Board –
qf IC901 qd (XT2)
28 Vp-p
19 µ s
30.6 µ s
qg IC901 qh (CF2)
50 Vp-p
19 µ s
116 ns
15 Vp-p
19 µ s
• IC Block Diagrams
– BD Board –
IC721 LC78646E-E
80 79
3.3 Vp-p
FIN1
+
–
FIN2
+
–
TIN1
+
TBAL
–
TIN2
+
TBAL
–
LEVEL SET
REFI
1 Vp-p
DEFECT
SERVO PROCESSOR
A/D
ADAVDD
ADAVSS
JITTC
JITTER
DETECT
SLCO
SLCO 1
SLCIST
SLICE LEVEL
SLCIST 2
EFMIN CONTROL
EFMIN 3
RF
RF 4
5
RFVDD
PDO1
RFVSS 6
PDO2
FIN1
FIN1 7
FR
FIN2 PLL
FIN2 8 PCKIST
VCEC
TIN1
VVDD
TIN1 9
TIN2
VVSS
CLV,CAV
10
TIN2
VREF
CONTROL
SBCK/FG
VREF 11
REFI
REFI 12
FE
FE 13
16MOUT
TEC
TEC 14
XVSS
TE
CLOCK
TE 15
XIN
RFMON
GENERATOR
RFMON 16 XOUT
JITTC
XVDD
JITTC 17
ADAVDD
ADAVDD 18 WRQ
ADAVSS
CL
19
ADAVSS
TDO
COMMAND
CE
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
44 44
78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
MIX EQ AGC PH
BH
LPF
SW +
LPF
–
LPF + +
–
–
RFMON
MONI
–
CONT
+
VREF
RAM
LDD
TRACK JUMP APC LDS
AUTO ADJUST
TDO
FDO
S/H
SW D/A SPDO
SLDO
GPDAC
DRF
DRF
RUPTURE DEFECT
FRAME SYNC
FSEQ
DETECT,PROTECT,INSERT,
EFM DECODE
V/P
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
SERIAL DATACK
OUT
LRSY
ATTENUATION
DEEMPHASIS
AUDIO OUT
LVDD
LVSS
LCHO
LPF
RCHO
RVDD
RVSS
39 40
DATA
60
DATA
DATACK
59 DATACK
LRSY
58 LRSY
ASDFIN
57 ASDFIN
ASDACK
56 ASDACK
ASLRCK
55
ASLRCK
16MOUT
54 16MOUT
EFLG
53 EFLG
C2F
52 C2F
XVSS
51 XVSS
FSX/16MIN
50 FSX/16MIN
XIN
49 XIN
XOUT
48 XOUT
XVDD
47 XVDD
RVDD
46 RVDD
RCHO
45 RCHO
RVSS
44 RVSS
LVSS
43 LVSS
LCHO
42 LCHO
LVDD
41 LVDD