Sony ICF-CD543RM Service Manual page 28

ICF-CD543RM
• Waveforms
– CD Board – – MAIN Board –
1 IC701 4 (RF) (CD PLAY mode) qa IC51 w; (XOUT) (RADIO ON mode)
0.85 ± 0.2
Vp-p
13.3 µ s
2 IC701 qd (FE) (CD PLAY mode)
Approx.
90 mVp-p
3 IC701 qg (TE) (CD PLAY mode)
Approx.
60 mVp-p
4 IC701 rk (XOUT)
2.9 Vp-p
29.5 ns
– LCD Board –
wa IC401 ua (XT2)
3.4 Vp-p
1.2 Vp-p
30.6 µ s
ws IC401 ug (X2) (CD PLAY mode)
3.2 Vp-p
238 ns
28
• IC Block Diagrams
– CD Board –
IC701 LC78645NE-U
80 79 78 77 76 75 74 73
APC PLL VCEC
SLCO 1
CLV, CAV
SLCIST 2 CONTROL
SLICE LEVEL
EFMIN
3
CONTROL
RF 4
RFVDD 5
PH
LEVEL SET
RFVSS 6
+
MIX EQ AGC BH
–
FIN1 7
+
+
+
LPF
–
–
FIN2 8
+
TIN1 9 – +
LPF SW
TBAL
+
–
LPF
TIN2 10 –
AUTO
TBAL
+
ADJUST
VREF 11
–
+
REF1 12
FE 13
TEC 14
MONITOR
TE 15
CONTROL
RFMON 16
JITTER
JITTC 17
DETECT
ADAVDD 18
A/D
ADAVSS 19
S/H D/A SW
GENERAL-PURPOSE
TDO 20
PORTS
21 22 23 24 25 26 27
28
72 71 70 69 68 67 66 65 64 63 62 61
DRF COMMAND INTERFACE
30
28
RUPTURE
DEFECT
+
–
+ RAM
–
INTERPOLATION
MUTE
29
SERVO
ATTENUATION
PROCESSOR
DEEMPHASIS
+
–
RAM
ERROR
CORRECTION
AUDIO CD
C1-2, C2-2
TRACK
JUMP
CLOCK
GENERATOR
FRAME SYNC
DETECT,
PROTECT INSERT,
8FS
EFM DECODE
DIGITAL FILTER
1BIT DAC
SUBCODE
DECODE CRC
AUDIO
MONITOR SIGNAL SELECTOR
OUT
28 29 30 31 32 33 34 35 36 37 38 39 40
60 DATA
SERIAL
59 DATACK
OUT
58 LRSY
57 ASDFIN
EXTERNAL
56 ASDACK
AUDIO IN
55 ASLRCK
54 16MOUT
53 EFLG
C2F
52
51 XVSS
50 FSX/16MIN
49 XIN
48 XOUT
47 XVDD
46 RVDD
45 RCHO
44 RVSS
LPF
43 LVSS
42 LCHO
41 LVDD