Sony MDS-S50 - Md Player Service Manual page 48

MDS-S50
Waveforms
– BD Board –
1 IC101 1 (I), 2 (J) (MD Play mode) 6 IC151 wk (XBCK)
0.5 Vp-p
354 ns
2 IC101 4 (A) (MD Play mode) 7 IC171 3
0.1 Vp-p
3 IC101 8 (E), 9 (F) (MD Play mode)
0.6 Vp-p
– MAIN Board –
4 IC151 qh (OSCI) 1 IC1 w; (XOUT)
5.2 Vp-p
22.2 ns
5 IC151 wj (LRCK) 2 IC550 2
4.2 Vp-p
22.7 s
3 IC500 9 (XTI)
4.4 Vp-p
22.2 ns
4 IC500 qa (LRCK)
1.4 Vp-p
22.2 s 22.7 s
5 IC500 qs (BICK)
354 ns
2.9 Vp-p
– DISPLAY Board –
100 ns
1 IC761 tk (OSC0)
3.6 Vp-p
441 ns
22.2 ns
• IC Block Diagrams
– BD Board –
IC101 CXA2523AR
48 47
1.4 Vp-p
RFA1
I 1 –
–
–
J 2 –
–
–
CVB
–
+
VC 3
–
GRVA
+
A 4
3.6 Vp-p –
IVR AA
+
B 5
–
BB
IVR
+
C 6
–
CC
IVR
+
D 7
–
IVR DD
3.3 Vp-p
+
E 8
–
IVR EE
+
F 9
– FF
IVR
IV
GSW
PD 10
+ –
+ –
APC 11
APCREF 12
13 14
3.3 Vp-p
48 48
46 45 44 43 42 41 40 39 38 37
USROP
–
+ RF AGC EQ
+
–
USRC
DET EQ
BPF3T
RFA2 RFA3
AUX
PEAK3T
HLPT
–1 SW
1 3T
P-P
2
–2
3T WBL
OFST
PTGR
TEMP
PEAK
1
–2
2
BOTTOM 36 BOTM
PBH
–1
GRV
PBSW
WBL
35 ABCD
34 FE
–
– 33 AUX
–
– BPFC
ABCDA
32 ADFG
31 ADAGC
+
+
30 ADIN
–
– FEA
DET
BPF22
–
ADIP
–
WBL 29 ADFM
+
AGC
+
ATA
WBL
–1 TG
28 SE
PTGR
– –2
SEA
+
+
EE'
–
27 CSLED
+
–
–1 TG
EFB TESW
26 TE
EBAL –2
TEA
ESW
+
WBL
–
FF'
3T 25 WBLADJ
VI CONV
FBAL EQ
AUXSW
BGR
COMMAND
VREF
SCRI - PARA
DECODE
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