Sony HCD-MD595 Service Manual ▷ View online
HCD-MD595
74
74
6-25. PRINTED WIRING BOARD – POWER Board –
•
See page 55 for Circuit Boards Location.
There are a few cases that the part isn't mounted in model
is printed on diagrams.
is printed on diagrams.
• Semiconductor
Location
Ref. No.
Location
D921
B-4
D971
C-4
D972
C-3
D973
C-4
D974
C-3
D981
A-3
D982
A-4
D983
A-4
D984
A-4
D985
A-4
D991
C-4
D992
E-4
D993
E-4
IC921
B-4
Q991
D-4
(Page 70)
(Page 68)
75
75
HCD-MD595
6-26. SCHEMATIC DIAGRAM – POWER Board –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
(Page 71)
(Page 66)
76
76
1.2 Vp-p
• Waveforms
– BD (CD) Board –
– BD (CD) Board –
1
IC101
wg
(MDP) (CD PLAY mode)
2
IC101
el
(FE) (CD PLAY mode)
3
IC101
ra
(TE) (CD PLAY mode)
6
IC101
us
(XTAO)
5
IC101
t;
(RFAC) (CD PLAY mode)
4
IC101
rd
(RFDC) (CD PLAY mode)
– BD (MD) Board –
1
IC101
1
(I),
2
(J) (MD PLAY mode)
3
IC101
8
(E),
9
(F) (MD PLAY mode)
4
IC151
qh
(OSCI)
2
IC101
4
(A) (MD PLAY mode)
5
IC151
o;
(FS4)
2.6 Vp-p
7.9
µ
s
200 mVp-p
180 mVp-p
1.2
±
0.2 Vp-p
3.1 Vp-p
29 ns
0.5 Vp-p
0.1 Vp-p
0.06 Vp-p
3.1 Vp-p
22 ns
3.2 Vp-p
56.6
µ
s
– MD DIGITAL Board –
1
IC1101
el
(X1)
2
IC1006
wl
(CLKOUT)
3
IC1006
ed
(I2SBCKOUT)
5
IC1001
ws
(XIN)
4
IC1006
ej
(I2SLRCKOUT)
– MAIN Board –
1
IC501
eg
(XTIN)
2
IC501
el
(XIN)
1.5 Vp-p
62.4 ns
4.3 Vp-p
88.5 ns
3.7 Vp-p
354 ns
3.6 Vp-p
22.7
µ
s
2.6 Vp-p
100 ns
1.7 Vp-p
30.6
µ
s
1.3 Vp-p
62.4 ns
77
• IC Block Diagrams
– BD (MD) Board –
– BD (MD) Board –
IC101
CXA2523AR
–1
–2
+
–
IVR
BB
+
–
IVR
AA
+
–
IVR
CC
+
–
IVR
DD
+
–
IVR
+
–
EE
EE'
EFB
TESW
PTGR
48
MORFO
47
MORFI
46
RFO
45
OPN
44
OPO
43
ADDC
42
COMPP
41
COMPO
40
AGCI
39
RF AGC
38
RF
37
PEAK
36 BOTM
35 ABCD
34 FE
33 AUX
32 ADFG
31 ADAGC
30 ADIN
29 ADFM
28 SE
27 CSLED
26 TE
25 WBLADJ
24
VCC
23
3TADJ
22
EQADJ
21
VREF
20
F0CNT
19
XSTBY
18
XLAT
17
SCLK
16
SWDT
15
TEMPR
14
TEMPI
13
GND
12
APCREF
11
APC
10
PD
9
F
8
E
7
D
6
C
5
B
4
A
3
VC
VI CONV
BGR
VREF
SCRI - PARA
DECODE
+ –
–
+
AUXSW
COMMAND
+
–
IVR
GSW
+
–
FF
FBAL
FF'
TG
SEA
–
+
–
+
–1
–2
TG
TEA
WBL
3T
EQ
–
–
+
+
+
+
–
–
–
–
–
–
DET
ADIP
AGC
WBL
BPF22
BPFC
ABCDA
FEA
WBL
ATA
–
+
CVB
+
–
RFA1
–
–
–
–
1
2
–
–
–
–
–
1
2
2
GRVA
OFST
RFA2
GRV
HLPT
PTGR
–2
–1
–1
–2
BOTTOM
PEAK
RF AGC
EQ
EQ
DET
P-P
WBL
3T
WBL
TEMP
PBH
–
+
USROP
+
–
USRC
3T
BPF3T
PEAK3T
1
I
2
J
RFA3
PBSW
AUX
SW
IV
ESW
EBAL
Click on the first or last page to see other HCD-MD595 service manuals if exist.