Sony HCD-MDX10 Service Manual ▷ View online
HCD-MDX10
– 51 –
– DISPLAY SECTION –
– 52 –
X601
12.5MHz
MD RECL
MD RECR
28
21
LEVEL L (MD RECL)
RCH
33 - 46
52 - 86
FL601
FLUORESCENT INDICATOR TUBE
VF
91
89
XOUT
REC IN
XIN
17
20
KEY 0
KEY 3
JOG A
JOG B
10
1
SIRCS
L SEL
100
DISPLAY CONTROL
IC601
I
2
C DATA
I
2
C CLK
97
98
92 RESET
LED
PANEL LED
REMOTE
CONTROL
RECEIVER
IC602
LED
CONTROL
Q603
ROTARY
ENCODER
KEY
MATRIX
+5V (LED)
SEG1-SEG35
GR5-GR18
11
12
VOL A
VOL B
ROTARY
ENCODER
VOLUME
S602
S601
(JOG)
Q601,602
23
22
25
24
S LOW (F01)
BPF1 (F02)
BPF2
BPF3
BPF4
BPF3
BPF4
09
MIC IN SW
(FROM MAIN SECTION)
SPEANA
IIC DATA
IIC CLK
RESET
E
BD (MD)
SECTION
(Page 46)
I
MAIN
SECTION
(Page 48)
9
27
ALL B (L+R)
6
17
16
14
13
12
S LOW
BPF1
BPF2
BPF3
BPF4
ALLB
F01
F02
F04
F05
F06
L+R
SPEANA BPF FILTER
IC603
LINE IN
4
11
STANDBY LED
D751
ECO
TIMER LED
D628
LED SWITCH
Q615
+5V (LED)
TIMER SELECT
47 - 50
GR1-GR4
IND BUFF
Q610-616
VF
5
WAKE UP
WAKE UP
26
2
|
4
•
6
|
8
•
93
•
94
•
96
•
99
MD LED
DISC 1 LED
DISC 2 LED
DISC 3 LED
16
15
14
13
LED DRIVE
Q751-754
LED
2
LED DRIVE
Q604-613
LED SWITCH
Q614
HCD-MDX10
– 53 –
– 54 –
– MAIN POWER/SUB POWER SECTION –
VG
VF
VF BUFF
Q14, 15
• R CH : Same as L ch
• SIGNAL PATH
: FM
• SIGNAL PATH
: FM
Rch
Rch
PROTECT
CONTROL
CONTROL
Q432 - 434
RY401
HP.L
OVER LOAD
DET
Q801
Rch
POWER AMP
IC801
FRONT
F RELAY
DBFB
STK MUTE
AC
IN
16
18
14
PHONES
J701
HP
HPLCH
HPLCH
Rch
FRONT
FRONT
SPEAKER
SPEAKER
TM401
RELAY
DRIVE
Q435, 436, 431
VOLTAGE
SELECTOR
T11
SUB TRANSFORMER
T881
POWER TRANSFORMER
MAIN
SECTION
J
(Page 48)
VH+
SWITCH
Q437
MUTE
SWITCH
Q439
MUTE
SWITCH
Q439
Lch
+VH SUPP
Q803, 805
MUTE
SWITCH
Q804
+VH
RY-SW
RESET
STANDBY RELAY ON/OFF
FL SW ON/OFF
POWER ON/OFF
AC CUT
PROTECTOR
AC4
AC4
RECT
D907-910
AC3
AC3
RECT
D901-904
IC901
+7V REG
CD/MD MOTOR +7V
ST+10V
3
1
3
1
+10V REG
Q909
TC MOTOR +12V
A+7V
A–7V
3
1
–7V REG
Q951,952,914
+7V REG
Q901,902,913
RECTIFIER
D911
IC905
REG
+5V OUT
Q905
D+5V SW
D+5V UN SW
MD H+5V
RDS D+5V UN SW
AC1
AC1
RECT
D832
D832
RECT
D831
D831
AC2
AC2
–VL
+VL
+VH
–VH
IC904
REG
3
1
5.6V (RED)
RECTIFIER
D918
RECTIFIER
D921
SWITCH
Q906, 903
SWITCH
Q904
+5V REG
Q907
RECTIFIER
D920
RECTIFIER
D919
CD A+5V (SW)
CD D+5V (SW)
RECT
D12-15
DISPLAY
(VIA POWER)
VF
COM MON
SUB TRANS. D+5.6V
3
1
RELAY DRIVE
Q11
SWITCH
Q16, 17
-26V REG
Q12, 13
RECT
D17-20
US, Canadian
RY11
IC903
+12V REG
IC902
REG
IC11
5.6V REG
VS11
RECTIFIER
D24, 25
3
1
REG OUT
Q921
D508
+5V (SWBY) (DISPLAY)
+5.6V (SWBY)
E
MUTE
SWITCH
Q412, 411
MD BACKUP
MD 3.3V
MD A3.3V
RESET
IC371
3
5
BD (MD)
SECTION (2)
F
09
(Page 46)
-12V
+12V
HCD-MDX10
IC101
#ª
FE
1
2
3
4
5
WAVEFORMS
– BD (CD) SECTION –
– BD (CD) SECTION –
IC101
^§
XTAI
IC101
%¡
RF AC
IC101
$¡
TE
IC101
@§
MDP
• Indication of transistor
– PANEL (1/2) SECTION –
1
2
IC501
!¡
XC-OUT
IC501
!£
X-OUT
– MAIN (3/4) SECTION –
IC601
(¡
X OUT
1
3.1Vp-p
16.9MHz
1.2Vp-p
(PLAY)
2.5V
APPROX 500mVp-p (PLAY)
2.5V
APPROX 200m Vp-p (PLAY)
7.5
µ
sec
2.4Vp-p
16MHz
5.5Vp-p
32.768kHz
5.2Vp-p
12.5MHz
3.4Vp-p
– 55 –
– 56 –
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
g
: VIDEO
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
c
: CD (digital out)
a
: PB (MD)
j
: REC (MD)
p
: PB (digital out)
l
: REC (dihgital in)
• Abbreviation
CND : Canadian model.
G
G
: German model.
SP
: Singapore model.
MY
: Malaysia model.
HK
: Hong Kong model.
AR
: Argentine model.
KR
: korea model.
AUS
: Australian model.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
– BD (MD) (1/2) SECTION –
1
2
3
4
5
6
7
8
IC101
1
,
2
(I, J) (PLAY mode)
IC101
4
(A) (PLAY mode)
IC101
8
,
9
(E, F) (PLAY mode)
IC121
!§
(OSCI)
IC121
@¶
(LRCK)
IC121
@ª
(FS256)
IC121
@•
(XBCK)
IC121
(º
(FS4)
0.46Vp-p
0.1Vp-p
0.06Vp-p
3.1Vp-p
22.581MHz
3.2Vp-p
44.1kHz
3.8Vp-p
2.822MHz
3.8Vp-p
11.29MHz
3.2Vp-p
176.4kHz
– BD (MD) (2/2) SECTION –
– MD DIGITAL (1/2) SECTION –
IC316
!£
(XOUT)
1
3.2Vp-p
10MHz
C
These are omitted
E
B
Q
C
These are omitted
E
B
HCD-MDX10
8-3. PRINTED WIRING BOARD – BD (CD) SECTION –
• See page 40 for Circuit Boards Location.
– 57 –
– 58 –
(Page 75)
(VC)
(RP)
(AGCCON)
(FE)
(FF1)
(TE)
19
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