Sony CMT-EX5 / HCD-EX5 Service Manual ▷ View online
45
HCD-EX5
• IC Block Diagrams
IC101 CXD3068Q
– BD BOARD –
CE
RFDC
ADIO
IGEN
ASYO
ASYI
RFAC
CLTV
FILO
FILI
PCO
BIAS
VCTL
V16M
VPCO
TE
ASYE
MD2
DOUT
DOUT
LRCK
PCMD
BCK
EMPH
XTSL
XTAI
XTAO
SOUT
SOCK
XOLT
SOCK
XOLT
SQSO
SQCK
SQCK
SCSY
SBSO
EXCK
EXCK
XRST
MUTE
DATA
XLAT
CLOK
SENS
SCLK
ATSK
W
FCK
XUGF
XPCK
GFS
C2PO
SCOR
CAM
WDCK
COUT
MIRR
SE
FE
VC
FE
VC
TES1
TEST
TEST
FFDR
TRDR
TFDR
SRDR
SFDR
FSTO
SSTP
LOCK
PWMI
PWMI
FOK
FRDR
MDP
DFCT
CLOCK
GENERATOR
ASYMMETRY
CORRECTOR
CORRECTOR
DIGITAL
PLL
CPU
INTERFACE
INTERFACE
CORRECTOR
PROCESSOR
SUB CODE
RAM
32K
DEMODURATOR
EFM
ERROR
D/A
DIGITAL
OUT
INTERFACE
SERVO
INTERFACE
SERVO
AUTO
MIRR
DFCT
DFCT
FOK
SERVO
FOCUS
SERVO DSP
SERVO
SERVO
SLED
TRACKING
FOCUS PWM
GENERATOR
GENERATOR
GENERATOR
GENERATOR
SLED PWM
TRACKING PWM
A/D
CONVERTER
OPAMP
ANALOG SW
PWM GENERATOR
DIGITAL
CLV
SERVO BLOCK
IC103 CXA2581N-T4
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
IC701 BA6956AN
– C MOTOR BOARD –
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
IC711 BA6956AN
– L.MOTOR BOARD –
46
HCD-EX5
• Waveforms
3.3 Vp-p
4
IC701
ek
(X2)
1
IC101
us
(XTAO)
2
IC381
2
FUNCTION:CD
3
IC701
eh
(XT2)
5.8 Vp-p
59 ns
1V/DIV,20ns/DIV
4.2 Vp-p
59 ns
31
µ
s
1V/DIV,20ns/DIV
1V/DIV,10
µ
s/DIV
1V/DIV,20ns/DIV
3.2 Vp-p
50 ns
IC301 PCM1748E/2K
– MAIN BOARD –
1
3
2
15
14
13
12
11
11
5
4
6
9
8
10
7
16
ROUT
LOUT
VCC
VDD
DGND
LRCK
DATA
BCK
Serial
Input
Power
System Clock
System Clock
I/F
Zero Detect
DAC
DAC
Output Amp and
Low-Pass Filter
Output Amp and
Low-Pass Filter
Control
Function
Manager
8x Oversampling Digital Filter
with Function Controller
Enhanced Multi-Level
Deita-Sigma Modurator
Supply
I/F
MCLK
LAT
CLK
DATA
DATA
DZFL
DZFR
VCOM
AGND
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Abbreviation
MX
MX
: Mexican model.
AUS
: Australian model.
SP
: Singapore model.
HK
: Hong Kong model.
TW
: Taiwan model.
KR
: Korean model
CND
: Canadian model.
47
HCD-EX5
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.
le numéro spécifié.
7-1. Case Section
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
#1
#1
#2
#1
#1
2
1
9
not
supplied
chassis section-1
3
10
12
13
12
11
4
6
7
5
8
1
X-4954-715-1 WINDOW ASSY (U), GLASS
2
4-989-494-12 SCREW (SLIDER), STEP
3
4-240-304-01 BUSHING (BRACKET)
4
4-240-308-01 PLATE (L), SIDE
5
X-4954-719-1 DISC ASSY, GUIDE
6
1-684-938-11 OS BOARD
7
1-684-939-11 OC BOARD
8
4-240-323-01 CASE (US,CND)
8
4-240-323-11 CASE (AEP,UK)
8
4-240-323-21 CASE (AUS,SP,MX,HK,TW,KR)
9
4-218-253-21 SCREW (M2.6), +BTTP
10
4-240-302-01 COVER (BACK)
11
4-240-309-01 PLATE (R), SIDE
12
4-240-321-01 FOOT
13
4-240-301-01 COVER (BOTTOM)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
#2
7-685-534-14 SCREW +BTP 2.6X8 TYPE2 N-S
SECTION 7
EXPLODED VIEWS
48
HCD-EX5
7-2. Chassis Section-1
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
F1
F801
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
51
52
53
54
55
not
supplied
not
supplied
not
supplied
CD mechanism section
(CDM71C-31BD63A)
(CDM71C-31BD63A)
not
supplied
chassis section-2
51
X-4954-720-1 PANEL ASSY, FRONT
52
1-773-001-11 WIRE (FLAT TYPE) (15 CORE)
53
A-4676-617-A POWER BOARD, COMPLETE (US,CND)
53
A-4676-644-A POWER BOARD, COMPLETE (AEP,UK)
53
A-4676-650-A POWER BOARD, COMPLETE
(AUS,SP,MX,HK,TW,KR)
54
1-684-940-11 SPK BOARD
* 55
3-703-150-11 CLAMP
0 F1
1-533-451-11 FUSE, GLASS TUBE (DIA. 5) 3.15A/125V(US,CND)
0 F1
1-533-470-11 FUSE, GLASS TUBE (DIA. 5) 3.15A/250V(TIME-LAG)
(AEP,UK,AUS,SP,MX,HK,TW,KR)
0 F801
1-533-453-11 FUSE, GLASS TUBE (DIA. 5) 5A/125V
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
The components identified by
mark
mark
0
or dotted line with mark
0
are critical for safety.
Replace only with part number
specified.
specified.
Les composants identifiés par
une marque
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
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