Sony CMT-SX2D / HCD-SX2D Service Manual ▷ View online
21
21
HCD-SX2D
HCD-SX2D
• Circuit Boards Location
MAIN board
POWER board
AMP board
MPEG board
HP board
MIC board
AV board
KEY board
SECTION 7
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in
Note:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– MPEG Section –
No mark: DVD STOP
– Other Section –
No mark: FM
( )
– MPEG Section –
No mark: DVD STOP
– Other Section –
No mark: FM
( )
: TAPE REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
d
: TUNER
j
: PB (TAPE)
a
: REC (TAPE)
J
: DVD/CD (AUDIO)
I
: DVD/CD (DIGITAL)
: DVD (RF)
: DVD (RF)
h
: TV IN
L
: VIDEO
g
: CD (RF)
r
: COMPONENT
E
: Y
N
: MIC
• Abbreviation
E3
: 240 V AC Area in E model
KR
: Korean model
SP
: Singapore model
TH
: Thai model
For Printed Wiring Boards.
Note:
•
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
Caution:
Parts face side:
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(Side B)
(Side B)
the pattern face are indicated.
Note: The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
B
These are omitted.
C
E
Q
Ver. 1.2
22
22
HCD-SX2D
HCD-SX2D
7-1. BLOCK DIAGRAM — MPEG-1 SECTION —
• Signal Path
: CD(RF)
: DVD(RF)
U2(1/2)
RF AMP
FOCUS/TRACKING
ERROR AMP
IO32
183
IO46/PWNCO5
200
IDI04/PWNCO6
201
I04/PWNCO0
202
IO43/PWNCO2
195
IO45/PWNCO4
198
44
47
MAD0-19
RESET# 141
MWR#
MCS#0
MRD#
23
MDA0-15
4-8,10,13,
15,17,28,31,
34,36,38,40,
34,36,38,40,
43,45,46,
48,49
9,11,14,16
18,19,22,24
26,27,30,33
26,27,30,33
CE
26
OE
28
A0-18
RP
12
WE
11
DQ0-15
1-9,
16-25,
48
28-36,
38-45
IC6
FLASH MEMORY
A
160
B
162
C
165
D
167
E
170
F
172
ICI05
186
ICI04
185
CD-MD
176
VC
173
RFP
157
DVD_LD
179
CD_LD
178
Q4,11
VR CONTROLLER
(CD)
Q16
+3.3VREG
Q17
+1.8VREG
Q10
VR CONTROLLER
(DVD)
Q2
POWER
CONTROLLER
(DVD)
Q21
POWER
CONTROLLER
(CD)
VINSL+ 4
CTKERR1 25
3
CF CERR1
CF CERR2
2
VINSL- 5
STBY
+3.3V
+5V
+1.8V
28
VINFC 1
VINTK 26
VINLD 23
VOFC-
13
VOFC+
14
VOTK+
15
VOTK-
16
PLHD
10
PVCC1
9
VOSL-
12 VOSL+
11
VOLD+
17
VOLD-
18
V/VFFC
OPN
CLS
7
VOSL
6
OPEN SW
TOP
TCL
CLOSE SW
LOAD+
LOAD-
SLED+
SLED-
HOME SW
SPIND+
SPIND-
F-
OPTICAL
PICK-UP BLOCK
DM3451-A
(SF-HD65F)
F+
T+
T-
F-
F+
T+
T-
A
B
C
D
E
F
V-RF
VR-CD
VR-DVD
VS
LD(DVD)
LD(CD)
F-
F+
T+
T-
PANEL/POWER
SECTION
(Page 25)
(Page 25)
(Page 25)
PANEL/POWER
SECTION
DVD-MD
177
IDI03
188
K
171
J
168
IC7
MOTOR
DRIVER
DRIVER
35,37,39,42
D
C
23
23
HCD-SX2D
HCD-SX2D
7-2. BLOCK DIAGRAM — MPEG-2 SECTION —
AUDIO
SECTION
(Page 24)
B
PANEL/POWER
SECTION
(Page 25)
E
: VIDEO
: DVD/CD(AUDIO)
• Signal Path
• R-CH is omitted due to same as L-CH.
: DVD/CD(DIGITAL)
: COMPONENT
: Y
U2(2/2)
VIDEO DAC ENCODER
IC4
SDRAM
IC14
EEPROM
IC501(1/3)
SYSTEM CONTROLLER
148
CVBS/C/Y
SSCTXD/IO17
1
IO47/SSCCLK
207
IO16/SSCTXD
DSSTB
DSCK
DSDA
RESET#
150
CVBS/C
151
V/R/Y
144
GCLK
143
XO
153
C/B/V
110
SPDIF
AB CLK
ALR CLK
AOUT O
116
AMCLK 118
115
113
IC103//VIDO
135
IC031
136
IDI02
137
53-57,59,60,
61,63,65,67
20-24,
27-32
RADD1-10
ADD1-10
ADD1-10
ADD1-10
SDA
SCL
5
6
MRST
RCS#O
RCSO
RCS#1
RCS1
RCS1
70
PCLK
PCLK
PCLK
80
73
RWE#
RWE
RWE
77
RCAS#
RCAS
RCAS
75
RRAS#
RRAS
RRAS
74
RDQM#
RDQM
RDQM
A0-A10
82,84-86,
88-90,92,94,96,
98-100,102-104
98-100,102-104
2,3,5,6,8,9,11,
12,39,40,42,43,
45,46,48,49
RDAT0-15
DAT0-15
DAT0-15
DAT0-15
D0-D15
CLK
WE
CAS
RAS
LDOM
UDOM
78
SCLK
MCLK
LRCK
LRCK
SDATA
2
3
1
4
AOUTL
U4
AUDIO DAC
5
8
AOUTR
R-CH
JK801
Y1
27MHz
2
1
IC8
AMP
JK804
TX
35 15 16 17 14 36
CS
18
VIDEO OUT
VOUT
DIGITAL OUT
OPTICAL
IC5
SDRAM
20-24,
27-32
19
A11
A0-A10
2,3,5,6,8,9,11,
12,39,40,42,43,
45,46,48,49
D0-D15
CS
CLK
WE
CAS
RAS
LDOM
UDOM
18 35 15 16 17 14 36
8 VIDEO SW
208
141
19
A11
RBA0
RBA0
RBA0
71
JK803
COMPONENT
VIDEO OUT
Y
P
B
/C
B
P
R
/C
R
Y
PB/CB
PR/CR
A
A
24
24
HCD-SX2D
HCD-SX2D
7-3. BLOCK DIAGRAM — AUDIO SECTION —
PANEL/POWER
SECTION
(Page 25)
A
MPEG-2
SECTION
(Page 23)
B
: DVD/CD(AUDIO)
• Signal Path
• R-CH is omitted due to same as L-CH.
: AUDIO
: TUNER
: TV IN
: MIC
: REC(TAPE)
: PB(TAPE)
JK201
R-CH
L-CH
L
R
TV IN
ANTENNA
AM
FM 75
Ω
COAXIAL
L
R
SPEAKER
IMPEDANCE
USE 6
Ω
PHONES
JK103
JK102
R-CH
D OUT
D IN
CL
CE
SO
TUCE
SDAT/ROMDA
12
STE
11
RPHD 3
BIAS
4
TUCK
20
TUDI
18
TUDO
19
53
STRB 52
SCK/ROM CK
54
AMUT 59
TSOL 5
TMOT 6
TCNT 7
REPT 31
HDPN 30
IC501(2/3)
SYSTEM CONTROLLER
OUT-L
COMT
13
CD-L
21
7
TAPE-L
2
TUNER-L
23
AUX-L
19
18
REC-O-L 28
IC302
SOUND PROCESSOR
SDA
SCL
Q105
MUTE CONT
Q322
MUTE CONT
Q321
MUTE CONT
Q102
MUTE
Q199
INVERTER
Q344-Q347
OSC
Q327,332
REC/PB SWITCH
Q329-331
REC/PB SWITCH
Q653,654
MOTOR DRIVER
Q651,652
SOL DRIVER
+VM
Q348
T301
Q308
PROTECT
SWITCH
Q350-352
FAN CONT
DC
FAN
Q303,304,354
DC PROTECT
Q104,301
OVER LOAD
DETECT
Q319
MUTE
SWITCH
Q314,317
CURRENT
DETECT
Q353,355
FAN CURRENT
DETECT
6
IC503 EPROM
STBY
13
CH1_
IN
IN
CH1_
OUT+
11
4
IC103
POWER AMP
R-CH
R-CH
+9V(TU)
MUTE
+VDD
INH
R-CH
R-CH
R-CH
R-CH
R-CH
ERASE
L-CH
REC/PB
HEAD
R-CH
R-CH
PACK
RECF
RECR
HDPLY
TCNT
MOT
SOL
TUNER PACK
TAPE
MECHANISM
DECK
5
VOL-IL
MIC
+
-
MIC LEVEL
+
-
IC250(2/2)
MIC AMP
MIC AMP
5
7
4
VR250
2
1
3
JK202
IC250(1/2)
MIC AMP
MIC AMP
IC201
AMP
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