Read Sony DAV-HDX275 / DAV-HDX277WC / DAV-HDX279W / DAV-HDX475 / DAVHDX576WF / DAV-HDX675 / HCD-HDX275 / HCD-HDX277WC / HCD-HDX279W / HCD-HDX475 / HCD-HDX576WF / HCD-HDX675 Service Manual online
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
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SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM - RF SERVO/VIDEO Section -
DQ0 – DQ7
HD0 – HD7
A-1, A0 – A20
HA0 – HA21
OPTICAL PICK-UP
BLOCK
RF AMP, SERVO DSP,
MPEG DECODER,
HDMI TRANSMITTER
IC1101
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC1201
AUTOMATIC POWER
CONTROL (FOR CD)
Q1102-1
DVDRFIP
10
DVDA
6
DVDB
7
DVDC
8
DVDD
9
RF
MA
11
MB
12
MC
13
MD
14
VOA/A
VOB/B
VOC/C
VOD/D
VOD/D
TNI
17
VOE/E+G
TPI
18
VOF/F+H
V2O
28
VC
LDO1
22
LD (780)
AUTOMATIC POWER
CONTROL (FOR DVD)
Q1102-2
LDO2
21
LD (650)
FOO
41
CD ON
SWITCH
Q1101-1
DVD ON
SWITCH
Q1101-2
SWITCH
Q1101-2
VR (780)
MSW
LIMITSW
54
52
53
VR (650)
FCS+
MSW
MDI1
19
MDI2
20
PD
LIMIT
Q1103
XROMCS
CE
SD-RAM
IC1104
X1101
27MHz
36
FCS–
37
1
TRO
40
TRK+
35
TRK–
34
4
FMO
37
SL+
29
SL–
30
10
DMO
36
SP+
27
SP–
28
31
32
32
41
46
47
47
13
OP_INP
35
45
BCK
ABCK
226
ALRCK
223
ACLK
225
79, 80,
82 – 86, 89
29, 31, 33, 35,
38, 40, 42, 44
92, 77, 56 – 62, 74 – 67,
91, 63, 64, 75, 87
45, 25 – 18, 8 – 1,
48, 17, 16, 9, 10
DQ0 – DQ15
RD0 – RD15
A0 – A11
RA0 – RA11
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
121 – 119, 117 – 113,
129 – 122
140, 141, 143, 144,
155 – 150, 139, 149
23 – 26,
29 – 34, 22, 35
76
XT
ALI
239
26
XRD
OE
78
28
XWR
WE
66
11
RESET
12
BA0
BA0
137
20
BA1
BA1
138
21
DRCLK
CLK
146
38
CKE
CLKE
147
37
DQM0
LDQM
111
15
DQM1
UDQM
132
39
RAS
/RAS
135
18
CAS
/CAS
134
17
RCS
/CS
136
19
R
WE
/WE
133
DIR_DO
231
16
• SIGNAL PATH
: CD/DVD PLAY
: AUDIO
: AUDIO
: VIDEO
FOCUS
COIL DRIVE
TRACKING
COIL DRIVE
SLED
MOTOR DRIVE
SPINDLE
MOTOR DRIVE
REGULATOR
MUTE123
MUTE123
157
19
MUTE
MUTE34
158
20
TSD_M
TSD-M
130
22
IOPMON
39
40
8
PS 21
BUFFER
BUFFER
RF+3.3V
SDA
SDA
102
5
SCL
SCL
101 112
6
EEWP
WE
7
REGO2
REGO1
REGO1
DVD_SOD
IFSDO
32
97
DVD XIFCS
xIFCS
37
99
51
DVD_SID
IFSDI
31
M_ST
52
100
DVD_SCO
IFSCK
33
98
DVD_XIFBUSY
IFBSY
34
110
MTK_RST
XSYSRST
38
V_SEL1
83
108
SYSTEM CONTROLLER
IC501 (1/5)
LRCK
MCK
D2
D3
D1
189
C
191
Y
183
B/Cb/Pb
185
Y/G
182
R/Cr/Pr
VIDEO AMP, 75
ohm DRIVER
IC404
10 CY IN
12 Cb IN
14 Cr IN
4 CVBS IN
2 C IN
6 Y IN
3
MUTE1
13
MUTE2
5
YC_MIX
V_SEL0
82
KHM-310CAB
or
KHM-313CAB
J404
COMPONENT
VIDEO OUT
Y
P
B
/C
B
P
R
/C
R
J402 (1/2)
23
CVBS OUT
20
CY OUT
18
Cb OUT
16
Cr OUT
VIDEO OUT
FLASH ROM
IC1102
EEPROM
IC1103
XT
ALO
238
A
AUDIO_BUS
HDMI_BUS
D-2
D-4
C
D
F
XRST
204
ASDATA2
205
ASDATA1
203
ADIN(DATA)
DIR_AUDIO
202
ASDATA0
ASDATA3
DMPORT_VIDEO
(HCD-HDX576WF)
(EXCEPT HCD-HDX576WF)
E
V_SEL2
TX0P
TX0N
TX1P
TX1N
TX2P
TX2N
TCKP
TCKN
HTPLG
174
173
177
176
179
171
170
DDC_DA
DDC_CLK
TX0P
TX0N
TX1P
TX1N
TX2P
TX2N
TCKP
TCKN
HPD
SDA
SCL
159
161
MC_DATA(ADIN) 206
162
180
222
BUFFER
IC4502
AUDIO SELECTOR
IC3003
1 A
2 B
6
A/B
5
Y
B
VinL
14
13
VinR
BCK
7
LRCK
6
8
SCKI
A/D CONVERTER
IC707
9 DOUT
M
AUDIO1
R-CH
DIGITAL AUDIO
INTERFACE RECEIVER
IC702
DO (O)
35 36
DI (I)
CL
(I)
38
CE (I)
37
14
BCK (O)
LRCK (O)
15
CKOUT
(O)
13
CSFLAG (O)
25
ERROR (O)
34
XST
ATE (O)
17
XMODE (I)
48
DIR_DI
230
DIR_CL
227
DIR_CE
221
SPBCK
200
SPLRCK
201
SPMCK
198
DIR_CSFLAG
214
DIR_ERROR
DIR_XST
ATE
198
5
DIN2 (I)
OPTICAL
RECEIVER
IC301
TV
DIGITAL IN
OPTICAL
TV
DIGITAL IN
COAXIAL
TV/VIDEO
DIGITAL IN
OPTICAL
TV/VIDEO
DIGITAL IN
COAXIAL
J302
4
DIN1 (I)
WAVE
SHAPER
IC302
XIN (I)
22
XOUT
(O)
21
X701
12.288MHz
16 DATA (O)
24 AUDIO- (O)
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