Diagrams; Block Diagram - Rf Servo/Video Section - Sony HCD-HDX275 Service Manual

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
6-1.

BLOCK DIAGRAM - RF SERVO/VIDEO Section -

RF
VOA/A
VOB/B
VOC/C
VOD/D
VOE/E+G
VOF/F+H
VC
PD
AUTOMATIC POWER
LD (780) CONTROL (FOR CD)
Q1102-1
AUTOMATIC POWER
LD (650) CONTROL (FOR DVD)
Q1102-2
OPTICAL PICK-UP
BLOCK
KHM-310CAB
or
KHM-313CAB
MSW
Q1103
CD ON
VR (780) SWITCH
Q1101-1
DVD ON
VR (650) SWITCH
Q1101-2
LIMIT
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC1201
FCS+ 36
FOCUS
FCS– 37 COIL DRIVE
TRK+ 35
TRACKING
TRK– 34 COIL DRIVE
SL+ 29
SLED
MOTOR DRIVE
SL– 30
SP+ 27
SPINDLE
MOTOR DRIVE
SP– 28
46
BUFFER
47
MUTE123
MUTE34
TSD-M
41 BUFFER
REGO2 31
REGULATOR
REGO1 32
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
SECTION 6

DIAGRAMS

10 DVDRFIP ASDATA1 225
6 DVDA ASDATA2 223
7 DVDB
ASDATA0 226
8 DVDC
BUFFER
9 DVDD ASDATA3 222
IC4502
ABCK 204
11 MA
12 MB
ALRCK 205
13 MC
ACLK
203
14 MD
17 TNI
18 TPI
TX0P
TX0P 174
TX0N
28 V2O
TX0N 173
TX1P
TX1P 177
19 MDI1
TX1N
20 MDI2
TX1N 176
TX2P
TX2P 180
TX2N
TX2N 179
22 LDO1 TCKP
TCKP 171
TCKN
TCKN 170
HPD
HTPLG 162
21 LDO2
SDA
DDC_DA 159
SCL
DDC_CLK 161
MC_DATA(ADIN) 206
RF AMP, SERVO DSP,
MPEG DECODER,
HDMI TRANSMITTER
IC1101
ADIN(DATA) 202
54 MSW
DIR_AUDIO
52
53 LIMITSW
C 189
Y 191
Y/G 185
B/Cb/Pb 183
1 41 FOO
R/Cr/Pr 182
4 40 TRO
10 37 FMO
DQ0 – DQ15
2, 4, 5, 7, 8, 10, 11, 13, 42,
13 36 DMO
44, 45, 47, 48, 50, 51, 53
45 35 OP_INP
121 – 119, 117 – 113,
19 157 MUTE123 129 – 122
PS 21
RD0 – RD15
20 158 MUTE
22 130 TSD_M
40 39 IOPMON
239 238 102
RF+3.3V
8
X1101 5
27MHz
EEPROM
IC1103
A/D CONVERTER
IC707
BCK 8
LRCK 7
SCKI 6
AUDIO1
M
VinL 13
9 DOUT
(Page 30)
VinR 14 R-CH
SD-RAM
IC1104
A0 – A11
23 – 26,
20 21 38 37 15 39 18 17 19 16
29 – 34, 22, 35
140, 141, 143, 144,
137 138 146 147 111 132 135 134 136 133
155 – 150, 139, 149
RA0 – RA11
HD0 – HD7 HA0 – HA21
79, 80, 92, 77, 56 – 62, 74 – 67,
101 112 76 78 66
82 – 86, 89 91, 63, 64, 75, 87
29, 31, 33, 35, 45, 25 – 18, 8 – 1,
6 7 26 28 11 12
38, 40, 42, 44 48, 17, 16, 9, 10
DQ0 – DQ7 A-1, A0 – A20
FLASH ROM
IC1102
28 28
AUDIO SELECTOR
IC3003
1 A
Y 5
2 B
A/B
D2
6
D3
D1
BCK
LRCK
MCK
• SIGNAL PATH
X701
12.288MHz
21 22
DIN1 (I) 4
DIGITAL AUDIO
16 DATA (O)
INTERFACE RECEIVER
IC702
24 AUDIO- (O)
DIN2 (I) 5 SHAPER
14 15 13 35 36 38 37 25 34 17 48
200 201 198 231 230 227 221 214 51 198
100 97 98 99 110 108
52 31 32 33 37 34 38
SYSTEM CONTROLLER
IC501 (1/5)
AUDIO_BUS
A
(Page 31)
D-2
B
D-4
(Page 30)
HDMI_BUS
C
(Page 29)
: CD/DVD PLAY
: AUDIO
: VIDEO
(HCD-HDX576WF) (EXCEPT HCD-HDX576WF)
OPTICAL TV TV/VIDEO
RECEIVER DIGITAL IN DIGITAL IN
IC301 OPTICAL OPTICAL
J302
WAVE TV TV/VIDEO
DIGITAL IN DIGITAL IN
IC302 COAXIAL COAXIAL
DMPORT_VIDEO
D
(Page 29)
VIDEO AMP, 75 ohm DRIVER
IC404
4 CVBS IN J402 (1/2)
CVBS OUT 23
VIDEO OUT
2 C IN
6 Y IN
10 CY IN
CY OUT 20 Y
J404
12 Cb IN
COMPONENT
Cb OUT 18 P /C
B B
VIDEO OUT
14 Cr IN Cr OUT 16 P /C
R R
3 13 5
V_SEL2
E
(Page 29)
XRST
F
(Page 29)
82 83