Diagrams; Block Diagram - Rf Servo/Video Section - Sony HCD-HDX277WC Service Manual

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
Q Q
3 7 6 3 1 5 1 5 0
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
T E
L 1 3 9 4 2 2 9 6 5 1 3
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
COIL DRIVE
TRK– 34
SL+ 29
SLED
MOTOR DRIVE
SL– 30
SP+ 27
SPINDLE
SP– 28 MOTOR DRIVE
46
BUFFER
47
MUTE123
PS 21
MUTE34
TSD-M
41 BUFFER
w w w
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 9 DOUT
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
RD0 – RD15
20 158 MUTE
22 130 TSD_M
40 39 IOPMON
239 238 102 101 112
RF+3.3V
x a o
8
X1101 5 6 7
27MHz
. i
EEPROM
IC1103
http://www.xiaoyu163.com
AUDIO SELECTOR
1 A
2 B
A/D CONVERTER
IC707
BCK 8
LRCK 7
SCKI
6
AUDIO1
M
VinL 13
(Page 30)
VinR R-CH
14
Q Q
3 7
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,
76 78 66
82 – 86, 89 91, 63, 64, 75, 87
u 1 6 3
y
29, 31, 33, 35, 45, 25 – 18, 8 – 1,
26 28 11 12
38, 40, 42, 44 48, 17, 16, 9, 10
DQ0 – DQ7 A-1, A0 – A20
FLASH ROM
IC1102
28 28
2 4
8 9 9
IC3003
Y 5
A/B
6 D2
D3
D1
BCK
LRCK
MCK
• SIGNAL PATH
X701
12.288MHz
22
21
DIN1 (I) 4 RECEIVER
DIGITAL AUDIO
16 DATA (O)
INTERFACE RECEIVER
IC702
24 AUDIO- (O)
WAVE
DIN2 (I) 5
SHAPER
IC302
6 3 1 5 1 5 0 8 9
VIDEO AMP, 75
14 15 13 35 36 38 37 25 34 17 48
4 CVBS IN
2 C IN
6 Y IN
10 CY IN
12 Cb IN
14 Cr IN
200 201 198 231 230 227 221 214 51 198
100 97 98 99 110 108
m
c o
52 31 32 33 37 34 38
.
SYSTEM CONTROLLER
IC501 (1/5)
2
8 9 9
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
DIGITAL IN DIGITAL IN
IC301 OPTICAL OPTICAL
J302
TV TV/VIDEO
DIGITAL IN DIGITAL IN
COAXIAL COAXIAL
DMPORT_VIDEO
2 4 9 8 2 9 9
D
(Page 29)
ohm DRIVER
IC404
J402 (1/2)
23
CVBS OUT VIDEO OUT
CY OUT 20 Y
J404
COMPONENT
Cb OUT 18 P /C
B B
VIDEO OUT
Cr OUT 16 P /C
R R
3 13 5
V_SEL2
E
(Page 29)
XRST
F
(Page 29)
82 83