Read Sony HTC-V5550 / MHC-V5550 / MHC-V7770AV Service Manual online
HTC-V5550
— AUDIO/VIDEO CD SECTION —
— 19 —
— 20 —
PROGRAM ROM
IC506
16
• SIGNAL PATH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
D/A
CONVERTER
INPUT
INTERFACE
CIRCUIT
OSC
BUFFER
IC504
LOW-PASS
FILER
IC101
IC101
B.P.F.
B.P.F.
VIDEO
BUFFER
Q301
VIDEO
BUFFER
Q303
VIDEO
BUFFER
Q307
VIDEO
BUFFER
Q308
VIDEO
BUFFER
Q601
VIDEO
BUFFER
Q304
VIDEO AMP
IC401 (1/2)
VIDEO AMP
IC401 (2/2)
VIDEO SELECT
IC601
SHARPNESS
CONTROL SWITCH
Q306
SHARPNESS
FILTER
Q302
VIDEO
MUTE
Q454
VIDEO
MUTE
Q453
Y/C MIX
Q310
BUFFER
Q502
LOW-PASS
FILER
MODE
CONTROL
TIMING CONTROL/
CLOCK GENERATOR
DIGITAL FILTER,
D/A CONVERTER
IC509
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL PROCESSOR
IC505
CD MECHANISM CONTROLLER
IC502 (2/2)
EXPANSION
IC402
14
11
VOUTL
VOUTR
R-CH
10
RSTB
17
18
19
20
21
9
7
24
1
DATA
BCK
LRCK
CD-ROM
INTERFACE
CIRCUIT
MPEG
SYSTEM
DECODER
MPEG
VIDEO
DECODER
VIDEO
PROCESS
CIRCUIT
CPU INTERFACE
AUDIO
INTERFACE
CIRCUIT
MPEG
AUDIO
DECODER
D-RAM/ROM INTERFACE
3
4
5
CD-DATA
C2PO
DATA
BCK
LRCK
DATA,
BCK,
LRCK,
C2PO
BCK,
LRCK,
C2PO
CD-BCK
CD-LRCK
6
CD-C2PO
MA0 – MA10
MD0 – MD15
D0 – D15
D0 – D15
A0 – A10
A0 – A8
384FSO
768FSO
4
MCKO
X503
27MHz
MD
XT2
XT1
37
14 13
29
28
38 42 40
72
22
19
32
21
20
33
31
12
23
24
60
69
75
113
110
111
108
106
HRDY
Y-OUT
86
DA-XCLK
VCK-IN
DA-DATA
DA-BCK
DA-LRCK
C-OUT
93
114 121
HSEL
112
HD-OUT
119
HD-IN
117
HCK
ML
8
MC
LEVEL
SHIFT
IC501
IC501
B
(Page 18)
IIC-DATA, IIC-CLK
F
(Page 23)
D
(Page 23)
CD POWER
J
(Page 23)
MCLK
33.8MHz
A
(Page 18)
CD-L
E
(Page 23)
C
(Page 18)
C
Y
DIGITAL
FILTER,
NOISE
SHAPER
CIRCUIT
CIRCUIT
58 – 56, 54, 52 – 50, 48, 46 – 44
10 – 15, 17, 19, 21, 23 – 29
16 – 19, 22 – 26
A0 – A10
12 – 5, 27, 26, 23
D8 – D14
A11 – A17
25, 4, 28, 29, 3, 2, 30
D0 – D7
O0 – O7
A0 – A10
DQ1 – DQ16
ADDRESS BUS
DATA BUS
D-RAM
IC507
A0 – A8
13 – 15, 17 – 21
2 – 5, 7 – 10, 31 – 34, 36 – 39
WE
22
CE
RAS
LCAS
UCAS
CAS
RESET
HINT
CL680 RESET
CL680 HINT
CL680 HRDY
CL680 HRDY
CL680 SEL
DATA1I
93
NT/PAL
TEST LED
CLK1
DATA1O
DATA1O
ITOU
UTOI
45
BUS
DATA
CLK
DF LATCH
34
7
3
2
1
7
5
SHARPNESS
65
VMUTE
77
XRESET
10
9
18
UTAU
UTAI
29
30
TXD
RXD
29
30
DATA
CLK
14 13
12C.CLK
12C.DATA
IIC-DATA
IIC-CLK
IIC-DATA
IIC-CLK
XOUT
XIN
11
12
RXD
TXD
RESET
RESET
RAS0
MWE
MCE
DEVICE RESET
RESET
1
3
1
2
3
4
J301
S VIDEO OUT
MONITOR OUT
J601
VIDEO IN
XOUT
XIN
X501
10MHz
X401
8MHz
NTSC
AUTO
PAL
S501
SYSTEM SELECT
D502
(SELF DIAGNOSIS)
73
13
15
20
19
PGIO2/VSYNC/CSYNC
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