Block Diagram - Audio/Video Cd Section - Sony HCD-LV60 Service Manual

7-2. BLOCK DIAGRAM – AUDIO/VIDEO CD Section –
MCLK 33.8MHz
A
(Page 16)
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL PROCESSOR
IC505
DATA, BCK,
LRCK, C2PO
DATA CD-DATA
B 4
LEVEL
BCK CD-BCK
SHIFT 3
(Page 16)
LRCK CD-LRCK
IC501
5
INTERFACE
CD-C2PO
C2PO
6
MA0 – MA10
58 – 56, 54, 52 – 50, 48, 46 – 44
ADDRESS BUS
DATA BUS
16 – 19, 22 – 26 2 – 5, 7 – 10, 31 – 34, 36 – 39 12 – 5, 27, 26, 23
A0 – A8 DQ1 – DQ16 A0 – A10
D-RAM PROGRAM ROM
IC507 IC506
28 29 14 13
DATA, CLK
D
(Page 20)
05
MPEG
AUDIO
AUDIO
INTERFACE
DECODER CIRCUIT
MPEG
SYSTEM
MPEG VIDEO
CD-ROM LekSound.net DECODER
VIDEO PROCESS
DECODER CIRCUIT
CIRCUIT
PGIO2/VSYNC/CSYNC
D-RAM/ROM INTERFACE CPU INTERFACE
MD0 – MD15
10 – 15, 17, 19, 21, 23 – 29 37 38 42 40 60 113
LekSound.net
13 – 15, 17 – 21 25, 4, 28, 29, 3, 2, 30
O0 – O7 A11 – A17
22
LekSound.net
24 23
S501
SYSTEM SELECT
NTSC
93 NT/PAL
AUTO
PAL
D502
(SELF DIAGNOSIS)
73 TEST LED
CD MECHANISM CONTROLLER
CLK
29 CLK
DATA
30 DATA
DA-DATA DATA
110
18 INPUT
DA-BCK BCK
111 17 INTERFACE
DA-LRCK
LRCK
CIRCUIT
108 19
DA-XCLK
86
768FSO
21
OSC
384FSO
BUFFER
20
IC504 MCKO
4
Y-OUT
69 TIMING CONTROL/
CLOCK GENERATOR
C-OUT
75
VCK-IN
106
24
93
X503
CT503
27MHz
VIDEO FREQUENCY
(27MHz)
114 121 112 119 117
BUFFER
Q502
DATA
CLK
VIDEO
BUFFER
Q303
VIDEO SHARPNESS
B.P.F.
BUFFER FILTER
Q301
Q302
VIDEO
B.P.F. BUFFER
Q304
45
20 21 32 31 33 22
SHARPNESS
CONTROL SWITCH
Q306
SHARPNESS 34
VMUTE 65
XOUT 13
IC502 (2/2) X501
10MHz
15
XIN
17 17
DIGITAL FILTER,
D/A CONVERTER
IC509
DIGITAL
VOUTL
14
FILTER, LOW-PASS
D/A
LOW-PASS
NOISE FILER
CONVERTER
FILER VOUTR
SHAPER IC101
11
CIRCUIT
MODE
CONTROL
• SIGNAL PATH
1 9 8 7 10
VIDEO AMP
IC401 (1/2)
1 4
VIDEO MUTE
Q453
VIDEO AMP
IC401 (2/2)
VIDEO VIDEO
BUFFER BUFFER
Y/C MIX
8 5
Q307 Q308
Q310
VIDEO MUTE
Q454
IN1
1
IN3 VOUT
6 10
IN4
8
LOGIC
VIDEO SELECT
SWITCH,
VIDEO AMP
IC191
2 3 5
A B C
HCD-LV60
CD-L
E (Page 19)
R-CH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
RESET
C
(Page 16)
J301
S VIDEO OUT
C
1
3
4
2
Y
J804 (1/2)
VIDEO2
INPUT
VIDEO
VIDEO1
VIDEO IN
VIDEO OUT
J702 (1/2)
A, B, C
F
(Page 19)