Block Diagram -Audio/Video Cd Section - Sony HCD-RV222 Service Manual

HCD-RV222
Q Q
3 7 6 3 1 5 1 5 0
6-2. BLOCK DIAGRAM — AUDIO/VIDEO CD SECTION —
74 150 149 207 206
X501 X502
33.8688MHz 27MHz
T E
L 1 3 9 4 2 2 9 6 5 1 3
24 13 – 15, 17 – 21 12 – 5, 27, 26, 31 23, 25, 4, 28, 29, 3, 2, 30
DQ0 – DQ7 A0 – A9, A18 A10 – A17
PROGRAM ROM
IC508
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY (AUDIO)
w w w
: CD PLAY (VIDEO)
: MIC
HCD-RV222
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL ENCODER
IC505 (2/2)
DRDAT0 – DRDAT15 DRADR0 – DRADR10
49 – 56, 59 – 66 34 – 37, 39 – 45 73 72 68
ADDRESS BUS
DATA BUS
2, 4, 5, 7, 8, 10, 11, 13, 42,
23 – 26, 29 – 34, 22 16 18 17
44, 45, 47, 48, 50, 51, 53
A0 – A10
DQ0 – DQ15
D-RAM
IC507
TABLE
CD SERVO
B
TRAY
SECTION
O/C
(Page 25)
CD SERVO
D
SYS RST
SECTION
(Page 25)
x a o
y
. i
http://www.xiaoyu163.com
FROM IC505 (1/2)
AUDDTO0
201
CD SERVO
SECTION AUDBCK 203
AUDLRCK 204
AUDXCLKO 205
GPIO14
30
GPIO13 29
GPIO11 26
GPIO12 28
6
CPSIG
70 76 77 78 13 14 15 19 18 16
B.P.F.
98 99 100 95 96 97
Q Q
3 7 6
38 20 15 39
O-VIDEO-MUTE 7
JK802
SYSTEM CONTROLLER
MIC
IC601 (1/3)
TABLE
73 I-CD NUM SENSER
TRAY
20 I-CD ENCODER
O/C
21 I-CD OPEN/CLOSE
93 O-XRES
WFR/HP/MIC-IN 19
u 1 6 3
26 26
http://www.xiaoyu163.com
2 4
8 9 9
+3.3V
REGULATOR CD +5V
Q581
5 6
2 DATA VOUTL 7
LOW-PASS
1 BCK FILER
IC102
3
LRCK VOUTR 8
16 MLCK
DATA
13
14 CLK
DIGITAL FILTER,
15 LAT D/A CONVERTER
IC504
VIDEO AMP VIDEO SELECTOR
IC307
SYNC BUFFER
3 IN OUT 6 1
Q301
OUTSAG 5
3
3 1 5 1 5 0 8 9 2
STBY
2
VIDEO MUTING
CONTROL SWITCH
Q370
VR801
MIC LEVEL
MIC +10V
MIC AMP MIC AMP
IC801 (1/2) IC801 (2/2)
MUTING MIC AGC ECHO AMP
Q802 Q801 IC802
MIC DETECT
Q372
+
m
c o
.
2
8 9 9
MAIN
CD L E
SECTION
(Page 27)
R-CH
MUTING
Q306
R-CH
MUTING
CONTROL
Q304, 305
MAIN
F
CD MUTING
SECTION
(Page 27)
DATA
CD SERVO
C
CLK
SECTION
LD
(Page 25)
IC803
J803
VIDEO
7
OUT
4 9 8 2 9 9
2
J805 (1/2)
GAME
VIDEO
INPUT
PANEL/POWER
G
VIDEO SW
SECTION
(Page 28)
MAIN
H
MIC
SECTION
(Page 27)
VR802
ECHO LEVEL
MAIN
I
HP CTL
SECTION
(Page 27)