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HCD-RV7/RV8
23
23
7-2.
BLOCK DIAGRAM – AUDIO/VIDEO CD Section –
• SIGNAL PATH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
D0 – D15
D0 – D15
A0 – A10
A0 – A10
18
201
203
204
205
A0 – A10
D8 – D15
D0 – D7
ADDRESS BUS
DATA BUS
B.P.F.
B.P.F.
C AMP
IC303
Y AMP
IC304
• R-ch is omitted due to same as L-ch.
CD L-CH
DATA, CLK, LD
SHARPNESS,
HUE
V SW
R-CH
2, 4, 5, 7, 8, 10, 11, 13, 42,
16
17
20
38
15
39
123
110
103
108
112
125
115
132
120
106
DATA
BCK
LRCK
C2PO
DATA, BCK,
LRCK, C2PO
DATA
CLOK
XLAT
SENS
SCOR
SQSO
SQCK
SCLK
GFS
FOK
XRST
DATA, CLOK, XLAT, SENS,
SCOR, SQSO, SQCK,
SCLK, GFS, FOK, XRST
CONT
SYSRST
+3.3V
REGULATOR
Q581
CD D+5V,
CD A+5V
DATA
CLK
LD
SDO
SDI
SCK
SCS
SOK
SRQ
VIDEO
LEVEL
RV501
VIDEO AMP
IC307
Y SYNC BUFFER
Q302
SYNC BUFFER
Q301
+
2
VIDEO MUTING
CONTROL SWITCH
Q370
VIDEO SELECT SWITCH,
VIDEO AMP
IC781
2
J601(1/2)
J401
VIDEO OUT
GAME
INPUT
VIDEO
HUE
SHARPNESS
V MUTE
SDO, SDI, SCK,
SCS, SOK, SRQ
X502
27MHz
: GAME INPUT (VIDEO)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299