Read Sony HCD-WZ7AV Service Manual online
19
19
HCD-WZ7AV
– AUDIO/VIDEO Section –
• SIGNAL PATH
: CD
: VIDEO
• R-ch is omitted due to same as L-ch.
: AUDIO
IC508
PROM
IC504
DIGITAL FILTER,
D/A CONVERTER
IC505 (2/2)
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL ENCODER
7
8
LOUT
ROUT
1
2
3
DATA
BCK
LRCK
DRADR0 – DRADR10
DRDAT0 – DRDAT15
D0 – D15
D0 – D15
A0 – A10
A0 – A10
74
18
73 72 68
6
201
203
204
CPSIG
AUDDTO0
AUDBCK
AUDLRCK
16
MLCK
205
AUDXCLKO
14
13
15
DATA
CLK
LAT
30
29
26
GPIO14
GPIO13
GPIO11
28
GPIO12
34 – 37, 39 – 45
49 – 56, 59 – 66
23 – 26, 29 – 34, 22
A0 – A10
12 – 5, 27, 26, 31
D8 – D15
A10 – A17
23, 25, 4, 28, 29, 3, 2, 30
D0 – D7
DQ0 – DQ7
A0 – A9, A18
DQ0 – DQ15
ADDRESS BUS
DATA BUS
IC507
D-RAM
A0 – A10
13 – 15, 17 – 21
WE
24
OE
RAS
CAS
DRCAS
DRRAS
DRWEL
NVOEL
B.P.F.
70 76 77 78
DRDQM1
DRDQM0
DRBS
DRCK
13 14
GPIO1
GPIO0
15 19 18 16
GPIO3
GPIO4
GPIO5
GPIO2
F
MAIN
SECTION
CD SERVO
SECTION
CD-L
D
DATA, CLK, LD
R-CH
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
16
17
20
CLK
BA0
LDQM
38
15
UDQM
39
92
90
87
123
L_CDDATA
L_CDBCK
L_CDLRCK
L_CDC2PO
L_CDC2PO
110
103
108
112
L_DDAT
L_DCLK
L_XLAT
L_SENS
L_SENS
95
125
99
115
L_SCOR
L_SQSO
SQCK
SCLK
SCLK
132
120
106
L_GFS
FOK
XRST
DATA
BCK
LRCK
C2PO
B
DATA, BCK,
LRCK, C2PO
LRCK, C2PO
DATA
CLOK
XLAT
SENS
SCOR
SQSO
SQCK
SCLK
GFS
FOK
XRST
C
DATA, CLOK, XLAT, SENS,
SCOR, SQSO, SQCK,
SCLK, GFS, FOK, XRST
SCOR, SQSO, SQCK,
SCLK, GFS, FOK, XRST
24 GPIO9
CONT
A
CD SERVO
SECTION
CD SERVO
SECTION
CD SERVO
SECTION
CD SERVO
SECTION
81 SYSRST
IF-RESET
SYS RST
SYS RST
E
DATA
CLK
LD
SYS OUT
SYS IN
SYS CLK
SYS CS
SYS OK
SYS RQ
SYS OUT
SYS IN
SYS CLK
SYS CS
SYS OK
SYS RQ
IF-DATA OUT
IF-DATA IN
IF-CLK
IF-CS
IF-OK
IF-RQ
IC307
VIDEO AMP
Q301
BUFFER
6
OUT
5
OUTSAG
3
IN
2
STBY
Q370
VIDEO MUTING
CONTROL SWITCH
J303
VIDEO OUT
J301 (1/2)
DVD INPUT
CENTER
R
L
REAR
WOOFER
207
206
CLKB
CLKA
X502
27MHz
IC102
LOW-PASS
FILER
IC301
SOUND PROCESSOR
IC401 (1/2)
SYSTEM CONTROL
74 LT-IN
FRONT-L
FRONT-R
LT-OUT
RT-OUT
SL
REAR-L
REAR-R
CENTER
SR
C
7
5
IC401
SW
DATA
SCK
REQ
MAIN
SECTION
H
MAIN
SECTION
G
75 RT-IN
77 SL-IN
78 SR-IN
76 C-IN
79
1
2
9
14
3
17
SW-IN
FL-OUT
FR-OUT
SL-OUT
SR-OUT
C-OUT
SW-OUT
22
23
24
PL-DATA
PL-CLK
PL-REQ
V-MUTE
50
27
25
35 36 37 24 26
49
48
SW-MUTE 80
28
VRSWIN
80
VRSW
MAIN
SECTION
I
Q384,385
MUTE
CONTROL
Q381
MUTE
J302
SUB WOOFER OUT
Q386,387
MUTE
DXA-WZ7AV (1/3)
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