Read Sony CX-LFA880 Service Manual online
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12
CX-LFA880
CX-LFA880
1-2. BLOCK DIAGRAM — MPEG SECTION-1 —
• Signal Path
: DVD(RF)
: DVD(DIGITAL)
: DVD(AUDIO)
U707
AV DECODER
SERVO CONTROLLER
HOST INTERFACE
U709
RF AMP
FOCUS/TRACKING
ERROR AMP
EFNINP
10
EFNINN
12
LDON2
172
LDON1
171
PREC
4
RFPH
5
RFBH
6
BHC
19
TE
7
TEC
21
FE
8
WO
20
LDON1
171
LDON2
172
XHTR
170
FO
25
RST
26
DEFECTO
168
TBAL
27
FBAL
28
SGC
29
TSTD1
23
TSTDO
24
DVD CD
167
AD1
1
VREF
22
AD0
2
SLCO
30
SPDO
31
TDO
32
HDA
T1-7
HADR0-12
FG (PP1)
SPD FG
HA0-12
HA0-7
INT DEC
RDY
LSI RST
RD
WR
SC DVD
BE01
36
HIROB
37
HW
AITB
38
HRESB
39
HRDB
40
HWRD
41
HCSB
42
HDA
TO
43
SDO
33
X16MIO 137
C2F 84
ROMXA 85
ROMCK 86
LRSY 87
AVRAOI 91
AVACKO 92
AVDACK 93
AVSCTB 94
AVERRB 95
DO0T
DO0T
142
AVD0-7
MOEB 76
MA10 75
MCASUB 77
MA0-8
MRAS1B 61
MWEB 60
XIN 134
XOUT 135
MD8-15
MD0-7
46-53
54-59,78-83
96
-
103
62-65
68-72
68-72
145-148
150-153
156-159
161-164
150-153
156-159
161-164
Y701
16.9344Mz
CASH
28
OE
27
CASL
29
A0-8
RAS
14
WE
13
IO8-15
IO0-7
16-19
22-26
22-26
31-34,
36-39
2-5,
7-10
U708
S-RAM
DFFR
DBGN
DCLK
DACK
DRFO
LRCK
BCK
CD DATA
C2F
AMCLK
DATA&ADDRESS BUS
RFOP
55
RFON
54
LDON2
22
LDON1
21
RREC
38
PH
47
BH
46
TE
40
FE
39
WO
41
LDON1
21
LDON2
22
XHTR
31
FC
34
RST
33
TH
30
TEBL
36
FEBL
35
SGC
32
DVD/CD
26
GU
25
DVD/TE
27
CP
37
CAP
1
PD2
5
PD1
4
PD4
7
PD3
6
TIN2
14
TIN1
13
FIN1
9
FIN2
10
DVD/CD
26
DPD/TE
27
LDS1
16
LDS2
18
LDD1
15
LDD2
17
55
CAO 62
PFP
61
55 RFN
59
Q711,712
VR CONTROLLER
(CD)
Q710
CD/DVD
SELECTOR
Q713
VR CONTROLLER
(DVD)
Q714
POWER
CONTROLLER
(DVD)
Q715
POWER
CONTROLLER
(CD)
VIN1-B 18
VIN1+A 17
VIN1+B 19
VIN2+ 22
VIN3+ 25
VREF-IN 30
VIN4+ 31
VIN2- 21
VIN4- 32
VIN3- 24
5
6
7
U705(2/2)
AMP
VOL3+
8
VOL3-
9
VOL4+
7
VOL4-
6
VOL0+
5
VOL0-
4
VOL1-
13
VOL1+
12
VOL2+
10
VOL2-
11
U705(1/2)
AMP
2
3
1
FWD
OPN
CLS
1
REW
2
OPEN SW
TOP
TCL
CLOSE SW
MLD2
MLD1
SLED+
SLED-
SP+
SP-
F-
OPTICAL
PICK-UP
F+
T+
T-
F-
F+
T+
T-
A
B
C
D
E
F
CD/DVD
VR-CD
VR-DVD
MD
LD-DVD
LD-CD
F-
F+
T+
T-
MPEG2
SECTION
MPEG2
SECTION
MPEG2
SECTION
MPEG2
SECTION
MPEG2
SECTION
PANEL POWER
SECTION
PANEL POWER
SECTION
U706
MOTOR
DRIVER
DRIVER
H
E
I
J
G
D
C
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