Sony CX-LFA700 / XR-FA700 Service Manual ▷ View online
33
33
CX-LFA700
6-16. Schematic Diagram – Power Section –
D084
D085
D083
C087
RY081
D081
PT081
D082
CN082
C081
C085
JW087
JW088
JW086
JW085
CN081
PT001
C086
1SS355-
TE-17
1SS355-
TE-17
1SS355-
TE-17
0.0022
250V
E
AC9V
G5PA-1-M
1SS355-
TE-17
1SS355-
TE-17
2P
470
25V
25V
0.1
50V
50V
F
0
0
0
0
9P
0.1
50V
50V
F
28
34
34
CX-LFA700
• IC Block Diagrams
IC501
AN22002A
– CD Board –
IC551
BA5813FM
IC601
M61518FP
– MAIN Board –
32
A
AMP
RFDET
31
C
GCA
BCA
30
B
AMP
29
D
GCA
BCA
AMP
27
E
GCA
BCA
AMP
28
F
17
VREF
CEA
3TOUT
RFDET
FEN
FEOUT
TEN
TEOUT
TEBPF
VDET
LD
PD
GCA
BCA
RF EQ
AGC
BDO
OFTR
3TENV
SUB
SUB
VDET
2
1
20
21
18
24
26
25
16
3
19
23
22
10
15
9
4
5
6
7
8
11
12
13
14
GCTL
TBAL
FBAL
GND
VCC
RFN
RFOUT
RFIN
CAGC
ARF
COFTR
OFTR
CBDO
BDO
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OPEN
CLOSE
LDCONT
MUTE1
SL-IN
SP-IN
PR
VCC
O-OP
O-SP-
O-SP+
O-SL-
O-SL+
PWVCC
O-CL
BIAS
R
VCC
REG-B
REG-P
RGND
TE-IN
FE-IN
GND
O-FE-
O-FE+
O-TE-
O-TE+
MUTE2
PWVCC
10K
10K
10K
10K
10K
10K
21K
16K
10K
10K
10K
10K
10K
10K
10K
7.5K
5K
10K
10K
10K
LEVEL
SHIFT
SHIFT
CH2-CH4
MUTE
LEVEL
SHIFT
SHIFT
LEVEL
SHIFT
SHIFT
LEVEL
SHIFT
SHIFT
10K
10K
CH1
MUTE
LOADING PRE
FWD
REV
VBG
POWVcc3,4
(CH3,CH4)
(CH3,CH4)
POWVcc1,2
(CH1,CH2)
(CH1,CH2)
X3
PREVcc
PB-N(L)
PB-P(L)
PB-P(R)
PB-OUT(R)
PB-OUT(L)
VOL-IN(L)
VOL-IN(R)
GND
TRE-I(L)
TRE-O(L)
MID-I(L)
MID-O(L)
MID-I(R)
MID-O(R)
VDD
TRE-I(R)
TRE-O(R)
VEE
CONT
BASS-I(L)
BASS-O(L)
BASS-I(R)
BASS-O(R)
OUT(L)
OUT(R)
A-IN(R)
A-IN(L)
B-IN(R)
B-IN(L)
C-IN(R)
C-IN(L)
REC-O(R)
REC-N(R)
REC-N(L)
REC-O(L)
PB-N(R)
35
CX-LFA700
IC861
BU1920FS
STANDARD
FREQUENCY
CLOCK
EIGHT DIMENSLONS
CAPACITORS FILTER
CAPACITORS FILTER
MUX
RESET
T2
VDD
ARI
QUAL
RDATA
RCLK
T57
CMP
VREF
F0
VSS
T1
XO
XI
TEST
CIRCUIT
PLL
57 KHz
RDS/ARI
PLL
1187.5 Hz
DIFFERENTIAL
DECODER
BI-PHASE
DECODER
DECODER
1
2
3
4
5
6
7
8
10
9
11
12
13
14
15
16
36
CX-LFA700
6-17. IC Pin Function Description
IC601 MN6627482WA DSP, D/A Converter (CD Board)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
O
I
I
O
I
I
I
O
–
–
O
O
–
I
O
I
–
–
O
O
–
O
O
O
O
O
I
O
O
I
I
I
I
I
I
I
I
O
I/O
–
–
I
I
I
I/O
I/O
I/O
I
Description
Bit clock output for SRDATA (not used (open))
Distinction L and R signal output (not used (open))
Serial data output (not used (open))
Power supply terminal for digital circuit
Ground terminal for digital circuit
Digital audio interface output signal
Microcomputer command clock input (Data is latched at starting edge)
Microcomputer command data input
Microcomputer command load signal input. Load at “L”.
Sense signal output (OFT, FESL, NACEND, NAJEND, SFG)
Not used (open)
Not used (open)
Sub-code block clock signal (fBLKCK= 75Hz)
Focus down output
Not used (open)
Muting input. Muted at “H”.
Status signal (CRC, STCNT, CLVS, TTSTOP, JCLVS, SQOK, FLAG6, SENSE/FLOCK/TLOCK,
Rotation speed data, FCLV, SUBQ, SYFLG)
Reset input signal. (Reset at “L”)
Not used (open)
Not used (open)
Traverse compulsion sending output. 3-State.
Traverse drive output
Not used (open)
Spindle motor drive signal (Compulsion mode output) 3-State.
Spindle motor drive signal (Servo signal error output)
Kick pulse output. 3-State.
Tracking drive output
Focus drive output
DA output part (TVD, ECS, TRD, FOD, FBAL, TBAL, TOFS) Reference voltage
Focus balance adjustment output
Tracking balance adjustment output
Focus error signal input (Analog input)
Tracking error signal input (Analog input)
RF envelobe signal input (Analog input)
Vibration detection signal input. Detection at “L”.
Off track signal input. Off track at “H”.
Track cross signal input (Analog input)
RF detection signal input. Detection at “L”.
Drop out signal input. Drop out at “H”.
Laser ON signal output. ON at “H”.
Terminal for switching for PLL loop filter character
Not used (open)
Not used (open)
RF signal input
Standard current input terminal
Bias singal for DSL
Loop filter signal for DSL
Loop filter signal for PLL
Loop filter signal for VCO
Power supply terminal for analog circuit (for output parts of DSL, PLL, DA and for AD)
Pin Name
BCLK
LRCK
SRDATA
DVDD1
DVSS1
TX
MCLK
MDATA
MLD
SENSE
FLOCK
TLOCK
BLKCK
FODOWN
SUBQ
DMUTE
STAT
RST
SMCK
PMCK
TRV
TVD
PC
ECM
ECS
KICK
TRD
FOD
VREF
FBAL
TBAL
FE
TE
RFENV
VDET
OFT
TRCRS
RFDET
BDO
LDON
PLLF2
TOFS
WVEL
ARF
IREF
DRF
DSLF
PLLF
VCOF
AVDD2
Click on the first or last page to see other CX-LFA700 / XR-FA700 service manuals if exist.