Sony CX-LFA600 / XR-FA600 Service Manual ▷ View online
29
29
CX-LFA600
7-10. SCHEMATIC DIAGRAM – FRONT SECTION –
0
0.3
0.3
0
5.0
5.1
5.2
5.1
5.1
0
0
5.8
9.0
9.8
3.0
8.3
2.4
3.0
0.5
5.2
5.2
5.1
0
0
5.5
5.0
5.5
0
5.0
0
1.9
1.0<10.1>
10.2<9.4>
0.2<0.2>
10.2<10.2>
10.2
<10.2>
10.2<10.2>
10.2<5.0>
0<0.1>
0
3.8
0
0
4.6
0
4.6
0
0
0
0
4.6
3.4
3.1
4.7
NO.
VOLTAGE CHART
IC601
IC601
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
VOLT
0
0
0
0
0
10.2
0
0
0
0
0
5.0
0
0
0
5.1
1.8
2.6
1.8
2.6
0
2.4
2.5
5.0
5.1
5.1
5.1
5.1
5.1
2.5
5.0
5.1
5.1
5.1
5.1
5.1
–
1.9
2.8
2.8
NO.
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
VOLT
5.5
0.2
0.2
0
5.1
–
–
–
–
–
–
–
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-28.7
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-28.7
5.1
-22.0
-29.0
-32.7
-29.0
-32.7
0
NO.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
VOLT
0
-15.1
-14.5
-15.1
-15.2
-14.5
-15.1
-15.2
-8.6
-8.1
-8.1
-21.6
-29.0
-29.0
-29.0
-29.0
-8.4
-25.4
-25.4
-29.0
-29.3
-29.0
-25.4
-29.0
-29.3
-29.0
0
4.6
0
0
0
0
0
5.0
5.0
0.3
1.0
5.0
0.3
1.0
NO.
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VOLT
4.8
0
4.8
4.9
4.9
0
0.4
4.8
4.8
–
0
0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0
5.0
0
0.5
0.1
4.6
1.7
4.6
5.0
0.1
4.6
1.7
4.6
5.0
0
4.6
4.8
4.8
0
0
0
10.2
10.2
3.9
3.9
5.2
5.1
4
5
No mark:CD stop
< >:TAPE play
< >:TAPE play
CLOSE
OPEN
+
-
MTZJ-T
-72-8.2C
BCF-E2
MTZJ-T-
72-8.2C
G
-TP
MTZJ-T
-82-7.2C
L-TE85R
L-TE85R
V
10
10
10
10
4.7
100
68K
100
1K
100P
100P
100P
100P
100P
TC
AF
50V
-TP
MTZJ-T-72-8.2C
MTZJ-T-72-
8.2C
MTZJ-T-72-
8.2C
L-TE85R
220
4.7K
0.45uH
27
-T146
50V
2SA1296GR-(TPE2)
A-T146
MTZJ-T-72-8.2C
RPM
50V
SLR-342VCT31
10
52C4-E
IC606
IC605
IC604
IC603
IC602
FRONT BOARD
TO
MAIN
BOARD
CN105
(Page 26)
C
TO
MAIN
BOARD
CN106
(Page 26)
D
LOADING
BOARD
BOARD
TAPE
MECHANISM
DECK
MECHANISM
DECK
REMOTE CONTROL
RECEIVER
ECO
IC601
SYSTEM CONTROLLER
MOTOR DRIVER
RESET
IC B/D
LEVEL SHIFT
SHIFT REGISTER
IC B/D
FLUORESCENT INDICATOR TUBE
M901
(LOADING)
S1
(LEAF)
POWER SWITCH
POWER CONTROL
+5V REG
+5V REG
+5V REG
RESET SWITCH
SWITCH
MOTOR DRIVER
MOTOR DRIVER
T SOL DRIVER
NOTE:
RXXX
CD
u
TUNER
BAND
TAPE
Y
AUX
OPEN/
CLOSE
STOP
x
+>
M
-.
m
REC START
REC PAUSE
REC PAUSE
SYNCRO
REC
ECO
RDS
POWER
1
STANDBY/ON
BASS
TREBLE
VOLUME
• See page 19 for Waveforms.
• See page 34 for IC Block Diagrams.
30
30
CX-LFA600
7-11. PRINTED WIRING BOARD – POWER SECTION –
7-12. SCHEMATIC DIAGRAM – POWER SECTION –
PT BOARD
1-860-321-
TO
MAIN BOARD
CN901
(Page 24)
E
AC IN
1
7
8
1
4
4
3
2
1
5
9
17
POWER TRANSFORMER (MAIN)
SUB POWER TRANSFORMER
*
*
Not replaceable :
Built in transformer
T-72
T3.15AL/250V
TO
MAIN
BOARD
CN901
(Page 26)
E
POWER
TRANSFORMER
(MAIN)
SUB TRANSFORMER
AC IN
PT BOARD
• See page 18 for Circuit Boards Location.
31
CX-LFA600
• IC Block Diagrams
IC101
CXD3068Q
IC102
AN41020A
– BD Board –
1
67
68
65
66
63
64
61
62
75
76
73
74
79
80
77
78
71
72
69
70
34
33
36
35
38
37
40
39
26
25
28
27
22
21
24
23
30
29
32
31
2
3
4 5 6 7
8 9
10 11 12 13
14 15 16 17
18
19 20
60 59 58
57
56
55 54 53 52
51
50 49 48
47
46 45 44 43 42 41
DVDD0
XRST
D
ATA
XLA
T
CLOK
SENS
WFCK
XUGF (RFCK)
XPCK
GFS
C2PO
SCOR
C4N
WDCK
XTSL
EMPH
DVSS2
DVDD2
ASYE
MD2
DOUT
XTAI
LRCK
PCMD
BCLK
XTAO
SOUT
SOCK
XOLT
SQCK
SCSY
SBSO
EXCK
SQSO
COUT
MIRR
DVSS
SCLK
A
TSK
MUTE
ADIO
AV
SS0
IGEN
AV
D
D
0
AV
SS1
AV
D
D
1
BIAS
RFDC
CE
TE
PCO
FILI
FILO
CL
TV
RF
AC
ASYI
ASYO
VPCO
V16M
VCTL
MDP
SSTP
FSTO
DVDD1
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
DVSS1
TEST
TES1
VC
FE
SE
LOCK
PWMI
FOK
DFCT
INTERFACE
SERVO
MIRR
DFCT
FOK
SERVO
FOCUS
SERVO DSP
SERVO
SERVO
SLED
TRACKING
FOCUS PWM
GENERATOR
GENERATOR
GENERATOR
GENERATOR
SLED PWM
TRACKING PWM
A/D
CONVERTER
OPAMP
ANALOG SW
PWM GENERATOR
SERVO BLOCK
CLOCK
GENERATOR
ASYMMETRY
CORRECTOR
CORRECTOR
DIGITAL
PLL
CPU
INTERFACE
INTERFACE
CORRECTOR
PROCESSOR
SUB CODE
RAM
32K
DEMODURATOR
EFM
ERROR
D/A
DIGITAL
OUT
INTERFACE
SERVO
AUTO
DIGITAL
CLV
1
2
3
4
5
6
7
9
8
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
51
52
53
54
55
56
16
17
18
19
20
15
14
13
12
11
10
PGND1
PGND1
DIRECTION
DETECTION
DIRECTION
DETECTION
RESET CIRCUIT
.STANDBY
.BAND-GAP
.SVCC
DIRECTION
DETECTION
DIRECTION
DETECTION
PVCC/2
PVCC/2
PVCC/2
PVCC1
PVCC1
VO2+
VO1+
VO1-
IN1+
IN1-
OPO1
OPO2
SGND
IN2+
IN2-
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VO2-
PGND2
PGND2
ST
ANDBY
PVCC2
PVCC2
VO3-
VO4-
VO4+
VREF
IN4
IN4R
IN3+
SVCC
OPO3
IN3-
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VO3+
32
CX-LFA600
IC103
CXA2647N-T4
ROM/RW
ROM/RW
RF OFF AT VCC
VOFST
VOFST
DVC
VC
VC
VC
ROM/RW
VC
VC
30
29
28
+
–
+
–
VC
VCC
DVC
27
26
25
24
ROM/RW
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
ROM/RW
VC
ROM/RW
DVC
+
–
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
ROM/RW
DVC OR Hi-Z
SLEEP, APC OFF
VOFST
VC
ROM/RW
+
–
10
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDC
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
VC
+
–
VC
+
–
11
GM
F
GM
ROM/RW
(L/H)
VOFST
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