Sony CX-LEMV300 / XR-EMV300 Service Manual ▷ View online
33
33
CX-LEMV300
6-15. SCHEMATIC DIAGRAM – POWER BOARD –
• See page 36 for IC Block Diagrams.
TG502
IC502
C506
C509
C517
C522
C523
D501
R505
R501
R502
R503
R504
R507
R509
R511
R512
R513
R514
R515
R526
R527
R528
R517
R518
R519
C521
R506
D772
D771
L501
FB772
FB773
IC501(1/2)
Q508
R516
C511
C543
J502
CN771
FB771
C771
C772
C773
S771
J771
CNP505
CN502
C531
EP501
C501
C503
Q501
C504
C502
IC501(2/2)
C505
C507
R508
C508
R510
C554
C510
C524
C525
C526
C527
C520
C519
C518
C516
C515
C514
C513
C512
CNP501
CN504
D912
D924
D923
D906
CN902
R906
JW913
CNP901
PT252
C902
T901
D907
D909
D910
D908
C911
C915
R907
RY251
S901
BU9262
47 25V
10 50V
1
50V
47
25V
0.47
50V
MTZJ-T-72-5.1B
100
1/4W
4.7k
100k
2.2k
100k
6.8k
1k
33k
1k
100
150k
330k
22k
1M
330
2.2k
2.2k
2.2k
0.33
50V
270k
1SS133T-77
1SS133T-77
0UH
0UH
NJM14558MD-TE2
2SC3052F-T1-LF
150
1/4W
47
25V
0.1
4P
75
0.1
0.1
0.1
2P
2P
0.1
EARTH TERMINAL
0.0047
10
50V
2SK2158-T2
47
25V
0.22
50V
NJM14558MD-TE2
10p
68p
22k
10p
10k
820p
0.1
50V
50V
0.1
0.0022
0.01
0.01
0.01
0.0022
0.01
150p
150p
100p
100p
100p
3P
5P
1N4002B
1SS133
T-77
1N4002B
1SS133
T-77
3P
1.5k
1/4W
JW
10P
0.1
1SS133
T-77
1SS133
T-77
1SS133
T-77
1SS133
T-77
0.022
0.022
100
1/2W
34
34
CX-LEMV300
6-16. IC BLOCK DIAGRAMS
— BD Board —
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+
IC102 AN41020A
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
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
A
VSS0
IGEN
A
VDD0
A
VSS1
A
VDD1
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
IC101 CXD3068Q
35
CX-LEMV300
— MAIN Board —
IC302 BD3882FV
IC303 LA4628
REC-O_L
REC-O_R
TUNER-R
TUNER-L
CD-L
A
UX-L
OUT
-L
OUT
-R
T
ON_L-L
T
ON_L-R
A
UX-R
CD-R
VSS
T
ON_H-R
T
ON_H-L
T
APE-L
T
APE-R
IN1
FILTER
S-TIME
IN2
PREGND
ST-BY
VCC
-OUT1
PWGND1
+OUT1
PWGND2
-OUT2
+OUT2
OVER VOLTAGE/
SURGE PROTECTOR
THERMAL
SHUT DOWN
BIAS
CIRCUIT
RIPPLE
FILTER
POP NOISE
PREVENTION
CIRCUIT
STANDBY
SW
VCC
OUTPUT PIN TO VCC
SHORT PROTECTOR
LOAD SHORT
PROTECTOR
PREDRIVER
POWER
POWER
PREDRIVER
+
–
IN
OUTPUT PIN TO VCC
SHORT PROTECTOR
OUTPUT PIN TO VCC
SHORT PROTECTOR
LOAD SHORT
PROTECTOR
PREDRIVER
POWER
POWER
PREDRIVER
+
–
IN
OUTPUT PIN TO VCC
SHORT PROTECTOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
36
CX-LEMV300
— VCD Board —
IC805 BH2220FVM-TR
— MIC/ECHO Board —
IC502 BU9262AFS
R-2R
DAC
8bit REG
+
DEC
R-2R
DAC
8bit REG
+
DEC
SERIAL
INTERFACE
R-2R
DAC
8bit REG
+
DEC
POWER ON
RESET
1
AO1
2
AO2
7
CLK
3
AO3
4
VCC
8
LD
6
DI
5
GND
CONTROL
CLOCK
LPF
LPF
RAM
ADC
DAC
PROCESSING
FBVOL
RESET
TEST
MODE
OUTPUT
MODE
OUTPUT
DLYVOL
INPUT
MIXER
SELECTOR
OUTPUT
MIXING
REFERENCE
VOLTAGE
SERIAL
CONTROL
CIRCUIT
TEST MODE
NEGATIVE LOGIC
INPUT
NEGATIVE LOGIC
INPUT
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