Sony HCD-LX10AV / HCD-LX90AV / HCD-LX9AV / LBT-LX10AV / LBT-LX90AV / LBT-LX9AV Service Manual ▷ View online
49
49
HCD-LX9AV/LX10AV/LX90AV
7-28.
SCHEMATIC DIAGRAM – TRANS/SUB TRANS Boards –
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
line with mark 0 are critical for safety.
Replace only with part number specified.
(Page 45)
(Page 45)
(Page 45)
(LX10AV: E, EA, MY, SP,
AR, AUS, MX)
50
50
• IC Block Diagrams
– BD Board –
– BD Board –
IC101
CXD2587Q
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTION
CORRECTION
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
IC103
CXA2568M-T6
APC PD AMP
APC LD AMP
RF SUMMING AMP
RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50
µA
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
+
–
–
VCC
+
–
–
+
–
–
+
–
–
+
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
51
– CD MOTOR Board –
IC201
TA8409S
– AUDIO Board –
IC602
µPC1330HA
1
2
3
4
5
6
7
8
9
HEAT
CUT OFF
BLOCK
STANDBY
BLOCK
VREF
BLOCK
IN2
VCC
OUT2
NC
GND
VS
OUT1
VREF
IN1
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
– MAIN Board –
IC181
MC14052BF
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2X0
X2
VDD
X1
XCOM
X0
X3
A
B
VSS
VEE
INH
2X1
2X3
2XCOM
2X2
– PANEL FL Board –
IC603
BA3830F
F01
R02
R01
LINE NF
LINE IN
REFERENCE
CURRENT
REFERENCE
CURRENT
RESET
BAND
PASS
FILTER
DET
17
RESET
18
F02
16
F03
15
F04
14
F05
13
F06
12
REC LEVEL
11
VCC
10
4
3
2
1
+
–
REC NF
REC IN
6
RESET C
7
BIAS C
8
GND
9
5
+
–
52
7-23.
IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC501 M30622MA-A26FP
Pin No.
Pin Name
I/O
Function
1
POWER
O
Power amp ON/OFF signal output
2
POWER
O
Power ON/OFF signal output
3
F-RELAY
O
Front speaker relay control output
4
REAR-RELAY
O
Rear speaker relay control output (Not used)
5
CD-POWER
O
CD power on signal output
6
LINE-MUTE
O
Line mute signal output
7
DBFB-H/L
O
DBFB H/L select signal output
8
—
—
Connected to ground
9
—
—
Connected to ground
10
XC-IN
I
X’tal (32.768 KHz) (SUB CLOCK)
11
XC-OUT
O
12
RESET
I
System reset signal input
13
X-OUT
O
X’tal (16MHz) (MAIN SYSTEM CLOCK)
14
VSS
—
Ground
15
X-IN
I
X’tal (16MHz) (MAIN SYSTEM CLOCK)
16
VDD
—
Power supply (+5V)
17
NMI
I
Not used
18
WAKE UP
I
WAKE UP signal input
19
SCOR
I
CD Q-data request signal input
20
RDS-INT
I
RDS data interrupt input
21
RDS-DATA
I
RDS data interrupt input
22
AC-CUT
I
AC cut ON (L)/OFF (H) check
23
PL-CLK
O
Clock output to pro-logic (Not used)
24
PL-DATA
O
Data output to pro-logic (Not used)
25
PL-LAT
O
Latch signal output to pro-logic (Not used)
26
TIMER LED
O
Not used
27
PROTECT
I
Speaker protect signal input
28
V MUTE
O
Video mute signal output
29
IIC-CLK
O
I
2
C SCL
30
IIC-DATA
O
I
2
C SDA
31
—
—
Not used
32
SQ-DATA
I
Subcode Q data clock input (CD data)
33
SQ-CLK
O
Subcode Q data clock output (CD data clock)
34
SW-MODE
O
SW-MODE music/movie select signal output
35
CD-DATA
O
CD data output
36
H/P IN
I
Head phone detect
37
CD-CLK
O
CD clock output
38
493-LAT
O
Latch signal output for IC101 (M62493FP)
39
CLOCK-OUT
O
Clock out signal check
40
NO-USE
—
Not used
41
NO-USE
—
Not used
42
FL OFF
O
Fluorescent indicator tube filament on/off signal output
43
STBY RELAY
O
Main POWER on/off signal output
44
BASS FREQ
O
FREQ high/low signal output (Not used)
45
FUNC SEL 1
O
Function select signal output
46
FUNC SEL 0
O
Function select signal output
47
493-DATA
O
Data signal output for IC101 (M62493FP)
48
493-CLK
O
Clock signal output for IC101 (M62493FP)
49
ST-MUTE
O
Tuner mute signal output
50
STEREO
I
Stereo detection for tuner
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