Sony HCD-XGR90AV / LBT-XGR90AV Service Manual ▷ View online
HCD-XGR90AV
46
46
VOLTAGE SELECTOR
120V
220V
220-240V
(CHASSIS)
RY901
C901
CN901
1
2
JW942
AUS
AUS
AUS
AUS
AUS
E
E
E
E
CN902
S901
JW
9
44
JW
9
45
JW
948
JW949
JW946
MT901
NO903
T901
SUB
TRANSFORMER
D901
LP901
LP903
JW
950
JW
941
D832
+
–
C893
F961
F962
F963
F964
R953
R951
R952
C834
LP963
LP961
C961
C963
JW971
JW
967
F951
AUS
AUS
E
E
R961
CN952
CN951
JW973
JW975
JW706
JW702
CN905
JW960
JW972
JW972
JW974
JW976
JW976
JW977
JW978
JW979
JW980
JW981
JW982
JW983
JW984
JW985
JW986
TRANS BOARD
11
(11)
1-683-444-
SUB TRANS BOARD
11
(11)
1-683-445-
1
4
M
PA
BOARD
(Page 40)
O
PA
BOARD
(Page 40)
AC IN
T951
POWER
TRANSFORMER
1
2
4
1
2
4
N
PA
BOARD
(Page 40)
1
3
--
*
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
2
3
4
5
A
1
B
C
D
E
F
G
7-25.PRINTED WIRING BOARD – TRANS, SUB TRANS SECTION –
• See page 21 for Circuit Boards Location.
• See page 21 for Circuit Boards Location.
7-26.SCHEMATIC DIAGRAM – TRANS, SUB TRANS SECTION –
C893
C834
CN901
R953
C963
C961
CN952
JW971
CN951
JW941
JW944
JW949
D832
RY901
D901
C901
NO903
S901
F962
F961
CN905
CN902
JW946
JW942
JW945
JW948
JW967
R951
R952
F951
F963
F964
0.1
100
0.1
100
2P
AMP
0.1
10000p
10000p
EH
VH-3P
D5SBA20
STANDBY
RELAY
9V
1SS133T
0.01
250V
250V
T8.0AL
250V
T8.0AL
250V
33
33
T6.3AL
250V
T6.3AL
250V
T6.3AL
250V
VF
VF
AC IN
AC12V
AC12V
PRI-GND
AC7V
AC7V
AC-L
P-GND
AC-L
S-GND
STBY_RY
+9V
+9V
AC_IN
AC_IN
120V
230V
NEUTRAL
*
AC-H
AC-H
P-GND
230V
NEUTRAL
120V
230V
230V
240V
240V
POWER
TRANSFORMER
T951
BUILT IN TRANSFORMER
NOT REPLACEABLE:
*
TRANSFORMER
T901
SUB
VOLTAGE SELECTOR
120V
220-240V
220V
2P
4P
E
AUS
E
AUS
AUS
E
2P
4P
AUS
E
AUS
AUS
AUS
E
E
AUS
E
AUS
47
HCD-XGR90AV
T331
5
r
WAVEFORMS
1
IC501
qa
XC-OUT
2
3
IC501
qd
X-OUT
T331
4
4
– MAIN BOARD –
– BD BOARD –
IC101
el
FE
1
IC101
ra
TE
2
IC101
rd
RFDC
3
IC101
yj
XTAO
4
– PANEL FL BOARD –
IC601
is
X OUT
1
3.0Vp-p
32KHz
VOL/DIV
: 1V AC
TIME/DIV : 10µsec
VOL/DIV
: 1V AC
TIME/DIV : 50nsec
2.0Vp-p
16MHz
240Vp-p
13µsec
VOL/DIV
: 50V AC
TIME/DIV : 10µsec
TAPE REC only
VOL/DIV
: 50V AC
TIME/DIV : 10µsec
TAPE REC only
64Vp-p
13µsec
4MHz
2.4Vp-p
VOL/DIV
: 1V AC
TIME/DIV : 0.2µsec
VOL/DIV
: 0.1V AC
TIME/DIV : 1msec
VOL/DIV
: 0.2V AC
TIME/DIV : 0.2msec
VOL/DIV
: 0.2V AC
TIME/DIV : 0.5µsec
VOL/DIV
: 0.2V AC
TIME/DIV : 50nsec
0.15Vp-p
0.4Vp-p
0.62Vp-p
0.8Vp-p
16.9344MHz
48
HCD-XGR90AV
7-27. IC PIN FUNCTIONS
1
SOSQ
O
Sub-Q serial output
2
SQCK
I
Clock input for SQSO read-out
3
XRST
I
System reset
4
SYSM
I
Muting input
5
DATA
I
Serial date input,supplied from CPU
6
XLAT
I
Latch input,supplied from CPU
7
CLOK
I
Serial date transfer clock input,supplied from CPU
8
SENS
O
SENS output
9
SCLK
I
SENS serial data read-out clock
10
VDD
—
Power supply (+3.3V)
11
ATSK
—
Input pin for anti-shock (Ground)
12
SPOA
—
Ground
13
SPOB
—
Ground
14
XLON
O
Not used (open)
15
WFCK
O
Not used (open)
16
XUGF
O
Not used (open)
17
XPCK
O
Not used (open)
18
GFS
O
Not used (open)
19
2SPO
O
Not used (open)
20
SCOR
O
Sub-code sync output
21
COUT
I/O
Not used (open)
22
MIRR
I/O
Not used (open)
23
DFCT
I/O
Not used (open)
24
FOK
I/O
Not used (open)
25
LOCK
I/O
Not used (open)
26
MDP
O
Output to control spindle motor servo
27
SSTP
I
Input signal to detect disc inner most trak
28
SFDR
O
Sled drive output
29
SRDR
O
Sled drive output
30
TFDR
O
Tracking drive output
31
TRDR
O
Tracking drive output
32
FFDR
O
Focus drive output
33
FRDR
O
Focus drive output
34
VSS
—
Ground
35
TEST
I
TEST pin (connected to ground)
36
TES1
I
TEST pin (connected to ground)
37
XTSL
I
X’tal selection circuit input (connected to ground)
38
VC
I
Center voltage input
39
FE
I
FOCUS error signal input
40
SE
I
Sled error signal input
41
TE
I
Tracking error signal input
42
CE
I
Center servo analog input
43
RFDC
I
RF signal input
44
ADIO
O
Not used (open)
45
AVSS0
—
Analog ground
46
IGEN
I
Power supply pin operational amplifiers
47
AVDDO
—
Power supply (+3.3V)
48
ASYO
O
EFM full swing output
49
ASYI
I
Asymmetry comparator voltage input
50
BIAS
I
Asymmetry circuit constant current input
51
RFAC
I
EFM signal input
52
AVSS3
—
Ground
Description
Pin Name
Pin No.
I/O
• IC101 DIGITAL SIGNAL PROCESSOR (CXD3017Q) (BD Board)
49
HCD-XGR90AV
53
CLTV
I
Control voltage input for master VCO
54
FILO
O
Filter output for master PLL
55
FILI
I
Filter input for master PLL
56
PCO
O
Chage-pump output for master PLL
57
AVDD3
—
Powr supply (+3.3V)
58
VSS
—
Ground
59
VDD
—
Power supply (+3.3V)
60
DOUT
O
CD data output
61
LRCK
O
Not used (open)
62
PCMD
O
Not used (open)
63
BCK
O
Not used (open)
64
EMPH
O
Not used (open)
65
XVDD
—
Power supply (+3.3V)
66
XTAI
I
X’tal oscillator circuit input (16.9344MHz)
67
XTAO
O
X’tal oscillator circuit output (16.9344MHz)
68
XVSS
—
Ground
69
AVDD1
—
Power supply (+3.3V)
70
AOUT1
O
Lch : Analog output
71
AIN1
I
Lch : OPAMP input
72
LOUT1
O
Lch : LINE output
73
AVSS1
—
Ground
74
AVSS2
—
Ground
75
LOUT2
O
Rch : LINE output
76
AIN2
I
Rch : OPAMP input
77
AOUT2
O
Rch : Analog output
78
AVDD2
—
Power supply (+3.3V)
79
RMUT
O
Not used (open)
80
LMUT
O
Not used (open)
Description
Pin Name
Pin No.
I/O
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