Sony HCD-XGR90AV / LBT-XGR90AV Service Manual ▷ View online
45
45
HCD-XGR90AV
7-24.SCHEMATIC DIAGRAM – PROLOGIC SECTION –
C252
C249
C250
R211
C251
R212
C255
C256
C257
C258
C259
C260
C261
R216
R217
L201
100
µ
H
R213
R214
C202
C201
C203
C204
C205
C206
C207
C208
C209
C210
C211
C212
C213
R201
R202
R203
R271
R281
R291
R292
R282
R272
R294
R293
R283
R273
D201
C262
C264
C215
C224
C223
C222
C221
C220
C219
C218
C217
C216
CN201
R206
C247
R210
C248
R208
R207
C245
C244
R205
C242
C225
C226
C227
C228
R204
C229
C230
C231
C232
C233
C234
C235
C237
C236
C240
C241
C243
C246
C238
C239
CN202
CN203
C253
R209
IC201
Q291
Q281
C291
C292
Q271
FL201
C214
220
16
47
16
16
6800p
100k
4.7
50
100k
10
50
10
50
10
50
10
50
10
50
10
50
10
50
10k
10k
100k
100k
10
50
50
10
50
50
0.47
50
0.47
50
0.1
0.1
0.47
50
0.47
50
0.47
50
0.47
50
0.47
50
0.47
50
0.1
100
100
470
2.2k
2.2k
2.2k
100k
100k
100k
1k
10k
10k
10k
1SS355
10
50
50
1000p
0.1
1000p
4700p
0.1
0.22
0.22
0.1
1000p
4700p
150
10P
150k
0.01
75k
0.01
47k
75k
0.01
0.01
47k
0.1
1
50
5600p
0.047
0.68
330k
0.22
0.22
4.7
50
4.7
50
0.22
0.22
0.1
0.047
0.047
0.022
0.022
680p
680p
0.1
0.1
10P
4P
EH
EH
220
16
150k
M62464FP
2SC3623A
2SC3623A
0.01
0.01
2SC3623A
0.1
77
79
78
78
79
77
AGND
AGND
REAR-L
REAR-R
CENTER
TA-MUT
PL-DAT
PL-CLK
PL-LAT
D+5V
DGND
PL+10V
LT-IN
RT-IN
C-IN
SL-IN
SR-IN
SW-IN
VRSWIN
AGND
SW-OUT
L-OUT
R-OUT
AGND
MUTE
MUTE
MUTE
CONTROL
PRO-LOGIC SOUND
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)
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