Sony LBT-XGR88 (serv.man2) Service Manual ▷ View online
45
45
HCD-XGR88
6-23. SCHEMATIC DIAGRAM – SUB AMP SECTION –
R103
R153
C103
C153
R101
C101
C102
C152
C151
R111
D151
D101
R112
R162
Q101
Q151
R109
R159
C108
C109
C158
C159
C113
C105
C106
R160
R120
JW102
R161
JW103
JW115
JW128
R151
D102
D103
R113
R163
R110
C107
C157
C104
C154
R102
R152
R138
R108
R128
R158
R130
R106
R105
R107
R157
CN102
CN101
IC101
680
680
220p
220p
1k
1
50
220p
220p
1
50
1k
1SS133T
1SS133T
15k
15k
2SC1841
2SC1841
10
1/2W
10
1/2W
0.068
PE
0.068
PE
0.068
PE
0.068
PE
10000p
0.1
TF
0.1
TF
100k
1
1/4W
1k
1/4W
1k
MTZJ-T-77-15A
MTZJ-T-77-15A
100k
100k
100k
22
100V
22
100V
22
50V
22
50V
100k
100k
0.22
5W
0.22
5W
0.22
5W
0.22
5W
33k
3.9k
1W
3.9k
1W
100
1/4W
100
1/4W
3P
10P
DETECT
Q101,501
OVER LOAD
POWER AMP
HCD-XGR88
46
46
6-24.PRINTED WIRING BOARD – MIC SECTION – • See page 21 for Circuit Boards Location.
6-25. SCHEMATIC DIAGRAM – MIC SECTION –
J802
J801
IC850
C806
C818
R857
FL801
C838
C837
R876
R879
R877
R874
Q884
C824
C810
C801
R807
R809
R854
C804
C802
R806
C819
R856
R853
C821
C805
R852
C817
C803
CLP804
NO802
C822
CN812
JW818
R878
JW816
R850
R855
R811
R810
JW817
R808
NO803
JW815
JW812
NO811
JW800
MIC BOARD
11
(11)
1-687-263-
1
3
1
8
E
MAIN
BOARD
(Page 33)
1
4
NO801
RV801
MIC VR BOARD
11
(11)
1-687-259-
MIC–1
MIC–2
MIC
LEVEL
1
3
2
3
4
5
6
7
A
1
B
C
D
E
F
G
C801
R854
R852
C805
C818
R857
C804
FL801
C806
R876
R879
R877
R878
R811
R806
R807
R809
R808
J802
J801
C817
R853
R850
NO802
NO811
NO801
NO812
C810
C824
R855
R810
C802
C803
C837
Q884
C819
C838
C822
C821
R874
IC850(1/2)
IC850(2/2)
RV801
R856
4.7k
10000p
47k
100k
1000p
47p
0.47
50V
FILTER CERAMIC
47p
1k
1k
330
1k
100k
10k
10k
1k
1k
2.2
50V
1k
1k
3P
3P
220p
2.2
50V
10k
JW
47p
1
50V
10
50V
2SC2785
V REF
47p
10
50V
1000
16V
47
16V
15k
NJM14558L
NJM14558L
50k
680k
7
8
5
6
1
4
2
3
MIC AMP
MIC AMP
LEVEL
MIC
MIC-2
MIC-1
47
47
HCD-XGR88
6-26. SCHEMATIC DIAGRAM – POWER SUPPLY SECTION –
• See page 21 for Circuit Boards Location.
• See page 21 for Circuit Boards Location.
6-27.SCHEMATIC DIAGRAM – POWER SUPPLY SECTION –
RY901
CN901
CN902
JW944
JW946
JW949
JW949
MT901
S901
NO903
D901
JW941
LP901
LP903
JW950
D832
C893
C834
LP963
LP961
C961
C963
JW971
CN952
CN951
JW973
JW975
JW706
JW702
CN905
F951
JW960
JW972
JW974
JW976
JW977
JW978
JW979
JW980
JW981
JW982
JW984
JW985
JW986
JW983
F961
F962
F964
F963
R952
R951
R953
SUB TRANS BOARD
11
(11)
1-687-271-
TRANS BOARD
11
(11)
1-687-270-
T951
POWER TRANSFORMER
+
–
AC IN
T901
SUB TRANSFORMER
230-240V 220V 120V
t
t
VOLTAGE SELECTOR
S
PA
BOARD
(Page 42)
1
4
1
4
1
4
R
PA
BOARD
(Page 42)
1
11
Q
PA
BOARD
(Page 42)
1
1
2
3
4
5
A
1
B
C
D
E
F
G
H
C893
C834
R952
C963
C961
JW965
CN905
JW971
CN951
CN952
CN901
CN902
JW941
JW949
NO903
S901
D832
R953
R951
T951
RY901
D901
T901
F961
F963
F964
F962
F951
0.1
100
0.1
100
0.33
10000p
10000p
VH-4P
VH-3P
EH
2P
AMP
VH-4P
RBV1306
0.1
1/2W
0.33
STB RELAY
9V
1SS133T-77
T8.0AL
250V
T8.0AL
250V
T8.0AL
250V
T8.0AL
250V
T8.0AL
250V
POWER
TRANSFORMER
VOLTAGE
TRANSFORMER
SUB
SELECTOR
HCD-XGR88
48
48
T331
r
WAVEFORMS
1
IC501 qa XC-OUT
2
3
IC501 qd X-OUT
T331
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
6-28. 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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