Sony HCD-XGR90AV / LBT-XGR90AV Service Manual ▷ View online
21
21
HCD-XGR90AV
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers´ Patterns are not indicated.)
• Indication of transistor.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
BD board section
no mark: CD PLAY
Other board section
no mark: TUNER (FM/AM)
( ): TAPE PLAY
< >: TAPE REC
[ ]: CD PLAY
BD board section
no mark: CD PLAY
Other board section
no mark: TUNER (FM/AM)
( ): TAPE PLAY
< >: TAPE REC
[ ]: CD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PALY (DECK A)
d
: TAPE PALY (DECK B)
G
: RECORD
J
: CD PALY (ANALOG OUT)
c
: CD PALY (DIGITAL OUT)
N
: MIC INPUT
• Abbreviation
AUS
: Australian model
Note:
The components identified by mark
The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
SECTION 7
DIAGRAMS
PANEL FL board
TRANS board
SUB TRANS board
MAIN board
PA board
PROLOGIC board
SUB AMP board
TC-B board
HEADPHONE board
FRONT INPUT board
CD-R board
CD-L board
MIC/GUITAR board
TC-A board
PANEL VR board
TUNER PACK
(FM/AM TUNER UNIT)
(FM/AM TUNER UNIT)
SENSOR board
D-SW board
MOTOR board
LED board
BD board
7-1. CIRCUIT BOARD LOCATION
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
C
B
These are omitted.
E
Q
HCD-XGR90AV
22
22
7-2. BLOCK DIAGRAMS
– CD SERVO SECTION –
SQSO
SQCK
A/D
CONVERTER
CH1OUTF
CH1OUTR
6
7
8
9
15
16
18
11
10
12
2
1
51
49
48
43
24
41
40
39
64 15
28
29
30
31
32
33
24
25
23
5
6
2
3
17
18
15
16
E
B
C
D
A
PD1
PD2
I1-6
I5-10
LD
PWM3
PWM1
PWM2
PD
CD D+5V
F
A
B
C
D
RF
SUMMING
AMP
∑
A-D
FOCUS
ERROR AMP
RF EQ
AMP
DC
AMP
TRACKING
ERROR AMP
RFAC
RFDCO
RFDCI
FE
FEI
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
TE
E
F
F I-V AMP
E I-V AMP
LD
DRIVE
Q101
APC LD
AMP
APC PD
AMP
BUFFER
Q451-454
LD
LD
PD
LASER DIODE
RFAC
ASYO
ASYI
ASYMMETRY
CORRECTION
CORRECTION
DIGITAL
PLL
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
DATA
XLAT
CLOK
14
5 6
MDP
26
7
8
XLON
3
XRST
DIGITAL
CLV
D/A
INTERFACE
SE
TE
FE
RFDC
FOCUS/TRACKING/SLED
SERVO DSP
FOCUS/TRACKING/SLED
PWM GENERATOR
SFDR
CH3FIN
CH4SIN
CH3RIN
CH3OUTF
CH3OUTR
CH2FIN
T+
T-
F+
F-
CH2RIN
CH1FIN
CH1RIN
20
MUTE
SRDR
TFDR
TRDR
FFDR
FRDR
S101
(LIMIT)
EMPH
WFCK
GFS
MIRR/DFCT/
FOK
DETECTOR
SERVO AUTO
SEQUENCER
SERVO
INTERFACE
CPU INTERFACE
18
63
62
61
19
19
SENS
20
35
40
36
37
34
19
SCOR
SQ-DATA
SQ-CLK
CD-DATA
XLT
CD-CLK
SENS
SCOR
1 2
32
33
SCLK
COUT
9 21
SSTP
27
FOK
22
23
MIRR
DFCT
TO SERVO INTERFACE
CH4OUTF
CH4OUTR
M101
SPINDLE
MOTOR
MOTOR
DRIVE
MOTOR
DRIVE
COIL
DRIVE
CH2OUTF
CH2OUTR
COIL
DRIVE
M
M
M102
SLED
MOTOR
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
TRACKING
COIL
FOCUS
COIL
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
OPTICAL PICK-UP BLOCK
(A-MAX.3)
SW
PD
I-V AMP
12
11
13
14
54
56 53
55
FILTER
FILO
PCO
CLTV
FILI
EFM
DEMODULATOR
SERIAL
IN
INTERFACE
DIGITAL
FILTER,
NOISE SHAPER
PWM
&
INTEGRATOR
BUFFER
CLOCK
GENERATOR
OPTICAL
TRANSCEIVER
IC451
CD DIGITALOUT
OPTICAL
Q809,810
LEVEL SHIFT
TIMING
LOGIC
MUTE
Q401
DIGITAL
OUT
INTERNAL BUS
16K
RAM
ERROR
CORRECTOR
SUBCODE
PROCESSOR
60
HOLD
26
28 BU-PWM1
BU-PWM2
BU-PWM3
PWM1
PWM2
PWM3
24
43
XRST
XTAI
X101
16.9344MHz
AIN1
AIN2
R-CH
CD-L
AOUT1
AOUT2
TO MIRR/DFCT/
FOK DETECTOR
FOK DETECTOR
PCMD
BCK
LRCK
C2PO
C2PO
DOUT
66
XTAO
67
70
77
LOUT1
LOUT2
72
75
71
76
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL)
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (1/4)
When the optical pick-up
is inner position.
is inner position.
ON :
(Page 24)
A
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
MTR-CTRL1
MTR-CTR2
M
TABLE MOTOR DRIVER
IC201
OUT2
OUT1
IN2
IN1
M201
(TABLE)
DISC TABLE
SENSOR
IC202
BU UP/DW SW
S201
(UP SWITCH)
TBL-SENS
MOTOR
DRIVE
49
CD-MUTE 5
48
45
44
LED-DISK 47
1
9
3
7
LED DRIVE
Q201
D201
(DISC No.)
28
29
NC
NC
NC
NC
NC
NC
NC
NC
NC NC NC
17
NC
NC
NC
NC
NC
Q412
Q411
23
23
HCD-XGR90AV
–TUNER/TAPE DECK SECTION –
PB-L
B
(Page 24)
ST-L
RV391
D
(Page 24)
REC-L
C
(Page 24)
PB
HEAD
DECK-A
DECK-B
TC BLOCK
32
BIAS OSC
Q331,332
Q331,332
RIPPLE
FILTER
Q333
A TRIG
DRIVE
• SIGNAL PATH
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD
: TUNER (FM/AM)
R-CH
FM/AM TUNER UNIT
CN371
ANTENNA
ST-LOUT
FM ANT
FM ANT
AM ANT
AM ANT
ST-ROUT
ST-MUTE
STEREO
TUNED
OUT(ST-DIN)
IN(ST-DOUT)
ST-CLK
ST-CE
FM
75
Ω
MOTOR-H
MOTOR-L
CAP M+
B-SOL
A-SOL
A-HALF
B-HALF
A-MODE
B-MODE
B-PHOTO
A-PHOTO
A-PHOTO
REC(FWD)
REC(REW)
CAPM-H/L
CAPM-CTRL
B-TRIG
A-TRIG
TC-RELAY
A-HALF
B-HALF
A-PLAY SW
B-PLAY SW
B-SHUT
A-SHUT
A-SHUT
REC-A
REC-B
BIAS
PB-A/B
EQ-H/N
ALC
REC-MUTE
TC-MUTE
AMS-IN
AM
• R-ch is omitted due to same as L-ch.
70
A
B
120
ST-MUTE
STEREO
TUNED
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
ST-CE
ST-MUTE
STEREO
TUNED
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
ST-CE
RV392
BIAS
TRAP
REC
BIAS(L)
34
1
2
3
4
28
27
26
23
21
65
67
66
68
61
58
53
50
46
90
89
57
56
91
70
69
51
B TRIG
DRIVE
52
CAP MOTOR
DRIVE
55
CAP MOTOR
SPEED CONT
54
21
2
3
27
22
25
23
13
12
11
15
14
SWITCH
Q321,322
HPF
R-CH
PB-OUT1
ALC1
MUTE
Q344,345
AMS DETECT
Q341-343
R-CH
R-CH
R-CH
R-CH
RV321
REC(L)
LEVEL
RV351
C322,L321
TC A+10
REC/PB SWITCH
IC321
REC/PB
HEAD
ERASE
HEAD
A/B
NORM/HIGH
ALC ON/OFF
REC MUTE ON/OFF
MUTE ON/OFF
IC341
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
Q334,335
T331
Q383,384
Q381,382
Q385,386
TAPE SPEED
LOW
RV931
TAPE SPEED
HIGH
RV932
Q387,388
SYSTEM CONTROL
(CD MECHANISM CONTROL)
IC501(2/4)
REC-OUT
+
HCD-XGR90AV
24
24
– MAIN SECTION –
PHONO
EQ AMP
IC601
POWER AMP
IC801
CD-L
J701 (1/2)
A
(Page 22)
(Page 25)
(Page 23)
C
(Page 23)
PB-L
B
FUNCTION SELECT
SWITCH
IC181
R-CH
VOLUME
CONTROL
CPU
INTERFACE
INPUT
SELECT
SWITCH
SURROUND OR
DPL BUFFER
MID/
BASS &
TREBLE
TREBLE
R-CH
R-CH
COMMAND
F OUT2
OUT1
VL
IN1
IN1
+
Q802,803
LEVEL SHIFT
D803
Q112
Q165,166
Q169,170
Q167,168
R-CH
R-CH
R-CH
Q113
Q111
R-CH
+
+
+
RV601
MIC AMP
IC850 (2/2)
MUTE
Q115
MUTE
Q701
MUTE
Q805,855
DELAY
Q833
MUTE
Q114
MUTE
Q281
X501
32.768KHz
X502
16MHz
+5V
REG
OVER LOAD
DETECT
Q801, 851
STANDBY
SWITCH
Q103, 104
TEMPERATURE
DETECT SWITCH
Q831, 832
DC DETECT
SWITCH
Q433, 434
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC111
INA1
INEX1
SUR1
IND1
L+R
SPEANA
DATA
CLK
EQIC-DAT
EQIC-CLK
SW-MODE
BB-A1
BB-B1
SWOUT
REC-L
R-CH
R-CH
X0
X
A
B
X1
TH831
R-CH
R-CH
R-CH
RY402
RY403
R-CH
R-CH
M901
(FAN)
(FAN)
R-CH
–1
–2
FAN MOTOR
DRIVE
Q961, 962
R-CH
R-CH
OVER LOAD
DETECT SWITCH
Q432
PROTECT SWITCH
Q439
OVER LOAD
DETECT SWITCH
Q437
RELAY DRIVE
Q401, 402
RELAY DRIVE
Q404, 406
RELAY DRIVE
Q403, 407
STANDBY SWITCH
Q803, 804, 834
TM401
FAN MOTOR
B+
J802
J801
L
R
PHONO
IN
L
R
MD IN
AUDIO
J701 (2/2)
L
R
MD OUT
D401
D410
RY401
J803
PHONES
+
–
–
+
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (3/4)
PRO-LOGIC
SOUND
CONTROL
IC201
VIDEO INPUT
SELECT
IC191
+
GUITAR AMP
IC853
88
FRONT-RELAY
REAR-RELAY
87
85
94
97
AUDIO-OUT 1
STK-MUTE 83
LINE-MUTE 82
60
59
76
77
78
79
24
22
23
17
HP-MUTE
XC-OUT
XC-IN
PL-LAT
REQ
DATA
SCK
VOL OUT SL
LT-IN
VOL OUT C
C
C
2
1
2
2
3
1
1
SL
L-IN
L
SL
SR
SR
SW-IN
C-IN
SL-IN
VR SW IN
VOL OUT SW
PL-DAT
PL-CLK
X-OUT
X-IN
86
11
10
18
11
12
HP-IN 95
80
81
2
14
15
24
18
22
16
21
5
3
6
6
INB1
INC1
4
M
L
R
19
FUNC-SEL0
FUNC-SEL1
FUNC-SEL1
REC/PB/PASS
NR-ON/OFF
VIDEO-MUTE
13
15
71
14
13
10
9
12
16
8
10
4
6
8
5
3
2
J804
IN4
A
B
C
IN3
IN2
IN1
MUTE
VD-OUT
(75
(75
Ω
)
6db
L
R
L
R
L
R
X2
15
X3
VDD
VSS
11
72
PROTECT
DBFB-H/L
GUITAR
MIX MIC
DISTORTION
E
(Page 25)
F
DISTORTION
ON/OFF SWITCH
Q880 – 883
GUITAR AMP
IC852
MIC AMP
IC850 (1/2)
MIC LEVEL
RV602
GUITAR LEVEL
ST-L
D
(Page 23)
J721
J711
VIDEO
GAME
INPUT
VIDEO OUT
FRONT
REAR
CENTER
DVD
INPUT
SUB WOOFER OUT
PROTECT SWITCH
Q431
FRONT SPEAKER
IMPEDANCE
USE 6 – 16
Ω
TM402
L
R
+
–
+
SURROUND SPEAKER
IMPEDANCE
USE 8 – 16
Ω
R-CH
TC
+10V
+10V
-VEE
17
NC
Q805,806
LEVEL SHIFT
8
MIC
RECB1
7
42
MIC OUT
C
A
B
B
C
A
B
B
Q181
Q611
A+10V
Q182
POWER AMP
IC101(1/2)
10
5
16
POWER AMP
IC101(2/2)
14
6
OVER LOAD
DETECT
Q101, 151
VIDEO
DVD
INPUT
R-CH
–
+
–
+
MUTE
Q271
MUTE
Q731
D811
LEVEL
SHIFT
Q804, 807, 808
R-CH
9
3
80
10
4
5
76
16
15
79
11
26
27
VOL
VOL
VOL
CONTROL
CENTER
MODE
(L-R)
(L+R)
42
40
74
VCA
LOGIC
A/D, D/A
+
+
77
SUB WOOFER OUT
REAR
CENTER
J731
1
72
1
• SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
• R-ch is omitted due to same as L-ch.
: TAPE PLAY
: RECORD
: MIC INPUT
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