Sony XM-GTX6040 / XM-GTX6042 Service Manual ▷ View online
XM-GTX6040/GTX6042
9
SECTION 3
DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
•
• X : Parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
C
These are omitted.
B
E
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
• A : B+ Line.
• B : B– Line.
• H : Adjustment for repair.
• Power voltage is dc 14.4 V and fed with regulated dc
• B : B– Line.
• H : Adjustment for repair.
• Power voltage is dc 14.4 V and fed with regulated dc
power supply from +12 V and REM terminals.
• Voltages are dc with respect to ground under no-signal
conditions.
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
F
: AUDIO
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
• Note for Replacement of the Transistors
The transistors Q110, 111, 210, 211, 310, 311, 410 and 411 have
two different ranks: P rank and Y rank.
The rank of these transistors need to be selected properly accord-
ing to each channel. When replacing any one of these transistors,
check its rank and replace with the appropriate transistor of the
same rank.
The transistors Q110, 111, 210, 211, 310, 311, 410 and 411 have
two different ranks: P rank and Y rank.
The rank of these transistors need to be selected properly accord-
ing to each channel. When replacing any one of these transistors,
check its rank and replace with the appropriate transistor of the
same rank.
Rank
Q110, 210, 310, 410
Q111, 211, 311, 411
P
2SC5100-P
(Part No. 8-729-024-79)
2SA1908-P
(Part No. 8-872-024-76)
Y
2SC5100-Y
(Part No. 8-729-024-80)
2SA1908-Y
(Part No. 8-872-024-77)
DISCRIMINATION:
A1908: 2SA1908
C5100: 2SC5100
C5100: 2SC5100
P: RANK P
Y: RANK Y
Y: RANK Y
Ver. 1.1
• Note for Replacement of the IC903
Two different types of parts are used for the IC903 of this set.
Check the product code printed on the top face of the IC when
replacing the IC903.
Two different types of parts are used for the IC903 of this set.
Check the product code printed on the top face of the IC when
replacing the IC903.
TYPE A : TL594I
TYPE B : C494GS
TYPE B : C494GS
Ref. No.
TYPE A
TYPE B
IC903
TL594INSR
μPC494GS-E2-A
R911
24 k
Ω
22 k
Ω
XM-GTX6040/GTX6042
10
• IC Block Diagram
• Waveform
1
IC903
5 (CT)
1 V/DIV, 10
Psec/DIV
3.3 Vp-p
18
Psec
IC903 TL594INSR (MAIN Board (2/2)) (TYPE A)
IC903
IC903
μPC494GS-E2-A (MAIN Board (2/2)) (TYPE B)
OSC
REF 5V
ERROR
ERROR
0.1V
Q1
Q2
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7 8
NON
INV
VREF
VCC
C2
E1
E2
OUT
+IN
-IN
COMPEN
CT
RT
C1
GND
TIME
Ver. 1.1
For TYPE A and TYPE B, refer to the note for
replacement of the IC903 described on page 9.
replacement of the IC903 described on page 9.
XM-GTX6040/GTX6042
XM-GTX6040/GTX6042
11
11
3-1. BLOCK DIAGRAM
3
2
2
1
PRE AMP
IC801 (1/2)
1
GAIN CONTROL AMP
IC805 (1/2)
HPF
IC803 (1/2)
DIFFERENTIAL
AMP
Q103
POWER
AMP
Q110
DRIVE
AMP
Q104
DIFFERENTIAL
AMP
Q102
POWER
AMP
Q111
DRIVE
AMP
Q105
BIAS
Q106,107
BIAS
Q206,207
CNJ101 (1/2)
CN901
MUTE
SWITCH
Q101
+12V
GND
9
PRE AMP
IC801 (2/2)
DIFFERENTIAL
AMP
Q203
POWER
AMP
Q210
DRIVE
AMP
Q204
DIFFERENTIAL
AMP
Q202
MUTE
CONTROL
Q802
POWER
AMP
Q211
DRIVE
AMP
Q205
-3
-2
-4
FL
FR
RL
RR
-1
L
FRONT
INPUT
D906
D907
REAR
R
CN903
L
R
MUTE
SWITCH
Q201
1
2
2
14
12
REF.
REG
REG
CN904 (2/2)
F901
25A
SWITCHING
DRIVER
Q910,911
SWITCHING
DRIVER
Q912,913
DRIVER
Q908,909
8
10
11
3
D918
POWER/
PROTECTOR
FRONT
SPEAKER
OUT
DC-DC
CONVERTER
TRANSFORMER
T901
DC-DC CONVERTER
IC903
B+
SWITCH
Q905
OVERLOAD
DET
Q112
OVERLOAD
DET
Q212
CN904 (1/2)
L
(L+R)
R
REAR
SPEAKER
OUT
6
5
5
CNJ101 (2/2)
L
(L+R)
R
(L+R)
REM
+15V REG
Q807
–15V REG
Q808
PROTECTOR
DETECT
Q901,902
OVERLOAD
PROTECT
(REAR)
Q805,806
OVERLOAD
PROTECT
(FRONT)
Q803,804
POWER
ON/OFF
Q906
DC DET
IC902
+30V
+15V
–30V
–15V
D804
RECT
D803
RECT
(FRONT)
(REAR)
HIGH
LEVEL
INPUT
F902
25A
PRE AMP
IC802 (1/2)
1
LPF
IC804 (1/2)
GAIN CONTROL AMP
IC806 (1/2)
DIFFERENTIAL
AMP
Q303
POWER
AMP
Q310
DRIVE
AMP
Q304
DIFFERENTIAL
AMP
Q302
POWER
AMP
Q311
DRIVE
AMP
Q305
MUTE
SWITCH
Q301
PRE AMP
IC802 (2/2)
3
7
LPF
IC804 (2/2)
DIFFERENTIAL
AMP
Q403
POWER
AMP
Q410
DRIVE
AMP
Q404
DIFFERENTIAL
AMP
Q402
POWER
AMP
Q411
DRIVE
AMP
Q108
DRIVE
AMP
Q109
DRIVE
AMP
Q208
DRIVE
AMP
Q209
DRIVE
AMP
Q308
DRIVE
AMP
Q309
DRIVE
AMP
Q408
DRIVE
AMP
Q409
DRIVE
AMP
Q405
MUTE
SWITCH
Q401
OVERLOAD
DET
Q412
6
OVERLOAD
DET
Q312
3
2
2
5
TEMP.DET
TH901-903
TH901-903
LED DRIVER
Q903
R
(PROTECTOR)
G
(POWER)
THERMAL DET
Q914,915
VCC
REF
D905
D901
D902
OVER
VOLTAGE
DETECT
Q907
2
HPF
3
2
7
7
GAIN CONTROL AMP
IC805 (2/2)
HPF
IC803 (2/2)
6
HPF
LPF
5
6
LPF
2
3
3
6
7
GAIN CONTROL AMP
IC806 (2/2)
2
1
6
5
5
MUTE
CONTROL
Q810
MUTE
CONTROL
Q809
MUTE
CONTROL
Q811
MUTE
CONTROL
Q812
15
16
16
1
7
1
7
BIAS
Q306,307
BIAS
Q406,407
VR801-1
VR801-2
VR802-1
VR802-2
S801-1
S801-2
VR801
LEVEL
LEVEL
(FRONT)
ON
OFF
VR802
LEVEL
LEVEL
(REAR)
S801
HPF
(80Hz)
(FRONT)
OFF
ON
S802
S802-1
S802-2
LPF
(80Hz)
(REAR)
6LJQDOSDWK
: AUDIO
: AUDIO
SENSING
POWER ON
XM-GTX6040/GTX6042
XM-GTX6040/GTX6042
12
12
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
-1
-7
-2
-8
FL
RL
FR
RR
L
R
POWER/
PROTECTOR
G
R
R
(PROTECTOR)
G
(POWER)
D918
MAIN BOARD
B
C
E
B
C
E
B
C
E
B
C
E
OFF ON
S801
HPF(80Hz)
VR801
LEVEL
LEVEL
-2
-1
-1
-2
L
R
FRONT SPEAKER OUT
(L+R)
INPUT
FRONT
REAR
-1
L
-3
L
-2
R
-4
R
HIGH LEVEL INPUT
SENSING POWER ON
OFF ON
S802
LPF(80Hz)
VR802
LEVEL
LEVEL
REAR SPEAKER OUT
(L+R)
1-871-258-
12
25A
25A
REM
+12V
GND
S
D
G
D
G
S
D
G
D
G
S
D
G
D
G
S
D
D
G
K
A
K
A
K
A
K
A
K
A
E
C
B
E
C
B
E
C
B
E
C
B
-2
-1
-2
-1
-2
-1
-4
-3
-6
-5
-8
-7
1
2
2
4
3
3
C801
C803
C805
R943
R172
TP15
TP14
TP13
R272
Q803
R812
C81
1
R171
R271
Q804
TP16
R168
R163
R165
Q107
R164
R167
R177
R178
R170
Q112
R268
R263
R265
Q207
R264
R267
TP17
TP18
TH903
R277
R278
Q212
R270
TP903
D901
R907
TP902
R908
TH902
TP19
JC731
R368
R365
R363
R266
R166
C152
C252
R466
JC729
C352
R259
R258
R257
R260
R159
R158
R157
R160
R155
R156
R176 R175
R276 R275
R255
R256
R360
R357
R358
R359 R460
R457 R458
R459
C452
JC728
Q402
R455
Q303
Q203
Q202
Q103
Q102
C153
R161
R254
C253
R261
R253
Q812
R355
R376
R375
R356
C353
R361
R361
R462
R454
R818
R452
R451
R817
JC717
JC718
JC719
JC720
R351
R354
Q401
Q301
R353
R362
Q811
R352
JC723
JC724
Q802
R809
Q810
R807
D801
R808
Q809
R262
R816
JC725
C809
C808
R109
R806
Q201
R251
R151
R252
Q101
R152
R162
R153
R154
IC805
C112
JC726
C108
R108
D802
Q302
C109
IC803
R209
R208
C208
C209
R106
R102
R104
C105
C107
R105
R107
R103 C116
C117
R304
R302 C305 C307
R303
R305
R307
C406
R406
C407
R407
C306
R308
R408
JC722
JC721
C316
C317
R409 C410
R41
1
R410
R31
1
R310
R309
C310
R401
C402
C918
TP10
R405
R403
R404
R402
R101 R201
C216
C804
C101
R944
R803
R801
R802
TP11
JC727
R21
1
R1
11
R212
R1
12
R1
10
R210
JC732 R213
R1
13
C212
TP12
R810
R202
C217
R204
R203
R205
R207
C207
C205
R206
C206
IC801
C106
R306
IC802
C405
D906
R804
C102
C201
C202
C401
C301
D907
R946
R945
R805
C417
C416
R929
R930
R932
R933
C915
Q908
D805
D806
C824
C825
R814
C917
TP28
JC702
R903
IC903
C902
Q901
Q902
C901
Q909
R922
R924
R925
R926
R927
R923
R920
R921
TH901
R815
R901
R902
TP29
JC703
JC704
JC714
C916
JC701
R931
Q307
R364
R370
R367
R377
Q312
R378
R468
R463
R465
Q407
R464
R470
R467
R477
R478
Q412
TP20
TP22
TP23
TP24
TP25
C818
C817
D807
C823
TP21
TP27
TP26
R313
R475
Q403
R476
R456
R453
C453
R461
IC804
JC716
IC806
C412
C312
R412
R312
R413
R904
R905
Q903
JC715
R372
TP7
TP8
R928
R371
R471
C812
R811
R813
R910
R91
1
C904
C907
Q805
R912
R909
D902
C903
R939
R938
R937
R941
R936
D905
Q914
R940
R914
Q915
R915
Q806
JC706
JC707
JC708
JC709
JC710
JC71
1
JC712
JC713
Q906
C919
R935
R916
TP30
TP901
R919
C909
F902
F901
R472
R942
TP6
Q907
JC705
R917
R918
D904
TP4
TP5
TP9
TP1
TP2
TP3
R934
C91
1
JC730
R366
C309
C409
C302
R301
D101
D102
D202
D302
D301
D402
D401
D201
C351
C810
JW97
JW96
JW95
CNJ101
JW101
JW102
JW103
JW106
JW105
C815
C408
JW86
JW85
C355
C455
JW38
JW37
JW36
JW35
JW84
JW83
VR802
C41
1
JW34
CN904
JW33
JW32
JW31
JW4
JW3
JW2
JW1
JW6
JW7
JW8
JW28
JW29
JW30
C913
Q91
1
JW9
Q910
JW10
Q905
C908
C920
Q912
JW11
JW12
Q913
JW27
JW26
C914
C912
D803
T901
JW20
JW22
C827
JW48
JW47
JW49
JW50
JW51
JW52
R469
JW54
JW55
JW56
JW57
JW59
JW60
JW61
JW62
JW63
JW64
JW65
JW23
C905
JW24
JW25
C906
JW39
JW40
JW41
JW42
JW44
JW43
JW45
JW46
JW74
JW75
JW75
C814
JW73
IC902
C308
JW108
JW107
JW104
JW130
R369
JW58
JW129
JW127
JW126
JW124
JW68
Q408
C454
Q404
JW69
Q405
JW70
JW71
Q305
JW72
Q304
C354
Q308
Q409
JW67
JW1
15
Q309
JW66
Q208
C254
Q204
Q205
JW112
JW114
Q209
JW118
JW119
JW121
JW117
JW122
JW116
JW123
JW125
JW128
JW131
JW135
JW134
JW136
JW17
JW18
L801
JW16
JW15
JW14
D804
JW13
C820
C822
C821
C819
Q206
Q210
JW139
JW140
JW141
JW120
Q109
Q105
JW113
Q104
C154
Q108
JW111
JW142
JW144
JW143
JW145
JW138
Q21
1
R269
Q1
10
Q106
Q1
11
R169
JW147
JW148
JW149
JW150
JW153
JW152
JW151
C151
JW1
10
JW154
C251
JW109
C21
1
C1
11
C1
10
JW157
JW159
C210
JW158
S801
JW161
JW162
C155
C255
CN903
CN901
CN901
JW90
S802
JW89
JW88
JW87
D918
C910
L901
JW5
JW91
JW93
JW92
JW94
C802
JW100
JW99
JW98
VR801
JW156
JW155
JW146
JW137
Q306
Q311
JW133
Q310
JW53
Q411
Q410
Q406
JW19
JW21
Q807
C826
Q808
JW160
JW76
JW78
JW79
JW77
C451
JW80
JW81
JW82
C31
1
JW163
C813
JW164
JW132
•
: Uses unleaded solder.
3-2. PRINTED WIRING BOARD
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