Sony XM-GTX1321 Service Manual ▷ View online
XM-GTX1321
XM-GTX1321
9
9
4-1. PRINTED WIRING BOARD
•
: Uses unleaded solder.
B
E
B E
B E
B
E
B E
1
8
9
16
R214
R215
R216
R217
R221
R222
R227
R228
R229
R230
C201
C202
C203
C204
C205
R251
R252
R253
R254
R255
R256
R257
R258
R259
C220
R260
R261
R262
R263
R264
R265
R266
R267
R268
R270
R271
R272
R273
R275
R276
R277
R280
R281
C252
C253
C254
C255
Q102
Q103
Q301
Q501
Q502
Q503
Q506
Q507
Q508
C280
Q510
C281
Q511
Q512
Q901
Q902
Q908
Q909
Q910
Q911
Q913
Q914
Q151
Q152
Q157
Q158
D251
D253
D254
R101
R102
Q163
R103
R104
R105
Q166
R106
R107
R108
R109
R301
R302
R303R304
R305
R306
R307
R114
R308
R115
R116
R117
R501
R502
R503
R505
R506
R507
R508
R121
R509
R122
R126
R127
R128
R510
R129
R513
R514
R515
R516
R517
R130
R518
R901
R902
R903
R904
R905
R906
R907
R520
R908
R521
R909
R522
R523
R524
C101
R525
C102
R526
C103
R527
C104
R528
R910
C105
R529
R911
R915
R916
R917
R530
R918
JR1
R531
R919
JR2
R532
JR3
C303
JR4
C304
C305
JR6
C306
JR7
C307
C308
R920
R151
R921
R152
R922
R153
R923
R154
R924
R155
R925
R156
C502
R926
R157
R927
C310
R158
R928
C505
TH501
R159
R929
TH502
TH503
C120
C508
C509
R160
R930
R161
R931
R162
R932
R163
R933
R164
R934
C510
TP1
R165
R935
TP2
R166
R936
TP3
R167
C513
TP4
R168
C514
TP5
C515
TP6
C516
TP7
C517
TP8
C518
TP9
C519
C901
R170
R171
C905
R172
R173
C908
R175
C909
R176
R177
C910
C911
C913
R180
C914
R181
C917
C919
C152
C153
TP10
C154
TP11
C155
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP22
Q202
TP23
Q203
TP24
TP25
TP26
D301
D302
D501
D502
D503
D504
D505
D506
C180 C181
D510
D511
D512
D513
D514
D515
IC301
D516
IC302
D901
D902
D151
IC901
D153
D154
Q251
Q252
Q257
Q258
R201
R202
Q263
R203
R204
R205
Q266
R206
R207
R208
R209
B
E
B
E
G
S
D
D
G
S
D
D
G
S
D
D
G
S
D
D
(GRN) (RED)
E
B
E
B
E
B
B
E
B
E
B
E
B
E
B
E
B
E
E
B
E
B
B
E
B
E
B
E
B
E
B
E
B
E
BB1
JW180
JW181
C206
R269
R274
C251
Q504
Q505
Q903
Q904
Q905
Q906
LED901
Q912
L901
JW10
JW11
JW12
JW13
JW14
SW301
JW15
JW16
JW17
JW18
JW19
Q155
Q156
JW20
JW21
Q159
JW22
JW23
JW24
JW25
JW26
JW27
JW28
Q160
Q161
JW29
Q162
Q164
Q165
JW30
JW31
JW32
JW33
JW34
JW35
JW36
JW37
JW38
JW39
JW40
JW41
JW42
JW43
JW44
JW45
JW46
JW47
JW48
JW49
JW50
JW51
JW52
JW53
JW54
JW55
JW59
JW60
JW61
JW62
JW63
JW64
JW65
JW66
JW67
JW68
JW69
C106
JW70
JW71
JW72
C302
JW73
JW74
JW75
CN901
CN902
JW76
CN903
JW77
JW78
C309
JW79
C504
JW80
JW81
C506
JW82
C507
JW83
JW84
JW85
JW86
C123
JW87
JW88
JW89
C511
C512
JW90
R169
JW91
JW92
JW93
JW94
VR301
JW95
C902
JW96
C903
JW97
JW98
C906
C907
R174
C520
C912
C920
C151
JW100
JW101
JW104
JW105
JW107
JW108
JW1
JW109
JW2
JW3
JW4
JW5
JW6
JW7
JW8
JW110
JW9
JW111
JW112
JW113
JW114
JW115
JW116
JW117
JW120
JW122
JW123
JW124
JW125
JW126
JW127
JW129
D507
D508
JW130
JW131
JW132
JW133
JW134
JW135
JW136
JW137
JW139
JW140
JW141
JW142
JW143
JW144
JW145
JW146
JW147
JW148
JW149
JW150
JW151
JW152
JW153
JW154
JW155
JW156
JW157
JW158
JW159
JW160
T901
JW161
JW162
JW163
JW164
JW165
Q255
JW166
Q256
JW167
JW168
JW169
Q259
JW170
Q260
JW171
Q261
JW172
Q262
JW173
Q264
JW174
Q265
JW175
JW176
F901
F902
E
E
E
E
E
E
A
K
A
K
A
K
A
K
A
K
E
E
K
A
E
E
E
E
E
E
A
K
K
E
A
K
A
K
K
E
A
K
E
E
K
A
E
E
E
A
K
E
K
A
E
E
MAIN BOARD
1-885-564-
11
1
4
8
5
1
4
8
5
DC/DC
CONVERTER
TRANSFORMER
GND
+12V
REM
25A
25A
SPEAKER OUT
BTL
-1
-2
-1
-2
SW301
HIGH LEVEL INPUT
SENSING POWER ON
LPF
(80Hz)
OFF ON
LEVEL
POWER/PROTECTOR
(GRN): POWER ON
(RED): PROTECTOR ON
(RED): PROTECTOR ON
INPUT
L
(BTL)
R
R
L
R
L
1C
2C
2B
1B E
1C
2C
2B
1B E
1C
2C
2B
1B E
1C
2C
2B
1BE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
Note: When replacing the Q161, Q162, Q164, Q165, Q261, Q262,
Q264 and Q265 on the MAIN board, refer to “NOTE FOR
REPLACEMENT OF THE TRANSISTORS” (page 2).
REPLACEMENT OF THE TRANSISTORS” (page 2).
XM-GTX1321
XM-GTX1321
10
10
4-2. SCHEMATIC DIAGRAM
• See page 8 for waveforms. • See page 8 for IC Block Diagram.
Note: When replacing the Q161, Q162, Q164, Q165, Q261, Q262,
Q264 and Q265 on the MAIN board, refer to “NOTE FOR
REPLACEMENT OF THE TRANSISTORS” (page 2).
REPLACEMENT OF THE TRANSISTORS” (page 2).
IC B/D
1
1
2
40
40
40
40
11.4
11.4
0
0
-0.5
1.1
0.5
-1.1
39.6
0
0
0
0
0
0.5
0
0
14.7
0.7
0
0
0.5
39.6
0
-1.1
-0.5
0
0
11.4
11.4
40
1.1
0.5
40
40
40
0.5
0.5
1.1
39.6
39.6
0
0
0
0
0
0
0
0
0.7
14.6
4
0
0
7
0
4
0
14.5
14.9
-15.5
14.5
0.7
14.7
0.9
0
0
0
0
0
0
14.7
14.7
-15.9
-15.9
0
14.7
-0.7
0.7
-39
-0.5
-39
-39.5
-39
0
0
0
0
0
0
-40
-0.5
-1.1
-40
-40
-0.5
0.5
-1.1
0.5
-0.5
-1.1
1.1
-15.7
-15.7
0
-39
-39
39.6
-0.5
0
0
-0.5
-0.5
0
0
-40
0.5
1.1
0.5
0
0
-40
-40
-1.1
-1.1
-0.5
-1.1
0.5
0.5
1.1
39.6
-39
-39.5
13.7
13.7
0
0
14.4
0
0
13.7
2.1
13.7
0
15.4
14.7
40
-40
-16.6
-15.9
5
0
0.3
1.5
3.8
14.4
0
5
4.9
14.4
14.4
4.9
5
5
14.4
0
14.4
13.6
0.7
0
0.7
13.7
14.4
14.4
14.4
14.4
14.4
14.4
5.3
5.3
5.3
0.5
5.3
5.3
5.3
0.5
1k
R903
S
FKV550N
Q903
S
FKV550N
Q906
1k
R904
1k
R906
2.2
R910
470
R919
470
R918
2.2
R909
S
FKV550N
Q904
2.2
R907
1k
R901
2.2
R908
22
R902
S
FKV550N
Q905
22
R905
10
R911
16V
2200
C903
16V
2200
C902
2.2
R515
2.2
R514
T901
5
3
1
2
4
8
7
6
FCH10A15
D507
FRH10A15
D508
1000p
C510
50V
560
C512
50V
560
C511
2.2
R520
2SD2012
Q504
2SB1375
Q505
2.2
R523
6.8k
R522
6.8k
R521
6.8k
R524
6.8k
R525
6.8k
R526
6.8k
R527
6.8k
R528
6.8k
R529
1k
R531
1000p
C519
2.2
R181
2.2
R281
47k
R180
47k
R280
300
R276
2SA1908
Q265
470
R275
2SC5100
Q264
10k
R277
2.2
R272
2SC3421-Y
Q259
2SA1358-Y
Q260
2.2
R267
220
R266
300
R271
470
R270
2SA1908
Q262
0.1
R274
0.1
R269
2SC5100
Q261
2.2
R268
2.2
R273
470
R264
1.5k
R263
33p
C252
22k
R261
22k
R262
100
R259
100
R260
10k
R252
2SC4207(T5RSONY,F)
Q251
47p
C253
47k
R253
2SA1618-YGRTE85R
Q252
47k
R254
2SA1908
Q165
10k
R152
22k
R161
470
R164
2SC4207(T5RSONY,F)
Q151
2SC3421-Y
Q159
22k
R162
300
R171
2SA1908
Q162
2SC5100
Q161
2.2
R172
470
R170
2.2
R167
300
R176
47k
R154
2SC5100
Q164
47k
R153
220
R166
47p
C153
100
R160
10k
R177
0.1
R174
2SA1618-YGRTE85R
Q152
2SA1358-Y
Q160
470
R175
0.1
R169
33p
C152
2.2
R168
1.5k
R163
100
R159
2.2
R173
+
-
NJM4565M(TE2)
IC302
3
2
1
47p
C120
10k
R116
330
R117
100
R127
22k
R114
4.7k
R109
+
-
NJM4565M(TE2)
IC301
3
2
1
15k
R108
47p
C104
47p
C105
15k
R107
47p
C103
47p
C205
10k
R216
47p
C203
15k
R207
15k
R208
47p
C204
4.7k
R209
47p
C220
22k
R214
330
R217
100
R227
10k
R122
10k
R222
NJM4565M(TE2)
IC302
8
POWER
4
GND
4.7k
R307
NJM4565M(TE2)
IC301
8
POWER
4
GND
0.47
C306
10k
R305
10k
R306
0.47
C307
22k
R308
68k
R206
68k
R204
2.2k
R303
2.2k
R304
1k
R201
1k
R202
1k
R101
1k
R102
68k
R106
68k
R104
+
-
NJM4565M(TE2)
IC301
5
6
7
+
-
NJM4565M(TE2)
IC302
5
6
7
2.2k
R302
1k
R301
1
2
3
4
4P
CN901
100p
C101
100p
C102
100p
C201
100p
C202
10k
VR301
TP23
TP7
TP8
TP9
TP10
TP11
DZ2J160M0L
D511
DZ2J150M0L
D510
ISA1235AC1-T112-1EF
Q158
ISA1235AC1-T112-1EF
Q258
2SC3052F-T1-LF
Q157
2SC3052F-T1-LF
Q257
2SC3052EF-T1-LEF
Q506
2SC3052EF-T1-LEF
Q507
DA2J10100L
D153
DA2J10100L
D154
DA2J10100L
D253
DA2J10100L
D254
MC2836-T112-1
D302
MC2838-T112-1
D301
MC2838-T112-1
D505
MC2838-T112-1
D506
D151
MC2837
MC2837
D251
MC2837
D503
MC2837
D504
2SC2713G-TE85L
Q163
2SC2713G-TE85L
Q166
2SC2713G-TE85L
Q263
2SC2713G-TE85L
Q266
2SA970-BL(T2SONY,F
Q155
2SA970-BL(T2SONY,F
Q255
2SC2240-BL(T2SONY,F)
Q156
2SC2240-BL(T2SONY,F)
Q256
10k
R926
ISA1235AC1TP-1EF
Q911
22k
R915
15uH
L901
3
2
1
4
(GRN)
(RED)
SML1216WTP4
LED901
0.01
C908
2.2k
R923
DZ2J160M0L
D902
47k
R920
2.2k
R936
10k
R925
220
R924
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TL594INSR
IC901
10k
R935
0.01
C905
2.2k
R928
1
C920
1k
R930
1000p
C906
2SC3052EF-T1-LEF
Q913
RT1N141C-TP-1
Q909
4.7k
R921
KTA1281Y-AT
Q912
RT1N141C-TP-1
Q910
RT1N141C-TP-1
Q914
TP16
1
C910
4.7k
R922
100k
R916
C909
1000p
1000p
C914
RT1P441C-TP-1
Q908
TP4
TP5
TP6
RT1N441C-TP-1
Q501
MC2838-T112-1
D501
DA2J10100L
D502
100k
R510
DZ2J068M0L
D513
10k
R518
RT1P141C-TP-1
Q503
82k
R517
DA2J10100L
D515
100k
R516
MC2836-T112-1
D512
RT1P441C-TP-1
Q510
1M
R513
DA2J10100L
D514
10k
R126
DA2J10100L
D901
TH501
TH502
TH503
CN902
2SC3052F-T1-LF
Q511
2SC3326N-TE85L-B
Q512
100k
R509
2SC3052F-T1-LF
Q502
4.7k
R530
470
R128
2.2k
R130
2.2k
R230
2.2k
R151
680
R129
390
R229
330
R228
1.5k
R251
DZ2J056M0L
D516
0
JR4
2SC3052F-T1-LF
Q508
0.1
C913
0.1
C508
0.1
C180
0.1
C509
0.1
C281
0.1
C280
0.1
C513
0.1
C181
0.1
C505
0.1
C514
16V
220
C520
16V
100
C907
16V
100
C912
16V
100
C251
16V
100
C151
16V
220
C302
50V
22
C206
50V
22
C123
50V
22
C504
50V
22
C106
50V
22
C309
50V
220
C507
50V
220
C506
SW301
TP3
TP1
TP2
TP13
TP12
TP14
TP15
TP17
TP18
TP20
TP19
TP21
TP22
TP24
TP25
TP26
2SC3052EF-T1-LEF
Q301
0.1
C310
0.1
C303
0.1
C154
0.1
C155
0.1
C254
0.1
C255
0.1
C304
0.1
C305
0.1
C308
0.1
C502
0.1
C515
0.1
C516
0.1
C517
0.1
C518
0.1
C901
0.1
C911
0.1
C917
10k
R121
10k
R221
270
R929
1.5k
R155
1.5k
R156
1.5k
R157
1.5k
R158
1.5k
R255
1.5k
R256
1.5k
R257
1.5k
R258
1.5k
R927
2.2k
R503
1.8k
R507
3.3k
R502
3.3k
R508
6.8k
R165
6.8k
R265
6.8k
R917
10k
R932
10k
R931
10k
R934
10k
R933
10k
R115
10k
R215
22k
R103
22k
R105
22k
R203
22k
R205
150k
R532
2SC3326N-TE85L-B
Q202
2SC3326N-TE85L-B
Q901
2SC3326N-TE85L-B
Q103
2SC3326N-TE85L-B
Q902
2SC3326N-TE85L-B
Q203
2SC3326N-TE85L-B
Q102
1.8k
R501
5.6k
R505
5.6k
R506
0.01
C919
IC901
DC/DC CONVERTER
DC/DC CONVERTER
TRANSFORMER
IC301
(3/3)
(2/3)
(3/3)
IC302
PRE AMP
(1/3)
IC301
GAIN CONTROL AMP
(1/3)
IC302
MAIN BOARD
(BTL)
L
R
INPUT
SENSING POWER ON
HIGH LEVEL INPUT
L+
R+
L–
R–
(CHASSIS)
(2/3)
PRE AMP
-1
-2
-1
-2
LOW-PASS FILTER
LEVEL
SWITCH
SWITCH
MUTING
MUTING
-1 -2
-2 -1
DRIVE AMP
DRIVE AMP
DIFFERENTIAL AMP
DIFFERENTIAL AMP
DIFFERENTIAL AMP
DIFFERENTIAL AMP
DRIVE AMP
DRIVE AMP
DRIVE AMP
DRIVE AMP
-1
-2
-1
-2
DRIVE AMP
BIAS
BIAS
BIAS
BIAS
POWER AMP
POWER AMP
5W
5W
POWER AMP
POWER AMP
OVER LOAD DETECT
OVER LOAD
DETECT
OVER LOAD DETECT
OVER LOAD DETECT
POWER AMP
POWER AMP
POWER AMP
POWER AMP
DRIVE AMP
5W
5W
GAIN CONTROL AMP
(80Hz)
LPF
ON
OFF
DRIVER
DRIVER
DRIVER
SWITCHING
DRIVER
SWITCHING
DRIVER
SWITCHING
DRIVER
SWITCHING
MUTING SWITCH
Q510, 511
THERMAL DETECT
DC OFF DETECT
+15V REGULATOR
-15V REGULATOR
PROTECT SWITCH
Q502, 503
OVER VOLTAGE DETECT
DC OFF DETECT
Q912, 913
B+ SWITCH
Q506, 507
ZERO LEVEL PROTECT
Q908, 909
PROTECT DETECT
LED DRIVER
PROTECTOR
POWER/
(RED): PROTECTOR ON
(GRN): POWER ON
C1
GND
RT
CT
DTC
FEEDBACK
1IN-
1IN+
2IN-
C2
E1
REF
VCC
2IN+
E2
OUTPUT
CTRL
+
–
+
–
L
R
BTL
OUT
SPEAKER
F901
25A
F902
25A
25A
25A
REM
+12V
GND
CN903
16
N
8
I
14
2
15
12
A
D
5
K
B
M
7
C
L
17
21
6
11
3
H
F
13
20
G
9
E
10
1
19
J
18
4
22
THERMAL DETECT
32V
32V
11
XM-GTX1321
SECTION 5
EXPLODED VIEWS
1
4-290-813-21 PLATE,
TOP
2
4-290-812-01 HEAT SINK (MAIN)
3
4-118-731-01 SHEET
HEAT
TRANSFER
4
3-273-612-12 SCREW (+B, TT, B-TYPE, 3XL)
5
4-410-613-01 SCREW (+P, TT, B-TYPE, 3X8)
6
3-273-612-01 SCREW (+B, TT, B-TYPE, 3XL)
7
4-290-814-01 PLATE,
BOTTOM
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
Parts Color Cabinet’s Color
5-1. HEAT SINK (MAIN) SECTION
MAIN board section
not supplied
1
6
6
5
5
4
3
2
5
6
7
6
6
12
XM-GTX1321
5-2. MAIN BOARD SECTION
51
4-290-821-01 PANEL,
FRONT
52
4-410-613-01 SCREW (+P, TT, B-TYPE, 3X8)
53
A-1847-716-A MAIN BOARD, COMPLETE
54
4-410-614-01 SCREW (+PS, TT, 3X8)
55
3-912-431-01 SCREW
(+-P)
CN903
1-780-134-12 TERMINAL BOARD (4P+3P+2FUSE)
(SPEAKER OUT, 25A, REM, +12V, GND)
D507
8-719-079-00 DIODE FCH10A15
D508
8-719-079-01 DIODE FRH10A15
F901
1-576-256-11 FUSE (BLADE TYPE) (AUTO FUSE) (25 A/32 V)
F902
1-576-256-11 FUSE (BLADE TYPE) (AUTO FUSE) (25 A/32 V)
Q159 8-729-207-82 TRANSISTOR 2SC3421-Y
Q160 8-729-207-89 TRANSISTOR 2SA1358-Y
Q161 8-729-024-79 TRANSISTOR 2SC5100-P
Q161 8-729-024-80 TRANSISTOR 2SC5100-Y
Q162 8-729-024-76 TRANSISTOR 2SA1908-P
Q160 8-729-207-89 TRANSISTOR 2SA1358-Y
Q161 8-729-024-79 TRANSISTOR 2SC5100-P
Q161 8-729-024-80 TRANSISTOR 2SC5100-Y
Q162 8-729-024-76 TRANSISTOR 2SA1908-P
Q162 8-729-024-77 TRANSISTOR 2SA1908-Y
Q164 8-729-024-79 TRANSISTOR 2SC5100-P
Q164 8-729-024-79 TRANSISTOR 2SC5100-P
Q164 8-729-024-80 TRANSISTOR 2SC5100-Y
Q165 8-729-024-76 TRANSISTOR 2SA1908-P
Q165 8-729-024-77 TRANSISTOR 2SA1908-Y
Q165 8-729-024-76 TRANSISTOR 2SA1908-P
Q165 8-729-024-77 TRANSISTOR 2SA1908-Y
Q259 8-729-207-82 TRANSISTOR 2SC3421-Y
Q260 8-729-207-89 TRANSISTOR 2SA1358-Y
Q261 8-729-024-79 TRANSISTOR 2SC5100-P
Q261 8-729-024-80 TRANSISTOR 2SC5100-Y
Q262 8-729-024-76 TRANSISTOR 2SA1908-P
Q260 8-729-207-89 TRANSISTOR 2SA1358-Y
Q261 8-729-024-79 TRANSISTOR 2SC5100-P
Q261 8-729-024-80 TRANSISTOR 2SC5100-Y
Q262 8-729-024-76 TRANSISTOR 2SA1908-P
Q262 8-729-024-77 TRANSISTOR 2SA1908-Y
Q264 8-729-024-79 TRANSISTOR 2SC5100-P
Q264 8-729-024-80 TRANSISTOR 2SC5100-Y
Q265 8-729-024-76 TRANSISTOR 2SA1908-P
Q265 8-729-024-77 TRANSISTOR 2SA1908-Y
Q264 8-729-024-79 TRANSISTOR 2SC5100-P
Q264 8-729-024-80 TRANSISTOR 2SC5100-Y
Q265 8-729-024-76 TRANSISTOR 2SA1908-P
Q265 8-729-024-77 TRANSISTOR 2SA1908-Y
Q903 6-550-341-01 FET
FKV550N
Q904 6-550-341-01 FET
FKV550N
Q905 6-550-341-01 FET
FKV550N
Q906 6-550-341-01 FET
FKV550N
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Q265
Q264
Q260
Q164
Q165
Q162
Q159
Q160
Q161
Q259
not supplied
not supplied
54
54
54
54
54
54
54
54
54
54
Q262
54
not supplied
MAIN board
Q261
54
CN903
51
55
55
F902
F901
52
52
54
Q905
Q906
Q903
Q904
D508
D507
54
53
54
54
54
54
54
52
52
52
52
54
54
54
54
Note: When replacing the Q161, Q162, Q164, Q165, Q261, Q262,
Q264 and Q265 on the MAIN board, refer to “NOTE FOR
REPLACEMENT OF THE TRANSISTORS” (page 2).
REPLACEMENT OF THE TRANSISTORS” (page 2).
Click on the first or last page to see other XM-GTX1321 service manuals if exist.