Sony DSK-GTX999 / HCD-GTX999 Service Manual ▷ View online
HCD-GTX999
HCD-GTX999
21
21
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• 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.
• f :
internal
component.
• 2 : nonfl ammable resistor.
• C : panel designation.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark : CD PLAY
– USB MICOM Board –
no mark : USB PLAY
– Other Boards –
no mark : TUNER (FM/AM)
( ) : CD PLAY
‹‹ ›› : USB PLAY
• Voltages are taken with VOM (Input impedance 10 M
no mark : CD PLAY
– USB MICOM Board –
no mark : USB PLAY
– Other Boards –
no mark : TUNER (FM/AM)
( ) : CD PLAY
‹‹ ›› : USB PLAY
• 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 :
TUNER
(FM/AM)
J
: CD PLAY
a :
USB
d :
AUDIO
IN
f :
HDD
N :
MIC
• Abbreviation
AR :
AR :
Argentina
model
BR
: Brazilian model
E2
: 120V AC area in E model
E51
: Chilean and Peruvian models
MX
: Mexican model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : parts extracted from the conductor side.
• f :
• X : Parts extracted from the component side.
• Y : parts extracted from the conductor side.
• f :
internal
component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• USB MICOM board is multi-layer printed board.
However, the patterns of intermediate-layers have not
However, the patterns of intermediate-layers have not
been included in diagrams.
• Circuit Boards Location
USB MICOM board
SUB TRANS board
MAIN board
AMP board
TRANS board
DISPLAY board
KEY LEFT board
KEY RIGHT board
KEY UPPER board
KEY CENTER board
AUDIO IN board
HDD LED (A) board
USB CONNECTOR board
HDD LED (B) board
MIC board
TUNER (FM/AM)
MOTOR board
CD board
Ver. 1.1
HCD-GTX999
HCD-GTX999
22
22
6-6. PRINTED WIRING BOARD - CD Board -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
13
14
R32
6
R325
C323
C401
R401
C208
C214
C267 C268
C322
R32
3
R322
R321
R324
CD BOARD (COMPONENT SIDE)
(CONDUCTOR SIDE)
R201
C21
1
C321
R301
C212
C213
R203
C202
C218
C21
9
C205
C220
R27
6
R275
C271
C201
C270
C269
C203
R272
R277
C272
C215
R27
8
C232
R105
R104
R101
R102
C102
C101
X201
C104
C105
C302
C303
R260
C21
0
Q321
C207
R302
C301
C257
R256
C404
D440
D441
R440
C440
C403
CN301
IC201
C259
R257
C258 C260
C261
R258
R259
R206
C206
R202
CN101
MAIN BOARD
CN203
A
R265
R266
R267
C264
C265
C204
C103
R103
R292
R268
R106
C106
C256
C254
C253
C251 C252
R254
R255
R252
R253
R279
R280
C217
C291
C292
R269
R270
R291
R426
C425
TP5 (VC)
TP3 (TEI)
TP216
(RFACO)
C422
C428
C429
C430
C405
R425
R281
R432
IC401
C421
R421
C423
C424
R422 R423
M402
M401
S201
CD BOARD
(Page 30)
HCD-GTX999
HCD-GTX999
23
23
6-7. SCHEMATIC DIAGRAM - CD Board -
• See page 35 for waveforms. • See page 48 for IC Block Diagrams.
IC B/D
IC B/D
L-OUT
R-OUT
R256
C259
R257
C261
C208
TP114
C301
TP221
TP3 (TEI)
(VC)
C206
TP215
TP313
R322
R321
TP212
R324
TP1
TP307
TP310
TP306
TP214
TP308
TP209
TP311
TP220
TP305
TP213
TP216
(RF
ACO)
R265
R26
6
R26
7
TP218
TP201
TP210
TP226
TP312
TP224
C212
C213
CD BOARD
C219
C220
TP404
TP405
TP405
R103
TP105
R275
TP102
C201
TP205
TP106
C203
TP101
TP314
R272
R106
R277
C272
TP206
TP403
TP222
TP227
TP223
TP225
TP207
TP116
TP204
TP115
TP113
TP104
MAIN
BOARD
(1/3)
CN203
A
TP202
TP219
TP203
TP401
TP211
TP5
TP412
TP411
TP304
R105
R104
R104
R101
R102
R260
C210
TP309
C253
C251
R254
R255
R252
R253
TP103
C207
C270
22
6.3V
C269
22
6.3V
TP4
TP303
TP302
TP302
TP208
TP406
TP301
TP402
C401
TP112
C202
C204
C258
C214
C232
C215
C267
C268
C321
C254
C252
C264
R25
8
R269
R291 100
C291 470p
R292 100
C292 470p
TP407
TP408
TP409
TP410
TP410
C205
R423
R432
C42
3
R425
R422
C404
R426
TP2
C425
R42
1
C424
D440
D441
R440
IC201
X201
R270
C265
C260
C271
C257
C256
C440
C430
C429
C42
8
R278
R276
C218
C217
R268
C211
R203
R206
C105
C104
C103
C106
C102
C101
R401
C303
C302
R301
R302
C322
C323
R323
R326
R325
C405
C403
C42
2
C421
IC401
CN101
CN301
M401
M402
R201
R202
R281
Q321
R280
R279
S201
R259
(Page 31)
HCD-GTX999
HCD-GTX999
24
24
6-8. PRINTED WIRING BOARD - USB MICOM Board -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
1
5
1
17
1
5
1
3
1
8
9
1
36
1
9
28
27
8
5
4
1
64
49
48
33
32
17
7
1
16
1
19
18
10
37
36
1
144
109
108
72
73
64
48
49
33
32
17
16
16
9
8
1
1
54
28
27
6
5
1
20
16
15
11
10
4
1
8
5
16
C20
FB4
FB5
C41
C48
C50
C51
C52
C53
C54
C59
C79
C80
RB1
C81
RB2 RB3
C83
RB4
C84
RB11
RB5
RB12
RB6
RB13
C87
C88
C89
R085
C93
C99
C2
C3
C4
C5
C7
C8
R102
R103
R105
R1
16
R1
17
R118
R119
R120
R121
R123
R124
R127
R131
R132
R133
R135
R136
R139
C100
R140
R142
R143
R145
JR4
IC2
C1
13
IC3
IC4
C115
R151
IC5
IC6
R152
IC7
R153
R154
IC9
R157
R10
R11
R12 R16
C128
TP1
C129
TP2
TP3
TP4
TP5
TP6
TP7
C130
TP8
C131
TP9
C132
C133
C136
C138
C139
C140
R30
R1
R35
R36
C146
C147
R4
R38
R5
R39
R40
C150
R43
R44
TP10
TP11
TP12
TP13
R48
C158
TP14
R49
TP15
TP16
TP17
R50
C160
R51
C161
C162
R53
C164
R55
R56
R57
R58
R59
R60
R61
R63
R64
R65
R66
R67
R68 R69
R71 R72 R73
R74
R75
R76 R77
R78
R79
R82
R83
R88
R89
CN2
CN3
CN6
CN7
R93
CN8
X1
X2
R96
X4
X5
C10
C1
1
C12
C13
IC10
IC12
IC13
C21
C22
C24
C23
C25
C26
C27
C28
C29
C30
C31
C32 C33
C34
C35
C36
C37
C38
FB1
C39
FB2
FB3
FB6
R108
FB7
FB8
C40
FB9
5
4
1
8
28
15
14
48
25
24
5
4
3
1
1
1
C42
C43
C44
C45
C46
C47
C49
C55
C56
C57
C58
C60
C61
C62
C63
C64
C65
C66
C67
C68
C69
C70
C71
C72
C73
C74
C75
C76
C77
C78
C82
C86
C90
C96
C97
C98
C1
C9
D1
D2
R100
R104
R107
R109
R1
10
R122
R125
R126
R128
R129
R130
R137 R138
C101
C102
C103
C104
C105
C106
C107
C108
R144
C109
C110
C
111
IC1
C1
12
JR7
C1
14
R150
C116
C117
C118
IC8
R155
C1
19
C120
C121
C123
C124
C125
R15
C126
C127
R17
R19
R20
R21
R22
R23
R24
R25
R25
R26
R27
R28
R29 R31
C141
R32
C142
R33
C144
C145
R2
R3
R37
C149
R6
R7
R8
R9
C151
R41 R42
R46
R47
C159
C163
R54
R62
R80
R86
R90
R94
R95
R98
R99
C14
C15
C16
C17
C18
IC11
C19
IC14
C166
C165
USB MICOM BOARD
1-876-380-
12
(12)
D
B
MAIN
BOARD
CN103
MAIN
BOARD
CN202
MAIN
BOARD
NO903
C
E
USB CONNECTOR
BOARD
CN832
HARD DISK DRIVE
(80GB) (1/2)
A
B
C
D
E
1
2
3
4
5
6
7
8
9
(SIDE A)
USB MICOM BOARD
1-876-380-
12
(12)
(SIDE B)
Note 2: Refer to “REPLACEMENT PROCEDURE
OF HDD” (page 4) of the servicing notes
for HDD is exchanged.
for HDD is exchanged.
Note 1: IC5 and IC13 on the USB MICOM board cannot exchange
with single. When these parts on the USB MICOM board
are damaged, exchange the entire mounted board.
are damaged, exchange the entire mounted board.
(Page 30)
(Page 30)
(Page 30)
(Page 29)
Ref. No. Location
• Semiconductor Location
Ref. No. Location
D1
C-6
D2
E-6
IC1
B-7
IC2
C-3
IC3
B-3
IC4
B-4
IC5
A-2
IC6
A-2
IC7
A-5
IC8
A-8
IC9
D-2
IC10
D-3
IC11
B-8
IC12
C-2
IC13
D-4
IC14
C-6
Click on the first or last page to see other DSK-GTX999 / HCD-GTX999 service manuals if exist.