Schematic Diagram - Main Section (2/5) - Sony HT-GT1 Service Manual

HT-GT1
6-5.

SCHEMATIC DIAGRAM - MAIN Section (2/5) -

1 2 3 4
MAIN BOARD (2/5)
A
AMP_DATA_LR
AMP_LRCK
>107S
AMP_DATA_SW
MAIN AMP_BCK
BOARD
AMP_MCK
(1/5)
(Page 33)
DGND
AVDD+5V
B
R071
10
1.7 16
15
14
13
12
11
C
2.4 10
9
C013
10
16V
AVDD+5V
R090 2.2k CL014
>111S
D R086 2.2k CL013
MAIN R097 2.2k CL015
BOARD
R098 2.2k CL003
(3/5)
(Page 35)
+12V
E3.3V
R095 R099
C039 C035
2.2k 1k
10 0.001
E
R094
C041 C042 C040
2.2k
0.001 0.001 10
R096
2.2k
F
G
H
C038 R093
0.001 2.2k
I
R083
C028 C027
2.2k
4.7 0.001
50V
C029
4.7 R084
50V
2.2k
C032
4.7
R088
J
50V 2.2k
C031
C030 R085 C033
0.001 2.2k 0.001 4.7 R087
50V
2.2k
(Page 37) R089
2.2k
>117S
PROTECT_DET
K MAIN
BOARD
(5/5)
(Page 36)
DC_OFFSET 3.3
>110S
E3.3V
3.3
LINE_MUTE
MAIN
BOARD O-DAMP-RESET
Q013
-0.5
(4/5) LTA014EUBFS8TL
F_SPK_RELAY
L (NOT USE)
PROTECT_DET
(Page 37)
>112S
R124
E3.3V
0
MAIN 12V_GND
BOARD
+12V
(5/5)
>113S
M
PVDD_GND
JL016
MAIN
PVDD
BOARD
(5/5)
(Page 37)
HT-GT1
• See page 46 for IC Block Diagrams.
5 6 7 8 9
IC004 IC005
D/A CONVERTER D/A CONVERTER
IC004 IC005
PCM1754DBQR R074 R073 R072 PCM1754DBQR
10 10 10 R075
10
1 1.6 1.7 16
SCK BCK SCK
2 1.2 15
FMT DATA FMT DATA
3 1.6 14
MUTE LRCK MUTE LRCK
4 13
DEMP DGND DEMP DGND
5 12
TEST NC TEST
6 4.9 11
ZEROA VCC ZEROA
7 2.5 2.4 10
VCOM VOUTL VCOM VOUTL
8 2.5 9
C016
AGND VOUTR AGND VOUTR
10
16V
C015 C014
10 0.1
16V
CL019
R111
0
R109
2.2k
R110 C121 C122 R058 R059 C003
2.2k 100 0.1 10k 10k 100p
10V
R061
100
R125
0
C005
10
IC007 IC001
DAC LPF PRE AMP
IC007 IC001
BA4558F-E2 BA4558F-E2
R057
10k
R126 R116 R055 R056
0 10k 10k 0
R060
C001 C004
100
R054 100p 10
10k
R101 R119 R066
C034 R091 C023 C009 C008
1k 10k 100
0.001 2.2k 0.001 100p 4.7
50V
R081 R117 R068 R067
R080
2.2k 2.2k 10k 0
2.2k
R070
10k
IC006 IC003
DAC LPF PRE AMP
IC006 IC003
BA4558F-E2 BA4558F-E2
C007
4.7
50V
R065
R079 R092 R062 100
2.2k 2.2k 10k
R063 R064
10k 0
R082 R118
2.2k 2.2k C006
R103 R120
1k 10k 100p
C022
0.001
10 11 12 13
R078 R077 R076
10 10 10
1 1.6
BCK
2 1.2
3 1.6
4
5
NC
6 4.9
VCC
7 2.5
8 2.5
C018 C017
10 0.1
16V
R121
100
1.2
Q012
0
LSCR523UBFS8TL
DC DETECT
R107 C046
100k 2.2
50V
C097 C098 C101
0.1 4.7 0.1
R015
3.3
R014 3.3
R009
0
R005 R007
15k 15k
C089
0.0047
C096
220p
CL016
1.1 1
R004
OC_ADJ
100 CL017
3.2 2
RESET
CL018
3.2 3
C_STARTUP
CL005
1.9 4
INPUT_A
CL006
1.9 5
INPUT_B
C092 1
1.9 6
VI_CM
CL001
7
IC002
GND_7
8
AGND
CL002
3.2 9 POWER AMP
VREG
CL007 IC002
1.9 10
TAS5613APHDR
INPUT_C
CL008
1.9 11
INPUT_D
0.9 12
FREQ_ADJ
R006 R008 13
10k 10k OSC_IO+
14
OSC_IO-
JL003
3.3 15
SD
R001 16
C120
100 OTW1
100
16V
C093
0.1
R016
3.3
C021 R017
3.3
0.1
R012
0
C020
0.1
C037
0.1
R011 C102
C026
0 0.1
0.1
R025
10k
34 34
14 15 16 17 18
Q002 - 007
OVER LOAD DETECT
R108
100
17.9 17.9 17.9
0 17.9 0 17.9 0
Q002 Q004
2PB709ART 2PB709ART
17.9 17.9 17.9
0 17.9 0 17.9 0
Q003 Q005
2PB709ART 2PB709ART
C080 C081 C082
47 10 10
R041 R044
220k 220k
R040 R042 R043 R045 R046
220k 220k 220k 220k 220k
R049
2.2k
R022 C104 C049 C050 C051 R029
10 2.2 470 470 470 10k
1/2W 50V 50V 50V
R050
C114 R028 10k
220p 10k
C113
220p C064
JL008 0.0022
C065
0.0022
JL009
C058 R032
1 3.3
63V
C059 R033
1 3.3
63V
C066
0.0022
L006
10uH
R021 C067
48
10 C115 C116 0.0022
GND_A_48
220p 220p
1/2W
47
GND_B_47
46
GND_B_46
45 17.4
OUT_B_45
44 17.4
OUT_B_44 JL010
C108
43 36.2
D010 2.2 C088
PVDD_B_43
0.01
SK310A-R3
42 36.2
PVDD_B_42
JL011
41 29.1
BST_B C106 0.1
40 29.1
C085
BST_C C107 0.1
0.01
JL012
39 36.2
PVDD_C_39
38 36.2 D011
C109
PVDD_C_38 SK310A-R3
2.2
37 17.4
JL013
OUT_C_37
36 17.4
OUT_C_36 L005
35 10uH
GND_C_35
34
GND_C_34
33 R020
C112 C117 C068
GND_D_33 10
220p 220p 0.0022
1/2W
C069
0.0022
C060 R034
1 3.3
63V
C061 R035
JL014
1 3.3
63V
JL015 C070
0.0022
C110
220p
C071
0.0022
C111 R031
220p 10k
R019 C105 C052 C053 R030
10 2.2 470 2200 10k
1/2W 50V 50V
Note: When the IC002 on the MAIN board is replaced, refer to
"NOTE OF REPLACING THE IC002 ON THE MAIN
BOARD AND THE COMPLETE MAIN BOARD" on page 5.
19 20 21 22
17.9
Q006
2PB709ART
17.9
Q007
2PB709ART
R047
220k
R048
220k
0.7
0
Q008
LSCR523UBFS8TL
C072
RELAY DRIVE
0.022
C073
0.022
R036
3.3
R037
3.3
C074
C083
0.022
0.0047
C075
0.022 C084
0.0047
CN2001
2P
CL009
1 SW+
CL010 SP1
(SUBWOOFER)
2 SW–
JL018 C087
TB003
0.01
-1
-2 +
R
–
SPEAKERS
C062 FRONT
+
1000 RY001
50V L
–
C076
0.022 D008 C086
JL017
DA2J10100L 0.01
C077 CL012 CL011
0.022
R026 R051 R038
330 330 3.3
2W 2W
R053 C126
0 0.1
ET010
R039
3.3 R112
ET001 (CHASSIS)
0
R027 R052 C078
330 330 0.022 R113
ET002 (CHASSIS)
2W 2W 0
C079
C123
0.022
ET003 (CHASSIS)
0.1
C063
1000
(CHASSIS)
50V