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SRS-GD50iP
4-4.
SCHEMATIC DIAGRAM - MAIN Board (2/3) -
1
2
3
4
(2/3)
MAIN BOARD
A
DC_DET
DAMP_RESET
DAMP_PDN
DAMP_MUTE
4
DAMP_SDA
DAMP_SCL
MAIN
DAMP_VALID
BOARD
(3/3)
DAMP_THM
B
(Page
P_CONT
13)
IPOD_VBUS
SIRCS_IN
C
D
E
F
1
2
G
3
4
3
5
MAIN
BOARD
6
(1/3)
7
(Page 11)
H
8
9
10
11
IC105
SWITCHING
I
REGULATOR
IC105
SI-8008TM-TLS
IC B/D
1
2
3
4
5
J
R175
D101
820
M1FM3
IC510
SWITCHING
K
REGULATOR
IC510
SI-8008TM-TLS
IC B/D
1
2
3
4
5
IC100
L
R641
R642
1.2k
1.5k
REMOTE CONTROL
RECEIVER
L110
IC100
1
3
2
47uH
NJL21V400A-M
R101
100
C578
M
C104
C100
R100
R640
D102
470
R900
100p
10
47
820
M1FM3
6.3V
SRS-GD50iP
• See Page 17 for IC Block Diagrams. • See Page 20 for IC Pin Function Description.
5
6
7
8
IC B/D
IC511
5
4
C553
+3.3V REGULATOR
470
6.3V
1
2
3
C582
0.1
R646
C583
10k
C210
C212
C214
100
10
10V
10
0.1
R647
0
C208
0.1
R214
2.2k
R212
R211
C203
16k
10k
0.01
R213
C204
10k
0.01
R207
100
R208
100
R209
100
R210
100
C206
10
R215
10k
C207
0.1
C205
10
C209
C211
R206
10
0.1
100
RSR25P03TL
5.2
S
R187
R178
R179
220k
2.2k
2.2k
IC108
IC B/D
VOLTAGE DETECT
IC108
L102
C161
C164
PST3660UL
47uH
470
0.1
6.3V
0
1
GND
OUT
4
5.2
0
2
VDD
3
CD
C174
0.1
D100
1SR154-400TE-25
5
4
IC512
+5V REGULATOR
IC512
NJM2831F05(TE1)
IC B/D
1
2
3
C551
C567
R621
C552
C580
330
470
1k
0.01
0.1
25V
6.3V
0
9
10
11
C217
R237
4700p
470
C215
0.047
C216
0.047
R236
C213
470
4700p
C218
0.1
C239
C240
C242
220
220
220
25V
25V
25V
IC B/D
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
3.4
9.5
17
PDN
OUT_B
64
18.9
18
VREG_EN
PVCC_B
63
1
18.9
19
OSC_RES
PVCC_B
62
19.4
20
DVSS
BST_B
61
3.4
10.8
C230
1
21
MUTE
VCLAMP_AB
60
1.7
19.4
22
BST_A
LRCK
59
IC114
1.7
18.9
23
SCLK
AVCC
58
24
SDIN2
AGND
57
DIGITAL POWER AMP1
C231
1
2.4
IC114
25
SDIN1
BYPASS
56
TAS5706PAPR
19.4
26
DVSS
BST_D
55
1.8
10.8
C232
1
27
VR_DIG
VCLAMP_CD
54
3.4
19.4
28
SDA
BST_C
53
3.4
18.9
PVCC_C
29
SCL
52
0
18.9
30
HPSEL
PVCC_C
51
9.5
31
STEST
OUT_C
50
3.5
9.5
32
TEST2
OUT_C
49
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
C224
C219
C220
C221
C222
220
0.01
0.01
0.1
0.1
25V
Q104
5.2
Q104, 105
B+ SWITCH
3.4
Q105
RT1N141M-TP-1
Q115, 116
POWER ON/OFF
0
0
0
3.5
R188
100
0
Q115
RT1N141M-TP-1
C178
0.1
C143
C142
220
0.1
25V
12
12
12
13
14
15
R251
100k
9.5
C269
Q107
10
Q108
ISA1235AC1TP-1EF
ISA1235AC1TP-1EF
9.5
3.4
9.5
9.5
R250
0
100
0
0
Q106
R249
C260
2SC3052EF-T1-LEF
100k
0.1
DC DETECT
C555
C556
R253
R252
L111
1
1
100k
100k
22uH
L112
22uH
R254
Q107 - 112
100k
OVER LOAD
DETECT
C238
0.1
C278
9.5
9.5
Q109
10
Q110
C237
ISA1235AC1TP-1EF
ISA1235AC1TP-1EF
0.1
9.5
9.5
C236
0.1
0
0
C247
C241
0.033
0.033
C248
0.033
C243
0.033
IC115
DIGITAL POWER AMP2
IC115
TAS5602DCAR
L113
22uH
C235
0.01
57
C227
220
GND
C234
25V
9.5
0.01
PGNDA
1
56
OUTA
PGNDA
9.5
C226
2
OUTA
55
C233
0.1
PGNDA
0.01
3
54
C557
PGNDB
18.9
1
PVCCA
4
53
PGNDB
18.9
PVCCA
5
52
PGNDB
C223
18.9
9.5
C558
PVCCA
220
1
6
51
OUTB
25V
9.5
NC
7
50
OUTB
3.3
18.9
DVDD
8
49
PVCCB
L114
22uH
C225
10
18.9
DGND
9
PVCCB
48
1.6
PWM_AP
19.4
10
47
BSB
C252
1
NC
10.8
11
46
VCLA_AB
1.6
PWM_BP
19.4
12
45
BSA
NC
13
44
NC
1.6
18.9
PWM_CP
14
43
AVCC
NC
15
42
AGND
1.6
2.4
C254
1
PWM_DP
16
41
BYPASS
3.4
HIZ
19.4
17
40
BSD
C256
1
3.4
RESET
10.8
18
39
VCLA_CD
3.3
FAULT
19.4
19
38
BSC
18.9
SE/BTL
20
37
PVCCC
3.4
18.9
THERM
21
36
PVCCC
9.5
NC
22
35
OUTC
18.9
9.5
PVCCD
23
34
OUTC
18.9
PVCCD
0
24
PGNDC
33
18.9
PVCCD
25
32
PGNDC
3.1
PGNDD
26
31
PGNDC
9.5
PGNDD
C229
27
30
OUTD
Q116
0.1
9.5
PGNDD
RT1N141M-TP-1
28
29
OUTD
C228
220
25V
C259
220
25V
R645
10k
16
17
18
19
R257
100k
9.5
C279
Q111
10
Q112
ISA1235AC1TP-1EF
ISA1235AC1TP-1EF
9.5
9.5
9.5
0
0
R258
R259
100k
100k
J103
L
R
R256
R255
100k
100k
C559
C560
1
1
L108
22uH
+
TB100
FB115
SUBWOOFER
-
4
3
1
2
FB116
C251
0.022
C253
0.022
C255
0.022
C257
0.022
FB117
L109
22uH
4
3
1
2
FB118
(Page 13)
C561
C562
1
1
GND
5
C249
C250
C246
C245
C244
220
100
0.1
0.1
0.1
25V
25V
MAIN
VCC
BOARD
3.3V
(3/3)
J102
–
+
DC IN 19V
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