SRS-GD50iP
SRS-GD50iP
8
8
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
LINEOUT-L 27
LINEOUT-R
R-CH
VBUS
28
ACC ID 10
TXD 19
RXD 18
Acc DET 20
ACC PWR 13
PGND 30
VBUS
8
WAKE UP
Q503
BUFFER
Q901
BUFFER
Q900
J100
J103
USB CONTROLLER
IC102
D/A CONVERTER
IC110
CN900
(iPod/iPhone Dock)
USB+
3
USB-
2
USB D+
4
USB D-
6
CN101
USB
J101
LINE IN
R-CH
INPUT SELECT
IC106
X103
24MHz
A/D CONVERTER
IC113
DIGITAL POWER AMP2
IC115
DIGITAL POWER AMP1
IC114
HP_DET
HP_MUTE
HP_DET
HP_MUTE
R-CH
R-CH
X101
12MHz
LPF
LPF
MUTING
CONTROL
Q102
MUTING
Q100, Q101
LPF
LPF
LPF
LPF
OVER LOAD
DETECT
Q107, Q108
OVER LOAD
DETECT
Q109, Q110
LPF
LPF
LPF
LPF
OVER LOAD
DETECT
Q111, Q112
DC DETECT
Q106
J102
POWER ON/OFF
Q115, Q116
B+ SWITCH
Q104, Q105
RESET SWITCH
Q502
L
R
TB100
SUBWOOFER
DC IN 19V
–
+
AMP +19V
+3.3V
A +5V
AMP +3.3V
VBUS
+5V
R-CH
R-CH
X102
12.288MHz
LED DRIVE
Q828
D828
BASS
LED DRIVE
Q827
D827
PC
LED DRIVE
Q826
D826
iPod
LED DRIVE
Q825
D825
LINE IN
LED DRIVE
Q824
ROTALY
ENCODER
D824
STANDBY
LED DRIVE
Q800 - 823
D800 - 823
91-80,
EEPROM
IC500
EEPROM
IC502
S802
ON
OFF
INPUT
S803
SYNC
S807
(MULTI JOG)
S801
BASS
S800
I/
1
X500
5MHz
SIGNAL PATH
: AUDIO
: USB
: LINE IN
R-ch is omitted due to same as L-ch.
VOLUME
INDICATOR
i