Sony SRS-GD50IP Service Manual ▷ View online
SRS-GD50iP
21
Pin No.
Pin Name
I/O
Description
1 to 3
PGNDA
-
Ground terminal
4 to 6
PVCCA
-
Power supply terminal (+19V)
7
NC
-
Not used
8
DVDD
-
Power supply terminal (+3.3V)
9
DGND
-
Ground terminal
10
PWM_AP
I
Audio signal input from the digital power amplifi er1
11
NC
-
Not used
12
PWM_BP
I
Audio signal input from the digital power amplifi er1
13
NC
-
Not used
14
PWM_CP
I
Audio signal input from the digital power amplifi er1
15
NC
-
Not used
16
PWM_DP
I
Audio signal input from the digital power amplifi er1
17
HIZ
I
Power down signal input from the system controller “L”: power down
18
RESET
I
Reset signal input from the digital power amplifi er1 “L”: reset
19
FAULT
O
Fault signal output to the digital power amplifi er1
20
SE/BTL
I
Not used
21
THERM
O
Thermal warming signal output to the system controller “H”: OK
22
NC
-
Not used
23 to 25
PVCCD
-
Power supply terminal (+19V)
26 to 28
PGNDD
-
Ground terminal
29, 30
OUTD
O
Audio signal output terminal
31 to 33
PGNDC
-
Ground terminal
34, 35
OUTC
O
Audio signal output terminal
36, 37
PVCCC
-
Power supply terminal (+19V)
38
BSC
I/O
Bootstrap input/output terminal
39
VCLA_CD
-
External capacitor connection terminal
40
BSD
I/O
Bootstrap input/output terminal
41
BYPASS
O
Reference voltage output terminal
42
AGND
-
Ground terminal
43
AVCC
-
Power supply terminal (+19V)
44
NC
-
Not used
45
BSA
I/O
Bootstrap input/output terminal
46
VCLA_AB
-
External capacitor connection terminal
47
BSB
I/O
Bootstrap input/output terminal
48, 49
PVCCB
-
Power supply terminal (+19V)
50, 51
OUTB
O
Audio signal output terminal
52 to 54
PGNDB
-
Ground terminal
55, 56
OUTA
O
Audio signal output terminal
MAIN BOARD IC115 TAS5602DCAR (DIGITAL POWER AMPLIFIER2)
SRS-GD50iP
22
Pin No.
Pin Name
I/O
Description
1 to 3
NO USE
O
Not used
4
SIRCS_IN
I
SIRCS signal input from the remote control receiver
5
P_CONT
O
Power supply on/off control signal output terminal "H": power on
6
ASEL0
O
Audio input selection signal output terminal “L”: iPod or USB, “H”: LINE IN or USB
7
ASEL1
O
Audio input selection signal output terminal “L”: iPod or LINE IN, “H”: USB
8
BYTE
I
External data bus width selection signal input terminal
9
CNVss
I
Change processor mode setting signal input terminal
10
HP_DET
I
Headphone connection detection signal input terminal “H”: headphone is connected
11
HP_MUTE
O
Headphone muting on/off control signal output terminal “L”: muting on
12
RESET
I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
13
Xout
O
System clock output terminal (5 MHz)
14
Vss
-
Ground terminal
15
Xin
I
System clock input terminal (5 MHz)
16
Vcc1
-
Power supply terminal (+3.3V)
17
NMI
I
Not used
18
DAMP_RESET
O
Reset signal output to the digital power amplifi er1 “L”: reset
19
DAMP_PDN
O
Power down signal output to the digital power amplifi er1 “L”: power down
20
AC-CUT
I
AC cut detection signal input terminal “L”: AC cut
21
DAMP_MUTE
O
Muting on/off control signal output to the digital power amplifi er1 “L”: muting on
22
DAMP_SCL
O
Serial data transfer clock signal output to the digital power amplifi er1
23
DAMP_VALID
I
Valid signal input from the digital power amplifi er1 “H”: valid
24
DAMP_SDA
O
Serial data output to the digital power amplifi er1
25
DAMP_THM
I
Thermal warming signal input from the digital power amplifi er2 “H”: OK
26
DC_DET
O
Speaker DC detection signal input terminal “L”: DC detect
27
IPOD_VBUS
O
VBUS power supply on/off control signal output terminal “H”: power on
28
IPOD_CP_RESET
O
Reset signal output to the EEPROM “L”: reset
29
IPOD_CP_CLK
I/O
Two-way I2C clock bus with the EEPROM
30
IPOD_CP_DATA
I/O
Two-way I2C data bus with the EEPROM
31
UART_TXD1
O
Transmit data output terminal
32
UART_RXD1
I
Receive data input terminal
33
PC_VBUS
O
Not used
34
IPOD_ACCDET
O
Accessory detection signal output to the iPod connector
35
IPOD_TX
O
Serial data output to the iPod connector
36
IPOD_RX
O
Serial data input from the iPod connector
37
IPOD_DET
I
iPod connection detection signal input terminal “L”: iPod is connected
38
IPOD_ACCID
O
Accessory indicator signal output to the iPod connector
39
IPOD_ACCP
I
Wake-up signal input from the iPod connector
40
PC_CONNECT
O
USB data from iPod connector on/off selection signal output terminal “H”: USB data on
41
NO USE
O
Not used
42
LED_PC_CONNECT
O
VBUS detection signal output to the USB controller and D/A converter
43 to 45
NO USE
O
Not used
46
NO USE
I
Not used
47
I2C_DATA
O
Not used
48
I2C_CLK
O
Not used
49
KEY_PC_CONNECT
I
SYNC on/off switch input terminal “H”: SYNC on
50 to 61
LED_VOL_23 to
LED_VOL_12
O
LED drive signal output terminal for volume level indicator “H”: LED on
62
Vcc
-
Power supply terminal (+3.3V)
63
NO USE
O
Not used
64
Vss
-
Ground terminal
65, 66
NO USE
O
Not used
67
KEY_ECO
I
Not used
68, 69
NO USE
O
Not used
70
EEPROM_SDA
I/O
Two-way I2C data bus with the EEPROM
71
EEPROM_SCL
I/O
Two-way I2C clock bus with the EEPROM
72
LED_STANDBY
O
LED drive signal output terminal for STANDBY indicator “H”: LED on
73
KEY_POWER
I
POWER key input terminal
74
KEY_VOL_A
I
Jog dial pulse input from the rotary encoder (A phase input) (for VOLUME)
MAIN BOARD IC501 R5F3640DDA04FAR-128 (SYSTEM CONTROLLER)
SRS-GD50iP
23
Pin No.
Pin Name
I/O
Description
75
KEY_VOL_B
I
Jog dial pulse input from the rotary encoder (B phase input) (for VOLUME)
76
NC
-
Not used
77
USB_HUB_SDA
I/O
Not used
78
USB_HUB_SCL
I/O
Not used
79
USB_HUB_RESET
O
Not used
80 to 91
LED_VOL_11 to
LED_VOL_0
O
LED drive signal output terminal for volume level indicator “H”: LED on
92
LED_LINE
O
LED drive signal output terminal for LINE IN indicator “H”: LED on
93
LED_IPOD
O
LED drive signal output terminal for iPod indicator “H”: LED on
94
LED_PC
O
LED drive signal output terminal for PC indicator “H”: LED on
95
LED_BASS
O
LED drive signal output terminal for BASS indicator “H”: LED on
96
AVss
-
Ground terminal
97
KEY_INPUT
I
INPUT key input terminal
98
Vref
I
Reference voltage (+3.3V) input terminal
99
AVcc
-
Power supply terminal (+3.3V)
100
KEY_BASS
I
BASS key input terminal
24
SRS-GD50iP
SECTION 5
EXPLODED VIEWS
1
4-114-851-01 FOOT
2
4-142-167-01 COVER,
BOTTOM
3
4-674-137-11 SCREW
(PTP2X5)
4
4-142-174-01 PLATE, LIGHT GUIDE
5
4-142-170-01 SWITCH
A
6
4-142-176-21 BUTTON
(INPUT)
7
4-142-172-01 WINDOW
8
4-142-176-11 BUTTON
(BASS)
9
4-142-176-01 BUTTON
(l/1)
10
4-142-173-01 VOLUME
11
X-2514-641-1 TOP
COVER
ASSY
12
3-277-576-01 ESCUTCHEON
13
4-142-175-01 COVER,
REAR
14
A-1736-050-A MAIN BOARD, COMPLETE
(Including DOCK and LED boards)
15
A-1728-980-A COMPLETE ASSY (DOCK) (CONTROL BOX)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#2
7-685-103-19 SCREW +P 2X5 TYPE2 NON-SLIT
#3
7-685-133-19 SCREW +P 2.6X6 TYPE2
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. CONTROL BOX SECTION
(included in
MAIN board)
MAIN board)
not supplied
not
supplied
not
supplied
#1
#3
#2
#1
#1
#1
10
11
9
8
7
6
5
4
3
2
1
14
13
12
14
(included in
MAIN board)
MAIN board)
(including
DOCK and LED board)
DOCK and LED board)
14
3
15
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