Sony HT-XT3 Service Manual ▷ View online
HT-XT3
61
Pin No.
Pin Name
I/O
Description
K23
AVSS33_DAC
-
Ground terminal
K27
CH0_P_SUB
I
TMDS data (positive) input from the HDMI IN 2 connector
K28
CH0_M_SUB
I
TMDS data (negative) input from the HDMI IN 2 connector
L1
NC
-
Not used
L2
NC
-
Not used
L3, L4
NC
-
Not used
L5
DDRVCCIO1
-
Power supply terminal (+1.5V)
L10
DVCC12_K
-
Power supply terminal (+1.2V)
L11 to L18
DGND12_K
-
Ground terminal
L19
DVCC12_K
-
Power supply terminal (+1.2V)
L22
AVSS33_PLLGP
-
Ground terminal
L24
VOUTHSYNC
-
Not used
L25
VOUTVSYNC
-
Not used
L27
CLK_P_SUB
I
TMDS clock (positive) signal input from the HDMI IN 2 connector
L28
CLK_M_SUB
I
TMDS clock (negative) signal input from the HDMI IN 2 connector
M1
NC
-
Not used
M2
NC
-
Not used
M3
DDRVCCIO1
-
Power supply terminal (+1.5V)
M4
DGND12_K
-
Ground terminal
M5, M6
NC
-
Not used
M8
DDRVCCIO1
-
Power supply terminal (+1.5V)
M10
DVCC12_K
-
Power supply terminal (+1.2V)
M11 to M18
DGND12_K
-
Ground terminal
M19
DVCC12_K
-
Power supply terminal (+1.2V)
M22
AVSS33_HDMI
-
Ground terminal
M27
HDMI_RX_2
I
TMDS data (positive) input from the HDMI IN 1 connector
M28
HDMI_RX_2B
I
TMDS data (negative) input from the HDMI IN 1 connector
N1
NC
-
Not used
N2
NC
-
Not used
N3
NC
-
Not used
N4
NC
-
Not used
N5
NC
-
Not used
N6
NC
-
Not used
N7
DDRVCCIO1
-
Power supply terminal (+1.5V)
N8
DDRVREF_A
I
Reference voltage (+0.75V) input terminal for SD-RAM
N10
DVCC12_K
-
Power supply terminal (+1.2V)
N11 to N18
DGND12_K
-
Ground terminal
N19
DVCC12_K
-
Power supply terminal (+1.2V)
N20
AVSS33_HDMI_SUB
-
Ground terminal
N23
AVDD12_HDMI_RX
-
Power supply terminal (+1.2V)
N27
HDMI_RX_1
I
TMDS data (positive) input from the HDMI IN 1 connector
N28
HDMI_RX_1B
I
TMDS data (negative) input from the HDMI IN 1 connector
P3, P4
NC
-
Not used
P5
NC
-
Not used
P6
NC
-
Not used
P8
DDRVCCIO1
-
Power supply terminal (+1.5V)
P10
DVCC12_K
-
Power supply terminal (+1.2V)
P11 to P18
DGND12_K
-
Ground terminal
P19, P20
DVCC12_K
-
Power supply terminal (+1.2V)
P22
VOUTCLK
-
Not used
P23 to P26
VOUTD14, VOUTD12,
VOUTD13, VOUTD15
-
Not used
P27
HDMI_RX_0
I
TMDS data (positive) input from the HDMI IN 1 connector
P28
HDMI_RX_0B
I
TMDS data (negative) input from the HDMI IN 1 connector
R1
NC
-
Not used
R2
NC
-
Not used
HT-XT3
62
Pin No.
Pin Name
I/O
Description
R3, R4
NC
-
Not used
R5
NC
-
Not used
R7
DDRVCCIO1
-
Power supply terminal (+1.5V)
R8
DGND12_K
-
Ground terminal
R10
DVCC12_K
-
Power supply terminal (+1.2V)
R11 to R19
DGND12_K
-
Ground terminal
R20
DVCC12_K
-
Power supply terminal (+1.2V)
R22
AVSS33_HDMI_RX
-
Ground terminal
R23, R24
VOUTD8, VOUTD3
-
Not used
R25
AVDD33_HDMI_SUB
-
Power supply terminal (+3.3V)
R26
AVDD33_HDMI_RX
-
Power supply terminal (+3.3V)
R27
HDMI_RX_C
I
TMDS clock (positive) signal input from the HDMI IN 1 connector
R28
HDMI_RX_CB
I
TMDS clock (negative) signal input from the HDMI IN 1 connector
T1 to T3
NC
-
Not used
T4
NC
-
Not used
T5, T6
NC
-
Not used
T7
DGND12_K
-
Ground terminal
T8
DDRVCCIO1
-
Power supply terminal (+1.5V)
T10
DVCC12_K
-
Power supply terminal (+1.2V)
T11 to T18
DGND12_K
-
Ground terminal
T19, T20
DVCC12_K
-
Power supply terminal (+1.2V)
T22
AVSS33_BG
-
Ground terminal
T26
VOUTD10
-
Not used
T27
AVDD33_BG
-
Power supply terminal (+3.3V)
U3 to U5
NC
-
Not used
U6
NC
-
Not used
U7
DDRVCCIO1
-
Power supply terminal (+1.5V)
U8
DGND12_K
-
Ground terminal
U10
DVCC12_K
-
Power supply terminal (+1.2V)
U12 to U19
DGND12_K
-
Ground terminal
U20
DVCC12_K
-
Power supply terminal (+1.2V)
U21
DVCC33_IO_4
-
Power supply terminal (+3.3V)
U22
AVSS33_X
-
Ground terminal
U23 to U26
VOUTD9, VOUTD7,
VOUTD6, VOUTD11
-
Not used
U27
NC
-
Not used
U28
NC
-
Not used
V1
NC
-
Not used
V2
NC
-
Not used
V3
NC
-
Not used
V4
NC
-
Not used
V5, V6
NC
-
Not used
V7
DGND12_K
-
Ground terminal
V8
DDRVREF_B
I
Reference voltage (+0.75V) input terminal for SD-RAM
V10
DGND12_K
-
Ground terminal
V11
DVCC12_K
-
Power supply terminal (+1.2V)
V12 to V17
DGND12_K
-
Ground terminal
V18
DVCC12_K
-
Power supply terminal (+1.2V)
V19
DGND12_K
-
Ground terminal
V20
DVCC12_K
-
Power supply terminal (+1.2V)
V21
DVCC33_IO_4
-
Power supply terminal (+3.3V)
V22
AVDD33_X
-
Power supply terminal (+3.3V)
V23 to V25
VOUTD2, VOUTD4,
VOUTD5
-
Not used
V28
NC
-
Not used
W1, W2
NC
-
Not used
HT-XT3
63
Pin No.
Pin Name
I/O
Description
W3
DDRVCCIO1
-
Power supply terminal (+1.5V)
W4, W5
NC
-
Not used
W6
NC
-
Not used
W8
DDRVCCIO1
-
Power supply terminal (+1.5V)
W10
DVCC12_K
-
Power supply terminal (+1.2V)
W11, W12
DVCC12_K
-
Power supply terminal (+1.2V)
W13, W14
DVCC12_K
-
Power supply terminal (+1.2V)
W15, W16,
W18, W19
DVCC12_K
-
Power supply terminal (+1.2V)
W20
DGND12_K
-
Ground terminal
W25, W26
VOUTD1, VOUTD0
-
Not used
W27
NC
-
Not used
W28
USB_VRT_P2
-
External reference resistor connection terminal
Y3, Y4
NC
-
Not used
Y7
DDRVCCIO1
-
Power supply terminal (+1.5V)
Y18
DGND12_K
-
Ground terminal
Y20
AVSS33_COM
-
Ground terminal
Y22
AVSS33_USB_P2
-
Ground terminal
Y23
DGND12_K
-
Ground terminal
Y26
AVDD33_USB_P2
-
Power supply terminal (+3.3V)
AA1
NC
-
Not used
AA2
NC
-
Not used
AA3, AA4
NC
-
Not used
AA5
NC
-
Not used
AA6
NC
-
Not used
AA7
DGND12_K
-
Ground terminal
AA15
DDRVREF_D
I
Reference voltage (+0.75V) input terminal for SD-RAM
AA17
DDRVCCIO1
-
Power supply terminal (+1.5V)
AA18
DGND12_K
-
Ground terminal
AA22
AVSS33_LD
-
Ground terminal
AA24
AVDD33_LD
-
Power supply terminal (+3.3V)
AA25
AVDD33_COM
-
Power supply terminal (+3.3V)
AA27
USB_DP_P2
I/O
Two-way USB serial data (+) with the WLAN/BT COMBO card
AA28
USB_DM_P2
I/O
Two-way USB serial data (-) with the WLAN/BT COMBO card
AB1
NC
-
Not used
AB2
NC
-
Not used
AB3
DDRVCCIO1
-
Power supply terminal (+1.5V)
AB4 to AB6
NC
-
Not used
AB8, AB9
DGND12_K
-
Ground terminal
AB11
DDRVCCIO1
-
Power supply terminal (+1.5V)
AB12
DGND12_K
-
Ground terminal
AB13
DDRVCCIO1
-
Power supply terminal (+1.5V)
AB14,
AB15
DGND12_K
-
Ground terminal
AB17
DDRVCCIO1
-
Power supply terminal (+1.5V)
AB18,
AB19
DGND12_K
-
Ground terminal
AB20
AVSS33_LDO
-
Ground terminal
AB21
AVDD12_LDO
-
Not used
AB23
MDIO
-
Not used
AB24
CEC
-
Not used
AB25
HDMISCK
I/O
Two-way I2C clock bus with the HDMI ARC OUT connector
AB26
HDMISD
I/O
Two-way I2C data bus with the HDMI ARC OUT connector
AB27
TXVN_0
-
Not used
AB28
TXVP_0
-
Not used
AC1
NC
-
Not used
AC2
NC
-
Not used
HT-XT3
64
Pin No.
Pin Name
I/O
Description
AC3
DDRVCCIO1
-
Power supply terminal (+1.5V)
AC4
DGND12_K
-
Ground terminal
AC5
AVDD33_MEMPLL
-
Power supply terminal (+3.3V)
AC7
DDRVREF_C
I
Reference voltage (+0.75V) input terminal for SD-RAM
AC8
RDQM2
O
Data mask signal output to the SD-RAM
AC9
DGND12_K
-
Ground terminal
AC10
RBA0
O
Bank address signal output to the SD-RAM
AC11
DDRVCCIO1
-
Power supply terminal (+1.5V)
AC12
RA6
O
Address signal output to the SD-RAM
AC14
DDRVCCIO1
-
Power supply terminal (+1.5V)
AC15
RBA1
O
Bank address signal output to the SD-RAM
AC17,
AC18
RDQ10, RDQ15
I/O
Two-way data bus with the SD-RAM
AC19
DDRVCCIO1
-
Power supply terminal (+1.5V)
AC21
NFRBN2
-
Not used
AC24
GPIO27
O
WOL (wake-on-LAN) wake-up signal output to the system controller “H”: wake-up
AC25
DDC_SCL_RX2
O
I2C clock signal output to the HDMI IN 2 connector
AC26
CEC2
-
Not used
AC27
TXVN_1
-
Not used
AC28
TXVP_1
-
Not used
AD1
NC
-
Not used
AD2, AD3
NC
-
Not used
AD4
AVSS33_MEMPLL
-
Ground terminal
AD8
RA13
O
Address signal output to the SD-RAM
AD9
RRESET
O
Reset signal output to the SD-RAM “L”: reset
AD10
RCAS_
O
Column address signal output to the SD-RAM
AD11 to
AD15
RA14, RA8, RA1,
RA10, RA12
O
Address signal output to the SD-RAM
AD16 to
AD18
RDQ8, RDQ12, RDQ14
I/O
Two-way data bus with the SD-RAM
AD19
DDRVCCIO1
-
Power supply terminal (+1.5V)
AD20
AVDD33_LDO
-
Power supply terminal (+3.3V)
AD21
NFRBN
O
Ready/busy selection signal output to the NAND fl ash “L”: busy, “H”: ready
AD22
NFCLE
O
Command latch enable signal output to the NAND fl ash
AD23
MDC
-
Not used
AD24
DDC_SDA_RX2
I/O
Two-way I2C data bus with the HDMI IN 2 connector
AD25
PWR5V_RX
I
Power supply voltage (+5V) input from the HDMI IN 1 connector
AD26
HTPLG_RX_2
O
Hot plug detection signal output to the HDMI IN 2 connector
AD27
REXT
-
External reference resistor connection terminal
AD28
HTPLG
I
Hot plug detection signal input from the HDMI ARC OUT connector
AE3
NC
-
Not used
AE5
DDRVCCIO1
-
Power supply terminal (+1.5V)
AE6 to AE8
RDQ29, RDQ31,
RDQ30
I/O
Two-way data bus with the SD-RAM
AE9
RWE_
O
Write enable signal output to the SD-RAM
AE10
RODT
O
On die termination enable signal output to the SD-RAM
AE11
RRAS_
O
Row address signal output to the SD-RAM
AE12
RA3
O
Address signal output to the SD-RAM
AE13
RCSX_
-
Not used
AE14
RA4
O
Address signal output to the SD-RAM
AE16
RDQ11
I/O
Two-way data bus with the SD-RAM
AE17
RDQM1
O
Data mask signal output to the SD-RAM
AE18
RDQ13
I/O
Two-way data bus with the SD-RAM
AE19,
AE20
DVCC33_IO_STB
-
Power supply terminal (+3.3V)
AE21
NFREN
O
Read enable signal output to the NAND fl ash
AE22
NFCEN2
-
Not used
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