Sony HT-CT180 Service Manual ▷ View online
HT-CT180
29
• IC Pin Function Description
MAIN BOARD U6 MT8301_OQE (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
AVDD12_2
-
Power supply terminal (+1.2V)
2
AVDD33_1
-
Power supply terminal (+3.3V)
3
XTALI
I
System clock input terminal (27 MHz)
4
XTALO
O
System clock output terminal (27 MHz)
5
V14
I
Reference voltage (+1.4V) input terminal
6
GPO5
O
LED drive signal output terminal (for analog indicator)
7
AVDD33_2
-
Power supply terminal (+3.3V)
8, 9
NC
-
Not used
10
GPIO2
I
Power control signal input terminal
11
USB_DP
I/O
Two-way USB data (+) bus terminal Not used
12
USB_DM
I/O
Two-way USB data (–) bus terminal Not used
13
VDD33_USB
-
Power supply terminal (+3.3V)
14
PAD_VRT
I
USB generating reference current input terminal
15
VDD12_USB
-
Power supply terminal (+1.2V)
16
DV_Y2
I
Volume (–) key input terminal
17
DV_Y3
I
SPDIF signal input terminal (for optical)
18
DV_Y4
I
Volume (+) key input terminal
19
SF_CS
O
Chip select signal output terminal (for serial fl ash)
20
SF_DO
O
Data output terminal (for serial fl ash)
21
SF_DI
I
Data input terminal (for serial fl ash)
22
DVDD33
-
Power supply terminal (+3.3V)
23
SF_CK
O
Clock signal output terminal (for serial fl ash)
24
UP1_6/SCL
O
LED drive signal output terminal (for Bluetooth indicator)
25
UP1_7/SDA
O
LED drive signal output terminal (for Bluetooth indicator)
26
GPIO11
I
Serial data input terminal (for DSP)
27
GPIO6
O
Serial data output terminal (for DSP)
28
PRST_
I
Reset signal input terminal “L”: reset
29
IR_
I
IR control signal input terminal
30
GPIO3/INT_
I
Interrupt request signal input terminal (for NFC)
31
GPIO4
I
Input key input terminal
32
DV_C0
I
Power key input terminal
33
DV_C1
O
Reset signal output terminal (for Bluetooth)
34
DV_C2
I
Status signal input terminal (for Bluetooth)
35
DV_C3
O
Power control signal output terminal (for Bluetooth)
36
SD_MS_D2
I
Audio enable signal input terminal (for Bluetooth)
37
SD_MS_D3
O
Reset signal output terminal (for AMP)
38
GPIO13
I
Status signal input terminal (for Bluetooth)
39
GPIO9
O
FN signal output terminal (for Bluetooth)
40
GPIO8
O
Audio selection signal output terminal
41
GPIO7/CKE_
I/O
Not used
42
DVDD33
-
Power supply terminal (+3.3V)
43 to 50
RD0 to RD7
I/O
Two-way data bus terminal (for SDRAM)
51
DQM0
O
Data mask signal output terminal (for SDRAM)
52, 53
RD15, RD14
I/O
Two-way data bus terminal (for SDRAM)
54
DVDD12
-
Power supply terminal (+1.2V)
55 to 60
RD13 to RD8
I/O
Two-way data bus terminal (for SDRAM)
61
DQM1
O
Data mask signal output terminal (for SDRAM)
62
RCLK
O
Clock signal output terminal (for SDRAM)
63 to 66
RA11, RA9 to RA7
O
Address signal output terminal (for SDRAM)
67
DVDD33
-
Power supply terminal (+3.3V)
68 to 70
RA6 to RA4
O
Address signal output terminal (for SDRAM)
71
RWE_
O
Write enable signal output terminal (for SDRAM)
72
CAS_
O
Column address strobe signal output terminal (for SDRAM)
73
RAS_
O
Row address strobe signal output terminal (for SDRAM)
74
DVDD33
-
Power supply terminal (+3.3V)
75, 76
BA0, BA1
O
Bank address signal output terminal (for SDRAM)
HT-CT180
30
Pin No.
Pin Name
I/O
Description
77 to 81
RA10, RA0 to RA3
O
Address signal output terminal (for SDRAM)
82
DVDD12
-
Power supply terminal (+1.2V)
83
SPDIF/GPIO12
O
Power on/off control signal output terminal
84
GPIO10/HPLG
I
Bluetooth pairing key input terminal
85
EXT_RES
I
External resistor connection terminal
86
AVDD33_12
-
Power supply terminal (+3.3V)
87
TXCN
O
TMDS clock (negative) signal output terminal Not used
88
TXCP
O
TMDS clock (positive) signal output terminal Not used
89
AVDD12_C
-
Power supply terminal (+1.2V)
90
TX0N
O
TMDS data (negative) output terminal Not used
91
TX0P
O
TMDS data (positive) output terminal Not used
92
AVSS12
-
Ground terminal
93
TX1N
O
TMDS data (negative) output terminal Not used
94
TX1P
O
TMDS data (positive) output terminal Not used
95
AVDD12_D
-
Power supply terminal (+1.2V)
96
TX2N
O
TMDS data (negative) output terminal Not used
97
TX2P
O
TMDS data (positive) output terminal Not used
98
GPIO29
O
LED drive signal output terminal (for surround indicator)
99
GPIO30
O
Serial data output terminal (for AMP)
100
GPIO31
O
Clock signal output terminal (for AMP)
101
GPIO32
I
Fault signal input terminal (for AMP)
102
GPIO33
I/O
Not used
103
AVDD33
-
Power supply terminal (+3.3V)
104
VREF/GPIO14
O
Muting signal output terminal (for AMP)
105
FS
I
Full scale adjustment terminal
106
NC
-
Not used
107, 108
AVDD33, AGND12
-
Power supply terminal (+3.3V)
109, 110
NC
-
Not used
111
AKIN2/GPIO19
I
Audio data input terminal
112
ADVCM/GPIO20
O
LED drive signal output terminal (for clear audio+ indicator)
113
AKIN1/GPIO21
O
LED drive signal output terminal (for optical indicator)
114
AADVDD
-
Power supply terminal (+3.3V)
115
APLLVDD_GPIO/
GPIO34
O
Clock signal output terminal (for subwoofer)
116
APLLCAP/GPIO35
O
Serial data output terminal (for subwoofer)
117
ADACVSS
-
Ground terminal
118
LFE/GPIO
O
Master clock signal output terminal
119
ABCK
I
Bit clock signal input terminal (for DAC)
120
AR/GPIO0
O
Audio data (subwoofer) output terminal (for AMP)
121
AVCM
I
Reference voltage input terminal (for DAC)
122
AL/GPIO
I
I2C busy signal input terminal (for subwoofer)
123
ALRCK
I
L/R sampling clock signal input terminal (for DAC)
124
ASDATA0
O
Audio data (L-ch/R-ch) output terminal (for AMP)
125, 126
ADACVDD1,
ADACVDD2
-
Power supply terminal (+3.3V)
127
AVDD12
-
Power supply terminal (+1.2V)
128
NC
-
Not used
129
E-PAD/GND
-
Ground terminal
HT-CT180
31
MAIN BOARD U14 STA339BW (DIGITAL AMP)
Pin No.
Pin Name
I/O
Description
1
GND_SUB
-
Ground terminal
2
SA
I
I2C select address signal input terminal Fixed at “L” in this unit
3
TEST_MODE
I
Fixed at “L” in this unit
4
VSS
I/O
Internal reference voltage (–3.3V) input/output terminal
5
VCC_REG
I/O
Internal reference voltage input/output terminal
6
OUT2B
O
Audio signal (R-ch) output terminal
7
GND2
-
Ground terminal
8
VCC2
-
Power supply terminal
9
OUT2A
O
Audio signal (R-ch) output terminal
10
OUT1B
O
Audio signal (L-ch) output terminal
11
VCC1
-
Power supply terminal
12
GND1
-
Ground terminal
13
OUT1A
O
Audio signal (L-ch) output terminal
14
GND_REG
-
Internal reference ground terminal
15
VDD
I
Internal reference voltage (+3.3V) input terminal
16
CONFIG
I
Parallel mode command signal input terminal Fixed at “L” in this unit
17
OUT3B/FFX3B
O
Not used
18
OUT3A/FFX3A
O
Not used
19
EPAD/OUT4B
O
Not used
20
TWARN/OUT4A
I/O
Not used
21
VDD_DIG
-
Power supply terminal (+3.3V)
22
GND_DIG
-
Ground terminal
23
PWRDN
I
Muting signal input terminal
24
VDD_PLL
-
Power supply terminal (+3.3V) (for PLL)
25
FILTER_PLL
I
Connection to PLL fi lter terminal
26
GND_PLL
-
Ground terminal (for PLL)
27
XTI
I
Master clock signal input terminal
28
BICKI
I
Bit clock signal input terminal
29
LRCKI
I
L/R sampling clock signal input terminal
30
SDI
I
Audio data (L-ch/R-ch) input terminal
31
RESET
I
Reset signal input terminal
32
INT_LINE
O
Fault signal output terminal
33
SDA
I
Serial data input terminal
34
SCL
I
Clock signal input terminal
35
GND_DIG
-
Ground terminal
36
VDD_DIG
-
Power supply terminal (+3.3V)
37
GND
-
Ground terminal
32
HT-CT180
SECTION 5
EXPLODED VIEWS
1
4-564-845-01 KEY
(@/1, INPUT, PAIRING, − VOL, + VOL)
2
9-885-199-20 KEY BOARD, COMPLETE (Including Cushion)
3
4-566-000-01 SCREW (2.6X6 S)
4
4-565-998-01 SCREW (3X8 S)
5
X-2591-065-1 REAR
CABINET
ASSY
6
4-564-837-01 FOOT
CUSHION
7
4-565-999-01 SCREW (3X10 B)
0 8
4-472-176-01 CORD BUSH
0 AC1
9-885-199-69 AC CORD U (US, CND)
0 AC1
9-885-199-70 AC CORD EURO (AEP, LA, SP)
0 AC1
9-885-199-71 AC CORD 13A (UK)
0 AC1
9-885-199-72 AC CORD CHINA (CH)
0 AC1
9-885-199-73 AC CORD AU (AUS)
0 AC1
9-885-199-74 AC CORD THAI (TH)
0 AC1
9-885-199-77 AC CORD AR (AR)
0 AC1
9-885-203-27 AC CORD E12 (E12)
0 ACP1
9-885-169-85 ADAPTOR, CONVERSION PLUG (LA)
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. REAR CABINET SECTION
1
2
3
3
4
not supplied
front cabinet section
not supplied
4
5
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
8
AC1
ACP1
(LA)
Ver. 1.1
The components identifi ed by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
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