DOWNLOAD Sony HT-XT1 Service Manual ↓ Size: 6.15 MB | Pages: 74 in PDF or view online for FREE

Model
HT-XT1
Pages
74
Size
6.15 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-xt1.pdf
Date
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HT-XT1
HT-XT1
25
25
SECTION  4
TROUBLESHOOTING
1.  The system does not power up
The voltage of the following is 4.1 V.
MAIN board: C1035 plus side
POWER board is damaged.
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Fuse (F901) on the POWER board 
conduct the electricity.
Yes
Replace the MAIN board.
No
The system does not power up.
Yes
No
No
Replace the fuse (F901) on the 
POWER board.
Part No. 
Description
1-523-067-51  FUSE (5 A/250 V)
No
Replace the MAIN board.
The voltage of the following is 1.1 V.
MAIN board: C2084 plus side
No
Replace the IC2012 on the MAIN 
board.
Part No. 
Description
6-717-879-01 IC RT8293ALZSP
The voltage of the following is 6 V.
MAIN board: JL3556
No
Replace the IC3705 on the MAIN 
board.
Part No. 
Description
6-717-879-01 IC RT8293ALZSP
The voltage of the following is 3.3 V.
MAIN board: IC1008 pin 1
No
Replace the IC1008 on the MAIN 
board.
Part No. 
Description
6-717-680-01  IC BD00IC0WEFJ-E2
The voltage of the following is 3.3 V.
MAIN board: D1008 cathode side
No
Replace the diode (D1008) on the 
MAIN board.
Part No. 
Description
6-503-775-01  DIODE CRH02
The appearance of IC3001 on the 
MAIN board is not burned out.
The voltage of the following is 12 V.
MAIN board: IC1011 pin 1
No
Replace the IC1011 on the MAIN 
board.
Part No. 
Description
6-712-825-01  IC R1154N001C-TR-FE 
The voltage of the following is 28 V.
POWER board: CN902 pin 3 to 5
The voltage of the following is 
12 to 18 V.
POWER board: CN902 pin 9
To the next flow.
2.  “PROTECT” is displayed on the fl uorescent indicator tube
“PROTECT” is displayed on the 
fluorescent indicator tube.
Yes
Yes
Yes
OK
Yes
Yes
“PROTECT” is displayed on the 
fluorescent indicator tube, when 
removing the L-ch and R-ch 
speakers (SP1, SP2).
L-ch and R-ch speakers (SP1, SP2) 
is connected.
The “L” is inputted to the pin 18 of 
IC1002 on the MAIN board.
No
Check the defect, breaking of wire 
and state of connection of the L-ch 
and R-ch speakers (SP1, SP2).
No
No
Check whether output capacitors 
(C3005, C3006, C3007, C3008, 
C3019, C3020) short-circuits.
The “L” is inputted to the pin 74 of 
IC1002 on the MAIN board. 
The voltage of the following is 12 V.
MAIN board: IC3003 pin 4  
IC1002 (microprocessor) on the
MAIN board is damaged.
No
No
Reapir the DIAG detection line.
NG
Check whether DIAG detection line 
(the area surrounding C3044, 
R1107 and R3042 on the MAIN 
board) opens or short-circuits.
Replace the IC3003 on the 
MAIN board.
Part No. 
Description
6-718-377-01 IC BD00C0AWFP-E2
Yes
Replace the MAIN board.
The appearance of IC3001 on the 
MAIN board is not burned out.
Yes
No
Replace the IC3001 on the 
MAIN board.
Part No. 
Description
6-721-021-01 IC TAS5624ADDVR
HT-XT1
HT-XT1
26
26
SECTION  5
DIAGRAMS
5-1.  BLOCK  DIAGRAM - HDMI Section -
SYSTEM CONTROLLER
IC1002 (1/4)
7
DATA0+
9
DATA0–
4
DATA1+
6
DATA1–
1
DATA2+
3
DATA2–
10
CLOCK+
12
CLOCK–
16
SDA (5V)
15
SCL (5V)
19
HOT PLUG DET
18
+5V POWER
13
CEC
HDMI TRANSCEIVER
IC3009
38
80
79
83
82
85
84
78
77
87
67
68
69
R3X0+
37 R3X0–
40 R3X1+
39 R3X1–
42 R3X2+
41 R3X2–
36 R3XC+
35 R3XC–
63 DSDA3
64 DSCL3
65 CBUS_HPD3
66 R3PWR5V
TX0+
TX0–
TX1+
TX1–
TX2+
TX2–
TXC+
TXC–
TXDSDA
TXDSCL
TX_HPD
ARCRX_TX
7
DATA0+
9
DATA0–
4
DATA1+
6
DATA1–
1
DATA2+
3
DATA2–
10
CLOCK+
12
CLOCK–
16
SDA (5V)
15
SCL (5V)
19
HOT PLUG DET
14
REVERSE (NC)
13
CEC
CN3006
TV (ARC)
HDMI OUT
54
CSDA
7
DATA0+
9
DATA0–
4
DATA1+
6
DATA1–
1
DATA2+
3
DATA2–
10
CLOCK+
12
CLOCK–
16
SDA (5V)
15
SCL (5V)
19
HOT PLUG DET
18
+5V POWER
13
CEC
27 R2X0+
26 R2X0–
29 R2X1+
28 R2X1–
31 R2X2+
30 R2X2–
25 R2XC+
24 R2XC–
59 DSDA2
60 DSCL2
61 CBUS_HPD2
62 R2PWR5V
7
DATA0+
9
DATA0–
4
DATA1+
6
DATA1–
1
DATA2+
3
DATA2–
10
CLOCK+
12
CLOCK–
16
SDA (5V)
15
SCL (5V)
19
HOT PLUG DET
18
+5V POWER
13
CEC
CN3002
3
CN3001
2
CN3000
1
19 R1X0+
45 HDMI_SDA
53
CSCL
46 HDMI_SCL
45
INT
56 HDMI_INT
43
RESET_N
50
RSVDH
54 HDMI_RST
15 CEC_I/O
18 R1X0–
21 R1X1+
20 R1X1–
23 R1X2+
22 R1X2–
17 R1XC+
16 R1XC–
55 DSDA1
56 DSCL1
57 CBUS_HPD1
58 R1PWR5V
SD0_0 90
SD0_1 92
SD0_2 93
SD0_3 94
SPDIFOUT 96
MCLK 91
WS0_OUT 88
SCK0 89
MUTEOUT 95
HDMI_D1
HDMI_D0
HDMI_D2
HDMI_D3
HDMI_SPDIF
HDMI_MCK
HDMI_BCK
HDMI_LRCK
RX_MUTE
HDMI_D0 – HDMI_D3, HDMI_SPDIF, HDMI_MCK, 
HDMI_BCK, HDMI_LRCK, RX_MUTE
>001B
Q1004
: VIDEO
: AUDIO (DIGITAL)
SIGNAL PATH
XTALOUT 73
XTALIN 74
X3001
27MHz
HDMI IN
(Page 27)
HT-XT1
HT-XT1
27
27
5-2.  BLOCK  DIAGRAM - MAIN Section -
SYSTEM CONTROLLER
IC1002 (2/4)
A_SEL0
J201
OPT (TV)
DIGITAL IN
ANALOG IN
OPTICAL
RECEIVER
IC201
A/D CONVERTER,
DIGITAL AUDIO INTERFACE RECEIVER
IC2005
L/R_IN
63
MCLK_IN
54
BCLK_IN
42
LRCK_IN
59
FLAG2
81
A/D_2CH
57
RXIN2
33
MIX AMP
IC2004
RXIN4
31
VINL
47
VINR
48
MPIO_A3
6
MPIO_C1
8
MPIO_C2
9
MPIO_C3
10
RXIN3
32
MPIO_A0
3
MPIO_A1
4
MPIO_A2
5
DOUT 17
L/R OUT 48
38
DIR_DO (MC_DIRDI)
MDO
98
DIR_ZERO
16
M_RX_IN
30
M_TX_OUT
29
DSP_MISO
4
DSP_MOSI
3
DSP_SPICLK
5
DSP_SPIDS
48
DSP_INTR
66
DSP_RESET
49
SF_HOLD_DSP
50
DIR_XSTATE
52
23
MDI
24
MC
25
DIR_HCE
MS
51
26
DIR_RST
RST
53
DIR_DI (MC_DIRDO)
99
DIR_CLK
100
34
XTO
40
XTI
39
UART_OUT
30
UART_IN
31
MISO
20
MOSI
19
BOOT_CFG1
6
SO
2
SI
5
SCK
6
CE#
1
HOLD#
7
SPICLK
21
DSP_CS
24 23
DPI_P05
77
FLAG0
98
RESET
EEPROM
IC1001
SDA
ROM_SDA
ROM_SCLK
5
SCL
6
8
9
MFI
IC1010
SDA
CP_DATA
CP_CLK
2
SCL
6
88
87
CP_RESET
RST
7
79
MC_BT_RXD0
34
MC_BT_TXD0
33
MC_BT_RTS
36
BT_MUTE
73
BT_RST
42
RTS1/MC_BT_CTS0
32
BT_UART_TX
L_OUT–
L_OUT+
R_OUT+
BT_UART_RX
BT_UART_RTS
BT_UART_CTS
MUTE
RESET
BT1
Bluetooth MODULE
R_OUT–
SL/SR_IN
40
MPIO_B1 12
C/SW_IN
58
MPIO_B2 13
SBL/SBR_IN
62
MPIO_B3 14
DIR_IN
65
ANALOG AUDIO SELECTOR
IC2003
A
X0
12
X1
14
Y1
5
Y0
1
X 13
Y 3
10
C/SW1_OUT 56
BCLK_OUT 60
LRCLK_OUT 61
XTAL 13
CLKIN 12
SCKO 20
BCK 19
LRCK 18
NPCM 2
DIR_ERROR
25
HDMI_MUTE_ON
55
HDMI_MUTE_DET
47
HDMI_NON_LPCM
24
SEL_HDMI
57
LEVEL SHIFT
IC2103 (2/2)
SHIFT
CONTROL
IC2011
X2001
24.576MHz
X2002
25MHz
DSP
IC2009
AMP_D1FLFR
MCK
DSP_LRCK
DSP_BCK
AMP_D3CSW
AMP_D1FLFR, AMP_D3CSW, 
MCK, DSP_BCK, DSP_LRCK
>002B
: Bluetooth
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SIGNAL PATH
HDMI_D1
HDMI_D0
HDMI_D2
HDMI_D3
HDMI_SPDIF
HDMI_MCK
HDMI_BCK
HDMI_LRCK
RX_MUTE
HDMI_D0 – HDMI_D3, HDMI_SPDIF,  HDMI_MCK, 
HDMI_BCK, HDMI_LRCK, RX_MUTE
>001B
D1001
D1002
DATA SELECTOR
IC2010
ERROR 1
SEL
2A
1A
5
2B
6
1B
3
2
MPIO_C0 7
4A
4B
13
14
2Y
FLAG1
80
1Y
4Y
7
4
12
1
Q2002
D1002
SWITCHING
IC2013 (1/2),
Q2003
SERIAL FLASH
IC2008
Q2001
D2003
(Page 26)
(Page 28)
HT-XT1
HT-XT1
28
28
5-3.  BLOCK  DIAGRAM - AMP Section -
SDA
20
SCL
21 19 18 16
13
Xin
11
Xout
X1001
8MHz
SYSTEM CONTROLLER
IC1002 (3/4)
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SIGNAL PATH
DAMP_SDA
28
DAMP_SCL
27
DAMP_SOFT_MUTE
67
DAMP_PDN
69
DAMP_INIT
68
DRIVE_OCP
 (DIAG)
18
DC_DET
74
STREAM PROCESSOR
IC3002
SDIN1
24
SCLK
23
LRCK
22
MCLK
11
AMP_D1FLFR
MCK
SDIN3
26
AMP_D3CSW
DSP_LRCK
DSP_BCK
AMP_D1FLFR, AMP_D3CSW, 
MCK, DSP_BCK, DSP_LRCK
>002B
BUFFER
Q3002
PWM_P_1 39
DIGITAL POWER AMP
IC3001
INPUT_D
OUT_D
15
INPUT_C
14
INPUT_B
6
INPUT_A
5
27
OUT_D 28
OUT_C 32
OUT_B 35
OUT_A 39
PWM_P_2 41
VALID 37
PWM_M_4 48
PWM_P_4 49
DC DETECT
Q3003
DC DETECT
Q3001
16
AMP_OVF
70
18
17
4
SP4
SP3
SP2
(R-CH)
SP1
(L-CH)
L3001
L3004
L3003
L3002
OUT_A 40
SUBWOOFER
(R-SIDE)
SUBWOOFER
(L-SIDE)
MUTE
PDN
RESET
FA
U
LT
CLIP
OTW
RESET
(Page 27)
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