Sony KDL-55HX825 (serv.man2) Service Manual ▷ View online
8
KDL-55HX825
KDL-55HX825
1-3. BLOCK DIAGRAMS
POWER SUPPLY/
CONVERTER
VIDEO 1 CVBS
RF
VIDEO 2 CVBS/COMP
HDMI 1
PC HD15
SWITCH
UNIT
LED
IR RX
LIGHT SENSE
LCD PANEL
HFR
TCON
BATL
HLT2
L
R
ANALOG AUDIO
OUT
OPTICAL
AUDIO OUT
HDMI 3
IC4601
AMP
IC5500
HDMI
SWITCH
EQ
TUNER
EITHERNET
USB2.0
HDMI 2
HDMI 4
LVDS
AC IN
IR
TRANSMITTER
HEM2
WIRELESS
LAN CARD
IC9000
A/V
DECODER
VIDEO
PROCESS
USB2.0
USB HUB
LED DRIVE
LD
CONVERTER
G7 (55")
G6 (55")
USB
CAMERA
OVERALL BLOCK DIAGRAM
9
KDL-55HX825
KDL-55HX825
ENGINEERING BLOCK DIAGRAM
48M
32.76
8K
[PST3629]
GND
Push
P
A
A
N
E
L
[LM75B]
DDR3
–1333
2Gb
DDR3
–1333
2Gb
One–
NAND
Muxed
2Gb
[RTL8201E]
[TPS2553DBV]
[GL850G]
12M
[TPS2553DBV]
H/L
[D–510D]
[D–510D]
[NJU72040V]
41M
[LNBH23]
[MIC2005]
[SEKITO2]
[GAIA1a]
41M
[HORUS3]
27M
4M
[ASCOT2Sip]
[Sil9287B]
0
0
XReality
HDMI1
(ARC)
HDMI2
HDMI3
Aerial
Cable
Satellite
PC
PC
COMP
CVBS
SPDIF
Main
SPEAKER
HP/Line
Out
Assist
SPEAKER
Analog Video
Digital Video/TS/TMDS
Analog Audio
Analog Signal
PWM
I2C
SPI
X_SYSTEM1_RST
AUDIO_MON
X_FAULT
Main Speaker_Out_LR
X_SYSTEM1_RST
Assist Speaker_Out
SPDIF
HP/Line Out LR
HP_/ Line Out Det
PC_5V, PC_DDC
PC_LR
PC_R,PC_G,PC_B,PC_H,PC_V
PC_CON_Det
Cr_Det
ASPECT1
COMP_Y, Pb, Pr
VideoB_Det
COMP2_LR
VideoB_Det
COMP2_LR
VideoA_Det
VIDEO_CV
VIDEO1_LR
VIDEO1_LR
CEC3
DDC4
HPD4
CEC4
DDC_5V_4
TMDS4
CEC2
DDC3
HPD3
DDC_5V_3
TMDS3
CEC1
TMDS2
DDC2
TMDS2
DDC2
HPD2
DDC_5V_2
ARC
TMDS1
DDC1
DDC1
HPD1
DDC_5V_1
EQ SW
3.3->1
I2CA
X_SYSTEM1_RST
TCON
Reset
Ether
PHY
X’tal
Temp
Sensor
Audio
Power AMP
HDMI4
Ether
KEY
LED
TMDS
DDC
CEC
Line Out_LR
Power_Control
MAIN_PWR
Power_KEY
KEY
Light_Sensor_Det
STBY_LED
POWER_LED
TL-JIG
UARTA(LOG)
Hotel
UARTC(Hotel/ECS)
BACKLIGHT_ON
DIMMER
BACKLIGHT_MON
SYSTEM2_PWR
Human Sensor
Human_Sensor_Det
X_AUDIO_MUTE1
PFC_PWR
OPAMP
AC_MON
I2CA
X’tal
DIMMER_DC
USB2
Current
Limit
USB1
USB
HUB
HUB
X’tal
Power
Tuner_LR
Current
Limit
USB3
Wifi
USB4
BD
AC_M
ON
PFC_MON
POWER_KEY
POWER_LE
D
REC_LE
D
X_SYSTEM1_RS
T
DIMMER
DC_MON
KEY
Light_Sensor_Det
UARTA (LOG)
PFC_PW
R
DEBUG_LED1
Human_Sensor_Det
LVDS
PEL3
UARTD
PANEL_SE
L
5V
Aerial
Ext Demod
X’tal
LNA
Ext Demod
IFAGC
DDC
I2CB
I2CB
Satellite
Silicon
Tuner
X’tal
Silicon
Tuner
Zero-IF
IF1
X’tal
DiSEqC_Out
IFAGC
IF2
DiSEqC_In
27MHz
SW
COMP_Y
COMP_Pb
COMP_Pr
PC_G
PC_B
PC_R
PC_H
PC_H
PC_V
PC_LR
VIDEO1_LR
COMP2_LR
Tuner_LR
VIDEO_CV
COMP_Y
S1.8V
LDO
3.3V
LDO
LDO
DDC
5V
STBY 3.3V
2.5V
LDO
LDO
TCON-ON
SYSTEM2_PWR
DDC
REG_12V
T-CON_VCC
REG12V
AUDIO_12V
REG_12V
BACKLIGHT_MO
N
X_AUDIO_MUTE
1
X_AUDIO_MUTE
2
PANEL_PWR_Det
5V
UARTE
PC_CON_DET
Crystal
VIDEOA_DE
T
VIDEOB_DET
CR_D
ET
TIMER_LED
PIC_MUTE_LED
REC_LED
Temp Sensor
X_Hotel_PWR_CTRL
Current
Limit
5V
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
I2CB (Ext Demod)
LOGO
DMD_RST
X_AUDIO_MON
STBY_LED
TIMER_LE
D
MAIN_PWR
MAIN_SS_MO
N
DIMMER_DC
TS2
TS1
LNA
/ECS
Light Sensor
X_TCON_RST
SA_MOD
E
BINT
TCON_RDY
IF1
Main Speaker_Out_LR
S1.2V
LDO
PEM_LOG
I2CA(Hotel_Clock)
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
Atreyu_SPDIF
BACKLIGHT_ON
SYSTEM2_PWR
SYSTEM1_PWR
PIC_MUTE_LE
D
1.5V
3.3V
MODE_PEM
I2CC (Panel, RGB Sensor)
DMD_CLK_ENABLE2
HDMIEQ_INT
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
X_SYSTEM1_RS
T
X_
SYSTEM1_RS
T
Reset
SIRCS
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
UARTC (IR Blaster/ECS)
MS
TS
Panelless
AC_MON
Reset
H Con.
Audio
Power AMP
Assist Speaker_Out_LR
Sircs
SIRCS
AUDIO_12V
REG12V
SYSTEM2_PWR
DDC
1.2V
SYSTEM1_PWR
DDC
REG_12V
3.4V
LDO
LDO
SYSTEM2_PWR
X_RF_RST
NM
I
X_HOTEL_PWR_CTRL
DATA
1
HP_DET
X_WIFI_RST
SPDIF_SEL
BACKLIGHT
DIMMER2
LVDS_ODD
LVDS_EVEN
LVDS_EVEN
SA_MODE/LUT_SEL0
PEM_WDT/XBUSY/BINT
I2C_
C
MODE_PEM/TCON_RDY
LUT_SEL1/X_TCON_RST/LR_FLA
G
T_PANEL_SEL
Digital Audio
UART
REG_12V
11
KDL-55HX825
KDL-55HX825
(Only Interface between board and board)
V
2
1
1
8
2
V
2
1
2
6
2
27
27
3
GND
25
4
GND
JST(VA)
1-842-566-11
1-842-566-11
1
1
12V
V
2
1
2
2
3
3
3
GND
D
N
G
4
4
L
R
T
C
_
S
L
G
5
5
1
D
N
G
2
L
R
T
C
_
S
L
G
6
6
2
X
T
_
D
T
R
A
U
L
I
A
F
_
I
M
E
7
7
3
X
R
_
D
T
R
A
U
C
N
8
8
4
T
E
S
E
R
5
V
3
.
3
+
_
Y
B
T
S
Molex
6
M
V
T
_
E
D
O
M
1-842-558-11
7
X
R
_
A
T
R
A
U
8
)
2
D
M
(
C
N
14pin connector
9
X
R
_
C
T
R
A
U
YEONHO 20022WR-14AML
0
1
X
T
_
C
T
R
A
U
1
1
D
N
G
1
1 VLED_VCC
2
1
X
T
_
A
T
R
A
U
2
2 VLED_VCC
3
1
X
I
R
T
A
M
_
S
C
E
3
3 VLED_VCC
4
1
V
3
.
3
+
_
Y
B
T
S
4
4 VLED_VCC
5
1
M
E
P
_
E
D
O
M
NC 5
5 NC
6
1
X
R
_
G
O
L
_
M
E
P
6
6 VLED_GND
7
1
X
T
_
G
O
L
_
M
E
P
7
7 VLED_GND
8
1
D
N
G
8
8 VLED_GND
CN9004
9
9 VLED_GND
1-774-667-51
10
10 VLED_GND
TL-EX1 Connector,FFC/FPC 18P
11
11 LD_ERR
10
10 STBY_+3.3V
NC 12
12 NC
12
9
AUDIO+12.5V
13
13 GL_CTRL
14
8
AUDIO+12.5V
14
14 LED_ON
11
7
AUDIO+12.5V_GND
13
6
AUDIO+12.5V_GND
15
5
REG+12.5V_GND
17
4
REG+12.5V_GND
16
3
REG+12.5V
18
2
REG+12.5V
NC
1
T-CON_VCC
CN6001
1-821-620-11
HEADER ASSEMBLY FOR PWB 10P
1-821-620-11
HEADER ASSEMBLY FOR PWB 10P
7
9
AC_OFF_DET
1
8
POWERON
6
7
BL_ERR
NC
6
NC
NC
5
NC
NC
4
NC
N
O
_
N
O
C
T
3
8
1
1
V
2
1
2
2
V
2
1
r
e
tt
i
m
E
D
3
3
2
PFC_PWR
3
3
D
N
G
V
-
a
3
9
1
GND
4
4
D
N
G
CN6002
GLS_CTRL
5
5
1-842-559-11
GLS_CTRL2
6
6
EMI_FAIL
7
7
8
8
8
C
N
1-821-135-11
1-821-135-11
CN6101
SJM20-28WLB
To B board (100106)
T-CON_Vcc12V
28
1
GND
27
3
T-CON_VCC12V
26
2
GND
25
4
T-CON_VCC_12V To B
24
NC
GND
23
NC
BDR_ASU_12V
22
NC
GND
21
NC
BDR_ASU_12V
20
NC
GND
19
NC
REG12V
18
2
GND
17
4
REG12V
16
3
GND
15
5
AU_12V
14
8
AU_GND
13
6
AU_12V
12
9
AU_GND
11
7
STBY3.3V
10
10
GND
9
1
T-CON_ON
8
3
AC_OFF_DET
7
9
BL_ERR
6
7
NC
5
NC
NC
4
NC
PFC_ON
3
2
NC
2
NC
POWERON
1
8
V
2
1
_
G
E
R
1
1
1
1
V
2
1
_
G
E
R
VLED_VCC
1
1
D
N
G
2
2
2
2
D
N
G
VLED_VCC
2
2
C
N
3
3
3
3
C
N
VLED_VCC
3
3
R
R
E
_
L
B
4
4
4
4
R
R
E
_
L
B
VLED_VCC
4
4
C
N
5
5
5
5
C
N
NC
5
5
C
N
6
6
6
6
C
N
VLED_GND
6
6
T
E
D
_
F
F
O
_
C
A
7
7
7
7
T
E
D
_
F
F
O
_
C
A
VLED_GND
7
7
CN6102
1-821-888-11
1-821-888-11
VLED_GND
8
8
JST L 7p
JST L 7p
CN6701
VLED_GND
9
9
VLED_GND
10
10
C
C
V
_
I
R
P
1
1
1
1
C
C
V
_
I
R
P
LD_ERR
11
11
D
N
G
_
I
R
P
2
2
2
2
D
N
G
_
I
R
P
NC
12
12
CN6502
1-817-207-11
1-817-207-11
CN6601
GL_CTRL
13
13
JST
JST
LED_ON
14
14
D
N
G
_
C
F
P
1
1
1
1
D
N
G
_
C
F
P
1
1
-
9
3
3
-
2
2
8
-
1
T
U
O
_
C
F
P
2
2
2
2
T
U
O
_
C
F
P
SFP79-02WLB JAM
CN6600
JST XA 14P
CN6700
SFP79-02WLB JAM
1-822-908-11
G7
CN6501
1-822-908-11
AC_IN
AC-N
AC-N
1
1
AC-L
2
2
CN6001
SFP79-02WLB JAM
1-822-908-11
SFP79-02WLB JAM
1-822-908-11
Energy_Saving_SW
AC(N)-IN
AC(N)-IN
1
1
AC(L)-IN
2
2
CN6003
SFP79-02WLB JAM
1-822-908-11
Energy_Saving_SW
AC(L)-OUT
1-822-908-11
Energy_Saving_SW
AC(L)-OUT
1
1
AC(N)-OUT
2
2
CN6002
SFP79-02WLB JAM
1-822-908-11
SFP79-02WLB JAM
1-822-908-11
G6
HEM2 Board
TCON Board
( PEH2)
TC-EM Harness
PEL3-HEM2
LD Board
LD Board
BAT-L Board
ES SW (2b-2 Only)
B Board
TCON
Option
TCON
B Board
TL-EX1JIG Board
AC pigtail
G-B Harness
KDL-55HX825 (PAGE 2 OF 2)
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