Sony KDL-32CX527 / KDL-40CX527 Service Manual ▷ View online
KDL-32CX527/40CX527
16
SECTION 3 - CHASSIS OVERVIEW
OVERALL CIRCUIT DESCRIPTIONS
“Figure 3-3. Block Diagram” on page 17
provides an overview of the
AZ2-F chassis. Below is a description of the components and their
functions.
MAIN BOARD
The circuits located on the BATV Board perform all Video and Audio
processing functions. It also contains all the microprocessor control
circuits.
SWITCH UNIT
This board contains the power, channel and volume up/down and
menu buttons.
SENSOR BOARD
The HMS3 board contains the motion sensor.
POWER SUPPLY BOARD
The Power Supply Boards are the G2AS for the 32” and the G2BS
for the 40” models
Except for some regulator circuits on the Main Board, the Power
Except for some regulator circuits on the Main Board, the Power
Supply Boards are the power supply system boards.
LED BOARD
The HLR2 board power, standby and timer LED’s are located on this
board along with the IR remote receiver and light sensor.
LCD PANEL ASSEMBLY
The LCD Panel Assembly includes the LCD Panel, TCON Board, and
LED Backlight system.
The LCD Panel contains the actual liquid crystals, color filters, and
The LCD Panel contains the actual liquid crystals, color filters, and
polarizers. The liquid crystals are manipulated by the applied voltage
to pass a specific amount of light - from the backlight- depending on
the level of voltage applied.
The TCON performs all the control, timing, charge, and discharge
The TCON performs all the control, timing, charge, and discharge
functions driving the operation of the LCD Panel.
A new LCD Panel assembly from parts will include the following items.
A new LCD Panel assembly from parts will include the following items.
1. LCD Panel
2. LED Backlighting Components
3. TCON Board
KDL-32CX527/40CX527
17
SECTION 3 - CHASSIS OVERVIEW
27M
[HORUS3]
4M
[ASCOT2Sip]
[GAIA1a]
41M
0
0
[SEKITO2]
[LNBH23]
[MIC2005]
[TPS2553DBV]
[TPS2553DBV]
[GL850G]
[RTL8201E]
12M
One–
NAND
Muxed
2Gb
DDR3
–1333
2Gb
DDR3
–1333
2Gb
48M
32.76
8K
GND
[PST3629]
[LM75B]
[Sil9287B]
[D–510D]
[D–510D]
[NJU72011RB]
[NJU72040V]
H/L
Push
P
A
N
E
L
41M
Cable
Satellite
Aerial
HDMI1
(ARC)
HDMI2
HDMI3
HDMI4
CVBS
COMP
PC
HP/Line
Out
SPDIF
Main
SPEAKER
LNA
X’tal
SW
LNA
X’tal
Silicon
Tuner
Silicon
Tuner
X_SYSTEM1_RST
IF1
IF2
Zero-IF
27MHz
Ext Demod
IFAGC
Ext Demod
IFAGC
X’tal
TS1
DiSEqC_Out
DiSEqC_In
DiSEqC_In
TS2
DDC
I2CB
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
I2CB
Current
Limit
5V
MS
H Con.
USB4
BD
USB3
Wifi
Current
Limit
5V
USB2
USB1
5V
X_
SY
STE
M
1_
RS
T
USB
HUB
Crystal
Current
Limit
X_
SY
ST
EM
1_
R
ST
Ether
Ether
PHY
BACKLIGHT
LVDS_ODD
LVDS_EVEN
TCON
SA
_MODE/L
U
T_
SEL0
PE
M
_WDT/XBUSY/BI
NT
X_
PE
M
_RST/LUT_SEL2/X_FRC_RS
T
MO
DE_PEM/TCON_RDY
LU
T_
SE
L1
/X
_T
C
O
N
_R
ST
/L
R
_F
LA
G
T_
PA
N
EL
_S
EL
I2
C
_C
SYSTEM1_PWR
REG_12V
1.2V
DDC
1.5V
SYSTEM2_PWR
DDC
X’tal
X’tal
AC_MON
Reset
Reset
SYSTEM2_PWR
3.3V
DDC
REG_12V
2.5V
LDO
SYSTEM2_PWR
5V
DDC
3.3V
LDO
3.4V
LDO
REG_12V
SYSTEM2_PWR
S1.8V
LDO
S1.2V
LDO
T-CON_VCC
REG12V
REG12V
STBY 3.3V
AUDIO_12V
AUDIO_12V
Po
w
er
BACKLIGHT_ON
DIMMER_DC
TCON-ON
MAIN_PWR
BACKLIGHT_MON
PFC_PWR
AC_MON
DIMMER2
Po
w
er
_C
on
tro
l
UARTA(LOG)
UARTD
PEM_LOG
MODE_PEM
UARTC(Hotel/ECS)
I2CA(Hotel_Clock)
Reset
SIRCS
TL-JIG
Hotel /E
C
S
Temp Sensor
Sircs
Temp
Sensor
SIRCS
I2CA
X_Hotel_PWR_CTRL
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
UARTA (LOG)
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
KEY
Light Sensor
Human Sensor
LED
Light_Sensor_Det
Human_Sensor_Det
STBY_LED
POWER_LED
TIMER_LED
PIC_MUTE_LED
REC_LED
Power_KEY
KEY
UARTE
DIMMER
DMD_CLK_ENABLE2
DIMMER_DC
LOGO
DEBUG_LED2
DEBUG_LED3
PANEL_PWR
DMD_CLK_ENABLE1
DMD_RST
X_WIFI_RST
HP_DET
SPDIF_SEL
HDMIEQ_INT
X_AUDIO_MON
D
C_
M
O
N
KE
Y
Light_Sensor_Det
H
um
an
_S
en
so
r_
D
et
PANEL_
SEL
BA
C
KL
IG
H
T_
M
O
N
PA
N
EL
_P
W
R
_D
et
STBY_LED
TIMER_L
ED
M
AIN
_P
W
R
M
AIN
_S
S_
M
O
N
SY
ST
EM
2_
PW
R
SY
ST
EM
1_
PW
R
PIC
_M
U
TE
_L
ED
AC
_M
O
N
PFC_MON
PO
W
ER
_K
EY
D
EB
U
G
_L
ED
1
X_
R
F_
R
ST
X_
HO
TE
L_
PW
R_
CTR
L
PO
W
ER
_L
ED
R
EC
_L
ED
X_
SY
ST
EM
1_
R
ST
PFC_PWR
X_
AUDIO
_MUTE1
X_
AUDIO
_MUTE2
BA
C
KL
IG
H
T_
O
N
N
M
I
PC
_C
O
N
_D
ET
VID
EO
A_
D
ET
VID
EO
B_
D
ET
C
R_
DE
T
LUT_SE
L2
LUT_SE
L1
LUT_SE
L0
BIN
T
TC
O
N
_RDY
D
AT
A1
Panelless
SPI
UART
Digital Audio
I2C
Analog Signal
PWM
Analog Audio
Analog Video
Digital Video/TS/TMDS
X_AUDIO_MUTE1
X_AUDIO_MUTE2
X_FAULT
Main Speaker_Out_LR
X_SYSTEM1_RST
AUDIO_MON
OPAMP
Audio
Power AMP
Main Speaker_Out_LR
Atreyu_SPDIF
TV_Out_LR
Tuner_LR
Line Out_LR
PC_LR
COMP2_LR
PC_V
VIDEO1_LR
Tuner_LR
PC_G
PC_B
PC_R
PC_H
PC_H
COMP_Y
COMP_Pb
COMP_Pr
OPAMP
SPDIF
HP/Line Out LR
HP_/ Line Out Det
PC_R,PC_G,PC_B,PC_H,PC_V
PC_LR
PC_5V, PC_DDC
PC_CON_Det
COMP_Y, Pb, Pr
VideoB_Det
VideoB_Det
Cr_Det
COMP2_LR
VideoA_Det
VIDEO_CV
VIDEO1_LR
CEC3
DDC4
HPD4
CEC4
DDC_5V_4
TMDS4
CEC2
DDC3
HPD3
DDC_5V_3
TMDS3
TMDS1
DDC1
HPD1
CEC1
TMDS2
TMDS2
DDC2
HPD2
DDC_5V_1
DDC_5V_2
ARC
3.3->1
EQ SW
I2CA
Atreyu
TS
X’tal
IF1
TMDS
DDC
CEC
VIDEO_CV
COMP_Y
REG_12V
DIMMER
FIGURE 3-3. BLOCK DIAGRAM
KDL-32CX527/40CX527
19
OVERVIEW
This chapter provides information regarding the Self Diagnosis
feature in our TVs.
UPDATING THE SOFTWARE
As mentioned in
“Section 2 - Software Requirements” on page 12
there
are several issues that may be resolved by updating the software
to the latest version. For a list of possible correctable issues see
“Examples of Software Correctable Symptoms” on page 14
.
SECTION 4 - TROUBLESHOOTING
Click on the first or last page to see other KDL-32CX527 / KDL-40CX527 service manuals if exist.