Sony KDL-40NX720 / KDL-46NX720 / KDL-55NX720 / KDL-60NX720 (serv.man2) Service Manual ▷ View online
9
KDL-40NX720/46NX720/55NX720/60NX720
KDL-40NX720/46NX720/55NX720/60NX720
1-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS INFORMATION
All capacitors are in µF unless otherwise noted. pF : µµF 50WV
or less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specified.
All resistors are in ohms. k
or less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specified.
All resistors are in ohms. k
Ω=1000Ω, MΩ=1000kΩ
Indication of resistance, which does not have one for rating
electrical power, is as follows:
electrical power, is as follows:
Pitch : 5mm
Rating
electrical
power
:
1
/
4
W
1
/
4
W in resistance,
1
/
10
W and
1
/
16
W in chip resistance.
: nonflammable resistor
: fusible resistor
: internal component
: panel designation and adjustment for repair
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
unless otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M
Ω digital multimeter.
Voltages are DC with respect to ground unless otherwise
noted.
noted.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
All voltages are in V.
S : Measurement impossibility.
: B+line.
: B-line. (Actual measured value may be
different).
: signal path. (RF)
Circled numbers are waveform references.
The components identified by shading and
!
symbol are critical for safety. Replace
only with part number specified.
The symbol
indicates a fast operating fuse and is displayed on the component
side of the board. Replace only with fuse of the same rating as marked.
Les composants identifies per un trame et une marque
!
sont critiques pour la
securite. Ne les remplacer que par une piece portant le numero specifie.
Le symbole
indique une fusible a action rapide. Doit etre remplace par une
fusible de meme yaleur, comme maque.
NOTE: The components identified by a red outline and a mark contain confidential
information. Specific instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
10
KDL-40NX720/46NX720/55NX720/60NX720
KDL-40NX720/46NX720/55NX720/60NX720
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B1 E1
E2
C1(B2)
C2
B1
E2
C1
C2
(B2)
E1
(B2)
E1
E2
B1
C2
C1
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.6
Transistor
(FET)
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductor
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit ( )
Anode
Anode
Anode Cathode
Anode Anode
Cathode
Transistor
(FET)
(FET)
Transistor
(FET)
(FET)
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
*
18
11
17
16
15
14
13
12
10
21
20
19
23
22
REFERENCE INFORMATION
RESISTOR
: RN
: RN
METAL FILM
: RC
SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
:
ADJUSTMENT RESISTOR
COIL
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
11
KDL-40NX720/46NX720/55NX720/60NX720
KDL-40NX720/46NX720/55NX720/60NX720
1-3. BLOCK DIAGRAMS
OVERALL BLOCK DIAGRAM
POWER SUPPLY/
CONVERTER
G5AW (46")
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
G4BW (40")
IR
TRANSMITTER
HEM2
LOGO
LED
WIRELESS
LAN CARD
IC9000
A/V
DECODER
VIDEO
PROCESS
USB2.0
USB HUB
LED DRIVE
LD
CONVERTER
G7A (55/60" ONLY)
G6AW (55/60")
USB
CAMERA
12
KDL-40NX720/46NX720/55NX720/60NX720
KDL-40NX720/46NX720/55NX720/60NX720
Satellite
Cable
Aerial
HDMI1
(ARC)
HDMI2
HDMI3
HDMI4
CVBS
COMP
Conversion
PC
HP/Line
Out
SPDIF
Assist
SPEAKER
Main
SPEAKER
Analog Video
Digital Video/TS/TMDS
Analog Audio
UART
Digital Audio
Analog Signal
PWM
I2C
SPI
Silicon
Tuner
X’tal
LNA
SW
LNA
X’tal
Silicon
Tuner
Ext Demod
IFAGC
Zero-IF
27MHz
IF1
IF2
Ext Demod
IFAGC
DDC
DiSEqC_Out
DiSEqC_In
DiSEqC_In
TS2
TS1
X’tal
I2CB
I2CB
DMD_RST
DMD_CLK_ENABLE1
DMD_CLK_ENABLE2
Current
Limit
5V
X_SYSTEM1_RST
MS
H Con.
USB4
Camera
USB3
Wifi
Current
Limit
5V
USB2
USB1
USB
HUB
5V
X_SY
S
TEM1
_R
S
T
Current
Limit
Crystal
Ether
PHY
X
_SYSTEM1_RS
T
Ether
LVDS
LVDS_ODD
LVDS_EVEN
LVDS_EVEN
I2C
_C
SA
_MODE/L
U
T_
SEL0
PE
M
_WDT/XBUSY/BI
NT
MO
DE_PEM/TCON_RDY
LUT_SEL1/X_TCO
N
_RST/LR_FL
A
G
T_P
A
NE
L_SEL
TCON
PEL3
1.5V
SYSTEM2_PWR
V
2
1
_
G
E
R
V
2
1
_
G
E
R
1.2V
SYSTEM1_PWR
C
D
D
C
D
D
STBY 3.3V
T-CON_VCC
REG12V
AUDIO_12V
AUDIO_12V
AUDIO_12V
REG12V
S1.8V
LDO
3.3V
LDO
S1.2V
LDO
3.4V
LDO
SYSTEM2_PWR
REG_12V
SYSTEM2_PWR
5V
DDC
DDC
REG_12V
SYSTEM2_PWR
3.3V
2.5V
LDO
X’tal
X’tal
AC_MON
Reset
Reset
JTAG
/RST
Power
MAIN_PWR
BACKLIGHT_ON
DIMMER
BACKLIGHT_MON
PFC_PWR
AC_MON
DIMMER_DC
TCON-ON
Power_Control
UARTA(LOG)
UARTD
PEM_LOG
MODE_PEM
DIMMER2
TL-JIG
UARTC(Hotel/ECS)
I2CA(Hotel_Clock)
Reset
SIRCS
Hotel /ECS
Temp Sensor
Temp
Sensor
I2CA
X_Hotel_PWR_CTRL
SIRCS
RF Remote
KEY
KEY
Sircs
UARTB
Power_KEY
KEY
UARTE
X_RF_RST
LED
Human Sensor
Light Sensor
LOGO
Light_Sensor_Det
Human_Sensor_Det
STBY_LED
POWER_LED
TIMER_LED
PIC_MUTE_LED
REC_LED
LOGO
I2CA (EQSW, Temp Sensor, Hotel Clock)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
I2CB (Ext Demod)
I2CC (Panel, RGB Sensor)
UARTA (LOG)
UARTB (RF-Remote)
UARTC (IR Blaster/ECS)
UARTC (IR Blaster/ECS)
Tuner_Sig_Det
DIMMER
LOGO
DIMMER_DC
DMD_CLK_ENABLE2
DMD_RST
DEBUG_LED2
DEBUG_LED3
DMD_CLK_ENABLE1
PANEL_PWR
HP_DET
X_WIFI_RST
X_AUDIO_MON
HDMIEQ_INT
HDMIEQ_INT
SPDIF_SEL
DC_MON
KE
Y
Y
Light_Sensor_Det
Hum
an_Sensor_Det
PANEL_SEL
BAC
KLIGHT
_MO
N
N
PANEL_PWR_Det
AC
_M
O
N
STBY_LED
TIMER_L
E
D
M
A
IN
_P
W
R
M
A
IN
_S
S_
MO
N
N
SYSTEM2_P
W
R
SYSTEM1_P
W
R
PI
C
_MUT
E_L
E_L
ED
PFC_MON
POW
ER
_KE
Y
Y
DEB
UG_LE
D1
X_
R
F_
R
ST
X_
H
O
TEL
_P
W
R
_C
TR
L
POWER_LED
R
EC
_LE
D
X_
SY
STEM1_
R
ST
PFC_PWR
BAC
KLIGHT
_O
N
N
M
I
P
C
_C
O
N
_DE
T
T
C
R
_D
E
T
X_AUDIO
_MUTE1
X_AUDIO
_MUTE2
VID
E
O
A
_DE
T
T
VID
E
O
B
_D
E
T
X
_TCON_
R
ST
SA_MODE
B
IN
T
TC
O
O
N_R
DY
DY
DATA
1
Panelless
X_SYSTEM1_RST
AUDIO_MON
Audio
Power AMP
Audio
Power AMP
Main Speaker_Out_LR
Atreyu_SPDIF
Assist Speaker_Out_LR
OPAMP
Tuner_LR
Line Out_LR
PC_LR
COMP2_LR
VIDEO2_LR
VIDEO1_LR
Tuner_LR
PC_G
PC_B
PC_R
PC_H
PC_V
PC_R
PC_H
PC_V
[NJU72040V]
X_AUDIO_MUTE1
Main Speaker_Out_LR
X_FAULT
Assist Speaker_Out
X_SYSTEM1_RST
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
VideoB_Det
Cr_Det
COMP2_LR
VIDEO_CV
VIDEO1_LR
COMP_Y, Pb, Pr
VideoA_Det
3.3->1
CEC4
CEC3
DDC4
HPD4
DDC_5V_4
TMDS4
CEC2
DDC3
HPD3
DDC_5V_3
TMDS3
CEC1
TMDS2
DDC2
TMDS2
DDC2
HPD2
DDC_5V_2
TMDS1
DDC1
HPD1
DDC_5V_1
ARC
EQ SW
I2CA
TS
X’tal
IF1
XReality
TMDS
DDC
CEC
VIDEO_CV
COMP_Y
COMP_Pb
COMP_Pr
COMP_Y
27M
[HORUS3]
[ASCOT2Sip]
[Sil9287B]
[D–510D]
[D–510D]
H / L
[GAIA1a]
[SEKITO2]
[LNBH23]
[MIC2005]
[TPS2553DBV]
[GL850G]
[TPS2553DBV]
[RTL8201E]
[PST3629]
SONY
[LM75B]
One–
NAND
Muxed
2Gb
DDR3
–1333
2Gb
DDR3
–1333
2Gb
4M
41M
12M
48M
Push
32.76
8K
GND
41M
0
0
P
A
N
E
L
ENGINEERING BLOCK DIAGRAM
Click on the first or last page to see other KDL-40NX720 / KDL-46NX720 / KDL-55NX720 / KDL-60NX720 (serv.man2) service manuals if exist.