Sony KD-65S9000B Service Manual ▷ View online
SEC 3. TROUBLE SHOOTING
3-1. TRIAGE
BLACK TEXT
No
Pow er
Remote
Netw ork
Audio
Skype
Smart Core
Bluetooth
(BT)
No White
Bluetooth /
Symptoms - Shutdow n. Pow er LED
blinking red diagnostics sequences
Video
- missing or distorted
: Most likely defective part
: Secondary possible defective part
: Board that may correct the symptom
2
3
4
5
6
7
8
9
10
Pow er LED
& does not
reponse to
reponse to
remote
(Dead Set)
Stationary
colored
lines or
lines or
dots
No video
One of
Inputs
No video all
Inputs
No Remote
(IR RC)
Wireless
can't
connect
No Audio
Skype
Can't Work
Smart Core
no LED
(Set is still
alive)
Bluetooth /
One Step
Remote
(OSR) can't
connect
B* Board
TU board
Reference
K* Board
G* Board
H* Board
Speaker
Skype Module
Camera Module
Mic. Module
Wifi Module
BT Module
LD* Board
LVDS FFC
Tcon
LCD Panel
Panel
Pow er
Pow er
LD
Panel
(Tcon)
Panel
(Backlig
ht)
TEMP
Soft-
w are
Audio
Local
I2C
4K
unique
Problem
unique
(Rogue/
Scorpio/
4K FRC)
4K FRC)
125
TROUBLE SHOOTING
3-2. NO POWER
No Power
Check STBY 3.3V
L9700 or C9707
G* Board
Replace
Between G* Board to
B* Board Harness
NG
NG
Harness
B Board Harness
OK
OK
B* Board
DC/DC converter check
126
TROUBLE SHOOTING
1) DC/DC converter check
START
Check
C9159, 9161
or C9163
Voltage.
Is the voltage 1V?
Check F9105
no
yes
Check
C9168
is
it 1.18V?
yes
Check F9106
no
Check
C9158
or C9160
Voltage.
Is the voltage 5V?
END
Check F9104
no
yes
Check
C9120
Voltage.
Is the voltage 3.3V?
OR
Check F9102
yes
no
Check
C9153
Voltage.
Is the voltage 1.5V?
yes
127
TROUBLE SHOOTING
3-3. STANDBY LED BLINK
1) 3 times blinking (DC Alert, Audio Error & Communication Error)
I2CD bus
Dumping resistor
or Ayu2
or FW of IC3150
I2CD bus check:
Probe CL5423,
CL5428
NG
I2C bus dumping or
AYU2
TUNER
NG
3-time blinking
DC_ALERT
NG
DMD_TU_I2C
or I2CB bus check:
Probe CL2101,
CL2102 / CL2318,
HDMI
Check
S
k
AUDIO
is broken
OK
AYU2
Brownie
Check D+1.0V
at JL9129 on
the B* Board
F9105,IC9103,
etc (B* Board)
NG
OK
OK
CL2102 / CL2318,
CL2101 on
TU* Board
I2CC bus check:
NG
I2CC bus
d
i
BackEnd
Speaker
Speaker
Impedance
at
SP
Connector
NG
OK
O
Check
+3.3V_MAIN_1
at JL9116 on
the B* Board
F9102,IC9102,
etc (B* Board)
OK
NG
SPIC check
Probe RB8522
SPI dumping
resistor
or AYU2
I2CC bus check:
Probe CL3371,
CL3372
NG
OK
dumping
resistor
or AYU2
or Scorpio
/FRC
Check
Audio +12.5V
at pin 18/20
of CN9101
on the B* Board
(except Adapter
d l)
G* Board
NG
NG
OK
I2C_CCP check
R8502 and R8506 /
R8507 and R8508
I2C_CCP
Pull Up
OK
Check
NG
V-by-One check:
Probe CL8064,
CL8066, R6020
CL8066, R6020
NG
VBO dumping
resistor and
capacitor
or AYU2
or Scorpio
/FRC
model)
Check
+12.5V / +19.5V
at Power Amp
F4401/F4601,
IC4901/IC4601
OK
NG
NG
HDMI
OK
Pull Up
Check
+1.8V_MAIN on
Pin 2 of IC9201
IC9201,etc
(B* Board)
OK
side of F4401
/ F4601 on
the B* Board
,etc
(B* Board)
IC4901 / IC4601
OK
I2CA bus check:
Probe CL5069,
CL5072
I2CA bus
dumping
resistor
or AYU2
Or FW of
IC5605 is
broken
NG
OK
NG
Check
+5.0V_MAIN
at JL9132on
the B* Board
F9104 / IC9101
,etc (B* Board)
,etc
(B* Board)
128
broken