Sony RB1G - Slide Number 276

RB1G CHASSIS
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
276
3-2.1 LED Blinking: 3x (DC Alert & Communication Error)
Note: For location details, refer to troubleshooting Reference for parts location.
3-time blinking
Check D+1.0V at
F9105
on the B* Board
F9105,IC9103,
etc(B* Board)
Speaker
Check +3.3V_MAIN_1
At L9102 on the
B* Board
Check
Speaker Impedance
at SP Connector
F9102,IC9102,
etc(B* Board)
Check +19.5V
at Power Amp side
of F4601 on
the B* Board
F4601,IC4601
,etc (B* Board)
IC4601,etc
(B* Board)
DC_ALERT
NG
OK
NG
OK
NG
OK
NG
OK
#2
#3
I2C bus
dumping or
IC9000 (AYU2L)
I2CA bus
dumping
resistor
or AYU2
TUNER
NG
NG
HDMI
OK
NG
OK
Brownie
I2C_CCP
Pull Up
IC9201,etc
(B* Board)
Check +5V_MAIN
at L9105
on the B* Board
NG
OK
IC9101,etc
(B* Board)
OK
AUDIO
DMD_TU_I2C
Probe CL2151, CL2152,
CL2318,CL2319(BLJ)
I2CA bus check:
Probe CL5023,
CL5024
I2C_CCP check
R8502 and
R8503
Check +1.8V_MAIN
at IC9201 pin1 &2 on
the B* Board
NG
Check AUDIO+12.5V
at pin 8/10 of
CN9101 on the B* Board
(except BK*/BL
*)
G* Board
NG
OK
Note:
(AYU2L) – IC9000
(Brownie)- IC9001
Size B* Board Type
(Segment: LW
OTHERS EUROPE JP
24” BLX BLE BLJ
32” BLX BLE BLJ
42” BLX BLE BLJ
50” BLX BLE -