Sony KDL-40Z4500 / KDL-46Z4500 / KDL-52Z4500 (serv.man4) Service Manual ▷ View online
KDL-40/46/52Z4500 (CH) 2-5
1) DC_DET (RED 2 times blink)
• This indicates DC_DET of Power Board.
• 12V line on Power Board.
• MOUTON micro (on BGC board) Pin6 detects POWER_DET and shuts down chassis power to standby
status.
MOUTON micro Pin6 Normal condition: 1.3V - 2.5V
Error case: lower than 1.3V or higher than 2.5V
– Replace Power Board.
2) Backlight Error (RED 6 times blink)
• This indicates panel power circuit error such as inverter.
• MOUTON micro (on BGC board) Pin40 detects PANEL_DET and shuts down chassis power to
standby status.
MOUTON micro Pin40 Normal condition: High / Error case: Low (lower than 0.8V)
– Replace Panel or Power/Inverter Board
.
KDL-40/46/52Z4500 (CH) 2-6
3) Temp Error (RED 7 times blink)
• This indicates high temperature inside chassis.
IC5507 on BGC board is monitoring temperature.
IC5507 is controlled by MOUTON micro.
• When it happens:
– Check chassis environment.
– Check around IC5507 and replace BGC board if temperature monitoring circuit
has problem.
– Check panel.
4) Audio Error (RED 8 times blink)
• This indicates Audio Error (Protection).
• It happens:
– IC8200 on BGC board, Audio Amp detects over current, thermal shut down
and/or low voltage of itself.
– DC voltage detected for audio line.
– MOUTON micro Pin5 Normal condition: High / Error case: Low
• Check UNREG15V at CN6401 Pin4 and Pin5 on BGC board
.
And F3401 on BGC board has 13V or not.
• Check above and replace BGC board.
KDL-40/46/52Z4500 (CH) 2-7
6) DEF Error (RED 10 times blink)
• This indicates DEF communication error.
• [ communication error ]
– TVM micro (on BGC board) is communicating with EMMA3SL (on BGC board).
• Check above and replace BGC board
.
7) NVM Error (RED 11 times blink)
• This indicates MOUTON NVM communication error.
• MOUTON micro (on BGC board) is communicating with NVM (on BGC board) .
• Check above and replace BGC board.
8) I2C Error (RED 12 times blink)
• This indicates I2C communication error.
• VCTP micro (on BGC board) is communicating with each devices (on BGC board).
• Check above and replace BGC board
.
5) HFR Error (RED 9 times blink)
• This indicates HFR Communication error.
• [ HFR Communication error ]
Mouton (IC5505) micro (on BGC board) is communicating with T-con board.
• Check above and replace BGC board or LVDS harness (between BGC board and T-con board.
KDL-40/46/52Z4500 (CH) 2-8
9) Balancer Error (RED 13 times blink)
• This indicates panel power circuit error such as inverter.
• MOUTON micro (on BGC board) Pin81 detects PANEL_DET and shuts down chassis power
to Standby status.
MOUTON micro Pin40 Normal condition: High / Error case: Mid (0.85 - 2.65V)
• Replace Panel or Power/Inverter board.
10) HDMI Error (RED 14 times blink)
• This indicates HDCP error.
• HDMI setting trouble matter on BGC board.
• Check above and replace BGC board.
11) Tuner Error (RED 15 times blink)
• This indicates Tuner error.
• VCTP and EMMA3SL micro (on BGC board) is communicating with Tuner
(TU2200) on BGC board.
• Check above and replace BGC board.
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