XBR-65/75X850E
TROUBLE SHOOTING
FLOW
3-2. NO SOUND (POWER OFF CHECK)
3-3. NO SOUND (POWER ON CHECK)
31
Power Off Check
From 2.2 LED BLINKING 3X
(AUDIO ERROR)
Measure the Speaker
impedance by multi-meter.
NG value of
right table?
Confirm the speaker
harness
Cut or shorted
to the chassis ?
Replace Speaker
No
Yes
Replace Speaker Harness
No
Yes
Return to
LED BLINKING 3X
(AUDIO ERROR)
or NO SOUND
Power Off Check
From NO SOUND
(1) B board
PVDD-GND short ?
Replace B board
No
Yes
(2) B board
LDO out short ?
(3) B board
Fuse broken ?
No
Yes
No
Yes
Speaker Impedance
Rated Impedance
NG Value
KP woofer
4ohm
less than 3.2ohm
KP front
6ohm
less than 4.8ohm
KS/KH
8ohm
less than 6.4ohm
Power On Check
From 2.2 LED BLINKING 3X
(AUDIO ERROR)
No
(4) PVDD check
PVDD is supplied to
B board for a moment
before LED 3x blinking ?
No
Yes
Replace Power-Supply *
OK ?
No
Yes
Return to 2.2 LED BLINKING 3X
(AUDIO ERROR)
Finish
*Power-Supply is
AC Adaptor model : JK board & AC Adaptor
built-in power supply model : G board
PVDD (POWER_AU) voltage is
240W AC Adaptor model : 24.0V
200W AC Adaptor model : 19.5V
Built-in power supply model : 12.5V
Measurement point is same as (1) PVDD-GND
short check.
Summary of Contents for BRAVIA XBR-65X850E
Page 61: ...XBR 65 75X850E DISASSEMBLY 1 6 TAPE 1 XBR 65X850E 61 TAPE TAPE ...
Page 62: ...XBR 65 75X850E DISASSEMBLY 1 7 TAPE 1 XBR 65X850E 62 TAPE TAPE TAPE ...
Page 64: ...TAPE TAPE XBR 65 75X850E DISASSEMBLY 1 9 TAPE 1 XBR 65X850E 64 ...
Page 65: ...TAPE XBR 65 75X850E DISASSEMBLY 1 10 TAPE AND WIRE DRESSING 1 XBR 65X850E 65 TAPE ...
Page 68: ...XBR 65 75X850E DISASSEMBLY 1 13 WIRE DRESSING 1 XBR 65X850E 68 1 2 3 ...
Page 76: ...XBR 65 75X850E DISASSEMBLY 1 21 SLIDE CLAMP 1 XBR 65X850E 76 1 2 1 2 SLIDE CLAMP SLIDE CLAMP ...
Page 77: ...XBR 65 75X850E DISASSEMBLY 1 22 BRACKET SIDE SBT M 1 XBR 65X850E 77 1 3 2 BRACKET SIDE SBT M ...
Page 87: ...XBR 65 75X850E DISASSEMBLY 2 2 COVER TOP FRE 2 SMART CORE H65 87 1 NOTE 2 3 4 COVER TOP FRE ...
Page 94: ...XBR 65 75X850E DISASSEMBLY 3 6 TAPE 3 XBR 75X850E 94 TAPE TAPE TAPE TAPE ...
Page 97: ...XBR 65 75X850E 3 9 TAPE 3 XBR 75X850E 97 TAPE TAPE TAPE DISASSEMBLY ...
Page 99: ...XBR 65 75X850E 3 11 WIRE DRESSING 3 XBR 75X850E 99 DISASSEMBLY ...
Page 100: ...XBR 65 75X850E 3 12 WIRE DRESSING 3 XBR 75X850E 100 1 2 DISASSEMBLY ...
Page 106: ...XBR 65 75X850E DISASSEMBLY 3 18 TAPE 3 XBR 75X850E 106 1 TAPE TAPE TAPE TAPE NOTE 2 ...
Page 119: ...XBR 65 75X850E DISASSEMBLY 4 2 COVER TOP FRE 4 SMART CORE H 119 1 2 3 4 COVER TOP FRE NOTE ...