Sony KD-55S8005C Service Manual ▷ View online
KD-55/65S8505C, KD-55/65S8005C
TROUBLE SHOOTING
3-5-7. No Picture : @ Tuner
Notes:
I2C line for all tuners except Japan_SKP
- Parts for I2C_A_SDA line: R6001, C6004.
- Parts for I2C_A_SCL line: R6002, C6005.
I2C line for Japan_SKP
- Parts for I2C_D_SDA line: R6003,C6006
- Parts for I2C_D_SCL line: R6004,C6007
TU_1.1V line only in Japan_SKP Tuner
- Parts for TU_1.1V: FB6800
RF input no picture / noisy picture
Change RF cable and antenna
OK
OK
NG
NG
Check RF source cable
and antenna, OK?
Check Tuner power line:
3.3V at JL6005 = 3.3V?
1.8V at JL6006 = 1.8V?
DEM_3.3V at JL6019 = 3.3V?
A_RESET value at JL6012 = 3.3V?
For JP_SK only – TU1.1 V (Refer notes)
All broadcasting channel
cannot be received?
NO
YES
Check part mounting condition
for “I2C_A_SDA, I2C_A_SCL
or
I2C_D_SDA, I2C_D_SCL”
Refer Note I2C
Change NG parts
connected to I2C bus
NG
OK
Analog
Refer Analog Tuning
Refer Digital Tuning 1
Digital
Check Tuner power line
12V at JL6027 = 12V?
Satellite
Refer Digital Tuning 2
NG
OK
12V LNB Voltage
Checking
For TW & NA-ATSC
(MX/UC) only
All tuners except
TW & NA-ATSC(MX/UC)
Terrestrial/Cable
Please refer DDCON
troubleshooting
117
KD-55/65S8505C, KD-55/65S8005C
TROUBLE SHOOTING
3-5-8. FOR 12V LNB Voltage Checking: @ AEP_W and JP_SKP
12V LNB Voltage Checking
NG
OK
OK
NG
Change the fuse
Check fuse F6000
Check Tuner power line
12V at JL9012 = 12V?
Check P_ON_LNB signal line
at R9167 = 3.3V?
MOSFET Q9019
broken
OK
NG
Check harness between
B-Board and G-board
OK
NG
Harness broken
Please refer G-board
troubleshooting
Please refer DDCON
troubleshooting
118
KD-55/65S8505C, KD-55/65S8005C
TROUBLE SHOOTING
3-5-9. FOR ANALOG TUNING: @ All destination except JP
OK
Analog Tuning
NG
For LA-ISDB(BR/AR), LA-T2(COL) and TW only
For Other destination
Notes:
- Parts for IFOUT_N line: R6007, FB6002, C6008, R6327,
C6301, R6301.
- Parts for IFOUT_P line: R6008, FB6003, C6009, R6326,
C6300, R6300.
- Parts for IFAGC line: R6072, R6009, R6010, R6069, C6302,
R6303.
Change NG parts
Check IC1000(SOC)
OK
Confirm ANT or Cable connection
A
NG
: Insert correct signal in correct terminal.
A
Check part mounting condition for
analog control line
“IFOUT_N, IFOUT_P, IFAGC”
119
KD-55/65S8505C, KD-55/65S8005C
TROUBLE SHOOTING
3-5-10. FOR DIGITAL TUNING 1: @ TW, NA-ATSC(MX/UC), JP_SKP and LA-T2(COL)
Sound is normal?
OK
No sound
Check part mounting condition for digital data line
“IFOUT_N, IFOUT_P, IFAGC”
Check IC1000 (SoC)
Digital Tuning 1
OK
Check SOC(IC1000) and Tuner
module
Change NG parts
Confirm ANT or Cable connection
For TW only
For all
tuners
except TW
Notes:
- Parts for IFOUT_N line: R6007, FB6002, C6008, R6327, C6301,
R6301.
- Parts for IFOUT_P line: R6008, FB6003, C6009, R6326, C6300,
R6300.
- Parts for IFAGC line: R6072, R6009, R6010, R6069, C6302,
R6303.
NG
A
NG
: Insert correct signal in correct terminal.
A
120
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