45
Troubleshooting
3-2-5. LED BLINKING 6x (Backlight Error)
No
Harness /
Connection
broken
6-times blinking
Check
JL9016
BACKLIGHT_MON
on B*Board
Check
harness/connection
G*board to B*Board
or
LD board to B*Board
G*Board
or LD?
Voltage
≥ 1.9 V
Symptom
Improvement
Harness
Change
harness
Change
B* board
B* Board
Harness /
Connection OK
No
improvement
PSU OK
Voltage < 1.8 V
Panel
Change
Panel
Symptom
Improvement
Visual Check LS Bar
FFC Conductive Copper
Peel Off?
Refer to 1.5
Out1 & Out2 Check (LED_Output)
LD
G* Board
Yes
Suspect LS
Bar Broken
No
Improvement
Symptom
Improvement
Summary of Contents for KDL-48W7 C Series
Page 2: ...LCD TV SERVICE MANUAL COMMON RB2G CHASSIS Segment XM L ...
Page 22: ...1 3 4 2 22 ...
Page 24: ...Q9107 SL9106 C9148 2 C7374 C7369 IC7305 IC7304 IC9201 C9202 24 ...
Page 25: ...IC9104 F9104 C9155 SL9107 C9171 SL9109 3 SYSTEM 3_PWR 25 ...
Page 26: ...IC9105 F9106 C9163 SL910 8 4 26 ...
Page 30: ...Troubleshooting References 30 Troubleshooting 3 2 1 LED Blinking 2x Main power Error 1 ...
Page 43: ...43 Troubleshooting BAXL B Side BAXL Probing Points 12 5 V Check JL9132 PANEL_VCC ...
Page 46: ...46 Troubleshooting 3 2 5 LED BLINKING 6x Backlight Error BAX L B Side JL9016 ...
Page 50: ...50 Troubleshooting Troubleshooting Reference TUS board Side B CN3103 Vcc Vin pin 1 ...
Page 51: ...Troubleshooting Reference TUW board Side B 51 Troubleshooting CN3103 Vcc Vin pin 1 ...
Page 60: ...60 Troubleshooting CN9101 Pin 10 Pin 8 Troubleshooting Reference BAX L board Side A ...
Page 61: ...61 Troubleshooting BAX L board Side B CL4601 Troubleshooting Reference ...
Page 62: ...62 Troubleshooting CL4601 BAX L board Side B Troubleshooting Reference ...
Page 70: ...70 Troubleshooting C5059 R5071 C5071 C5073 C5072 BAXL A Side ...
Page 73: ...73 Troubleshooting BAXL B Side JL9132 PANEL_VCC BAXL Probing Points ...
Page 74: ...74 Troubleshooting BAXL A Side F8001 12V BAXL Probing Points ...
Page 75: ...75 Troubleshooting BAXL A Side F8001 12V BAXL Probing Points ...
Page 76: ...3 4 1 Video Analog Signal Path 76 ...
Page 79: ...Troubleshooting R8570 RB5008 BAX L AEP A SIDE C7026 C7025 ...
Page 81: ...Troubleshooting TUS A SIDE J3104 CN3101 VD3111 VD3110 VD3104 VD3107 VD3127 ...
Page 83: ...Troubleshooting BAX L AEP B2B A SIDE C7018 C3029 R3025 C3022 R3024 C3030 R3026 ...
Page 84: ...Troubleshooting TUS B2B A SIDE CN3102 R3149 R3150 R3151 R3152 ...
Page 88: ...Troubleshooting TUS PA A SIDE J3101 VD3127 VD3103 R3116 VD3110 ...
Page 90: ...Troubleshooting R8570 BAX L JP A SIDE C3000 C7030 R3008 R3000 C7026 R3021 R3014 C3018 C3019 ...
Page 91: ...91 Troubleshooting J3101 TB3101 TUW JP A SIDE VD3110 R3114 ...
Page 94: ...Troubleshooting IC9001 BAXL BOARD ...
Page 95: ...Troubleshooting TUS BOARD IC 2501 Tuner ...
Page 96: ...Troubleshooting IFAGC_1 IC2501 TUS BOARD Tuner ...
Page 97: ...Troubleshooting TUS BOARD A2 5V IC2501 Tuner ...
Page 98: ...IC2501 IC2501 TU_SCL TU_SDA A_RESET TUS BOARD Tuner ...
Page 99: ...IC2501 IFOUTP_1 IFOUTN_1 TUS BOARD Tuner ...
Page 100: ...IC 2602 Tuner TUS A BOARD ...
Page 101: ...IFAGC_1 IC2602 TUS A BOARD Tuner ...
Page 102: ...IC2602 A2 5V TUS A BOARD Tuner ...
Page 103: ...IC2602 TU_SCL TU_SDA A_RESET TUS A BOARD Tuner ...
Page 104: ...IC2602 IFOUTP_1 IFOUTN_1 TUS A BOARD Tuner ...
Page 106: ...BAX BOARD IC9001 Tuner ...
Page 107: ...TUS BOARD IC 2501 Tuner ...
Page 108: ...IFAGC_1 IC2501 Tuner TUS BOARD ...
Page 109: ...A2 5V IC2501 Tuner TUS BOARD ...
Page 110: ...TUS BOARD IC2501 IC2501 TU_SCL TU_SDA A_RESET Tuner ...
Page 111: ...IC2501 IFOUTP_1 IFOUTN_1 Tuner TUS BOARD ...
Page 113: ...BAX BOARD IC9001 BROWNIE IC9001 Tuner ...
Page 114: ...TUS BOARD IC2501 IC 2501 Tuner ...
Page 115: ...IFAGC_1 IC2501 Tuner IFAGC_2 TUS BOARD ...
Page 116: ...A2 5V IC2501 Tuner TUS BOARD ...
Page 117: ...IC2501 IC2501 TU_SCL TU_SDA A_RESET Tuner TUS BOARD ...
Page 118: ...TUS BOARD IC2501 IFOUTP_1 IFOUTN_1 Tuner ...
Page 119: ...TUS A BOARD IC 2602 Tuner ...
Page 120: ...IFAGC_1 IC2602 Tuner TUS A BOARD ...
Page 121: ...IC2602 A2 5V Tuner TUS A BOARD ...
Page 122: ...IC2602 TU_SCL TU_SDA A_RESET Tuner TUS A BOARD ...
Page 123: ...IC2602 IFOUTP_1 IFOUTN_1 Tuner TUS A BOARD ...
Page 124: ...IC2101 Tuner TUS TUS A BOARD ...
Page 125: ...TUS TUS A BOARD IC2101 IC2101 I2CB_SDA I2CB_SCL Tuner ...
Page 126: ...IC2601 Tuner TUS TUS A BOARD ...
Page 127: ...TUS TUS A BOARD 127 IC2601 DDEM1 2V DDEM1 1V DDEM3 3V Tuner ...
Page 128: ...128 DMD_RESET1 IC2601 Tuner TUS TUS A BOARD ...
Page 129: ...IC2201 1 Tuner TUS TUS A BOARD ...
Page 131: ...BAX BOARD IC9001 BROWNIE IC9001 Tuner ...
Page 132: ...TUS BOARD IC2501 IC 2501 Tuner ...
Page 133: ...IFAGC_1 IC2501 Tuner IFAGC_2 TUS BOARD ...
Page 134: ...A2 5V IC2501 Tuner TUS BOARD ...
Page 135: ...TUS BOARD IC2501 IC2501 TU_SCL TU_SDA A_RESET Tuner ...
Page 136: ...IC2501 IFOUTP_1 IFOUTN_1 Tuner TUS BOARD ...
Page 137: ...TUS A BOARD IC 2602 Tuner ...
Page 138: ...IFAGC_1 IC2602 Tuner TUS A BOARD ...
Page 139: ...IC2602 A2 5V Tuner TUS A BOARD ...
Page 140: ...IC2602 IFOUTP_1 IFOUTN_1 Tuner TUS A BOARD ...
Page 141: ...TUS TUS A BOARD IC2101 Tuner ...
Page 142: ...142 IC2101 IC2101 I2CB_SDA I2CB_SCL Tuner TUS TUS A BOARD ...
Page 143: ...TUS TUS A BOARD IC2601 Tuner ...
Page 144: ...TUS TUS A BOARD IC2601 DDEM1 2V DDEM1 1V DDEM3 3V Tuner ...
Page 145: ...TUS TUS A BOARD 145 DMD_RESET1 IC2601 Tuner ...
Page 146: ...TUS TUS A BOARD IC2201 1 Tuner ...
Page 148: ...BAX BOARD IC9001 BROWNIE IC9001 Tuner ...
Page 149: ...TUS TUS A BOARD IC2601 Tuner ...
Page 150: ...IC2601 DDEM1 2V DDEM1 1V DDEM3 3V Tuner TUS TUS A BOARD ...
Page 151: ...151 IC2101 IC2101 I2CB_SDA I2CB_SCL Tuner TUS TUS A BOARD ...
Page 153: ...TUW BOARD 153 IC2308 MAIN IC2309 SUB Tuner ...
Page 154: ...TUW BOARD I2CB_SCL I2CB_SDA IC2309 SUB Tuner ...
Page 155: ...LNA_5V IC2308 MAIN A2 5V DDEM3 3V DDEM1 2V DDEM2 5V Tuner TUW BOARD ...
Page 156: ...BAX BOARD IC9001 BROWNIE IC9001 Tuner ...
Page 157: ...TUW TUNER MODULE TU2301 TU2301 Tuner ...
Page 158: ...TU_SUB AGC TU2301 Tuner TUW BOARD ...
Page 160: ...RB5016 RB5006 RB5005 CN5002 HPD DDC BAXL A Side TMDS 160 Troubleshooting ...
Page 162: ...BAXL A Side R5085 R5090 ...
Page 163: ...BAXL A Side R5076 R5016 R5018 R5015 R5050 R5052 R5032 RB5013 RB5012 ...
Page 165: ...BAXL A Side RB5019 R5133 D5001 D5002 R5134 R5135 R5136 ...
Page 168: ...168 Troubleshooting R7417 BAXL Board A side ...
Page 171: ...171 BAXL A side IC6400 CHK 1 CHK 2 CHK 4 CHK 3 CHK 5 CHK 5 CHK 2 ...
Page 193: ...193 English 2015 03 Sony EMCS Malaysia Sdn Bhd RDCM 9 888 170 01 ...