Sony KJ-48W7 C Series LCD TV Manuals

Manuals and User Guides for Sony KJ-48W7 C Series LCD TV. We have 1 Sony KJ-48W7 C Series LCD TV manual available for free PDF download: Service Manual

Sony KJ-48W7 C Series Service Manual

Sony KJ-48W7 C Series Service Manual (194 pages)

Brand: Sony | Category: LCD TV | Size: 18.69 MB

Table of Contents

Model List
3
Table of Contents
4
1 Safety Notes

5
2 Self Diagnostic Function

8
- Overview of Control Buttons
  8
- LED Display Control
  9
- Standby LED Error Display
  9
- LED Pattern
  9
- Triage Chart
  10
3 Troubleshooting

11
- No Power
  11
  - Check 3.3V DDCON
    12
  - Checkcheck 12V DDCON
    12
  - Board Name Board PWB (a Side)
    13
  - NO POWER: Ayu2L Control
    16
  - NO POWER: DC/DC Converter Check
    19
  - NO POWER – AYU2L Failure
    27
  - NO POWER – AYU2L Replacement
    28
- Led Blinking
  29
  - BAX-L Board (XM-L)
    29
  - LED Blinking: 2X (Main Power Error)
    30
  - LED Blinking: 3X (DC Alert & Communication Error)
    32
  - LED BLINKING 3X (Audio Error) BAX-L(HE-L, HM, HE-H, XM-L) Board Only
    38
  - LED BLINKING 6X (Backlight Error)
    45
  - LED BLINKING 7X (Temperature Error)
    47
  - No Sound
    48
  - No Sound : Audio (for All Models)
    49
  - TUS Board Side B
    50
  - No Sound : Audio (for AEP Models Only) TUS (HE-L,HM,HE-H,XM-L)
    53
  - Main Board Power off Checking
    55
  - No Sound: HP / Lineout Only
    64
  - GN1 Main Board Power on Checking
    64
  - No Sound: Tuner
    69
  - No Sound: Mhl
    69
  - No Sound: Hdmi
    71
  - No Picture: (XM-L)
    72
  - BAXL Probing Points
    73
  - Video Analog Signal Path
    76
  - No Picture AEP Destination (BAX-L+TUS AEP) (A)
    77
  - No Picture AEP Destination (BAX-L+TUS AEP) (B)
    78
  - No Picture HOTEL_B2B (BAX_L + TUS AEP,UC/PA)
    82
  - Input Skip Function – BAX L
    92
  - NO PICTURE: @ Tuner UC / KR
    93
  - Baxl Board
    94
  - Bax Board
    106
  - Tus Board
    107
  - Bax Board – Ic9001 (Brownie)
    131
  - Tus Board – Ic2501
    132
  - Tus/Tus-A Board
    141
  - No Picture: Hdmi
    159
  - BAXL-A Side
    160
  - NO PICTURE: HDMI (BAXL Board)
    161
  - No Picture: Mhl (Baxl)
    164
- Side Buttons Malfunction
  166
- IR Remote Commander Malfunction
  167
- BAXL Board a Side
  168
- Light Sensor Error
  169
- Network Malfunction: Ethernet (Wired)
  170
- Wireless Network Malfunction
  172
4 Service Adjustments

174
- Accessing Service Mode
  174
- VCOM Adjustment (NFR-AUO/SDC/FXC Panel)
  178
- VCOM Adjustment (HFR-AUO/FXC Panel)
  179
- REC Setting
  179
- Reset Panel Operation Time
  180
- Set to Shipping Condition
  180
  - Summary of Service Control
    180
  - Service Menu Tree
    181
  - How to Enter Self Diagnosis Display
    182
  - Format of Error Timestamps
    183
5 Diagrams

184
- Diagrams
  184
- Circuit Board Location
  184
- Block Diagram
  185
- Connector Diagram
  190

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