SERVICE MANUAL - Encompass Imaging
SERVICE MANUAL - Encompass Imaging SERVICE MANUAL - Encompass Imaging
[ Audio Signal Section ] FLOW CHART NO.1 Audio is not outputted normally.(Audio input) Are the audio(L/R) signals inputted to Pin(2, 15) of IC771? Yes Are the audio(L/R) signals inputted to Pin(6, 8) of CN301? Yes Are the audio(L/R) signals inputted to Pin(3, 5) of IC803? Yes Are the audio(L/R) signals outputted to Pin(1, 7) of IC803? Yes Are the audio(L/R) signals inputted to Pin(1, 9) of IC801? Yes Are the audio(L/R) signals outputted to Pin(4, 6) of IC801? Yes Check SP861,SP862 and their periphery circuit, and service it if defective. FLOW CHART NO.2 Audio is not outputted normally.(Component Audio input) Are the audio(L/R) signals inputted to Pin(4, 11) of IC771? Yes Are the audio(L/R) signals inputted to Pin(6, 8) of CN301? Yes Are the audio(L/R) signals inputted to Pin(3, 5) of IC803? Yes Are the audio(L/R) signals outputted to Pin(1, 7) of IC803? Yes Are the audio(L/R) signals inputted to Pin(1, 9) of IC801? Yes Are the audio(L/R) signals outputted to Pin(4, 6) of IC801? Yes Check SP861,SP862 and their periphery circuit, and service it if defective. No No No No No No No No No No No No Check the line between Pin(2, 15) of IC771 and input terminal(JK753, JK754), and service it if defective. Replace Digital Main CBA Unit. Check the line between Pin(6, 8) of CN301 and Pin(3, 5) of IC803, and service it if defective. Replace IC803 Check the line between Pin(1, 7) of IC803 and Pin(1, 9) of IC801, and service it if defective. Check IC801 and their periphery circuit, and service it if defective. Check the line between Pin(4, 11) of IC771 and input terminal(JK741, JK742), and service it if defective. Replace Digital Main CBA Unit. Check the line between Pin(6, 8) of CN301 and Pin(3, 5) of IC803, and service it if defective. Replace IC803 Check the line between Pin(1, 7) of IC803 and Pin(1, 9) of IC801, and service it if defective. Check IC801 and their periphery circuit, and service it if defective. 8-7 A91N3TR
FLOW CHART NO.3 Audio is not outputted normally.(Tuner input) Are the DIF signals outputted to Pin(26, 28) of CN302? Check TU302 and their periphery circuit, and service Yes Are the audio(L/R) signals inputted to Pin(6, 8) of CN301? Yes Are the audio(L/R) signals inputted to Pin(3, 5) of IC803? Yes Are the audio(L/R) signals outputted to Pin(1, 7) of IC803? Yes Are the audio(L/R) signals inputted to Pin(1, 9) of IC801? Yes Are the audio(L/R) signals outputted to Pin(4, 6) of IC801? Yes Check SP861,SP862 and their periphery circuit, and service it if defective. FLOW CHART NO.4 Audio is not outputted normally.(HDMI Audio input) Are the audio(L/R) signals inputted to Pin(5, 14) of IC771? Yes Are the audio(L/R) signals inputted to Pin(6, 8) of CN301? Yes Are the audio(L/R) signals inputted to Pin(3, 5) of IC803? Yes Are the audio(L/R) signals outputted to Pin(1, 7) of IC803? Yes Are the audio(L/R) signals inputted to Pin(1, 9) of IC801? Yes Are the audio(L/R) signals outputted to Pin(4, 6) of IC801? Yes Check SP861,SP862 and their periphery circuit, and service it if defective. No No No No No No No No No No No No it if defective. Replace Digital Main CBA Unit. Check the line between Pin(6, 8) of CN301 and Pin(3, 5) of IC803, and service it if defective. Replace IC803 Check the line between Pin(1, 7) of IC803 and Pin(1, 9) of IC801, and service it if defective. Check IC801 and their periphery circuit, and service it if defective. Check the line between Pin(5, 14) of IC771 and input terminal(JK721, JK722), and service it if defective. Replace Digital Main CBA Unit. Check the line between Pin(6, 8) of CN301 and Pin(3, 5) of IC803, and service it if defective. Replace IC803 Check the line between Pin(1, 7) of IC803 and Pin(1, 9) of IC801, and service it if defective. Check IC801 and their periphery circuit, and service it if defective. 8-8 A91N3TR
- Page 1 and 2: LCD TV chassis FL9.0 SERVICE MANUAL
- Page 3 and 4: TABLE OF CONTENTS Specifications .
- Page 5 and 6: IMPORTANT SAFETY PRECAUTIONS Prior
- Page 7 and 8: Precautions during Servicing A. Par
- Page 9 and 10: Circuit Board Indications STANDARD
- Page 11 and 12: With Iron Wire: 1. Using desolderin
- Page 13 and 14: CABINET DISASSEMBLY INSTRUCTIONS [L
- Page 15 and 16: [16] Front Cabinet [13] Junction-B
- Page 17 and 18: CABINET DISASSEMBLY INSTRUCTIONS [2
- Page 19 and 20: [16] Front Cabinet (S-14) [13] Junc
- Page 21 and 22: ELECTRICAL ADJUSTMENT INSTRUCTIONS
- Page 23 and 24: The white balance adjustment should
- Page 25 and 26: Equipment Required a. USB memory b.
- Page 27 and 28: FLOW CHART NO.6 PANEL+24.5V is not
- Page 29 and 30: FLOW CHART NO.14 AL+3.3V is not out
- Page 31: FLOW CHART NO.4 Picture does not ap
- Page 35 and 36: BLOCK DIAGRAMS System Control Block
- Page 37 and 38: Audio Block Diagram AUDIO SIGNAL JA
- Page 39 and 40: Inverter Block Diagram [LC195SLX, L
- Page 41 and 42: Power Supply Block Diagram [LC195SL
- Page 43 and 44: SCHEMATIC DIAGRAMS / CBA AND TEST P
- Page 45 and 46: Main 1/4 Schematic Diagram [LC195SL
- Page 47 and 48: Main 3/4 & Junction-B Schematic Dia
- Page 49 and 50: Main 1/4 Schematic Diagram [22MF339
- Page 51 and 52: Main 3/4 & Junction-B Schematic Dia
- Page 53 and 54: Jack & Junction-C Schematic Diagram
- Page 55 and 56: Digital Main 1/5 Schematic Diagram
- Page 57 and 58: Digital Main 3/5 Schematic Diagram
- Page 59 and 60: Digital Main 5/5 Schematic Diagram
- Page 61 and 62: Main CBA Bottom View [LC195SLX, LC1
- Page 63 and 64: Main CBA Bottom View [22MF339B/F7,
- Page 65 and 66: Jack CBA Bottom View 10-23 BA94N0F0
- Page 67 and 68: WF1 ~ WF7 = Waveforms to be observe
- Page 69 and 70: DIGITAL MAIN CBA UNIT CN3902 TUNER
- Page 71 and 72: Cabinet [22MF339B/F7, LC225SSX] Fun
- Page 73 and 74: Packing [22MF339B/F7, LC225SSX] Tap
- Page 75 and 76: MECHANICAL PARTS LIST [LC195SLX (Se
- Page 77 and 78: MECHANICAL PARTS LIST [LC195EMX (Se
- Page 79 and 80: MECHANICAL PARTS LIST [22MF339B/F7]
- Page 81 and 82: MECHANICAL PARTS LIST [LC195SSX] PR
FLOW CHART NO.3<br />
Audio is not outputted normally.(Tuner input)<br />
Are the DIF signals outputted to Pin(26, 28) of CN302? Check TU302 and their periphery circuit, and service<br />
Yes<br />
Are the audio(L/R) signals inputted to Pin(6, 8) of<br />
CN301?<br />
Yes<br />
Are the audio(L/R) signals inputted to Pin(3, 5)<br />
of IC803?<br />
Yes<br />
Are the audio(L/R) signals outputted to Pin(1, 7)<br />
of IC803?<br />
Yes<br />
Are the audio(L/R) signals inputted to Pin(1, 9)<br />
of IC801?<br />
Yes<br />
Are the audio(L/R) signals outputted to Pin(4, 6)<br />
of IC801?<br />
Yes<br />
Check SP861,SP862 and their periphery circuit,<br />
and service it if defective.<br />
FLOW CHART NO.4<br />
Audio is not outputted normally.(HDMI Audio input)<br />
Are the audio(L/R) signals inputted to Pin(5, 14)<br />
of IC771?<br />
Yes<br />
Are the audio(L/R) signals inputted to Pin(6, 8) of<br />
CN301?<br />
Yes<br />
Are the audio(L/R) signals inputted to Pin(3, 5)<br />
of IC803?<br />
Yes<br />
Are the audio(L/R) signals outputted to Pin(1, 7)<br />
of IC803?<br />
Yes<br />
Are the audio(L/R) signals inputted to Pin(1, 9)<br />
of IC801?<br />
Yes<br />
Are the audio(L/R) signals outputted to Pin(4, 6)<br />
of IC801?<br />
Yes<br />
Check SP861,SP862 and their periphery circuit,<br />
and service it if defective.<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
it if defective.<br />
Replace Digital Main CBA Unit.<br />
Check the line between Pin(6, 8) of CN301 and<br />
Pin(3, 5) of IC803, and service it if defective.<br />
Replace IC803<br />
Check the line between Pin(1, 7) of IC803 and<br />
Pin(1, 9) of IC801, and service it if defective.<br />
Check IC801 and their periphery circuit, and<br />
service it if defective.<br />
Check the line between Pin(5, 14) of IC771 and input<br />
terminal(JK721, JK722), and service it if defective.<br />
Replace Digital Main CBA Unit.<br />
Check the line between Pin(6, 8) of CN301 and<br />
Pin(3, 5) of IC803, and service it if defective.<br />
Replace IC803<br />
Check the line between Pin(1, 7) of IC803 and<br />
Pin(1, 9) of IC801, and service it if defective.<br />
Check IC801 and their periphery circuit, and<br />
service it if defective.<br />
8-8 A91N3TR
Change language