SERVICE MANUAL - Encompass Imaging

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FLOW CHART NO.10 TUNER+5V is not output. (PANEL+13V is outputted normally.) Is approximately +6.7V voltage supplied to the collector of Q637? Is approximately +6V voltage supplied to the base of Q637? Replace Q637. FLOW CHART NO.11 P-ON+3V is not output. Yes Yes Is approximately +3V voltage supplied to the cathode of D638? FLOW CHART NO.12 P-ON+3.3V(PANEL+3.3V) is not output. Is approximately +5V voltage supplied to the cathode of D639? Is the "H" signal (approximately +3.5V) inputted to the base of Q640? Replace Q640. Yes Check if there is any leak or short-circuit on the loaded circuit, and service it if defective. Yes Yes FLOW CHART NO.13 P-ON+9V is not output. (PANEL+13V is outputted normally.) Is approximately +13V voltage supplied to the collector of Q641? Is approximately +10V voltage supplied to the base of Q641? Replace Q641. Yes Yes No No No No No No No See FLOW CHART No.8 Check D659 and their periphery circuit, and service it if defective. Check C638, D638 and their periphery circuit, and service it if defective. Check C639, D639 and their periphery circuit, and service it if defective. Check Q638, Q639, P-ON-H2 line and their periphery circuit, and service it if defective. Check C643, D643 and their periphery circuit, and service it if defective. Check D666 and their periphery circuit, and service it if defective. 8-3 A91N3TR
FLOW CHART NO.14 AL+3.3V is not output. Is approximately +34V voltage supplied to the collector of Q634? Is approximately +5V voltage supplied to Pin(1) of IC631? Replace IC631. FLOW CHART NO.15 LCD-7.1V is not output. Yes Yes Is approximately -9V voltage supplied to the Anode of D636? Replace Q206. Yes Is approximately -8V voltage supplied to the base of Q206? Yes No No No No See FLOW CHART No.5 Check Q634, D650 and their periphery circuit, and service it if defective. Check C636, D636, D637 and their periphery circuit, and service it if defective. Check Q202, Q203, D204, P-ON-H1 line and their periphery circuit, and service it if defective. 8-4 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: FLOW CHART NO.6 PANEL+24.5V is not
Page 31 and 32: FLOW CHART NO.4 Picture does not ap
Page 33 and 34: FLOW CHART NO.3 Audio is not output
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 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
Page 83 and 84:
ELECTRICAL PARTS LIST [LC195SLX (Se
Page 85 and 86:
Ref. No. Description Part No. D1010
Page 87 and 88:
Ref. No. Description Part No. R1015
Page 89 and 90:
Ref. No. Description Part No. C103
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Page 95 and 96:
Page 97 and 98:
ELECTRICAL PARTS LIST [LC195SLX (Se
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Page 109 and 110:
Page 111 and 112:
ELECTRICAL PARTS LIST [LC195EMX (Se
Page 113 and 114:
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Page 117 and 118:
Page 119 and 120:
Page 121 and 122:
Ref. No. Description Part No. Q1551
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Page 125 and 126:
JUNCTION-B CBA(MJC-D) Ref. No. Desc
Page 127 and 128:
Page 129 and 130:
Ref. No. Description Part No. Q1551
Page 131 and 132:
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JUNCTION-B CBA(MJC-D) Ref. No. Desc
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ELECTRICAL PARTS LIST [19MF339B/F7]
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SERVICE MANUAL - Encompass Imaging

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