SERVICE MANUAL - Encompass Imaging
SERVICE MANUAL - Encompass Imaging SERVICE MANUAL - Encompass Imaging
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 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
FLOW CHART NO.10<br />
TUNER+5V is not output. (PANEL+13V is outputted normally.)<br />
Is approximately +6.7V voltage supplied to the<br />
collector of Q637?<br />
Is approximately +6V voltage supplied to the<br />
base of Q637?<br />
Replace Q637.<br />
FLOW CHART NO.11<br />
P-ON+3V is not output.<br />
Yes<br />
Yes<br />
Is approximately +3V voltage supplied to the<br />
cathode of D638?<br />
FLOW CHART NO.12<br />
P-ON+3.3V(PANEL+3.3V) is not output.<br />
Is approximately +5V voltage supplied to the<br />
cathode of D639?<br />
Is the "H" signal (approximately +3.5V) inputted to the<br />
base of Q640?<br />
Replace Q640.<br />
Yes<br />
Check if there is any leak or short-circuit on<br />
the loaded circuit, and service it if defective.<br />
Yes<br />
Yes<br />
FLOW CHART NO.13<br />
P-ON+9V is not output. (PANEL+13V is outputted normally.)<br />
Is approximately +13V voltage supplied to the<br />
collector of Q641?<br />
Is approximately +10V voltage supplied to the<br />
base of Q641?<br />
Replace Q641.<br />
Yes<br />
Yes<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
See FLOW CHART No.8<br />
Check D659 and their periphery circuit, and service<br />
it if defective.<br />
Check C638, D638 and their periphery circuit, and<br />
service it if defective.<br />
Check C639, D639 and their periphery circuit, and<br />
service it if defective.<br />
Check Q638, Q639, P-ON-H2 line and their periphery<br />
circuit, and service it if defective.<br />
Check C643, D643 and their periphery circuit,<br />
and service it if defective.<br />
Check D666 and their periphery circuit, and service<br />
it if defective.<br />
8-3 A91N3TR
Change language