SERVICE MANUAL - Encompass Imaging
SERVICE MANUAL - Encompass Imaging SERVICE MANUAL - Encompass Imaging
FLOW CHART NO.5 Audio is not outputted normally.(PC Audio input) Are the audio(L/R) signals inputted to Pin(1, 12) 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 Check the line between Pin(1, 12) of IC771 and input terminal(JK711), 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. 8-9 A91N3TR
BLOCK DIAGRAMS System Control Block Diagram RS101 REMOTE SENSOR JUNCTION -A CBA IC3301 (MAIN MICRO CONTROLLER) AL+3.3V D103 STANDBY CN102 CN101 2 REMOTE 2 5 P-ON-H1 5 4 LED1 4 6 KEY-IN1 6 Q172 D104 POWER CN101A CN101B 2 REMOTE 2 5 P-ON-H1 5 4 LED1 4 6 KEY-IN1 6 Q171 CN3702 CN302 29 KEY-IN1 29 KEY-IN1 AC5 KEY SWITCH CN3701 CN301 REMOTE R22 25 REMOTE 25 LED1 F1 27 LED1 27 P-ON-H2 AB13 1 P-ON-H2 1 P-ON-H1 R23 9 P-ON-H1 9 FUNCTION CBA E1 INPUT0 E2 INPUT1 AB9 AUDIO-MUTE INPUT0 TO AUDIO BLOCK INPUT1 DIAGRAM AUDIO-MUTE IC201,Q207, Q208,Q209 TO POWER SUPPLY BLOCK DIAGRAM VCOM P-ON-H2 P-ON-H1 PROTECT1 PROTECT2 DRIVE 9-1 TO INVERTER BLOCK DIAGRAM PROTECT3 BACKLIGHT-SW BACKLIGHT-ADJ CN3701 CN301 11 PROTECT1 11 15 PROTECT2 15 5 PROTECT3 5 29 VCOM-PWM 29 26 BACKLIGHT-SW 26 28 BACKLIGHT-ADJ 28 PROTECT1 AD5 PROTECT2 AD4 PROTECT3 AE5 VCOM-PWM AC14 BACKLIGHT-SW AB16 BACKLIGHT-ADJ AB23 TU302 (TUNER UNIT) SCL SDA 4 5 CN3702 CN302 22 SCL 22 21 SDA 21 SCL AC18 SDA AC19 IC3101 (MEMORY) SCK SIN SOUT CS WP AB25 AB24 AC25 AC24 E11 6 5 2 1 3 SCK SI SO CS WP CLKOUT CLKIN N1 N2 X3101 25MHz OSC DIGITAL MAIN CBA UNIT MAIN CBA A91N3BLS
- 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 and 32: FLOW CHART NO.4 Picture does not ap
- Page 33: FLOW CHART NO.3 Audio is not output
- 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
- Page 83 and 84: ELECTRICAL PARTS LIST [LC195SLX (Se
BLOCK DIAGRAMS<br />
System Control Block Diagram<br />
RS101<br />
REMOTE<br />
SENSOR<br />
JUNCTION -A<br />
CBA<br />
IC3301<br />
(MAIN MICRO CONTROLLER)<br />
AL+3.3V<br />
D103<br />
STANDBY<br />
CN102<br />
CN101<br />
2 REMOTE 2<br />
5 P-ON-H1 5<br />
4 LED1 4<br />
6 KEY-IN1 6<br />
Q172<br />
D104<br />
POWER<br />
CN101A<br />
CN101B<br />
2 REMOTE 2<br />
5 P-ON-H1 5<br />
4 LED1 4<br />
6 KEY-IN1 6<br />
Q171<br />
CN3702<br />
CN302<br />
29 KEY-IN1 29<br />
KEY-IN1 AC5<br />
KEY SWITCH<br />
CN3701<br />
CN301<br />
REMOTE R22<br />
25 REMOTE 25<br />
LED1 F1 27 LED1 27<br />
P-ON-H2 AB13<br />
1 P-ON-H2 1<br />
P-ON-H1 R23<br />
9 P-ON-H1 9<br />
FUNCTION CBA<br />
E1 INPUT0<br />
E2 INPUT1<br />
AB9 AUDIO-MUTE<br />
INPUT0<br />
TO AUDIO<br />
BLOCK INPUT1<br />
DIAGRAM AUDIO-MUTE<br />
IC201,Q207,<br />
Q208,Q209<br />
TO<br />
POWER SUPPLY<br />
BLOCK DIAGRAM<br />
VCOM<br />
P-ON-H2<br />
P-ON-H1<br />
PROTECT1<br />
PROTECT2<br />
DRIVE<br />
9-1<br />
TO<br />
INVERTER<br />
BLOCK<br />
DIAGRAM<br />
PROTECT3<br />
BACKLIGHT-SW<br />
BACKLIGHT-ADJ<br />
CN3701<br />
CN301<br />
11 PROTECT1 11<br />
15 PROTECT2 15<br />
5 PROTECT3 5<br />
29 VCOM-PWM 29<br />
26 BACKLIGHT-SW 26<br />
28 BACKLIGHT-ADJ 28<br />
PROTECT1 AD5<br />
PROTECT2 AD4<br />
PROTECT3 AE5<br />
VCOM-PWM AC14<br />
BACKLIGHT-SW AB16<br />
BACKLIGHT-ADJ AB23<br />
TU302 (TUNER UNIT)<br />
SCL<br />
SDA<br />
4<br />
5<br />
CN3702 CN302<br />
22 SCL<br />
22<br />
21 SDA<br />
21<br />
SCL AC18<br />
SDA AC19<br />
IC3101 (MEMORY)<br />
SCK<br />
SIN<br />
SOUT<br />
CS<br />
WP<br />
AB25<br />
AB24<br />
AC25<br />
AC24<br />
E11<br />
6<br />
5<br />
2<br />
1<br />
3<br />
SCK<br />
SI<br />
SO<br />
CS<br />
WP<br />
CLKOUT<br />
CLKIN<br />
N1<br />
N2<br />
X3101<br />
25MHz<br />
OSC<br />
DIGITAL MAIN CBA UNIT MAIN CBA<br />
A91N3BLS
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