Service Manual
Page 18
.... 7-7 22 Picture does not appear normally. (Tuner input (Analog) / Video input/S-Video input) 7-8 23 Picture does not appear normally. (Tuner input (Digital)) 7-8 24 Picture does not appear normally. (Y / Pb / Pr input) 7-8 25 Audio is not outputted normally. (Tuner input) 7-9 26 Audio is... not outputted normally. (Tuner input (Digital)) 7-9 27 Audio is not outputted normally. (Audio input terminals) 7-10 NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD. 7-1 A7144_45TS Description Page 1...
.... 7-7 22 Picture does not appear normally. (Tuner input (Analog) / Video input/S-Video input) 7-8 23 Picture does not appear normally. (Tuner input (Digital)) 7-8 24 Picture does not appear normally. (Y / Pb / Pr input) 7-8 25 Audio is not outputted normally. (Tuner input) 7-9 26 Audio is... not outputted normally. (Tuner input (Digital)) 7-9 27 Audio is not outputted normally. (Audio input terminals) 7-10 NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD. 7-1 A7144_45TS Description Page 1...
Service Manual
Page 25
... if defective. Are the Pr signals outputted to the Pins(11, 12) of IC1202? FLOW CHART NO.23 Picture does not appear normally. (Tuner input (Digital)) Are the DIF signals outputted to the Pin(66) of CN62? No Yes Are the video signals outputted to the Pin(54) of IC1202? Yes...
... if defective. Are the Pr signals outputted to the Pins(11, 12) of IC1202? FLOW CHART NO.23 Picture does not appear normally. (Tuner input (Digital)) Are the DIF signals outputted to the Pin(66) of CN62? No Yes Are the video signals outputted to the Pin(54) of IC1202? Yes...
Service Manual
Page 26
... Are the audio (L/R) signals outputted to the Pin(21) of CN62? AUDIO SIGNAL SECTION FLOW CHART NO.25 Audio is not outputted normally. (Tuner input (Digital)) Are the DIF signals outputted to the Pins(11, 12) No of IC851? FLOW CHART NO.26 Audio is not outputted normally. (Tuner input) Are...
... Are the audio (L/R) signals outputted to the Pin(21) of CN62? AUDIO SIGNAL SECTION FLOW CHART NO.25 Audio is not outputted normally. (Tuner input (Digital)) Are the DIF signals outputted to the Pins(11, 12) No of IC851? FLOW CHART NO.26 Audio is not outputted normally. (Tuner input) Are...
Service Manual
Page 36
... line number 1-D3 "1" of repaired units, use the part number shown on foil side. : Used to indicate a test point with no test pin. : Used to 3 digits) 3 1-B1 AREA D3 Examples: 2 AREA B1 1. The correct part number is not consistent here. 5. How to read converged lines Unit: Volts 1-D3 Distinction Area Line...
... line number 1-D3 "1" of repaired units, use the part number shown on foil side. : Used to indicate a test point with no test pin. : Used to 3 digits) 3 1-B1 AREA D3 Examples: 2 AREA B1 1. The correct part number is not consistent here. 5. How to read converged lines Unit: Volts 1-D3 Distinction Area Line...
Service Manual
Page 50
... AC CORD TU61 TUNER UNIT S-VIDEO IN VIDEO -IN1 VIDEO-Y IN VIDEO-Pb IN VIDEO-Pr IN AUDIO(R) -IN1 AUDIO(L) -IN1 AUDIO(R) -IN2 AUDIO(L) -IN2 DIGITAL AUDIO-OUT CL1104 1 2 IR SENSOR 3 CBA 4 5 AL+3.3V(D) GND REMOTE P-ON-H NU CN1302 1 2 3 4 5 CN1201 1 ER [5] 2 ER [4] 3 ER [3] 4 ER [2] 5 ER [1] 6 ER [0] 7 GND 8 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Comparison Chart of Models and Marks Model Mark LC-20AV7U A LC-20SH7U B CN61 CN101 1 D-GND 1 2 DTV-SPDIF 2 3 DTV-ON+5V 3 4 TU-SCL 4 5 TU-SDA 5 6 D-GND 6 7 DTV-S-SREQ 7 8 DTV-S-SCLK 8 9 DTV-S-SIN 9 10...
... AC CORD TU61 TUNER UNIT S-VIDEO IN VIDEO -IN1 VIDEO-Y IN VIDEO-Pb IN VIDEO-Pr IN AUDIO(R) -IN1 AUDIO(L) -IN1 AUDIO(R) -IN2 AUDIO(L) -IN2 DIGITAL AUDIO-OUT CL1104 1 2 IR SENSOR 3 CBA 4 5 AL+3.3V(D) GND REMOTE P-ON-H NU CN1302 1 2 3 4 5 CN1201 1 ER [5] 2 ER [4] 3 ER [3] 4 ER [2] 5 ER [1] 6 ER [0] 7 GND 8 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Comparison Chart of Models and Marks Model Mark LC-20AV7U A LC-20SH7U B CN61 CN101 1 D-GND 1 2 DTV-SPDIF 2 3 DTV-ON+5V 3 4 TU-SCL 4 5 TU-SDA 5 6 D-GND 6 7 DTV-S-SREQ 7 8 DTV-S-SCLK 8 9 DTV-S-SIN 9 10...