Panasonic PT52LCX66 Service Manual - Page 56

PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 VIDEO SIGNAL PATH II BLOCK DIAGRAM LCD DRIVE P.C.B. IC2504 (LVDS RECEIVER) IC2503 (SIGNAL PROCESS FOR LCD PANEL) LVDS DATA A(+) CN2502-14 10 LVDS DATA A(-) CN2502-15 9 LVDS DATA B(+) CN2502-11 12 FROM VIDEO I SIGNAL PATH BLOCK DIAGRAM (CN5700) LVDS DATA B(-) CN2502-12 LVDS DATA C(+) CN2502-8 LVDS DATA C(-) CN2502-9 LVDS DATA D(+) CN2502-2 LVDS DATA D(-) CN2502-3 11 16 15 20 19 LVDS CLOCK(+) CN2502-5 18 LVDS CLOCK(-) CN2502-6 17 LVDS SERIAL TO TTL PARALLEL CONVERTER PLL 30,32-35, 37-39 R DATA (8BIT) A8,A9,B8-B10, C8-C10 41-43,45-47, 49,50 G DATA (8BIT) A11-A13,B11-B13, C12,C13 1-3,5,51, 53-55 B DATA (8BIT) A15,A16,B15-B17, C15-C17 NON UNIFORMITY COLOR COMPENSATION GAMMA CORRECTION WHITE BALANCE CONTROL TIMING GENERATOR FOR PANEL DRIVE J1-J3,K1-K3,L1-L3,M1-M3, N1-N3,P1-P3,R2,R3 S/H CLOCK(R) R1 XFR(R) T3 STSQO(R) T1 DIRX(R) V5 H-SYNC 29 V-SYNC 27 26 A1 H-SYNC A2 V-SYNC E1 CLOCK(76 MHz) NRG C20 ENBY2(B) J19 ENBY1(B) J20 CLYOUT(B) H18 DYOUT(B) H19 DXOUT(G) Y16 CLXOUT(G) W16 ENBX1(G) Y20 IC2502 +5V 5 +3.3V REG. 4 13,23,31,40,48,56 VCC V6,V8-V12, W6-W12,Y6-Y12 S/H CLOCK(G) V13 XFR(G) W13 STSQO(G) V14 FRP(G) W14 DIRX(G) W20 +3.3V IC2501 1 +1.8V REG. 3 C5,C14,ETC VDD2(+3.3V) D7,D8,ETC VDD1(+1.8V) CORRECT ON(L) RESET(L) A6 CORRECT ON(L) E20 RESET(L) L18,M18-M20,N18-N20,P19,P20, R18-R20,T18-T20,U18-U20,V19,V20 S/H CLOCK(B) L19 XFR(B) L20 STSQO(B) K19 FRP(B) K20 56 TP2001 R DATA (20BIT) V-REF (+7V) V-REF (+9.3V) IC2003,IC2004 (SAMPLING HOLD) 70-79 CONTROL LOGIC & DAC LATCH 3 4 5 6 7 64 SCALE CONTROL 65 D/A COVERTER SERIAL I/F IC2007 (LEVEL SHIFTER) +15.5V +3.3V 48 RESET(L) 10 PLL 40 41 42 43 44 5 6 8 13,22,34 VDD 12,37,39 VDD LEVEL SHIFTER G DATA (20BIT) V-REF (+7V) V-REF (+9.3V) IC2002,IC2005 (SAMPLING HOLD) 70-79 CONTROL LOGIC & DAC LATCH 3 4 5 6 7 64 SCALE CONTROL 65 D/A COVERTER SERIAL I/F IC2008 (LEVEL SHIFTER) +15.5V +3.3V 48 RESET(L) 10 PLL 40 41 42 43 44 5 6 8 13,22,34 VDD 12,37,39 VDD LEVEL SHIFTER ON/OFF SW TP2004 (IC2004 PIN49 LINE) 49,51,53, 55,57,59 VCC 18,28,ETC VCC 80 +15.5V +3.3V D/A COVERTER ON/OFF SW 16 LCDCOM ON/OFF SW MONITOR 35 33 32 31 25 29 28 27 26 20 19 18 17 16 15 14 TP2002 TP2005 (IC2005 PIN49 LINE) 49,51,53, 55,57,59 VCC 18,28,ETC VCC 80 +15.5V +3.3V D/A COVERTER ON/OFF SW 16 LCDCOM MONITOR 35 33 32 31 25 29 28 27 26 20 19 18 17 16 15 14 TP2003 B DATA (20BIT) V-REF (+7V) V-REF (+9.3V) IC2001,IC2006 (SAMPLING HOLD) 70-79 CONTROL LOGIC & DAC LATCH 3 4 5 6 7 64 SCALE CONTROL 65 D/A COVERTER SERIAL I/F IC2009 (LEVEL SHIFTER) +15.5V +3.3V 48 RESET(L) 10 PLL 40 41 42 43 44 5 6 8 13,22,34 VDD 12,37,39 VDD LEVEL SHIFTER ON/OFF SW TP2006 (IC2006 PIN49 LINE) 49,51,53, 55,57,59 VCC 18,28,ETC VCC 80 +15.5V +3.3V D/A COVERTER ON/OFF SW 16 LCDCOM MONITOR 35 33 32 31 25 29 28 27 26 20 19 18 17 16 15 14 VIDEO SIGNAL +15.5V CN2001-1 CN2001-2 CN2001-3 CN2001-(4-15) CN2001-16 CN2001-17 CN2001-18 CN2001-19 CN2001-20 CN2001-21 CN2001-22 CN2001-23 CN2001-24 CN2001-25 CN2001-26 CN2001-27 CN2001-28 CN2001-29 CN2001-30 CN2001-31 CN2001-32 CN2001-33 CN2001-34 CN2001-35 CN2001-36 LCD(R) CN2002-1 CN2002-2 CN2002-3 CN2002-(4-15) CN2002-16 CN2002-17 CN2002-18 CN2002-19 CN2002-20 CN2002-21 CN2002-22 CN2002-23 CN2002-24 CN2002-25 CN2002-26 CN2002-27 CN2002-28 CN2002-29 CN2002-30 CN2002-31 CN2002-32 CN2002-33 CN2002-34 CN2002-35 CN2002-36 LCD(G) CN2003-1 CN2003-2 CN2003-3 CN2003-(4-15) CN2003-16 CN2003-17 CN2003-18 CN2003-19 CN2003-20 CN2003-21 CN2003-22 CN2003-23 CN2003-24 CN2003-25 CN2003-26 CN2003-27 CN2003-28 CN2003-29 CN2003-30 CN2003-31 CN2003-32 CN2003-33 CN2003-34 CN2003-35 CN2003-36 LCD(B) VIDEO SIGNAL PATH II BLOCK DIAGRAM PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16