Text preview for : s_c2_2_42.pdf part of PANASONIC TH37PV70E SERVICE MANUAL



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UMH

NUEL

C2_5V

DM 1 NC VDD2 3 4 5 VDD2 VDD2 NC GND 7 8 9 10 R7275 11 12 LE_C2 LEN 13 AA_DDC2 A6 14 AA_DDB2 A5 15 AA_DDA2 A4 16 AA_DDC3 A3 17 AA_DDB3 A2 18 AA_DDA3 A1 19 PC4_C2 BLK 20 CLR_C2 CLR 21 CLKU_2P7 FX FDET VDD1 ODE_C2 ODE 25 26 27 28 29 GND GND GND GND NC VDD2 31 R7235 6.8 C7221 100V 0.47u 78V 32 33 R7234 6.8 34 R7233 6.8 78V 35 36 37 VDD2 VDD2 NC VDD2 VDD2 VDD2 NC GND 39 40 41 42 43 44 45 AA_DDC0 A6 46 AA_DDB0 A5 47 AA_DDA0 A4 A3 A2 A1 BLK CLR FX FDET1 VDD1 ODE GND GND GND GND NC VDD2 VDD2 VDD2 NC NC DM 48 AA_DDC1 49 AA_DDB1 50 AA_DDA1 51 PC4_C2 52 CLR_C2 53 CLKU_3N8 54 55 56 ODE_C2 57 58 59 60 61 ODE GND GND GND GND NC VDD2 63 64 65 VDD2 VDD2 NC NC 67 TERM 68 DM 57 58 FX FDET1 VDD1 54 C7214 16V 1u 55 56 ODE_C2 CLR 53 CLKU_3N7 BLK 52 CLR_C2 A1 51 PC4_C2 A2 50 AA_DDA3 A3 49 AA_DDB3 A4 48 AA_DDC3 A5 47 AA_DDA2 A6 46 AA_DDB2 GND GND GND FS VDD1 LEN ODE GND GND GND GND NC VDD2 VDD2 VDD2 NC VDD2 VDD2 VDD2 NC GND GND GND GND FS VDD1 LE_C2 LEN 45 AA_DDC2 25 26 27 28 29 22 C7217 50V 100p 23 24 ODE_C2 CLKU_2P8 FX 22 C7220 50V 100p 23 24 FDET VDD1 CLR_C2 CLR 21 PC4_C2 BLK 20 AA_DDA1 A1 19 AA_DDB1 A2 18 AA_DDC1 A3 17 AA_DDA0 A4 16 AA_DDB0 A5 15 AA_DDC0 A6 14 GND GND GND FS VDD1 LE_C2 LEN 13 DM 1 NC VDD2 3 4 5 VDD2

R7289 EXB38V222JV

TERM

10
VDD2 NC GND 7 8 9 10 11 12 GND GND GND FS VDD1 C7219 16V 1u C7216 16V 1u EXB38V471JV R7278 EXB38V471JV

SIDE

SIDE

TH-42PV70F/P, TH-42PX70B/E C2-Board (2 of 2) Schematic Diagram
6 5 4 3 2 1

8 9
CB8
C2_5V 9 8 10 A8 A7 GND Y8 Y7 Y6 Y5 11 12 13

CB7

TO PANEL DATA DRIVER
7 A6 14

TO PANEL DATA DRIVER

USL 6 A5 Y4 15 Y3 16

IC7204
C0JBAZ002692 BUFFER
Vcc Y2 Y1 G2

UEH

USH 5 A4 4 A3 17

UML 3 A2 18

R7288 EXB38V222JV

2 A1 19

1 G1 20 C2_5V

11
D7205 B0HCMM000014 VDA_75V 31 32 33 34 35 36 R7232 6.8 C7233 100V 0.47u 37

C7245 16V 0.1u

R7291 EXB38V470JV BA_USL BA_NUEL BA_UML BA_UEH BA_USH

R7290 EXB38V470JV BA_UMH

D7203 B0HCMM000014

R7226 6.8

C7218 100V 0.47u

78V 78V

R7225 6.8 R7224 6.8 R7223 6.8

VDA_75V C7232 100V 0.47u

12
R7279 EXB38V471JV

39 40 41 42 43 44

D7206 B0HCMM000014

D7204 B0HCMM000014

C2_5V

R7229 0

TO SS-BOARD (SS23)

R7274 EXB38V471JV LE_C2

C23
5V NUEL UEH USL USH UML UMH SOS8_SS GND NC C7207 16V 1u Vda75V Vda75V 1 2 3 4 5 6 7 8 9 10 11 12

BA_NUEL BA_UEH BA_USL BA_USH BA_UML BA_UMH SOS8_SS

13 14
TH-42PV70F/P, TH-42PX70B/E C2-Board (2 of 2) Schematic Diagram

R7219 220k

C7230 100V 0.47u

59

!

60 61

VDA_75V

63 64 65

C2-BOARD TNPA4166AB (2/2)

R7269 4.7k

67 68

15