Hitachi 51F510 DP43, Service Manual

Page: 90 / 181

90
DP43
Signal PWB (2/5)
Transistors IC's
Circuit Pin Voltage Circuit Pin Voltage Circuit Pin Voltage Circuit Pin Voltage
No. No. DC No. No. DC No. No. DC No. No. DC
E 0.0 1 4.6 11 NC 36 0.0
Q401 B 0.7 2 4.6 12 NC 37 NC
C 0.1 3 4.6 13 4.6 38 0.0
E 0.0 4 4.6 14 4.6 39 5.5
Q402 B 0.0 I401 5 4.6 15 4.6 40 0.0
C 3.1 6 4.6 16 4.6 41 5.5
E 4.5 7 4.6 17 4.6 42 0.0
Q403 B 3.8 8 4.6 18 4.6 43 5.5
C 0.0 9 4.6 19 4.6 44 0.0
E 1.9 10 4.6 20 0.0 45 5.0
Q404 B 1.4 21 0.0 46 5.0
C 1.9 I401 22 5.0 47 9.1
E 4.5 23 5.0 48 NC
Q405 B 3.8 24 0.0 49 NC
C 0.0 25 4.5 50 3.8
E 3.2 26 4.5 51 3.8
Q406 B 2.7 27 4.5 I402 52 3.8
C 0.0 28 4.5 53 9.1
E 0.0 29 4.5 54 3.8
Q407 B 3.8 30 4.5 55 3.8
C 4.5 31 9.1 56 3.8
E 4.5 32 9.1 57 9.1
Q408 B 3.9 33 4.6 58 3.8
C 0.0 34 4.6 59 3.8
E 0.0 35 4.6 60 3.8
Q409 B 0.0 36 4.6 61 NC
C 0.0 1 5.5 62 0.0
E 0.0 2 9.1 63 NC
Q411 B 0.0 3 5.5 64 NC
C 0 4 0.0 65 5.5
E 0.0 5 5.5 66 0.0
Q416 B 0.1 6 0.0 67 5.5
C 2.5 7 5.5 68 0.0
E 0.0 8 9.1 69 5.5
Q417 B 0.0 9 5.5 70 9.1
C 0.1 10 0.0 71 5.5
E 3.9 11 5.5 72 3.5
Q418 B 4.5 12 0.0 73 5.5
C 9.1 13 5.5 74 0.0
E 3.9 14 0.0 75 5.5
Q419 B 4.6 15 5.5 76 9.1
C 9.1 16 4.0 77 5.5
E 4.5 I402 17 5.5 78 NC
Q423 B 3.9 18 0.0 79 5.5
C 0.0 19 5.5 80 0.0
E 6.0 20 0.0 1 0.0
Q424 B 0.0 21 5.5 2 3.2
C 9.1 22 0.0 I403 3 9.1
E 6.0 23 5.5 4 8.9
Q425 B 6.7 24 0.0 5 10.7
C 9.1 25 5.5 1 10.5
E 0.0 26 0.0 2 3.3
Q427 B 6.7 27 5.5 I404 3 0.0
C 9.1 28 0.0 4 3.2
29 5.5 5 2.4
30 0 1 10.2
31 5.5 2 10.7
32 0.0 I406 3 0.0
33 NC 4 9.0
34 0.0 5 9.0
35 NC
Signal PWB (2/5)
Transistors IC's
Circuit Pin Voltage Circuit Pin Voltage Circuit Pin Voltage Circuit Pin Voltage
No. No. DC No. No. DC No. No. DC No. No. DC
E 0.0 1 4.6 11 NC 36 0.0
Q401 B 0.7 2 4.6 12 NC 37 NC
C 0.1 3 4.6 13 4.6 38 0.0
E 0.0 4 4.6 14 4.6 39 5.5
Q402 B 0.0 I401 5 4.6 15 4.6 40 0.0
C 3.1 6 4.6 16 4.6 41 5.5
E 4.5 7 4.6 17 4.6 42 0.0
Q403 B 3.8 8 4.6 18 4.6 43 5.5
C 0.0 9 4.6 19 4.6 44 0.0
E 1.9 10 4.6 20 0.0 45 5.0
Q404 B 1.4 21 0.0 46 5.0
C 1.9 I401 22 5.0 47 9.1
E 4.5 23 5.0 48 NC
Q405 B 3.8 24 0.0 49 NC
C 0.0 25 4.5 50 3.8
E 3.2 26 4.5 51 3.8
Q406 B 2.7 27 4.5 I402 52 3.8
C 0.0 28 4.5 53 9.1
E 0.0 29 4.5 54 3.8
Q407 B 3.8 30 4.5 55 3.8
C 4.5 31 9.1 56 3.8
E 4.5 32 9.1 57 9.1
Q408 B 3.9 33 4.6 58 3.8
C 0.0 34 4.6 59 3.8
E 0.0 35 4.6 60 3.8
Q409 B 0.0 36 4.6 61 NC
C 0.0 1 5.5 62 0.0
E 0.0 2 9.1 63 NC
Q411 B 0.0 3 5.5 64 NC
C 0 4 0.0 65 5.5
E 0.0 5 5.5 66 0.0
Q416 B 0.1 6 0.0 67 5.5
C 2.5 7 5.5 68 0.0
E 0.0 8 9.1 69 5.5
Q417 B 0.0 9 5.5 70 9.1
C 0.1 10 0.0 71 5.5
E 3.9 11 5.5 72 3.5
Q418 B 4.5 12 0.0 73 5.5
C 9.1 13 5.5 74 0.0
E 3.9 14 0.0 75 5.5
Q419 B 4.6 15 5.5 76 9.1
C 9.1 16 4.0 77 5.5
E 4.5 I402 17 5.5 78 NC
Q423 B 3.9 18 0.0 79 5.5
C 0.0 19 5.5 80 0.0
E 6.0 20 0.0 1 0.0
Q424 B 0.0 21 5.5 2 3.2
C 9.1 22 0.0 I403 3 9.1
E 6.0 23 5.5 4 8.9
Q425 B 6.7 24 0.0 5 10.7
C 9.1 25 5.5 1 10.5
E 0.0 26 0.0 2 3.3
Q427 B 6.7 27 5.5 I404 3 0.0
C 9.1 28 0.0 4 3.2
29 5.5 5 2.4
30 0 1 10.2
31 5.5 2 10.7
32 0.0 I406 3 0.0
33 NC 4 9.0
34 0.0 5 9.0
35 NC
DC VOLTAGES
Transistors (Continued)