Fdp Grid Assignment And Anode Connection; Waveforms - JVC HR-J580EK Service Manual

4.11 FDP GRID ASSIGNMENT AND ANODE CONNECTION

GRID ASSIGNMENT
DIGIT 2 DIGIT 3 DIGIT 4
DIGIT 1
K6
A A A
K3
B B F B
B F I F
K5
G G G
K2 J
C E C E C E C
K4
K1
D D D
ANODE CONNECTION
No. CONNECTION
1 CATHODE 2G, 3G, 4G, I, J
2 CATHODE 2F, 3F, 4F, K6
3 CATHODE 2E, 3E,4E, K1
4 CATHODE 2D, 3D, 4D, K4
5 CATHODE 1C, 2C, 3C, 4C, K5
6 CATHODE 1B, 2B, 3B, 4B, K2
7 CATHODE 2A, 3A, 4A, K3
8 COMMON ANODE K3, K2, K5, K4, K1, K6, I, J
9 COMMON ANODE DIGIT4
10 COMMON ANODE DIGIT3
11 COMMON ANODE DIGIT2
12 COMMON ANODE DIGIT1
GRID ASSIGNMENT
DIGIT 1 DIGIT 2 DIGIT 3 DIGIT 4
A A A A
K6
K3
F B F B F B F B
I
K5
G G G G
K2 J
K4
E C E C E C E C
K1
D D D D
ANODE CONNECTION
No. CONNECTION
1 CATHODE 1G, 2G, 3G, 4G, I, J
2 CATHODE 1F, 2F, 3F, 4F, K6
3 CATHODE 1E, 2E, 3E,4E, K1
4 CATHODE 1D, 2D, 3D, 4D, K4
5 CATHODE 1C, 2C, 3C, 4C, K5
6 CATHODE 1B, 2B, 3B, 4B, K2
7 CATHODE 1A, 2A, 3A, 4A, K3
8 COMMON ANODE K3, K2, K5, K4, K1, K6, I, J
9 COMMON ANODE DIGIT4
10 COMMON ANODE DIGIT3
11 COMMON ANODE DIGIT2
12 COMMON ANODE DIGIT1

4.12 WAVEFORMS

< SYSCON >
CN3003-2 CN3001-4
WF1 CAP_FG WF2 D.PG
REC/PB 2.2 Vp-p REC/PB 4.6 Vp-p
0.2 V/10 msec/DIV
50 mV/0.5 msec/DIV
< VIDEO >
WF1 IC1-27 WF2 IC1-30
REC/PB 2.2 Vp-p PB 0.6 Vp-p
20 mV/20 µsec/DIV
50 mV/20 µsec/DIV
WF7 IC1-13 WF8 IC1-11
REC/PB 0.48 Vp-p REC/PB 0.48 Vp-p
10 mV/20 µsec/DIV
10 mV/20 µsec/DIV
< AUDIO >
WF1 IC1-80 WF2 IC1-62
REC 0.2 Vp-p REC/PB 0.9 Vp-p
5 mV/0.5 msec/DIV 20 mV/0.5 msec/DIV
4-23 4-24
CN3001-5 TP4001 IC3001-1
WF3 D.FG WF4 CTL. P WF5 CTL(+)
REC/PB 4.5 Vp-p PB 2.4 Vp-p REC 3.6 Vp-p
0.1 V/5 msec/DIV 50 mV/10 msec/DIV 0.1 V/10 msec/DIV
TP106
WF3 PB.FM WF4 IC1-1 WF5
PB 0.5 Vp-p PB 0.5 Vp-p REC/PB 3.5 Vp-p
0.1 V/10 msec/DIV
20 mV/2 msec/DIV 20 mV/5 msec/DIV
IC201-19
IC201-21
WF9 IC1-22 WF10 CV_IN WF11 CVOUT
REC 0.96 Vp-p REC/PB 2.1 Vp-p REC/PB 2.1 Vp-p
50 mV/20 µsec/DIV
20 mV/20 µsec/DIV 50 mV/20 µsec/DIV
WF3 IC1-52 WF4 IC1-48 WF5
REC 0.11 Vp-p PB 0.5 Vp-p REC 1.1 Vp-p
2 mV/0.5 msec/DIV 10 mV/0.5 msec/DIV 50 mV/0.5 msec/DIV
IC3001-98
WF6 C.SYNC
REC/PB 4.2 Vp-p
0.1 V/20 µsec/DIV
TP111
D.FF
WF6 IC1-105
REC 1.4 Vp-p
50 mV/1 msec/DIV
TP2253
WF6 A.PB.FM
IC1-97
PB 0.44 Vp-p
20 mV/5 msec/DIV