Display Data - Yamaha BD-940 Service Manual

BD-940

■ DISPLAY DATA

● V600 : 13-ST-81GINK (MAIN P.C.B.)
● PIN CONNECTION
Pin No. 19 18
Connection NX NX
Pin No. 37 36
Connection VDD OSC
Pin No. 43 42
Connection F2 NP
Note: 1) F1, F2 ..... Filament
6) PGND ..... Power GND pin
10) DA ..... Serial data input
14) RESET ..... Reset input
● GRID ASSIGNMENT
1G
1-1 2-1 3-1 4-1
1-2 2-2 3-2 4-2
1-3 2-3 3-3 4-3
1-4 2-4 3-4 4-4
1-5 2-5 3-5 4-5
1-6 2-6 3-6 4-6
1-7 2-7 3-7 4-7
1G to 12G
32
43
17 16 15 14 13 12
NX NX NX NX NX NX
35 34 33 32 31
RESET CS CP DA TSA
41 40 39 38
NP LGND PGND VH
2) NP ..... No pin 3) NX ..... No extended pin
7) VH ..... High voltage supply pin
11) TSA, B ..... Test pin 12) CS ..... Chip select input pin
16) Q13G ..... Driver output port
2G 3G 4G 5G
● ANODE CONNECTION
5-1
1G to 12G
5-2
D0 1-1
5-3
D1 2-1
D2 3-1
5-4
D3 4-1
D4 5-1
5-5
D5 1-2
5-6
D6 2-2
D7 3-2
5-7
D8 4-2
D9 5-2
D10 1-3
D11 2-3
D12 3-3
D13 4-3
D14 5-3
11 10 9 8 7
NX NX NX NX NX
30 29 28 27 26 25
TSB NX NX NX NX NX
4) DL ..... Datum line 5) LGND ..... Logic GND pin
8) VDD ..... Logic voltage supply pin
13) OSC ..... Pin for self-oscillation
17) 13G ..... Grid
13G
6G 7G 8G
13G 1G to 12G
D15 1-4
D16 2-4
D17 3-4
D18 4-4
D19 5-4
D20 1-5
D21 2-5
D22 3-5
D23 4-5
D24 5-5
D25 1-6
D26 2-6
D27 3-6
D28 4-6
D29 5-6
1
6 5 4 3 2
NX 13G Q13G NP NP F1
24 23 22 21 20
NX NX NX NX NX
9) CP ..... Shift register clock
9G 10G 11G 12G
13G 1G to 12G
D30 1-7
D31 2-7
– D32 3-7
– D33 4-7
– D34 5-7
–
–
–
–
–
–
–
–
–
–
1
13G
–
–
–
–
–