TRUTH TABLES
INPUT STATES
“ON” CHANNEL(S)
INHIBIT
C
B
A
CD4051B
0
0
0
0
0
0
0
0
1
1
0
0
1
0
2
0
0
1
1
3
0
1
0
0
4
0
1
0
1
5
0
1
1
0
6
0
1
1
1
7
1
X
X
X
None
CD4052B
INHIBIT
B
A
0
0
0
0x, 0y
0
0
1
1x, 1y
0
1
0
2x, 2y
0
1
1
3x, 3y
1
X
X
None
CD4053B
INHIBIT
A OR B OR C
0
0
ax or bx or cx
0
1
ay or by or cy
1
X
None
X = Don’t Care
CD4051B, CD4052B, CD4053B
25
Summary of Contents for DT9904S
Page 1: ...SERVICE MANUAL DT9904S...
Page 4: ...3 7 9 2...
Page 12: ...7 MPEG BOARD CHECK WAVEFORM 7 1 27MHz WAVEFORM DIAGRAM 7 2 IC5L0380R PIN 2 WAVEFORM DIAGRAM 10...
Page 29: ...FRONT SCHEMATIC DIAGRAM 27...
Page 31: ...POWER BOARD SCHEMATIC DIAGRAM 29...
Page 33: ...OK SCHEMATIC DIAGRAM 31...
Page 35: ...OUTPUT BOARD SCHEMATIC DIAGRAM 33...
Page 40: ...MIAN SCHEMATIC DIAGRAM 38...
Page 47: ...11 APPENDIX AM FM Tuner Specificadtion 45...
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