EFJohnson 764X Speaker User Manual


 
8-8
November 1998
Part No. 001-7600-001
C194
R65
R113
R112
Q17
R66
R69
C92
C91
MP10
D28
D16
J6
W6
W6
RED
BLK
C196
R173
C195
C84
Q18
Q14
IC3
C81
IO
C79
C101
L17
C304
L19
R70
C100
C80
C74
IC2
IC9
C76
C70
Q12
Q13
DET
W12
CPU5
C298
R58
C77
R8
T8
TMUT
C78
C67
C68
C325
C326
C327
8V
C328
C206
C238
C75
C71
J2
C281
5V
R206
R205
R204
C232
IC13
D25
D24
Q37
C212
TXC
EXTM
J5
1
11
1
C289
C207
C234
C235
C236
R208
C287
Q39
Q38
C288
J4
1
J3
1
R223
R232
C334
C335
C177
C239
C279
R236
R245
R237
R246
R238
R247
R239
R248
C274
C264
C273
C263
C272
C262
C271
R251
R267
R186
C333
C225
R198
Q36
IC11
R258
C332
C331
C349
Q40
R155
R153
R265
+
C176
R107
R108
R96
R97
Q22
C134
R109
C133
R146
R148
R148
C211
R111
R110
X2
C209
C213
R191
R187
R188
R189
R190
CP1
C199
C198
L26
L23
MP1, 2
W11
W10
C342
R9
R8
C97
C286
L1
L16
D3
L6
C93
C13
L3
L2
C329
Q44
Q45
C330
C314
C315
L4
C17
D4
L5
C18
D5
D6
L7
L8
C309
C310
C348
L9
R17 C317
L10
C313
R20
C311
L11
C167
C141
R115
R116
C142
Q23
C143
R117
C144
C346
R140
C145
R135
R134
C161
R139
R138
C165
L31
C164
C162
L30
Q30
R136
C163
R123
C150
C151
R125
R124
W9
Q25
C152
C153
C154
C312
L14
C45
C44
L13
R32
C303
FI1
FI2
FI3IC6
R95 R96
R94
C126
C127
R99
C129
R100
C128
R147
C130
R101
X1
R47
R45
R44
C61
C63
C58
R48
+
C57
C62
R46
R40
C56
R41
C52
IC1
C51
C50
R36
C49
L15
FI1
C282
C295
C242
C241
C178
R213
R214
R215
R218
R217
R216
J6
1
J2 (To Spkr)
J5 (To Opt Cable)
15
16
30
2
39
40
2 - Gnd
1 - HV
1 - 8V
3 - CPU5V
5 - GND
7 - OPINT
9 - OPCS
11 - BUSY
13 - BEEPOUT
15 - TONE
17 - BEEP
19 - DTCS
21 - RFATT
23 - NOIS
25 - UNLK
27 - EXEN
29 - EXST
31 - DAST
33 - PLST
35 - VIN
37 - TEMP
39 - MIC
11 - PTT
10 - GND
9 - IN
8 - GND
7 - DISC
6 - GND
5 - AFO
4 - GND
3 - HORN
2 - DIM
1 - HV
2- 5V
4 - AFO
6 - SI
8 - OPT3
10 - OPT2
12 - OPT1
14 - OPV3
16 - OPV2
18 - OVP1
20 - PTT
22 - PTTIN
24 - DET
26 - PWON
28 - EXPTT
30 - DIMIN
32 - SO
34 - SCK
36 - SO
38 - LVIN
40 - GND
J3 (To Front Unit)
30 - GND
29 - 5V
28 - HV
27 - MICMUTE
26 - AFONOP
25 - BEEPOUT
24 - RXMUTE
23 - DET
22 - AFOUT
21 - NC
20 - OPCS
19 - OPINT
18 - SO
17 - SI
16 - SCK
1 - PTTIN
2 - PTTOUT
3 - MICOUT
4 - NC
5 - BUSY
6 - NC
7 - NC
8 - SIGOUT
9 - OPT1
10 - OPT2
11 - OPT3
12 - GND
13 - OPV3
14 - OPV2
15 - OPV1
J4 (To Optional Unit)
2 - SPGND
1 - SP
EP12
W6
VCC
GND
IC5
MP8
W8
C95
EP2
EP2
C99
C98
+
C337
EP2
C96
C285
C94
W2
ANTENNA JACK
UHF (7640) MAIN BOARD TOP VIEW