Clear-Com FOR-22 - Manual (Page 19)

Vitec Group Communications
FOR-22 Dual 4-Wire Interface Instruction Manual 3 - 3
SCHEMATIC FOR FOR-22 MODULE PCB
Figure 3-2: Schematic for FOR-22 Main Board PCB (Part No. 710572)
+
TO MATRIX
FROM
IFB
CALL RECEIVE
4-50VDC EITHER POLARITY 4-8mA
IFB MIC LINE
SEND
MATRIX
CALL
CALL RECEIVE
CW
MIC
CW
LINE
CCW
MATRIX
4-50VDC EITHER POLARITY
TO
FOR CALL LOGIC RECEIVE
FOR CALL LOGIC RECEIVE
+
4-8mA
CCW
RECEIVE
MATRIX
CW
RECEIVE
CCW
* R113 NOT LOADED
TO
MATRIX
SEND
FROM
CCW CW
*R213 NOT LOADED
CHANNEL A CHANNEL B
CHANNEL A CHANNEL B
TO LEVEL DETECT PCB
SEND
SEND CALL CH. A CH. B
CH. A
CH. B TO MATRIX
-8V
+8 V
+8 V
-8V
+8 V
-8V
+8 V -8V
+8 V -8V -8V +8 V
-8V +8 V
+8 V -8V
-8V +8V
T10
2
AUDIO 10K : 10K 1
6 5
3
4
2
JP100 LEVEL SELECT JUMPER 1 3 5
2 4 6
+ + +
+ + +
C111 .1 uF
1 2
Q104 MMBT
A 5 6
R132 10.0K
1
2
R212
0
1 2
R109 221 1 2
C219 33 pF 1
2
R111 0
1 2
R112
0
1 2
C205 33 pF 1
2
R113 *
1 2
R121 4.75K
1
2
R124 4.75K
1 2
C215
33 pF
1
2
R117 10.0K
1
2
R115 100
1
2
+ -
IC104B LM83
3
5 6
7
D103 BAW56
1
2
3
P102 50K 1 3
2
R221 4.75K
1
2
R204 27.4K
1
2
C102 .22 uF 1
2
D203 BAW56
1
2
3
Q204 MMBT
A 5 6
IC203 MOC211 1 2
5 6
7
R213 *
1 2
C117 .1 uF
1 2
C113 22uF 35V
1 2
+ -
IC101A LM83
3
3 2
1
8 4
R106 10.0K 1
2
C110 33 pF 1
2
R118 56.2 1
2
R125 82.5 1 2
D102 BAV99
1 2
3
C207 33 pF 1
2
C101 .22 uF 1
2
R101 27.4K
1
2
.. T20
1
AUDIO 600 : 600 2
11
5
8
C218 .1 uF 1
2
+ -
IC101B LM83
3
5 6
7
C211 .1 uF
1 2
R208 2.74K 1 2
Q201 MMBT22
2 2 A
3
1
2
D201
BAV70
1
2
3
JP200 LEVEL SELECT JUMPER 1 3 5
2 4 6
+ + +
+ + +
R203 27.4K 1 2
R224 4.75K
1 2
C107 33 pF 1
2
R228 47.5K 1 2
LED101 AMBER
2 1
R215 100
1
2
R220 4.75K
1
2
+ -
IC201A LM83
3
3 2
1
8 4
R229 150
1
2
RL101
1
4 3
2 5
.. T10
1
AUDIO 600 : 600 2
11
5
8
C202 .22 uF 1
2
R211 0
1 2
D2 GF1A
2 1
R103 27.4K 1 2
+ -
IC102A LM833 SOIC
3 2
1
8 4
C209 .22 uF
1 2
R110 10.0 1 2
R102 27.4K 1
2
Q202 MMBT
5 5 5 1
3
1
2
R120 4.75K
1
2
R205 10.0K
1
2
R219 56.2 1
2
R227 10.0K 1 2
+ -
IC202B LM8
3 3
5 6
7
R209 221 1 2
D104 BAW56
1
2
3
J1
EURO 64 M
1A 1C 2A 2C 3A 3C 4A 4C 5A 5C 6A 6C 7A 7C 8A 8C 9A 9C 10A 10C 11A 11C 12A 12C 13A 13C 14A 14C 15A 15C 16A 16C 17A 17C 18A 18C 19A 19C 20A 20C 21A 21C 22A 22C 23A 23C 24A 24C 25A 25C 26A 26C 27A 27C 28A 28C 29A 30A 30C 31A 31C 32A 32C 29C
R104 27.4K
1
2
R225 82.5 1 2
R105 10.0K
1
2
R126 10.0K 1 2
+ -
IC204B LM83
3
5 6
7
C204 .1 uF
1 2
J2 1 3 5 7 9 11 13
2 4 6 8 10 12 14
+ + + + + + +
+ + + + + + +
Q101 MMBT22
2 2 A
3
1
2
+ -
IC201B LM83
3
5 6
7
R231 10.0K
1
2
C106 .1 uF
1 2
C214 .1 uF
1 2
Q102 MMBT
5 5 5 1
3
1
2
P202 50K 1 3
2
C217 .1 uF
1 2
C203 33 pF 1 2
R226 10.0K 1 2
Q103 MMBT22
2 2 A
3
1
2
C104 .1 uF
1 2
R130 1.00k 1 2
R201 27.4K
1
2
D101
BAV 70
1
2
3
R202 27.4K 1
2
C112 22uF 35V
1 2
D202 BAV99
1 2
3
C118 .1 uF 1
2
RL201
1
4 3
2 5
R131 10.0K 1
2
R123 10.0
1
2
T20
2
AUDIO 10K : 10K 1
6 5
3
4
2
+ -
IC202A LM83
3
3 2
1
8 4
R108 2.74K 1 2
C103 33 pF 1 2
+ -
IC204A LM83
3
3 2
1
8 4
+ -
IC102B LM8
3 3
5 6
7
R128 47.5K 1 2
LED201 AMBER
2 1
R232 10.0K
1
2
C210 33 pF 1
2
IC103 MOC211 1 2
5 6
7
R230 1.00k 1 2
C115
33 pF
1
2
R129 150
1
2
Q203 MMBT22
2 2 A
3
1
2
R218 56.2 1
2
C119 33 pF 1
2
R122 10.0
1
2
R114 10.0K 1
2
R116 10.0K
1 2
R206 10.0K 1
2
R127 10.0K 1 2
C206 .1 uF
1 2
+ -
IC104A LM83
3
3 2
1
8 4
D1 GF1A
2 1
P101 50K 1 3
2
C105 33 pF 1
2
R217 10.0K
1
2
R214 10.0K 1
2
C201 .22 uF 1
2
C114 .1 uF
1 2
D204 BAW56
1
2
3
R119 56.2 1
2
C109 .22 uF
1 2
P201 50K 1 3
2
R210 10.0 1 2
R216 10.0K
1 2