RFL 9785 - Figure 20-2. Schematic, RFL 9785 Tx;Rx Motherboard (Dwg. No. D-106549-2-A)

Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
9785 RFL Electronics Inc.
ember 1, 2006 20-3 (20-4 Bl
ank) (973) 334-3100
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1 345678
AC
J2
AC
J1
J5
J17
J16
AC
J10
AC
J9
AC
J8
AC
J7
AC
J6
AC
J4
AC
J3
J18
C1
C2
C3
J18
C11
C7 C9C8C6C5C4
C12
J14
C10
J13
C13
J12
J15
+15V
-15V
+5V
+15V+15V+5V+5V
-15V
+15V
-15V
+5V
-15V
SPAREOUT_2
SPAREOUT_2
SPAREOUT_1
SPAREOUT_1
SPAREOUT_1
VOICE
VOICE
BLK_OUT_RLY3
48/125/250V
SPARE_2
SPARE_1
48/125/250V_RET
VOICE_OUT VOICE_OUT
INPUT_LO
PS2FAIL
PS2FAIL
PS2FAIL
SIGCOMPOUT
SIGCOMPOUTCKB_ALM
CKB_ALM
CKB_ALM
TXFAIL TXFAIL
TX_FAIL
STOP
STOP
STOP
START
START
RESERVE_IN
RESERVE_IN
PWR_FAIL
PWR_FAIL
PWR_FAIL
PWR_FAIL
OSC2/1
OSC3
PWR_B
PWR_A
CBTIP
CBTIP
REC_BLOCK
REC_BLOCK
BLOCK_1
BLOCK_1
BLOCK_2
BLOCK_2
STOP_2
STOP_2
STOP_2
VOICE_HI
VOICE_HI
VOICE_LO
VOICE_LO
VOICE_MUTE
VOICE_MUTE
CHKBCKLEV
CHKBCKLEV
CHKBK
CHKBK
BLKOUT
BLKOUT
BLKOUT
PLUG_SENSE_RLY
MIKE_IN
ANALOG_COM
CAR_EN
CAR_EN
RECD_CALL
RECD_CALL
RETURN_12V
OPTO_CATH
BLK_OUT_RLY2
BLK_OUT_RLY2
+12V_RELAY
+12V_RELAY
VOICE_EN
VOICE_EN
UTIL_OUT
PA_IN_HI
PA_ALM_HI
PA_ALM_HI
START_OUT
STOP_OUT
VOICE_REQ
INPUT_HI
RESERVE
RESERVE
PWR_ALARM
PWR_ALARM
DIRECT_IN
START_2
START_2
START_2
RMT_INIT
RMT_INIT
CHASSIS
PLUG_SENSE_DRVR
EAR_PHONE
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ABC
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999
888
777
666
555
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CBA
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1818
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15 15
1414
1313
1212
1111
1010
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29 29
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30 30
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15 15
1414
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1111
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30 30
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28 28
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15 15
1414
1313
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1111
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30 30
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1919
1818
1717
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15 15
1414
1313
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1111
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30 30
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30 30
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.1uF
.1uF
.1uF
470uF
25V
470uF
25V
470uF
25V
470uF
25V
1000uF
10V
1000uF
10V
1000uF
10V
470uF
25V
470uF
25V
.1uF
9785 AM LOGIC
J5-C26
SS INPUT
OR
SPARE DUAL
THRU C21
N/C
N/A
N/A
J1-A12
J5-C31,J10-A26
J5-B31
J9-A18
J9-A18 J5-A31
J8-A26
N/A
FLT_OUT
J2-AC13
SPAREIN-2
SPAREOUT_3
PA_OUT
J5-C16
J2-AC13
J10-C28
AGND
EXPANSION
POWER
J8-A21,J9-A19,J10-A23
J11
J6-A14
J8-C14
+12V_RELAY
J5-C14
J10-A27
J5-A17
J5-C19
J9-C19,J10-A25
J5-A19
J5-A19
J9-A20,J10-A28
J5-C20
J9-A23
J5-C22
J5-C22
J5-B21
J9-A21,J10-A21
J9-A26,J10-A22
J9-A17
J5-B22
J8-A23
J5-C23
J9-A24
J5-A22
J9-A25
J5-C25
J8-C15
J5-B25
J9-C17
J5-A25
J9-C18
J5-C27
J8-A15
J5-A27
J8-A16
J8-A17
J4-C22
J5-C15
J4-C20
J6-A15
J4-A19
J5-A15
J4-C23
J5-B24
J5-A24
CHECKBACK
9785
+CALL_BTN
AUX_AUDIO_IN
AUX_AUDIO_OUT
CNTRL_CKT
AGC_KAMP_24KHZ
HANDSET_COM
MIC_INP
SIG_ENV
PS I/O
RELAY ALARM I/O
S.S. INPUT
9785 SOE 9785 VOICE9785 DOWNSHIFT9785 RX DET
OUT_LO
INT/OUT_HI
GUARDGUARD
RELAY_RETRELAY_RET
+12V_RELAY+12V_RELAY
GUARDGUARD
-15V-15V
+15V+15V
A_GNDA_GND
+5V+5V
+5V+5V
D_GNDD_GND
D_GNDD_GND
RELAY I/O
S.S. I/OS.O.E. I/O
POWER AMP
TRANSMITTER FILTER
97 OUTPUT
P/S #2 P/S #1
Fi
gure 20-2. Schematic, RFL 9785 Tx/Rx Motherboard (Dwg. No. D-106549-2-A)
RFL
Sept