Valcom V-119RTHF Instruction Manual page 9

A GROUND
A BATTERY
TIP
RING
B GROUND
B BATTERY
LAMP SUPPLY
LAMP
PAGE CONTROL
BATTERY
FEED
VOICE ANNOUNCE
OR
HANDSFREE CIRCUIT
POWER
SUPPLY
K8
K8
MICROPROCESSOR
TONE DECODER
K7
K6
SIMPLIFIED SCHEMATIC DIAGRAM
9
SW1
SW2
K1
K2
K8
K3
K4
K5
K3
K4
K5
947120M
S1
K1
S2
S8
K1
S9
S20
K2
S21
S28
K2
S29
R0
R1
R3
R29