21
TK-6110
DESCRIPTION OF COMPONENTS
Ref. No.
Use/Function
Operation/Condition
Q701
DC switch
On when AUX
Q702
DC switch
On when horn alert
Q703
Internal MIC switch
MC1 “L” : Mute, “H” : Unmute
Q704
DC switch
MC1 “L” : Mute, “H” : Unmute
Q705
External MIC switch
MC2 “L” : Mute, “H” : Unmute
Q706
DC switch
MC2 “L” : Mute, “H” : Unmute
Q707
DC switch
Q708
MIC mute switch
MM “L” : Mute, “H” : Unmute
Q709
DC switch
D1
Reflected wave rectification
D3
Forward wave rectification
D4
Surge absorption
D5
Protector
D101
Protection of reverse
connection
D102
Surge absorption
D103
Voltage reference
Voltage protection
D104
DC switch
D105
Voltage reference
Voltage protection
D106
DC switch
D107
Surge absorption
D108
DC switch
D109
Voltage reference
Protection of high voltage
D202~205
B.P.F. tuning
Vari-cap tuning
D206
Noise detector
D207
DC switch
On when TX
D208
Voltage reference
Voltage protection
D401
DC switch
D501~504
RF switch
TX/RX
D701~710
Surge absorption
D711
Voltage clamp
Display Unit (X57-6100-XX) (B/3)
-10 : K
-11 : K2
Ref. No.
Use/Function
Operation/Condition
IC901
Shift register
Output expander
IC902
LCD driver
Q901
Current driver,
TXLED “L” : On, “H” : Off
TX LED switch
Q902
Current driver,
RXLED “L” : On, “H” : Off
RX LED switch
Q903
LCD back light switch
BLC “L” : Off, “H” : On
Q904
LCD back light switch
BLC “L” : Off, “H” : On
Q905
KEY back light switch
BLC “L” : Off, “H” : On
D901
LED for TX,
RX LED light
D902~907
LED for LCD back light
D908~911
LED for KEY back light
D912~915
Protection of reverse current
D916
Speed up