Preparation; Service Jig; Data Connector Pin Assignment; Microphone Jack - Kenwood TM-D710A Service Manual

Preparation

• To protect the signal generator, never connect the micro-
phone to the microphone jack when the receiver section
is adjusted.
• Without specification of SSG, standard modulation is
applied (MOD: 1kHz, DEV: ±3kHz)
■ Operation panel (Front)
q CALL !0 PF1
w VFO !1 PF2
e MR !2 SQL (Band A)
r Tuning control !3 BAND SEL/ VOL (Band A)
t KEY !4 SQL (Band B)
y F !5 BAND SEL/ VOL (Band B)
u TONE !6 TNC
i REV !7 PM
o LOW !8 Power switch
■ TX/RX unit (Rear)
q ANT e PC
w DATA r SP (SP1/SP2)

■ Microphone jack

(as viewed from the front of the transceiver)
Keypad serial data
No Connection
MIC, 600Ω impedance
GND (MIC)
PTT
GND
DC 8V, 100mA max
No Connection
ADJUSTMENT

Service Jig

■ Extension fl at cable (50-pin) (E37-1407-05),
about 10cm
to TX-RX (control section) unit
(X57-731 D/6) connector (CN960)
While servicing the unit, if you are checking the foil side
of the TX-RX unit (X57-731 A/6), replace the original flat
cable with extension cable (E37-1407-05).
■ Data terminal short plug (W05-0611-00)
Insert the adjustment jig (W05-0611-00) into the DATA
connector located on the rear panel of the transceiver.

• DATA connector pin assignment

Terminals e and y are short circuited.
e PKS (SEND switch for DATA terminal)
Connect PTT output. If PKS is set to "GND", data are
sent and the microphone will be mute.
y SQC (Squelch control output)
Thiis outputs squelch control output.
TM-D710A/D710E
to TX-RX unit (X57-731 A/6)
connector (CN677)
SQC PR1
PKS
PR9
E (GND)
DE PKD
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