Kenwood TKR-851 Service Manual page 41

Item Condition
(Wide 4kHz) 3) CH : 2 (Wide 4kHz)
SSG output : 4dB below to
12dB SINAD level
SSG MOD : 1kHz
SSG DEV : 2.4kHz
AF : 2V/4Ω
4) SSG : OFF
(Narrow) 5) CH : 2 (Narrow)
SSG output : 4dB below to
12dB SINAD level
SSG MOD : 1kHz
SSG DEV : 1.5kHz
AF : 2V/4Ω
6) SSG : OFF
17. Tight 1) Connect SSG to RX ANT.
squelch CH : 2 (Wide)
(Wide) SSG output : 7dB over to
12dB SINAD level
SSG MOD : 1kHz
SSG DEV : 3kHz
AF : 2V/4Ω
(Wide 4kHz) 2) CH : 2 (Wide 4kHz)
SSG output : 7dB over to
12dB SINAD level
SSG MOD : 1kHz
SSG DEV : 2.4kHz
AF : 2V/4Ω
(Narrow) 3) CH : 2 (Narrow)
SSG output : 7dB over to
12dB SINAD level
SSG MOD : 1kHz
SSG DEV : 1.5kHz
AF : 2V/4Ω
18. RD outut 1) Connect SSG to RX ANT.
level CH : 2 (Wide)
(Wide) SSG output : –53dBm/501µV
SSG MOD : 1kHz
SSG DEV : 3.0kHz
(Wide 4kHz) 2) CH : 2 (Wide 4kHz)
SSG output : –53dBm/501µV
SSG MOD : 1kHz
SSG DEV : 2.4kHz
(Narrow) 3) CH : 2 (Narrow)
SSG output : –53dBm/501µV
SSG MOD : 1kHz
SSG DEV : 1.5kHz
19. RA outut 1) Connect SSG to RX ANT.
level CH : 2 (Wide)
(Wide) SSG output : –53dBm/501µV
SSG MOD : 1kHz
SSG DEV : 3.0kHz
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
SSG Rear RX ANT
Audio TEST/SPKR
analyzer jack SPO
VTVM (pin 12)
Oscilloscope
SSG Rear RX ANT
Audio TEST/SPKR
analyzer jack SPO
VTVM (pin 12)
Oscilloscope
SSG Rear RX ANT
DVM CONTROL
I/O jack
RD (pin 10)
4.7kΩ load
SSG Rear RX ANT
DVM CONTROL
I/O jack
RA (pin 11)
4.7kΩ load
TKR-851
Adjustment
Parts Method
PC adj.
Adjust to point of
closing squelch
Check Squelch must be closed.
PC adj.
Adjust to point of
closing squelch
Check Squelch must be closed.
PC adj.
Adjust to point of
opening squelch
PC adj.
Adjust to point of
opening squelch
PC adj.
Adjust to point of
opening squelch
± 5mV
PC adj.
80mV
± 20mV
PC adj.
400mV
Specifications/Remarks
41