Kenwood TKR-851, Service Manual

Page: 41 / 101

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