Kenwood TH-77A Service Manual page 52

TH-77A/E
ADJUSTMENT
FREQ.: 445.050 MHz K, P Distortion ANT
SSG output: OFF meter
U SQL VR: At the point where} SSG
noise disappears | Dummy Load
—127 dBm/0.1 pV
3) SSG output:
—118 dBm/0.28 pV
U SQL VR: MAX
i
3. S-meter |
1)
FREQ.: 435.050 MHz M, X, T,
ANT CONT
VR6
Adjust so that all the signal-strength
E1, £2
segments go on then the last segment
FREQ.: 445.050 MHz K, P
blinks.
SSG output: —95 dBm/4.0 pV
a
—_——
2) SSG output: —83 dBm/5.8 pV
check
All segments on.
3) SSG output:
All segments off.
—127 dBm/0.1 pV
UB-UHF RX ADJUSTMENT
2) FREQ.: 430.050 MHz M, X, T,
£1, E2
FREQ.: 438.050 MHz K, P
3) FREQ.: 435.050 MHz M, X, T,
E1, E2
FREQ.: 445.050 MHz K, P
FREQ.: 435.050 MHz M, X, T,
E1, E2
FREQ.: 445.050 MHz K, P
SSG output: OFF
U SQL VR: At the point where
noise esa L
2) SSG output:
—127 dBm/0.1 wV
3) SSG output:
—115 dBm/0.4 pV
U SQL VR: MAX
1) FREQ.: 435.050 MHz M, xX, T,
E1, E2
FREQ.: 445.050 MHz K, P
SSG output:
—77 dBm/31.6 uv
2) SSG output:
—120 dBm/0.22 p
X ADJUSTMENT (VHF)
—
1. Power 1) External power supply
X
HI/LOW SW: LOW
PTT: ON
2. Squelch 1)
Knob position 8:00 to
11:00
Squelch is open.
All segments off.
52