Adjustments On The Pll Unit - Icom IC-9100 Service Manual

4-2 ADJUSTMENTS ON THE PLL UNIT

ADJUSTMENT ITEM
REFERENCE 1 • Frequency: 14.10000 MHz
FREQUENCY
SIGNAL
2 • Frequency: 14.10000 MHz
3
LOCK VOLTAGE
1ST LO LEVEL 1 • Frequency: 0.03 MHz
(HF band)
2 • Frequency: 4.00 MHz
3 • Frequency: 7.90 MHz
4 • Frequency: 8.00 MHz
5 • Frequency: 15.00 MHz
6 • Frequency: 21.90 MHz
7 • Frequency: 22.00 MHz
8 • Frequency: 50.00 MHz
9
2ND RX LO LEVEL (HF band) • Frequency: 21.90 MHz
1ST LO FILTER (VHF band)
1ST LO LEVEL 1 • Frequency: 108.000 MHz
(VHF band)
2 • Frequency: 144.000 MHz
3 • Frequency: 148.000 MHz
4** • Frequency: 174.000 MHz
2ND RX LO LEVEL
(VHF band)
*: For [TPE] and [KOR]. **; For only [USA], [CHN] and [EXP]
TRANSCEIVER'S
CONDITION
• Mode: USB
• Transmitting
• Mode: USB
• Receiving
• Frequency: 14.10000 MHz
• Receiving
(1.8 MHz*)
• Receiving
(3.5625 MHz*)
• Receiving
(7.10 MHz*)
• Receiving
(7.10 MHz*)
• Receiving
(14.35 MHz*)
• Receiving
(21.45 MHz*)
• Receiving
(21.45 MHz*)
• Receiving
• Receiving
†
• Frequency: 60.00 MHz
(50.1225 MHz*)
• Receiving
(21.45 MHz*)
• Receiving
• Frequency: 146.000 MHz
• Mode: USB
• Receiving
(144.000 MHz*)
• Mode: USB
• Receiving
• Mode: USB
• Receiving
(146.000 MHz*)
• Mode: USB
• Receiving
• Mode: USB
• Receiving
• Frequency: 145.000 MHz
• Mode: USB
• Receiving
OPERATION
• Connect a frequency counter to
J571.
• Connect an RF voltmeter to J571.
• Connect a voltmeter to CP221.
• Connect an RF voltmeter to J501.
• Connect an RF voltmeter to the J852.
• Connect an RF voltmeter to the
J1171.
• Connect an RF voltmeter to the
J1171.
• Connect an RF voltmeter to the
J1701.
4 - 2
MEASURE ADJUST
POINT POINT
J571 (Verify) 64.000000 MHz
J571 L551, L552 Max. voltage
(Repeatedly)
– –10 dBm (±3 dB)
CP221 (Verify)
J501 (Verify)
J852 (Verify)
J1171 C1185, Max. voltage
C1187
(Repeatedly)
J1171 (Verify)
J1701 (Verify)
VALUE
(±300 Hz)
(Verify)
1.1–2.7 V
+4.0 dBm
(±3 dB)
+2.0 dBm
(±3 dB)
–1.0 dBm
(±3 dB)
–8.0 dBm
(±3 dB)
–1.0 dBm
(±3 dB)
–8.0 dBm
(±3 dB)
–8.0 dBm
(±3 dB)