Icom IC-R9500 Service Manual - Page 18

Adjustment Procedures, Preparation, Ic-r9500

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SECTION 4 ADJUSTMENT PROCEDURE 4-1 PREPARATION ¤ REQUIRED TEST EQUIPMENTS EQUIPMENT GRADE AND RANGE DC voltmeter Input impedance : 50 kΩ /V DC or better RF Milliwatt meter Measuring range : 0.5-5 dBm Input impedance : 50 Ω Frequency range : 0.1-300 MHz Frequency counter Frequency accuracy: ±1 ppm or better Sensitivity : 100 mV or better EQUIPMENT Standard signal generator (SG) AC millivoltmeter External speaker GRADE AND RANGE Frequency range : 0.1-3.5 GHz Output level : 0.1 µV to 32 mV (-127 to -17 dBm) Output impedance : 50 Ω Modulation : None Measuring range : 10 mV to 10 V Input impedance : 8 Ω Capacity : More than 5 W ¤ ENTERING ADJUSTMENT MODE q Connect the short plug (see the iluustlation below) to the [REMOTE] jack. w Push and hold [FM] and [WFM] keys then turn the power ON. e The main adjustment menu will appear as next page. ¤ CONNECTION IC-R9500 ShorEt xptleurgnal speaker Freq. plug Counter SG (for adjustment [HF] ) SG (for adjustments [V/U], [V/U1], [TV] and [WFM]) SG (for adjustment [V/U2]) • Short plug 3.5 mm (1/8'' ) monoral plug (Short) • External speaker plug 3.5 mm (1/8'' ) monoral plug + AC millivolt meter − + − Speaker (8 Ω) 4 - 1

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4 - 1
SECTION 4
ADJUSTMENT PROCEDURE
¤
REQUIRED TEST EQUIPMENTS
EQUIPMENT
GRADE AND RANGE
EQUIPMENT
GRADE AND RANGE
DC voltmeter
Input impedance
: 50 k
Ω
/V DC or better
Standard signal
generator (SG)
Frequency range
: 0.1–3.5 GHz
Output level
: 0.1 μV to 32 mV
(–127 to –17 dBm)
Output impedance
: 50
Ω
Modulation
: None
RF Milliwatt meter
Measuring range
: 0.5–5 dBm
Input impedance
: 50
Ω
Frequency counter
Frequency range
: 0.1–300 MHz
Frequency accuracy : ²1 ppm or better
Sensitivity
: 100 mV or better
AC millivoltmeter
Measuring range
: 10 mV to 10 V
External speaker
Input impedance
: 8
Ω
Capacity
: More than 5 W
4-1 PREPARATION
¤
CONNECTION
IC-R9500
AC millivolt meter
Speaker (8
Ω
)
(Short)
• Short plug
Short plug
External speaker plug
Freq. Counter
3.5 mm (1/8’’ ) monoral plug
3.5 mm (1/8’’ ) monoral plug
• External speaker plug
SG (for adjustment
[HF]
)
SG (for adjustments
[V/U]
,
[V/U1]
,
[TV]
and
[WFM]
)
SG (for adjustment
[V/U2]
)
+
±
+
±
¤
ENTERING ADJUSTMENT MODE
q
Connect the short plug (see the iluustlation below) to the
[REMOTE]
jack.
w
Push and hold
[FM]
and
[WFM]
keys
then turn the power ON.
e
The
main adjustment menu will appear as next page.