Panasonic KX-TC1868B, Руководство по обслуживанию, Страница: 32 / 87

(*1)BS;Base unit, HS;Handset unit, HS JIG;Handset-jig, BS
JIG;Base unit-jig
(*2)Marconi setting
TX Freq.; 906.00MHz mode; WB
Spectrum analyzer setting
Freq. 906.00MHz Span 10MHz
RBW 1MHz or above VBW same as RBW
(*3)See “9 TEST MODE AND ADJUSTMENT”
(*4)Do not adjust X101 when probe is directly attached to
X101. Test probe should be attached to antenna, then
adjust.
(*5)See 7.5.5. RF-DSP interface signal wave form.
8.9.4. Check Table for RF Block
No Item BS(Base uinit) (*1) HS(Handset) (*1)
1a. Link confirmation
[NORMAL
POWER] Procedure 1. Put “HS JIG” on BS.
2. Set MODE to [NORMAL POWER] position of
“HS JIG“.
3. Press [TALK] key of “HS JIG” to establish link .
1. Put HS on “BS JIG”.
2. Set MODE to [NORMAL POWER] position of
“BS JIG“.
3. Press [TALK] key of “HS” to establish link.
1b. Link confirmation
[TEST POWER] Procedure 1. Change MODE to [TEST POWER] position of
“HS JIG”.
2. Press [TALK] key of “HS JIG” to establish link
about 30cm away from “BS”.
1. Change MODE to [TEST POWER] position of
“BS JIG”.
2. Press [TALK] key of “HS“ to establish link
about 30cm away from “BS JIG”.
2 IC101 working
confirmation Procedure 1. Set Test-mode [Continuos Send Low
Power].(*3)
2. Confirm X101 oscillate(24MHz). (*4)
1. Set Test-mode [Continuos Send Low
Power].(*3)
2. Confirm X101 oscillate(24MHz) (*4).
Check
point 1. Check X101 oscillator.
2. Check DSP interface(IC101
←→
IC501/BS) (*5).
1. Check X101 oscillator.
2. Check DSP interface(IC101
←→
IC201/HS)
(*5).
3 TX frequency
Adjustment Procedure 1. Set Test-model [Continuos Send Low
Power].(*3)
2. Confirm TX-carrier frequency (1CH = 906MHz).
1. Set Test-mode [Continuos Send Low
Power].(*3)
2. Confirm TX-carrier frequency (1CH =
906MHz).
Check
point 1. Adjust frequency by VC101.(*3)
2. Check X101 oscillator Circuit.
1. Adjust frequency by VC101.(*3)
2. Check X101 oscillator Circuit.
4 TX Power
confirmation Procedure 1. Put RF wire to ANT and ANT_GND(See 9.4.
Base Unit Reference Drawing).
Connect this wire Marconi or Spectrum
Analyzer.
2. Set Test-mode [Continuos Send Low
Power].(*3)
3. Confirm TX power level within -3-±5dBm (*2)
(0.158~1.58mW)
4. Set Test-mode [Continuos Send High
Power].(*3)
5. Confirm TX power level 17±4dBm
(20~126mW)
1. Put RF wire to ANT and ANT_GND(See 9.5.
Handset Reference Drawing).
2. Set Test-mode [Continuos Send Low
Power].(*3)
3. Confirm TX power level within -4±5dBm (*2)
(0.126~1.26mW)
4. Set Test-mode [Continuos Send High
Power].(*3)
5. Confirm TX power level 16±4dBm
(16~100mW)
Check
point 1. Check F102 and T101 soldering.
2. Check L102~107, C101~102 and C137
soldering.
3. Check Antenna in BS.
1. Check F102 and T101 soldering.
2. Check L102~107, C101~102 and C137
soldering.
3. Check Antenna in HS.
5 Receiver
confirmation Procedure 1. Put “HS JIG” on BS.
2. Set MODE to [NORMAL POWER] position of
“HS JIG”.
3. Press [TALK] key of “HS JIG“ to establish link .
4. Change MODE to [TEST POWER] position of
“HS JIG“.
5. Press [TALK] key of “HS JIG” to establish link
about 30cm away from “BS”.
1. Put HS on “BS JIG”.
2. Set MODE to [NORMAL POWER] position of
“BS JIG”.
3. Press [TALK] key of “HS” to establish link.
4. Change MODE to [TEST POWER] position of
“BS JIG”.
5. Press [TALK] key of “HS” to establish link
about 30cm away from “BS JIG“.
Check
point 1. Check F102 and T101 soldering.
2. Check L102~107, C101~102 and C137
soldering.
3. Check Antenna in BS.
1. Check F102 and T101 soldering.
2. Check L102~107, C101~102 and C137
soldering.
3. Check Antenna in HS.
32
KX-TC1868B / KX-TC1871B / KX-TC1872B