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57

1. Prepare the digital voltmeter, and set the selector knob to ohm meter.
2. Put the probes at the speaker terminals as shown below.

Channel No. 10: In the Test Mode on Base Unit and Handset.

Receive Frequency

1

1897.344 1897.344 1897.344 1897.344 

2

1895.616 1895.616 1895.616 1895.616 

3

1893.888 1893.888 1893.888 1893.888 

4

1892.160 1892.160 1892.160 1892.160 

5

1890.432 1890.432 1890.432 1890.432 

6

1888.704 1888.704 1888.704 1888.704 

7

1886.976 1886.976 1886.976 1886.976 

8

1885.248

1885.248

1885.248

1885.248

9

1883.520 1883.520 1883.520 1883.520 

Handset speaker (receiver)

Digital Voltmeter

Is the value between
(+) terminal and (–) terminal about 34 

Ω?

RECEIVER:

Is the value between
(+) terminal and (–) terminal about 8 

Ω?

NG

NO

OK

YES

Replace the speaker 
(receiver).

SPEAKER:

58

After replacing IC800, please check the below steps for confirming the Fix.

1)  Confirm MAC address by OI (Operation Instruction manual) in order to check control signals between BBIC and WiFi 
     module.
2)  If cannot display MAC address or cannot go into "Network setup", please reconfirm soldering IC800.
3)  Follow 11.10.1 to set Frequency and Power level of WiFi module.
4)  Next please try to talk with WiFi Smartphone via Wireless router in order to check audio signals between BBIC and 
     WiFi  module.

For setting on Wireless router and Smartphone, please refer to OI of those.

<Preparation>

•Serial JIG cable: PQZZ1CD300E*
•PC 
•Batch file CD-ROM for setting: PNZZPRW110UA

• Connect PC and base unit at JIG

Cross Reference:

Connections (P.48)

• Setup serial communication tool.

 Execute TTY2.exe (which is include CD-ROM as above).
 Click “Setting” and set parameters as below

Base Unit

Smartphone

WiFi

WiFi

Wireless router

59

 Click “Action” and “Connect”.

<Set Frenquency and Power level>

[1] Confirm "Boot mode" for servicing.

• Type  &X 0echo "`bootmode br`"  and then press return key.

• When returning  BootMode:11 , goes to Step [2].
• When returned "WNG", please wait until WiFi module is ready(about 30sec) and then try to do step[1] again.
• When returned except "Bootmode:11", please try to do step[1] again.

[2] Enter ”Test mode”.

• Type  &X 1wifi_init.sh sta  and then press return key.

• Type  &X 1wifi_set_wlan_param.sh ATE=ATESTART  and then press return key.

[3] Write ”Frequency”.

• Type  &X 1wifi_e2p_low8_acs.sh 3a=18  and then press return key.

  「

」

」

＞

BootMode ： 11

＞

&X 0echo "`bootmode br`"

PC Display

  「

」

」

  「

」

」

＞

OK

＞

&X1Wifi_init.sh sta

PC Display

  「

」

」

＞

OK

＞

&X 1wifi_set_wlan_param.sh ATE=ATESTART

PC Display

  「

」

」

＞

OK

＞&X 1wifi_e2p_low8_acs.sh 3a=18

PC Display

60

[4] Write ”TX power”.

• Type  &X 1wifi_set_all_txpower.sh 13  and then press return key.
• Approx 10sec may be taken sometime to OK.

[5] Write BootMode for usually using.

• Type  &X 1bootmode bw 10  and then press return key.

• Type  &X 0echo "`bootmode br`"  and then press return key.

[6] Return to the stand-by mode.

• Remove Jig and turn off the unit.

  「

」

」

＞

OK

＞&X 1wifi_set_all_txpower.sh 13

PC Display

  「

」

」

＞

OK

＞&X 1bootmode bw 10

PC Display

  「

」

」

＞BootMode ： 10

＞&X 0echo "`bootmode br`"

PC Display