SONY SPP888
Manual de Servicio

HANDSET SECTION
MANUAL TEST MODE Set the Test Mode: 1. Enter the test mode by pressing key while pressing 1 and TALK keys when in idle condition. (Key operation n 1 n TALK ) Release the Test Mode: 1. Press the OFF key. 2. Turn off the power. (Remove the battery and replace them.) MACHINE TEST MODE Set the Test Mode: 1. Connect between TP316 (TEST I/O) and GND. 2. Set the Channel Setting terminal. (See page 20.) 3. Turn on the power to start the test mode. Release the Test Mode: 1. Turn off the power. 2. Remove the short plug and turn on the power.

OPERATION AT START OF TEST MODE � The ringer sounds for 500 msec. � Setting of channel: CH1 for manual test mode and the Channel Setting terminal for machine test mode. (See page 20.) � TX is set ON and the handset is allowed to call outside. RSSI is set to Hi sensitivity. � Liquid crystal display panel is turned ON for 1 sec. and then the channel is displayed (for example, Ch1 CH1=01). Back light is to be still ON.

� hand main board (side B) �

TP201

TP314

TP316

TP203

TP202

TP204

TP205

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