Sanyo CLT-99 Service Manual page 9

BASE STATION TEST MODE SPECIFICATION
Method to measure the INTERCOM SPEAKERPHONE:
(i) Connect three jigs switch (S001, S002 & S003) as according to the Drawing shown.
(ii) Set the unit to test mode by short pin 36 to ground.
(iii) Switch S001 so that the base of Q710 is connected to ground.
(iv) Switch S002 so that the pin 1 of IC703 (speaker amp IC) is connected to ground.
(v) Switch S003 so that pin 10 of IC706 (speakerphone IC) to ground
(vi) After power on toggle the switch to short pin 62 & pin 54 (FLASH key) for select CH 6.
(vii) Connect SSG (1.5kHz dev., 46dB, 49.830MHz), signal C1kHz, 300Hz, 3kHz) to CN101.
(viii) Measure the output at speaker terminal with 16 ohm load.
(vx) After finished measurement disconnect the jig switch from the pwb assembly.
NOTE: Ringer switch must be at ON position.
3. Control of Tx POWER & Rx MUTE
TONE/PULSE SW Tx POWER Rx MUTE
TONE OFF OFF
PULSE ON OFF
4. Control of Tx Mute & Rx Mute
RINGER SW Tx MUTE Rx MUTE
ON OFF OFF
OFF OFF ON
5. Setting of PLL Channel.
(Tx and Rx are the same number of channel).
(i) Increment of PLL channel.
Press the "PAGE/INT" key.
(ii) Setting of PLL channel.
Press one numeric keys "1 ~ 0".
(iii) Set to 6 CH Press "FLASH" key. (While "FLASH" is pressed, Rx MUTE
(iv) Set to 4 CH Press " " key.
6. Others
(A) Detection of Charge
When the charge is detected, the CHARGE/IN USE LED lights up.
In the case of the Test mode by operation of Power ON
Mode from the Test Mode.
(B) Key Monitor Detection
Press any key, then "Key Monitor" beep is heard.
CLT-99/SS (S/M) 6 9
ON).
When the charge is detected, the mode change to the Usual
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MEMO
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