SONY STSE370
Instrukcja Serwisowa

ST-SE370 SECTION 3 TEST MODE
NOTE : The preset data will be erased when this test mode is used. Therefore, take down the data before setting this mode and preset the data again after completing operations in this mode. 1. Display Tube and Key Check Mode 1-1. Display Tube Check 1-1-1. Turn OFF the power. 1-1-2. While pressing 1 and BAND together, turn ON POWER . 1-1-3. While continuously pressing 1 and BAND together, check the following. Microcomputer version indication (1 sec) t All light up (1) t 8-digit test pattern (2) t 2-digit test pattern (3)

T

(1) All light up

(2) 8-digit test pattern

(3) 2-digit test pattern

The display changes every 500 msec. 1-2. Key Check 1-2-1. Release 1 and BAND . The KEY CHECK mode will be set. 1-2-2. All key numbers will be displayed. Key Number : 23 1-2-3. Each time the key is pressed, the key number will be counted down. Each key will be counted only once, at the first time. 1-2-4. When all keys have been pressed, the process will end and the factory preset will be entered. 2. Entering the Factory Preset To skip �1. Display Tube Key Check Mode�, and factory preset : (1) Turn OFF the power. (2) While pressing 3 and BAND together, turn ON POWER . 3. Circuit Check Mode Set to the reception frequency that the circuit can receive (FM : STEREO, RDS stations). (Set the input level to above 70 dB.) This enables circuit check to be performed in any of the reception modes-FM, AM (MW, LW). Set to a desired band before setting the test mode. (1) Turn OFF the power. (2) While pressing 4 and BAND together, turn ON POWER . � The items in the following table will be checked automatically in order every 2 seconds.
Display TUNED IF SIG L ST RDS

Items
AST signal = LOW IF COUNT OK SI LEVEL = 70dB > ST signal = LOW RDS DATA OK

DISPLAY

FM RDS
OK or NG OK or NG OK or NG OK or NG OK or NG

AM (MW, LW) IC201 NG, RV201 adjustments OK or NG TB101, IC201 NG TB101 NG TB101 NG IC801 NG

NG

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