COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
SECTION 3 TEST MODE MACHINE TEST MODE BASE UNIT SECTION Set the Test Mode: 1. With the TEST I/O (TP808) terminal in “L” (low) input state, MANUAL TEST MODE cause Reset of Power ON. Equipment enters machine test mode. Set the Test Mode: 2.
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Channel Setting: During startup in machine test mode, make the following channel settings by loading the terminal input data. Pin No. TX frequency RX frequency TEST CLK/ COL4 COL3 COL2 COL1 (MHz) (MHz) Channel POWER LED (TP809) (TP807) (TP806) (TP805) (TP804) 43.720 48.760...
HANDSET SECTION MACHINE TEST MODE Set the Test Mode: 1. When power on reset is applied while a “L” (low) is input the MANUAL TEST MODE TEST I/O (TP316) terminal (IC401 #§ pin), the RING (Level Set the Test Mode: H, 1 sec) sounds.
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Key Processing (Setting the Manual Test Mode) : DATA Light MUTE RSSI TEST POINT FUNCTION OUT- LCD HICUT SENS Light INITIAL – NORM TEST MODE TALK TP204 TP209 TX & RX – – – TP201 TP209 TEST MODE OFF – –...
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Channel Setting: During startup in machine test mode, make the following channel settings by loading the terminal input data. Pin No. TX frequency RX frequency PC0-I/O PD3-I PD2-I PD1-I PD0-I (MHz) (MHz) Channel (TP205) (TP204) (TP203) (TP202) (TP201) 48.760 43.720 48.840 43.740 48.860...
SECTION 4 ELECTRICAL ADJUSTMENTS BASE UNIT SECTION RX SECTION ADJUSTMENT RX DISCRI Adjustment Note: Note: • Apply 9V dc from regurated DC power supply. • Perform the adjustment at T3CH (28CH : 49.910 MHz) as a rule. • Perform the adjustment at T3CH (28CH : 49.910 MHz) as a rule. Setting : •...
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Adjustment Location : – base main board (component side) – RV501 FL501 L503 L602 RV601 – base main board (conductor side) – TP601 TP506 TP602 TP507 TP603 TP508 TP502 TP503 50 Ω TP505 TP702 TP701 – 18 –...
HANDSET SECTION RX DISCRI Adjustment Adjustment Location : Note: • Perform the adjustment at T1CH (26CH : 43.780 MHz) as a rule. Note: – hand main board (side A) – Setting : • Apply 3.6 V dc from regurated DC power supply. FM RF •...
SPP-98/99 5-4. SCHEMATIC DIAGRAM — BASE SECTION — • Refer to page 37 for IC Block Diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
SPP-98/99 5-5. PRINTED WIRING BOARD — HAND MAIN SECTION — • Semiconductor Location Ref. No. Location D101 (Page 34) Q101 Q102 Q103 (Page 34) Note: • X : parts extracted from the component side. • Y : parts extracted from the conductor side.
SPP-98/99 5-6. SCHEMATIC DIAGRAM — HAND MAIN SECTION — • Refer to page 37 for IC Block Diagrams. (Page 36) Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
SPP-98/99 5-8. SCHEMATIC DIAGRAM — HAND KEY SECTION — • Refer to page 37 for IC Block Diagrams. (Page 32) Note: • All capacitors are in µF unless otherwise noted. pF: µµF • Voltage is dc with respect to ground under no-signal 50 WV or less are not indicated except for electrolytics condition.
• IC Block Diagrams 5-9. IC PIN DESCRIPTIONS • IC801 LC6621108A (SYSTEM CONTROL) (BASE UNIT) Pin No. Pin Name Pin Description IC501 TB31224F (BASE MAIN BOARD) RSSI CTRL RSSI sens select output (L: Low sens) IC1 TB31224F (HAND MAIN BOARD) EEPROM DATA EEPROM data input/output (Not used in this set.) EEROM CLK...