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SERVICE MANUAL MODEL COMMANDER –––––– –––––––––––– FDL-PT222 MICROFILM Please file according to model size..DEST. CHASSIS NO. MODEL ––––– ––––––––––– –––––– COMMANDER DEST. CHASSIS NO. –––––––––––– ––––– ––––––––––– LCD COLOR TV...
MATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE CRITICAL TO SAFEOPERATION ARE IDEN- TIFIED IN THIS MANUAL.
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SECTION 1 GENERAL The operating instructions mentioned here are partial abstracts from the Operating Instructions Manual. The page numbers of the Operating Instruction Manual remain as in the manual. (Par t no : 4-083-376-11) – 3 –...
FDL-PT222 2-2. SERVICE POSITION B board CN301 AC power adaptor Cable for service 1-900-211-84 CN601 J101 Mini-jack – 6 – CN602 A board Cable for service 1-900-211-84 T1 board CN201 Antenna...
(D.GND) and make a coarse adjustment of T201 so that wave- form is close to zero at the 45.75 MHz position. 4. Remove the 1 kilohm resistor connected between JL77 (+4.5V) and JL28 (RF AGC). – 7 – FDL-PT222 0.01 F JL26 75 6dB Fig. 3-1...
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FDL-PT222 [AFT FINE ADJUSTMENT(T201)] 1. Connect a 1 kilohm resistor between JL77 (+4.5V) and JL28 (RF AGC). Note : Perform this adjustment as the last step in the process since drift may occur due to aging. 2. Switch the sweep signal to CW.
MEMO – 13 – 4-3. CIRCUIT BOARDS LOCATION Note: The symbol Terminal name of semiconductors in silk screen printed circuit ( Transistor Transistor Diode 4-4. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Diode Note: • Capacitors without voltage indication are all 50V. Diode •...
T1 BOARD : IC001 AN5707NFAP STOP CHCAL Vcc 5V DEFEAT BAND COMPARATOR H.P. TUNING BS ADD PLUSE WIDTH CONTROL SIGNAL M.M. STOP INPUT H.syn BAR OUTPUT CONTROL BAR DISPLAY AUTO POSITION RETURN CHARGE/ BT GENERATOR DISCHAGE ADJUST INITIAL RESET MANU C.S.
B BOARD IC VOLTAGE LIST B BOARD Pin Volt Pin Volt Pin Volt IC301 1 IC401 1 33 GND TRANSISTOR 13 GND 39 GND 44 GND 22 GND RV301 RV402 B BOARD TRANSISTOR VOLTAGE LIST Q302 0.3 3.5 GND Q303 3.6 Q402 3.9 Q403 2.1 Q408...
8-729-031-37 TRANSISTOR 2SC3837KT146Q 10% 50V Q202 8-729-216-22 TRANSISTOR 2SB709A-R-TX 20% 6.3V – 29 – FDL-PT222 • CAPACITORS PF : • There are some cases the reference number on one board overlaps on the other board. Therefore, when ordering parts by the reference number, please include the board name.