Watchman FD-30A, Service Manual

Page 1: ...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 MICROFILM Power requiremen...

Page 2: ...in a bright place i 7_ I phosphor screen cos 7 electron beam deflection yoke r electron gun Built in FM stereo AM radio FM stereo listening through headphones A VIDEO IN jack for monitoring the pictur...

Page 3: ...upport K board FD 30A SPEAKER AND SPEAKER BRACKET speaker 1 Pull out the speaker oo speaker bracket a DB 2 MPX BOARD MPX board NOTE ON ASSEMBLING When reinstalling the control drum position the parts...

Page 4: ...rd Pull out the picture tube socket control knob control indication plate Oru out the control indication plate 1 2 DIAL CORD STRINGING 1 Dial Cord Preparation 2 Dial Cord Stringing dial drum 3 Pointer...

Page 5: ...K si Si 585 Za C_ BOARD aun 2 6 26y 2 90 3v 0 027 ee 13 7 R50 ie ii ats 1 2 8 fo PRS 1 Bae 8 25 32 og RVIBL is nm o 6v Q552 xe ORG 21 0 cave jmax 20V ees kgs RY fmin O 5V dmax 6 2V min 21 5V LED BOARD...

Page 6: ...BOARD re fas FM TV TEL ANT af 805 50 804 803 803 415 8 251 808 E Bgeay 33 PQ60 RaGs 802 A OM O 801 252 807 502 801 802 502 1152 954 8 856 253 C251 50 Ici 403 851 852 853 855 34 2 33 ood 34 i 3 4 i BAR...

Page 7: ...07 808 RO7 SEN2 Ta 52 MPC574 rigg 9158 4 2V 5 8V 34Vp_p Q805 2SD1005 DUMPER _POSITION COLUM DISCRIMINATE DRIVE SUB 8s SwitcH VOLUME SWITCH SWITCH oo o 8 33k 7S une Qis7 jer624 ICI51_AN5S700 ay RIGS j...

Page 8: ...Note Voltages are measured with a VOM 50kQ2 V e Switch VIDEO OUT 2SAll75 CHING 582 eet 0 022 p80 0802 ISSII9 ERABI 005 cae 0 01 ose 4 a 556 7 Ct ASS a cs58 220e R563 620 NN we cael Garey D551 852 9801...

Page 9: ...622A 28C 1623 2SD596 2SB772 Te a oO 2S8C2458 2SC 2839 E 2SD763 i 2SD999 2SD1005 2SK54 B 2SK193 letter side AN5700 M51378L TA7343AF M51364P NJM386M TA7640AF Top view uPC574J G cathode SLP178B anode cat...

Page 10: ..._FD 30A FD 30A 9 963 177 82 Sony Corporation English 84D0507 2 Printed in Japan 1984...

Page 11: ...el No 2 January 1984 SUPPLEMENT File this supplement with the Service Manual A part of disassembly procedures has been added Adjustment designations have been specified in the schematic diagram FLAT B...

Page 12: ...FD 30A 1 DISASSEMBLY 1 1 REMOVAL Note Remove the parts in the numerica order battery case lid cabinet screw 2 x 22 Q rear cabinet cabinet screw 2 x 30 4PCS control knob front cabinet hand strap...

Page 13: ...To Exposed Metal Parts on Set AC 0 15 uF voltmeter 75V Earth Ground Fig A Using an AC voltmeter to check AC leakage LEAKAGE TEST The AC leakage from any exposed meta part to earth ground and from all...

Page 14: ...transistors and diodes which are used most frequently will be described Dimension of transistors and capacitors Ww eZ Unit mm L a Identification resistor layer side black color electrodes narrow A sam...

Page 15: ...nent Tweezers Turn FD 30A FD 30A 3 Smoothing the soldered surface After disconnecting the chip component remove the solder by using a braided wire to smooth the land surface Connecting chip components...

Page 16: ...aie ict 1 FM IF DET i MUTING FM OSC 14 AM MIX IF DET O8 ANT2 Q3 AM OSC FERRITE ROD ANT 3 ft FM B i aN RF AM a W W uv Bd a6 a7 SWITCHING SWITCHING D5 7 FM FM OAM 8 48 8 V OSC ass AFC D50t 253 BUFFER M...

Page 17: ...0A SECTION 2 DISASSEMBLY 2 1 REMOVAL Note Remove the parts in the numerical order CABINET battery case lid Q cabinet screw 2x 22 cabinet screw 2x 30 4 pes N Zp Q vear cabinet SS 5 front cabinet hand s...

Page 18: ...FD 30A PICTURE TUBE AND D BOARD speaker CRT support picture tube D board picture tube socket...

Page 19: ...AND MPX BOARD A board QP2x6 BP NOTE ON ASSEMBLING When reinstalling the control drum position the parts marked A and B of two drums as illustrated control drum dial drum Unsolder Bar ANT board MPX bo...

Page 20: ...al drum o 2 3 w t 3 Pointer Setting roo After the stringing turn the tuning knob fully clockwise Set the center of the dial pointer at this left side of rib dial pointer ie N tuning knob Gf ee NY See...

Page 21: ...400 Hz 30 FM modulated telescopic 22 5 kHz frequency deviation antenna lead PHONES Output level As low as possible 10784011 A f SKZ cae a7 wi Adjust for maximum reading on VTVM FM TRACKING ADJUSTMENT...

Page 22: ...f the lighting up range telescopic of both turns as shown below antenna lead 1 Tune the set to the FM stereo broadcasting signal Carrier frequency 98 MHz Modulation 1 kHz 22 5 kHz deviation 30 Output...

Page 23: ...in each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors AM FREQUENCY COVERAGE ADJUSTMENT Adjust for maximum reading on VT...

Page 24: ...Adjustment BAND Channel SELECT Oe tunes in io switch off the air signal 6 CH to 2 CH Adjust RVs for optimum picture 70 83 CH to 14 30 CH 7 CH to 13 CH Adjustment Location A board RV152 RV157 RV155 RV1...

Page 25: ...signal 2 Adjust RV552 for the best vertical amplitude RV552 PMR ee aaa SIF Adjustment 1 Tune in an off the air signal 2 Adjust L251 for maixmum and clearest sound SONY ht 5D RA pp WO 610 840 141 yt S...

Page 26: ...l 3 Adjust RV801 for the best focus at the center of the picture 4 8 V Adjustment Centering Adjstment Turn the socket of CRT toward the north Tune in an off the air signal Adjust RV601 so that the col...

Page 27: ...d with part number component side pattern e Hg Through hole e B pattern o iL 1 1 i es y ree be i L 16 19 _ ________ 4 18 ___ _ v90l 2 CRT 34vp p Jf 02UM A BOARD 2Vp p TO T801 HV DRY BATT oe cp et ee o...

Page 28: ...2 801 801 252 802 502 ICI52 954 8 253 C251 501 ICI 856 403 851 854 g52 855 6 855 401 302 157 ICISI 155 154 151 152 153 201 UHF VHF ame ddan ft 35 BAND SELECT 33 36 ieee ANT2 AM FERRITTE ROD ANT N Al B...

Page 29: ...t Aeon ey 2 Oe al ee beoreoe 608srens ge C5740 isa 4 2v 56 RO7 5EN2 DUMPER 2 PCS74U ria ia 3 IC151_ANS700 ne ay asciszea E188 Jmin 215V BAND SELECT 9158 2sAli75 WITCH 2201 cell D809 diesBOARD 01 GS 17...

Page 30: ...ov oO 0603 H _K BOARD 6 BoaRDI74 7 Note Components for right channel have same values as for left channel Reference numbers are coded from All capacitors are in uF unless otherwise noted pF wuF SOWV o...

Page 31: ...re seldom required for routine service The construction parts of an assembled part are indicated with a collation number in the remark column Items marked 6 are not stocked since they are seldom requi...

Page 32: ...5 1 10W C39 1 163 193 00 CERAMIC CHIP 330PF 5 50V No Part No Description Remark No Part No Description Remark C40 1 163 141 00 CERAMIC CHIP 0 OOLMF 5 50V aa R467 1 216 073 00 METAL CHIP 10K 5 1 10W C...

Page 33: ...may be omitted Remark Ref No Part No Description Remark 50V C552 1 163 080 00 CERAMIC CHIP 0 047MF 10 25V 25V C553 1 163 078 00 CERAMIC CHIP 0 033MF 10 25V 25V C554 1 163 064 00 CERAMIC CHIP 0 027MF 1...

Page 34: ...151 1 10W Qis2 1 10W 1 8W Q153 1 10W Qi54 qi55 1 10W Q156 1 10W Q157 1 10W 1 10W Q158 1 10W Q201 Q202 1 8W Q251 1 10W Q252 1 10W 1 10W Q253 1 10W Q254 Q301 1 10W Q302 1 10W Q303 1 10W 1 10W Q401 1 10W...

Page 35: ...ted 5 Remark Ref No Part No 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 6W 1 10W 1 1 0W 1 10W 1 10W 1 1 0W 1 10W 1 10W an fe 1 6W 1 10 1 10W 1 10 1 10W 1 10W 1 6W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1...

Page 36: ...HIP 120K 5 1 10W 1 10W R860 1 216 073 00 METAL CHIP 10K 5 1 10W 1 10W R861 1 216 097 00 METAL CHIP 100K 5 1 10W R862 1 216 089 00 METAL CHIP 47K 5 1 10W 1 10W tig R863 1 216 102 00 METAL CHIP 160K 5 1...

Page 37: ...RESISTOR R170 1 216 085 00 METAL CHIP 33K 5 1 10W RV51 1 228 357 00 RES ADJ METAL GLAZE 4 7K R303 1 216 022 00 METAL CHIP 75 5 1 10W RV151 1 230 040 21 RES VAR CARBON 200K TUNING R461 1 216 039 00 ME...

Page 38: ...US 3 316 050 00 SPACER C CANADIAN 3 316 034 01 CUSHION 3 316 043 01 INDIVIDUAL CARTON CANADIAN 3 773 613 21 MANUAL INSTRUCTION US 3 773 613 31 MANUAL INSTRUCTION CANADIAN 3 795 748 21 SAFETY INSTRUCT...

Page 39: ...CABINET FRONT GIANTS eeee CABINET FRONT JETS oeeeee CABINET FRONT EAGLES CABINET FRONT FALCONS CABINET FRONT BROWNS CABINET FRONT BEARS CABINET FRONT COWBOYS CABINET FRONT BRONCOS CABINET FRONT LIONS...

Page 40: ...oltage from DC IN jack so that the VTVM reads 7 76 V 3 Confirm that the raster appears at that time 4 Supply the voltage from DC IN jack so that the VTVM reads 8 77 V 5 Confirm that the raster disappe...