Sony ICF-M350V, Service Manual

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Page 19: ...UAL ICF M350V SUPPLEMENT 1 File this supplement with the service manual US Model Subject MAIN KEY Board Modification ECN TRB00055 Discrimination Cabinet Rear Applicable Serial No E1206994 and later Ver 1 0 1999 12 ...

Page 20: ...el meter L202 Weather 2CH CT201 TV 13CH Adjustment Location MAIN and KEY board See page 3 1 ELECTRICAL ADJUSTMENTS 0 dB 1 µV AM Setting BAND AM AM IF Adjustment AM VT Voltage Adjustment AM Tracking Adjustment FM TV Setting BAND FM TV or Weather FM IF Adjustment FM TV VT Voltage Confirmation AM RF signal generator 30 amplitude modulation by 400 Hz signal Output level as low as possible Put the lead...

Page 21: ...1 1 2 4 5 NF VOL VOL RV1 MUTING Q3 J52 v EARPHONE SP51 SPEAKER 36 COMPARATOR IC51 2 2 BATTERY CHECK IC51 1 2 TU B MW FM TV LOW PASS FILTER Q101 103 104 DC DC CONVERTER Q106 107 T101 B SWITCH FOR FM TV Q202 205 2 4V FM TV Q206 2 4V REGULATOR IC53 4 5V B SWITCH Q55 38 RADIO POWER ON OFF B SWITCH Q56 3V REGULATOR IC52 3V D52 DC IN 4 5V DRY BATTERY SIZE AA IEC DESIGNATION R6 3PCS 4 5V POWER ON OFF CON...

Page 22: ...ges are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path L TV F FM f AM Note on Printed Wiring Boards X parts extracted from the component side Y parts extracted from the conductor side...

Page 23: ...C231 C204 C208 R219 R148 R145 R120 R109 R107 R108 C211 C133 C104 C103 C230 C135 C101 C213 C203 C229 L206 R138 R133 R147 C110 C102 C140 C137 C123 F107 F106 F105 R139 R144 R150 R135 C120 R134 C121 L102 C131 R151 R146 C124 C126 C125 C130 R141 R136 R130 R152 C105 C106 R117 R112 R114 R111 R110 R123 C111 C207 C212 R137 IC101 14 15 28 29 42 43 56 1 IC201 1 8 9 16 D204 A K A CT202 CT201 L203 L202 T201 Q10...

Page 24: ...nal 19 MUTE O Muting on off control signal output L muting on 20 BEEP O Buzzer sound signal output terminal 21 NC Not used fixed at L 22 VDD Power supply terminal 3V 23 TV LOCAL IN I TV 7 to 13CH weather VCO input terminal 24 FM LOCAL IN I FM TV 2 to 6CH VCO input terminal 25 AM LOCAL IN I AM VCO input terminal 26 VSS GND Ground terminal 27 PD OUT O PLL error output terminal 28 Not used open 29 CE...

Page 25: ...Remark 5 1 501 362 11 ANTENNA TELESCOPIC 9 4 860 518 00 CUSHION 12 3 370 475 01 SCREW NYLOCK B 3X6 13 7 685 650 79 SCREW P 3X16 TYPE2 NON SLIT 5 1 501 222 31 ANTENNA TELESCOPIC 12 3 918 696 11 SCREW M 3X6 LOCK ACE 13 7 685 150 14 SCREW P 3X16 TYPE2 NON SLIT 9 10 10 not supplied 2 2 15 Continued on next page Ref No Part No Description Remark 15 3 043 508 01 CUSHION SPEAKER Ref No Part No Descriptio...

Page 26: ...D 52 A 3663 452 A KEY BOARD COMPLETE 55 A 3663 449 A MAIN BOARD COMPLETE 56 3 045 823 01 SPACER BPF 57 3 043 511 01 SHIELD LCD SHEET 58 3 043 510 01 INSULATING SHEET 59 3 043 512 01 SHIELD KEY SHEET 60 3 043 507 01 SHIELD LCD 61 3 046 614 01 SHIELD DD SHEET 51 52 LCD1 57 51 60 52 58 56 59 61 LCD1 Items marked are not stocked since they are seldom required for routine service Some delay should be a...

Page 27: ...1uF 5 50V C136 1 163 117 00 CERAMIC CHIP 100PF 5 50V C137 1 163 117 00 CERAMIC CHIP 100PF 5 50V C138 1 163 117 00 CERAMIC CHIP 100PF 5 50V C139 1 128 809 11 CERAMIC 100PF 5 50V C140 1 163 117 00 CERAMIC CHIP 100PF 5 50V C141 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C142 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C201 1 128 809 11 CERAMIC 100PF 5 50V C202 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C203...

Page 28: ...106 8 729 120 28 TRANSISTOR 2SC1623 L5L6 Q107 8 729 120 28 TRANSISTOR 2SC1623 L5L6 Q201 8 729 102 07 TRANSISTOR 2SC2223 F13 Q202 8 729 216 22 TRANSISTOR 2SA1162 G Q203 8 729 027 38 TRANSISTOR DTA144EKA T146 Q204 1 801 806 11 TRANSISTOR DTC144EKA T146 Q205 8 729 120 28 TRANSISTOR 2SC1623 L5L6 Q206 1 801 806 11 TRANSISTOR DTC144EKA T146 RESISTOR R101 1 216 097 00 RES CHIP 100K 5 1 10W R102 1 216 097...

Page 29: ...SWITCH KEY BOARD PRESET TUNING 4 S112 1 571 760 11 SWITCH KEY BOARD TUNE TIME TRANSFORMER T101 1 449 138 61 TRANSFORMER DC DC CONVERTER T201 1 435 354 11 TRANSFORMER IF VIBRATOR X101 1 567 769 11 VIBRATOR CRYSTAL 75kHz A 3663 449 A MAIN BOARD COMPLETE CAPACITOR C1 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C2 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C3 1 126 162 11 ELECT 3 3uF 20 50V C5 1 163 021 11 CE...

Page 30: ...TOR Q1 1 801 806 11 TRANSISTOR DTC144EKA T146 Q2 1 801 806 11 TRANSISTOR DTC144EKA T146 Q3 8 729 216 22 TRANSISTOR 2SA1162 G Q54 1 801 806 11 TRANSISTOR DTC144EKA T146 Q55 8 729 141 48 TRANSISTOR 2SB624 BV345 Q56 8 729 027 24 TRANSISTOR DTA114TKA T146 RESISTOR R1 1 216 057 00 METAL CHIP 2 2K 5 1 10W R2 1 216 057 00 METAL CHIP 2 2K 5 1 10W R3 1 216 121 00 RES CHIP 1M 5 1 10W R4 1 216 121 00 RES CHI...

Page 31: ...5 096 01 INDIVIDUAL CARTON 3 385 979 01 LABEL DIGITAL DEVICE FCC 3 704 365 01 BAG STANDARD PROTECTION 3 755 441 21 MANUAL INSTRUCTION MISCELLANEOUS 5 1 501 222 31 ANTENNA TELESCOPIC ACCESSORIES PACKING MATERIALS 3 757 121 23 MANUAL INSTRUCTION ENGLISH Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items ...

Page 32: ... 20 ICF M350V Sony Corporation Personal Audio Division Company 9 957 577 81 1999L0516 1 Printed in Japan C 1999 12 Published by General Engineering Dept ...