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FDL-3105 SERVICE MANUAL US Model watchman SPECIFICATIONS American TV standard standard Color system N T S C Channel coverage VHF channel 2-13 UHF channel 14-69 Radio frequency range FM: 87.6-108 MHz (Stereo). AM: 530-l ,710 kHz (Mono) A n t e n n a...
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S E R V I C E M A N U A L U S Model color w a t c h m a n...
on chip component replacement TABLE OF CONTENTS Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may T i t l e Page be damaged by heat. 1. GENERAL ......*....Flexible Circuit Board Repairing Keep the temperature,of the soldering iron around 2.
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The unit starts tuning automatically. corrosion. Slide the battery compartment lid. POWER Connect the Sony DCC-E19OL car battery cord (not supplied) to the DC IN Pull out the antenna fully for FM reception. Pull out the antenna fully. c a r b a t t e r y c o r d .
INDICATOR MODULE (LCD) DIAL POINTER SETTING Fully rotate tuning capacitor drum in the direction of the arrow@. Align pointer to the direction of the arrow @I and insert it. ointer capacitor drum...
SECTION 3 ELECTRICAL ADJUSTMENTS HORIZONTAL AFC ADJUSTMENT - 1. TV SECTION Procedure: PRECAUTION Input the pattern generator (monoscope, ‘75 Q and Make adjustment in sequence as described. Power supply voltage is + 9.0 + O.lV (DC jack end) unless 1 Vp-p) to the A/V IN jack (J301). Short TP502 (IC801 pin 10) to GND.
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5. Connect an oscilloscope (CHl) to the TP305 (IC301 pin 4. Connect an oscilloscope to the TP304 (IC301 Pin 36) blue output. 34) green output and (CH2) to the TP (IC301 pin 36) blue output. 6. Turn RV309 (SUB CONT B) to adjust the blue gain so CONTRAST ADJUSTMENT that the positive polarity red signal step wave coincides...
ADJUSTMENT Adjustment specification: Procedure: The figure must be within this range. Receive the TV broadcast. Also the display bars are within the range. Turn and adjust RV201 so that the snow noise is shown. Reversely turn and set RV201 to the point where the snow noise disappears.
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FM MPX VCO ADJUSTMENT 32 Q Setting: headphones jack Repeat the procedures in each adjustment several timers, and the tracking adjustments should be finally the COUNTER trimmer capacitors. ‘REQUENCY AM IF ADJUSTMENT Adjust for a maximum reading on VTVM. Start the FREQUENCY COVERAGE ADJUSTMENT from the FREQUENCY MAX.
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Adjustment Parts Location [R BOARD] [R BOARD] TRACKING) FREQUENCY COVERAGE) FREQUENCY COVERAGE) COVERAGE) [A BOARD] RV201 (AGC) SUB CONT B) A l AFr.1 RV602 (COMMON SIGNAL VOLTAGE ) (TUNING ‘U-AREA) RV301 (CONTRAST) (WHITE BALANCE SUB CONT R) CT202 (AFT) (TUNING V-AREA)
6. IC DESCRIPTION (A BOARD) N o . Pin Name Description This pin switches between the signal from the tuner block (INT), video, and signal from EXT R.G.B input pin (EXT). L : INT, H : open or EXT. The contrast of the primary color output can be adjusted by the DC voltage input CONT to this pin.
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Pin Name Description N o . The capacitance which smoothes and protects the difference of the output DC bias OUT DC DET from (VCC + VEE) /2. B OUT The inverted primary color signal is output according to the inversion signal. N .
SECTION 5 EXPLODED VIEWS N O T E : Items marked are not stocked since they are seldom required for so they may have some differences routine service. Some delay should from the original one. be anticipated when ordering these Color Indication Appearance...
SECTION 6 N O T E : . RESISTORS Due to standardization, replacements All resistors are in ohms. METAL : metal-film resistor METAL OXIDE: Metal Oxide-film resistor they are seldom required for routine service. Some delay should be anticipated PC... , YPC... , when ordering these items.
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Remarks P a r t Ref. No. N o . Description Remarks P a r t Ref. No. N o . Description 0. OluF 2 0 % 1 6 V C346 l-163-038-00 CERAMIC CHIP 0. 1uF 2 5 V C348 l-126-601-11 ELECT CHIP 1 5 0 P F C712 l-163-031-11 CERAMIC CHIP 0.
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Remarks P a r t Ref. No. N o . Description Remarks Ref. No. Part No. Description D604 8-719-400-18 DIODE MA152WK D605 8-719-800-76 DIODE lSS226 D606 8-719-800-76 DIODE lSS226 L201 l-410-369-11 INDUCTOR CHIP 1uH D701 8-719-400-18 DIODE MA152WK L202 l-410-733-11 INDUCTOR CHIP 0.22uH D702 8-719-210-39 DIODE EClOQS-04 l-410-733-11 INDUCTOR CHIP 0.22uH l-410-383-31 INDUCTOR CHIP 15uH...
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P a r t Ref. No. N o . Description Remarks Ref. No. Part No. Description Remarks Q715 8-729-907-26 TRANSISTOR IMXl R231 l-216-053-00 METAL CHIP R232 l-216-035-00 METAL CHIP R233 l-216-073-00 METAL CHIP l-216-073-00 METAL CHIP R234 l-216-049-00 METAL CHIP l-216-073-00 METAL CHIP R235 l-216-049-00 METAL CHIP l-216-049-00 METAL CHIP...
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Ref. No. Part No. Description Remarks P a r t Ref. No. N o . Description Remarks R408 l-216-298-00 METAL CHIP 2 . 2 R640 1-216-677-11 METAL CHIP l-216-069-00 METAL CHIP R641 1-216-677-11 METAL CHIP R409 l-216-069-00 METAL CHIP R642 1-216-687-11 METAL CHIP 3 3 K 0 .
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Description Remarks P a r t Ref. No. N o . Description Remarks Ref. No. Part No. A-3016-405-A R BOARD, COMPLETE l-216-057-00 METAL CHIP R827 l-216-049-00 METAL CHIP R828 l-216-049-00 METAL CHIP 3-669-480-21 + PTPWH 2 3-714-118-01 SCREW (1.7X4) R829 l-216-073-00 METAL CHIP R832 l-216-025-00 METAL CHIP 100 5% 4-040-451-01...
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Description Ref. No. Part No. Description Remarks P a r t Ref. No. N o . Remarks MISCELLANEOUS 8-759-804-98 IC LA3335M l-809-878-11 INDICATOR MODULE l-751-406-11 CABLE, FLAT (16 CORE) 1-517-125-21 GAS DISCHARGE TUBE,FLUORESCENT ANT101 l-501-608-11 ANTENNA, TELESCOPIC SP401 1-504-154-11 SPEAKER (3.6CM) l-402-594-21 ANTENNA, FERRITE-ROD (MW) l-459-435-00 COIL (WITH CORE) 1-459-726-11 COIL (WITH CORE)
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FDL- 3105 Sony Corporation Printed in Japan 9-957-905-11 Audio Group General Published by Audio...