Sony Car Stereo Xr C440e Xr C450e Xr C440 Xr C450 Manual
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– 13 – (US, Canadian model) (E, Saudi Arabia model)
– 14 – Note: Follow the disassembly procedure in the numerical order given. FRONT PANEL ASS’Y SECTION 2 DISASSEMBLY 1Push the button (release). A 2 Remove the front panel ass’y to the direction of the arrow A. COVER ASS’Y 2 1 3cover ass’y 1 2
– 15 – SUB PANEL, MECHANISM DECK5screw (PTT2.6 × 6) 6mechanism deck 4flexible flat cable (CN301) 1three screws (PTT2.6 × 8) 1three screws (PTT2.6 × 8) MAIN BOARD, HEAT SINK 2sub panel 3connector (CN302) 2two ground point screws 4nine screws (PTT2.6 × 10) 1two screws (PTT2.6 × 8) 3main board 5 heat sink 1screw (PTT2.6 × 8)
– 16 – Note: Follow the assembly procedure in the numerical order given. SECTION 3 ASSEMBLY OF MECHANISM DECK 2Install the hanger onto two claws of the housing.1Install the catch to the hanger. 7Holder the hanger by bending the claw. Apar t Bpart Cpar t Dpar t 8Hold the hanger by bending the claw. 3Put the housing under A part. 4Fit claw on B part. 6Fit projection on D part. 5Fit projection on C part. hanger HOUSING 2Move the arm (suction) in the arrow direction and fit on projection. 1Fit the arm (suction) on the shaft. projection ARM (SUCTION) housing
– 17 – 1Fit the lever (LDG-A) on shafts A – C and install it. shaft A shaft C 4type-E stop ring 2.0shaft A shaft B LEVER (LDG-A) / (LDG-B) GEAR (LDG-FT) 3Align hole in the gear (LDG-D) with hole the lever (LDG-A).gear (LDG-FB) hole gear (LDG-D) lever (LDG-A) 2Move the lever (LDG-B) in the arrow direction. 1tension spring (lever LDG) 5gear (LDG-FT) 5polyethyene washer hole shaft B 3Fit the lever (LDG-B) on shafts A and B and install it. 2Pull the lever in the arrow direction.
– 19 – SECTION 4 MECHANICAL ADJUSTMENTSSECTION 5 ELECTRICAL ADJUSTMENTS TEST MODE This set have the test mode function. In the test mode, FM Auto Scan/Stop Level and AM (MW) Auto Scan/Stop Level adjustments can be performed easier than it in ordinary procedure. 1. Set the “OFF” mode. 2. Push the preset 4 button. 3. Push the preset 5 button. 4. Press the preset 1 button for more than two seconds. 5. Then the display indicates all lights, the test mode is set. 1. Push the “OFF” button. 1. Clean the following parts with a denatured-alcohol-moistened swab: playback head pinch roller rubber belt capstan idles 2. Demagnetize the playback head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the power supply voltage unless otherwise noted. • Torque Measurement Mode Torqu Meter Meter Reading Forward CQ-403Amore than 90 g (more than 3.18 oz) Reverse CQ-403Rmore than 90 g (more than 3.18 oz) • Tape Tension Measurement Mode Torqu Meter Meter Reading Forward CQ-102C30 - 65 g·cm (0.42 - 0.90 oz·inch) Forward CQ-102C0.5 - 4.5g·cm Back Tension (0.01 - 0.06 oz·inch) Reverse CQ-102RC30 - 65 g·cm (0.42 - 0.90 oz·inch) Reverse CA-102RC0.5 - 4.5g·cm Back Tension (0.01 - 0.06 oz·inch) FF, REW CQ-201B60 - 200 g·cm (0.83 - 2.78 oz·inch)
– 20 – TUNER SECTION (XR-C450: E, Saudi Arabia model only) Cautions during repair When the tuner unit is defective, replace it by a new one because its internal block is difficult to repair. FM Auto Scan/Stop Level Adjustment Setting: SOURCE button : FM FREQUENCY SELECT switch : 10 k 0dB=1µV FM RF signal generator Carrier frequency : 97.9 MHz Output level : 22 dB (12.6 µV) Mode : mono Modulation : 1 kHz, 75 kHz deviation 0.01 µF set antenna jack (J1) Procedure: 1. Set to the test mode. (See page 19). 2. Push the SOURCE button and set to FM. Display FM SHUF1 3. Push the preset 3 button. Display FM SHUF1 4. Adjust with the volume RV2 on TU1 so that the “FM” indica- tion turns to “FM0” indication on the display window. But, in case of already indicated “FM0”, turn the RV2 so that put out light “0” indication and adjustment. Display Adjustment Location: See page 22. SHUF1 Procedure: 1. Put the set into the FWD PB mode. 2. Adjust RV231 (L-CH) and RV131 (R-CH) so that the level meter reading is –6±0.5 dB (0.37 to 0.41 V). Adjustment Location: See page 22. See the adjustment location from on page 22 for the ad- justment. 0 dB=0.775 V TAPE DECK SECTION Tape Speed Adjustment Procedure: 1. Put the set into the FWD PB mode. set+– test tape WS-48A (3 kHz, 0 dB) LINE OUT 10 kΩ speed checker or frequency counte r Speed checker Frequency counter –1.5 to +2.5% 2,955 to 3,075Hz Specification: Constant speed Adjustment Location: See page 22. DOLBY Level Adjustment Setting: Preset 3 (DOLBY) button : OFF SEL (BAS) button : Center SEL (TRE) button : Center SEL (BAL) button : Center SEL (FAD) button : Center SEL (VOL) button : Maximum D-BASS control : OFF set+– test tape P-4-D400 (400Hz, 0dB) main boardlevel metermain board TP (DOLBY ) TP (GND) L-CH: IC301 7 R-CH: IC301@¢