Instruction/ maintenance manual of the product XR-C440 Sony
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Model Name Using Similar Mechanism NEW T ape T ransport Mechanism T ype MG-25C-136 US Model Canadian Model XR-C450 E Model XR-C440/C450 SERVICE MANUAL XR-C440/C450 SPECIFICA TIONS Cassette player section T ape track 4-track 2-channel stereo W ow and flutter 0.
– 2 – Flexible Cir cuit Board Repairing • Keep the tempera ture of the soldering iron around 270 ˚ C during repairing. • Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). • Be careful not to apply force on the conductor when soldering or unsoldering .
– 3 – SECTION 1 GENERAL This section is e xtracted from instruction manual. (XR-C440).
– 4 – (XR-C450).
– 5 – (XR-C450: E, Saudi Arabia).
– 6 – (XR-C440/XR-C450: E, Saudi Arabia).
– 7 – (XR-C450: US, Canadian).
– 8 –.
– 9 – (XR-C440).
– 10 –.
– 11 – (E, Saudi Arabia model) (XR-C450).
– 12 – (E, Saudi Arabia model).
– 13 – (US, Canadian model) (E, Saudi Arabia model).
– 14 – Note: Follow the disassembly procedure in the numerical order given. FRONT P ANEL ASS’Y SECTION 2 DISASSEMBL Y 1 Push the button (release).
– 15 – SUB P ANEL, MECHANISM DECK 5 scre w (PTT2.6 × 6) 6 mechanism deck 4 flexib le flat cable (CN301) 1 three screws (PTT2.6 × 8) 1 three screws (PTT2.6 × 8) MAIN BO ARD, HEA T SINK 2 sub panel 3 connector (CN302) 2 two ground point screws 4 nine scre ws (PTT2.
– 16 – Note: Follow the assembly procedure in the numerical order given. SECTION 3 ASSEMBL Y OF MECHANISM DECK 2 Install the hanger onto two cla ws of the housing. 1 Install the catch to the hanger . 7 Holder the hanger by bending the cla w . A par t B par t C par t D par t 8 Hold the hanger by bending the claw .
– 17 – 1 Fit the lev er (LDG-A) on shafts A – C and install it. shaft A shaft C 4 type-E stop ring 2.0 shaft A shaft B LEVER (LDG-A) / (LDG-B) GEAR (LDG-FT) 3 Align hole in the gear (LDG-D) with hole the lev er (LDG-A). gear (LDG-FB) hole gear (LDG-D) lev er (LDG-A) 2 Mov e the lever (LDG-B) in the arrow direction.
– 18 – GUIDE (C) 2 guide (C) 1 three claws.
– 19 – SECTION 4 MECHANICAL ADJUSTMENTS SECTION 5 ELECTRICAL ADJUSTMENTS TEST MODE This set hav e the test mode function. In the test mode, FM A uto Scan/Stop Lev el and AM (MW) Auto Scan/Stop Le vel adjustments can be performed easier than it in ordinary procedure.
– 20 – TUNER SECTION (XR-C450: E, Saudi Arabia model only) Cautions during repair When the tuner unit is defectiv e, replace it by a ne w one because its internal block is diff icult to repair . FM Auto Scan/Stop Le vel Adjustment Setting: SOURCE button : FM FREQUENCY SELECT switch : 10 k 0dB=1µV FM RF signal generator Carrier frequency : 97.
– 21 – AM (MW) A uto Scan/Stop Level Adjustment Setting: SOURCE and MODE button : MW FREQUENCY SELECT switch : 10 k Procedur e: 1. Set to the test mode. (See page 19.) 2. Push the SOURCE button and set to FM. 3. Push the MODE b utton and set to MW .
– 22 – Adjustment Location: – SET UPPER VIEW – – MAIN BO ARD (CONDUCTOR SIDE) – TU1 R V1 AM (MW) Auto Scan/Stop Le vel Adjustment R V2 FM Auto Scan/Stop Le vel Adjustment R V4 FM Stereo Se.
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– 37 – • IC Block Diagrams IC1 BU2624F-E2 1 2 3 4 5 6 7 8 9 10 20 19 18 15 14 13 12 11 16 20BIT COUNT IF COUNT CONTROL SHIFT REGISTER LATCH MAIN COUNT PRESCALLER I/O CONTROL REFERENCE DIVIDER PH.
– 38 – IC301 CXA2510A Q-T4 + – + – + – + – + – 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 26 27 28 29 30 31 32 33 34 37 38 39 40 24 25 PBFB2 PBRIN2 PBREF2 PBFIN2 35 36 P.
– 39 – 6-7. IC PIN FUNCTION DESCRIPTION MAIN BO ARD IC501 µPD78058GC-913-3B9 (SYSTEM CONTROL) 1 DSEL I Destination setting pin 2 RC_IN0 I Rotary remote commander input pin (A/D input) 3 SD_IN I S.
– 40 – 45 ILLON O Illumination po wer supply control pin At PW SEL on: A CC on: “ H ” At PW SEL of f: Power on: “ H ” 46 BEEP O Beep sound output pin 47 MUT O System mutig control pin.
– 41 – NO TE: • -XX and -X mean standardized parts, so they may hav e some differ ence from the original one. • Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) .
– 42 – (2) FRONT P ANEL SECTION (XR-C440) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 53 51 58 57 59 56 54 55 60 LCD901 61 63 62 #5 #5 64 not supplied (KEY board) 51 .
– 43 – (3) FRONT P ANEL SECTION (XR-C450) 104 105 103 110 111 112 SONY 106 107 109 108 115 114 LCD901 not supplied (KEY board) #5 #5 101 116 PL904 PL903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 101 3-009-301-01 BUTTON (BASS) 103 3-009-299-01 BUTTON (L2) (+.
– 44 – (4) MECHANISM DECK SECTION (MG-25C-136) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 209 210 #6 205 206 204 203 #7 202 202 201 217 216 A 215 214 M901 212 A 213 .
– 45 – NO TE: • Due to standardization, replacements in the parts list may be different from the parts speci- fied in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may have some dif ference from the original one.
– 46 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LSW908 1-762-619-11 SWITCH, KEY BOARD (WITH LED) (+) (XR-C440/XR-C450: US, Canadian) LSW908 1-762-620-11 SWITCH, KE.
– 47 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN KEY R951 1-216-041-00 METAL CHIP 470 5% 1/10W R952 1-216-109-00 MET AL CHIP 330K 5% 1/10W R953 1-216-049-11 ME.
– 48 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C19 1-126-157-11 ELECT 10uF 20% 16V C20 1-164-004-11 CERAMIC CHIP 0.
– 49 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN C335 1-164-232-11 CERAMIC CHIP 0.01uF 50V C336 1-126-157-11 ELECT 10uF 20% 16V C361 1-163-038-00 CERAMIC CHIP 0.
– 50 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > IC1 8-759-448-84 IC BU2624F-E2 IC161 8-759-443-67 IC LC75373ED IC301 8-752-079-79 IC CXA2510AQ-T4 IC36.
– 51 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q702 8-729-027-38 TRANSISTOR DTA144EKA-T146 (XR-C450) < RESISTOR > JW15 1-247-767-00 CARBON 2.
– 52 – Ref. No. Part No. Description Remark R510 1-216-097-00 MET AL GLAZE 100K 5% 1/10W R511 1-216-097-00 MET AL GLAZE 100K 5% 1/10W R512 1-216-097-00 MET AL GLAZE 100K 5% 1/10W R513 1-216-097-00.
– 53 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN TU1 A-3282-034-A TUNER UNIT TUX-010 (E) (XR-C440/XR-C450: US, Canadian) < VIBRA TOR > X1 1-577-126-51 VIBRA TOR, CRYST AL (7.2MHz) X501 1-579-233-11 VIBRA TOR, CERAMIC (5MHz) X502 1-567-098-41 VIBRA TOR, CRYST AL (32.
– 54 – XR-C440/C450 REVISION HIST OR Y Clicking the version allo ws you to jump to the re vised page. Also, clicking the v ersion at the upper right on the re vised page allo ws you to jump to the next re vised page. V er . Date Description of Revision 1.
An important point after buying a device Sony XR-C440 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sony XR-C440 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sony XR-C440 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sony XR-C440 you will learn all the available features of the product, as well as information on its operation. The information that you get Sony XR-C440 will certainly help you make a decision on the purchase.
If you already are a holder of Sony XR-C440, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sony XR-C440.
However, one of the most important roles played by the user manual is to help in solving problems with Sony XR-C440. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sony XR-C440 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
