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Sony XR-C440 manual

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Table of contents for the manual

  • Page 1

    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 0.08% (WRMS) Frequency response 30 – 18,000 Hz (C440/C450: US, Canadian) 30 – 20,000 Hz [...]

  • Page 2

    – 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 . Notes on chip component replacement • Nev [...]

  • Page 3

    – 3 – SECTION 1 GENERAL This section is e xtracted from instruction manual. (XR-C440)[...]

  • Page 4

    – 4 – (XR-C450)[...]

  • Page 5

    – 5 – (XR-C450: E, Saudi Arabia)[...]

  • Page 6

    – 6 – (XR-C440/XR-C450: E, Saudi Arabia)[...]

  • Page 7

    – 7 – (XR-C450: US, Canadian)[...]

  • Page 8

    – 8 –[...]

  • Page 9

    – 9 – (XR-C440)[...]

  • Page 10

    – 10 –[...]

  • Page 11

    – 11 – (E, Saudi Arabia model) (XR-C450)[...]

  • Page 12

    – 12 – (E, Saudi Arabia model)[...]

  • Page 13

    – 13 – (US, Canadian model) (E, Saudi Arabia model)[...]

  • Page 14

    – 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). A 2 Remov e the front panel ass ’ y to the direction of the arrow A . CO VER ASS’Y 2 1 3 cov er ass ’ y 1 2[...]

  • Page 15

    – 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 (PTT2.6 × 10) 1 two scre ws (PTT2.6 × 8) 3 main board 5 heat sink 1 scre w (PTT2.6 ?[...]

  • Page 16

    – 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 . 3 Put the housing under A par t[...]

  • Page 17

    – 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. 1 tension spring (lev er LD[...]

  • Page 18

    – 18 – GUIDE (C) 2 guide (C) 1 three claws[...]

  • Page 19

    – 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. <Set the T est Mode> 1. Set the “OFF” mode. 2. Push the preset 4 b ut[...]

  • Page 20

    – 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 : 97.9[...]

  • Page 21

    – 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 . Display FM Noise Focus Adjustment Setting: SOURCE button : FM FREQUENCY SELECT switch : 10 k FM [...]

  • Page 22

    – 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 Separation Adjustment R V131 (R-CH) R V231 (L-CH)        DOLBY Lev el Adjustment J1 antenna jack T ape Speed Adjustment R V3 FM Noi[...]

  • Page 23

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  • Page 27

    – 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 PHASE DETECT 17 XOUT XIN CE CK DA CD P0 P1 P3 P4 PD2 SD IF2 IF1 P2 FMIN AMIN VSS PD1 VDD + – + – + – + – + – + – + – + – + – + – + ?[...]

  • Page 28

    – 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 PBGND VCT PBFIN1 PBREF1 PBRIN1 PBFB1 PBEQ2 PBOUT2 VCC TAPEIN2 AUXIN2 MSLPF LINEOUT2 TCH2 NC PLAY FF MSTC DGND MSOUT NC NRSW INSW TAPESW MSMODE DRSW MSS[...]

  • Page 29

    – 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 Station detection signal input 4 A VSS — GND 5 ST I/O Stereo detection signal input and forced monaural signal output pin 6 PLLCE O PLL chip enable o[...]

  • Page 30

    – 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. At muting: “ H ” 48 V OLCE O Chip enable output pin to electrical volume 49 SUBCE O Chip enable output pin to sub volume (not used) 50 V OLCKO O Cloc[...]

  • Page 31

    – 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) . . . (RED) ↑↑ Parts Color Cabinet's Color • Abbreviation EA: Saudi Arabia • Items marked “*” are not stock ed since they are seldom required for[...]

  • Page 32

    – 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 3-010-396-01 KNOB (D-BASS) 53 3-010-398-01 BUTTON (RELEASE) 54 3-013-272-01 SPRING (RELEASE) 55 X-3373-678-1 PANEL SUB ASSY 56 3-010-383-01 BUTTON (SO[...]

  • Page 33

    – 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) (+.-) 104 3-009-304-01 BUTTON (RELEASE) 105 3-932-475-01 SP[...]

  • Page 34

    – 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 HP901 201 A-3291-667-A CLUTCH (FR) ASSY 202 3-701-437-21 W ASHER * 203 3-008-883-01 LEVER (LDG-A) * 204 3-008-884-01 LEVER (LDG-B) 205 3-008-890-01 SP[...]

  • Page 35

    – 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. • RESISTORS All resistors are in ohms. MET AL: Metal-film resistor . MET AL OXI[...]

  • Page 36

    – 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, KEY BOARD (WITH LED) (+) (XR-C450: E, EA) LSW909 1-762-619-11 SWITCH, KEY BOARD (WITH LED) (MUTE) (XR-C440) LSW909 1-762-619-11 SWITCH, KEY BOARD (WITH [...]

  • Page 37

    – 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 MET AL GLAZE 1K 5% 1/10W R954 1-216-049-11 MET AL GLAZE 1K 5% 1/10W R955 1-216-049-11 MET AL GLAZE 1K 5% 1/10W R956 1-216-049-11 MET AL GLAZE 1K 5% 1/10[...]

  • Page 38

    – 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 0.1uF 10% 25V C21 1-163-237-11 CERAMIC CHIP 27PF 5% 50V C22 1-163-237-11 CERAMIC CHIP 27PF 5% 50V C93 1-163-251-11 CERAMIC CHIP 100PF 5% 50V C94 1-163-235-11 CERAMIC CHIP 22PF 5% 50V C95 1-163-243-11[...]

  • Page 39

    – 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 0.1uF 25V C362 1-163-038-00 CERAMIC CHIP 0.1uF 25V C364 1-126-157-11 ELECT 10uF 20% 16V C365 1-126-157-11 ELECT 10uF 20% 16V C366 1-126-934-11 ELECT 2[...]

  • Page 40

    – 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 IC361 8-759-395-97 IC MM1322XFBE IC501 8-759-461-73 IC uPD78058GC-913-3B9 IC611 8-759-369-41 IC HA13155 IC651 8-759-344-91 IC RN5VD23AA-TL IC652 8-759-363[...]

  • Page 41

    – 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 2.2 5% 1/4W R1 1-216-049-11 MET AL GLAZE 1K 5% 1/10W R2 1-216-037-00 MET AL CHIP 330 5% 1/10W (XR-C450: E, EA) R4 1-216-041-00 MET AL CHIP 470 5% 1/10W R5 1-216-105-00[...]

  • Page 42

    – 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 MET AL GLAZE 100K 5% 1/10W R514 1-216-097-00 MET AL GLAZE 100K 5% 1/10W R515 1-216-097-00 MET AL GLAZE 100K 5% 1/10W R516 1-216-097-00 MET AL GLAZE 1[...]

  • Page 43

    – 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 (32.768kHz) *****************************[...]

  • Page 44

    – 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 1.1 2001.08 Correction-1 is included 1.0 1997.05 Correction-1 1997.01 Ne w[...]