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SERVICE MANUAL
Ver 1.1 2001.08
Refer to RM-X2S/X3S SERVICE MANUAL (9-960-039-∏)
issued previously for information of remote commander
(RM-X2S) supplied with XR-C440.
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.
AUDIO POWER SPECIFICATIONS (US model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
12 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 1% total
harmonic distortion.
Cassette player section
Tape track
4-track 2-channel stereo
Wow and flutter
0.08% (WRMS)
Frequency response
30 – 18,000 Hz (C440/C450: US, Canadian)
30 – 20,000 Hz (C450: E, Saudi Arabia)
Signal-to-noise ratio
Cassette type
Dolby B NR
TYPE II, IV
67 dB
TYPE I
64 dB
Tuner section
FM
Tuning range
US, Canadian model:
87.5 – 107.9 MHz
E, Saudi Arabia model:
50 kHz/200 kHz switchable
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
Sony Corporation
9-925-536-12
2001H0500-1
e Vehicle Company
C 2001.8
Shinagawa Tec Service Manual Production Group
XR-C440/C450
Photo: XR-C450
SPECIFICATIONS
Antenna terminal
Intermediate frequency 10.7 MHz
Usable sensitivity
Selectivity
Signal-to-noise ratio
Harmonic distortion at 1 kHz
Dolby NR off
61 dB
Separation
58 dB
Frequency response
Capture ratio
FM/AM CASSETTE CAR STEREO
FM/MW/SW CASSETTE CAR STEREO
Canadian Model
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
External antenna connector
8 dBf
75 dB at 400 kHz
65 dB (stereo),
68 dB (mono)
0.5% (stereo),
0.3% (mono)
35 dB at 1 kHz
30 – 15,000 Hz
2 dB (C450: E, Saudi Arabia)
4 dB (C440/C450: US, Canadian)
— Continued on next page —
XR-C440/C450: US, Canadian Model
US Model
XR-C450
E Model
XR-C440/C450
NEW
MG-25C-136
XR-C450: E Model
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Table of Contents
Related Manuals for Sony XR-C440
Summary of Contents for Sony XR-C440
- Page 1 SERVICE MANUAL Ver 1.1 2001.08 Refer to RM-X2S/X3S SERVICE MANUAL (9-960-039-∏) issued previously for information of remote commander (RM-X2S) supplied with XR-C440. Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation.
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Page 2: Table Of Contents
6-1. Printed Wiring Board –Main Section– ... 23 6-2. Schematic Diagram –Main Section– ... 25 6-3. Printed Wiring Board –Key Section– (XR-C440) ... 29 6-4. Schematic Diagram –Key Section– (XR-C440) ... 31 6-5. Printed Wiring Board –Key Section– (XR-C450) ... 33 6-6. - Page 3 SECTION 1 This section is extracted from instruction manual. GENERAL (XR-C440) – 3 –...
- Page 4 (XR-C450) – 4 –...
- Page 5 (XR-C450: E, Saudi Arabia) – 5 –...
- Page 6 (XR-C440/XR-C450: E, Saudi Arabia) – 6 –...
- Page 7 (XR-C450: US, Canadian) – 7 –...
- Page 8 – 8 –...
- Page 9 (XR-C440) – 9 –...
- Page 10 – 10 –...
- Page 11 (XR-C450) (E, Saudi Arabia model) – 11 –...
- Page 12 (E, Saudi Arabia model) – 12 –...
- Page 13 (US, Canadian model) (E, Saudi Arabia model) – 13 –...
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Page 14: Disassembly
SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. FRONT PANEL ASS’Y 1 Push the button (release). 2 Remove the front panel ass’y to the direction of the arrow A . COVER ASS’Y 3 cover ass’y –... - Page 15 SUB PANEL, MECHANISM DECK 5 screw (PTT2.6 3 connector (CN302) 6 mechanism deck 4 flexible flat cable (CN301) 2 sub panel 1 three screws (PTT2.6 1 three screws (PTT2.6 4 nine screws MAIN BOARD, HEAT SINK (PTT2.6 2 two ground point screws 1 screw (PTT2.6...
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Page 16: Assembly Of Mechanism Deck
ASSEMBLY OF MECHANISM DECK Note: Follow the assembly procedure in the numerical order given. HOUSING 2 Install the hanger onto two claws of the housing. 4 Fit claw on B part. 3 Put the housing under A part. housing A part B part ARM (SUCTION) projection... - Page 17 LEVER (LDG-A) / (LDG-B) shaft A shaft B shaft C 1 Fit the lever (LDG-A) on shafts A – C and install it. GEAR (LDG-FT) gear (LDG-D) hole hole lever (LDG-A) gear (LDG-FB) 3 Align hole in the gear (LDG-D) with hole the lever (LDG-A).
- Page 18 GUIDE (C) 2 guide (C) 1 three claws – 18 –...
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Page 19: Mechanical Adjustments
SECTION 4 MECHANICAL ADJUSTMENTS 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. -
Page 20: Tape Deck Section
See the adjustment location from on page 22 for the ad- justment. TAPE DECK SECTION 0 dB=0.775 V Tape Speed Adjustment Procedure: 1. Put the set into the FWD PB mode. frequency counter test tape WS-48A (3 kHz, 0 dB) 10 k LINE OUT Specification: Constant speed... - Page 21 FM Noise Focus Adjustment Setting: SOURCE button : FM FREQUENCY SELECT switch : 10 k FM RF signal antenna jack (J1) generator 0.01 F Carrier frequency : 97.9 MHz LINE OUT Output level : 60 dB (1 mV) Mode : mono Modulation : 1 kHz, 75 kHz deviation Procedure :...
- Page 22 Adjustment Location: – SET UPPER VIEW – Tape Speed Adjustment RV131 RV231 (R-CH) (L-CH) DOLBY Level Adjustment – MAIN BOARD (CONDUCTOR SIDE) – antenna jack IC301 (XR-C450: E, Saudi Arabia model only) RV1 AM (MW) Auto Scan/Stop Level Adjustment RV2 FM Auto Scan/Stop Level Adjustment RV3 FM Noise Focus Adjustment RV4 FM Stereo Separation Adjustment TP (DOLBY R)
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Page 27: Ic Block Diagrams
IC Block Diagrams IC1 BU2624F-E2 XOUT REFERENCE PHASE DIVIDER DETECT CONTROL MAIN COUNT SHIFT PRESCALLER REGISTER LATCH IF COUNT CONTROL 20BIT COUNT IC161 LC75373ED – – – LSELO – – – – RSELO – – – IC361 MM1322XFBE FMIN AMIN IC651 RN5VD23AA-TL –... - Page 28 IC301 CXA2510AQ-T4 120 / – NR BIAS PBFB1 PBRIN1 TAPE/AUX PBREF1 TAPE EQ PBFIN1 FWD/RVS PBGND PBFIN2 PBREF2 PBRIN2 PBFB2 – + – 120 / IC671 BA3918-V2 REGULATOR OVER VOLTAGE PROTECT – 2 3 4 IC701 BA8270F-E2 + – MSMODE DRSW MODE TAPESW...
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Page 29: 6-7. Ic Pin Function Description
Data output pin (for SONY BUS) UNICKI Clock input pin (for SONY BUS) UNICKO Clock output pin (for SONY BUS) BUSON BUS ON control signal output pin (for SONY BUS) SYSRST System reset signal output pin AMPON Power amp power supply control pin AMP_MUT Power amp muting control pin. - Page 30 Pin No. Pin Name ILLON Illumination power supply control pin At PW SEL on: ACC on: “H” At PW SEL off: Power on: “H” BEEP Beep sound output pin System mutig control pin. At muting: “H” VOLCE Chip enable output pin to electrical volume SUBCE Chip enable output pin to sub volume (not used) VOLCKO...
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Page 31: Exploded Views
X-3367-636-1 LOCK ASSY 3-009-306-01 SHEET, INSULATING A-3309-720-A MAIN BOARD, COMPLETE A-3309-723-A MAIN BOARD, COMPLETE (XR-C450: E) A-3313-122-A MAIN BOARD, COMPLETE (XR-C450: EA) A-3309-877-A MAIN BOARD, COMPLETE (XR-C440) 3-915-923-01 SCREW, GROUND POINT X-3373-270-1 COVER ASSY (XR-C440) X-3373-269-1 COVER ASSY (ISO) (XR-C450) SECTION 7 EXPLODED VIEWS Items marked “*”... - Page 32 Remark 3-010-387-01 BUTTON (PRESET) (6. 1. 2. 3. 4. 5. 6. DSPL) 3-010-390-01 BUTTON (L. L. D) (PTY. AF/ TA. – DISC +) * 61 3-010-375-11 SHEET (REFLECTOR) (XR-C440) * 62 3-010-393-01 PLATE (LCD), LIGHT GUIDE * 63 3-010-394-01 HOLDER (LCD)
- Page 33 Description 3-009-301-01 BUTTON (BASS) 3-009-299-01 BUTTON (L2) (+.-) 3-009-304-01 BUTTON (RELEASE) 3-932-475-01 SPRING (RELEASE) 3-904-194-01 EMBLEM (NO. 2.5), SONY X-3373-665-1 PANEL SUB ASSY 3-009-300-01 BUTTON (SOURCE) 3-009-297-01 BUTTON (L) (+ + ). SEEK AMS. = 0 3-009-311-01 LENS not supplied...
- Page 34 (4) MECHANISM DECK SECTION (MG-25C-136) Ref. No. Part No. Description A-3291-667-A CLUTCH (FR) ASSY 3-701-437-21 WASHER * 203 3-008-883-01 LEVER (LDG-A) * 204 3-008-884-01 LEVER (LDG-B) 3-008-890-01 SPRING (LEVER LDG), TENSION 3-933-335-01 GEAR (LDG-FT) 3-341-753-11 WASHER, POLYETHYLENE 3-008-861-01 HOUSING * 209 3-008-882-01 ARM (SUCTION) 3-008-860-01 HANGER Remark...
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Page 35: Electrical Parts List
(XR-C450) LSW903 1-762-620-11 SWITCH, KEY BOARD (WITH LED) (MODE) LSW904 1-762-619-11 SWITCH, KEY BOARD (WITH LED) (+ + ) (SEEK/AMS)) (XR-C440/XR-C450: US, Canadian) LSW904 1-762-620-11 SWITCH, KEY BOARD (WITH LED) LSW905 1-762-619-11 SWITCH, KEY BOARD (WITH LED) (– = 0 (SEEK/AMS)) (XR-C440/XR-C450: US, Canadian) LSW905 1-762-620-11 SWITCH, KEY BOARD (WITH LED) LSW906 1-762-619-11 SWITCH, KEY BOARD (WITH LED) (–) - Page 36 1-216-077-00 METAL CHIP – 46 – Description Remark (XR-C450: US, Canadian) (XR-C450: E, EA) (+ (DISC/PRESET)) (XR-C440/XR-C450: US, Canadian) (+ (DISC/PRESET)) (XR-C450: E, EA) (– (DISC/PRESET)) (XR-C440/XR-C450: US, Canadian) (– (DISC/PRESET)) (XR-C450: E, EA) (XR-C440) < PILOT LAMP > < TRANSISTOR >...
- Page 37 A-3309-720-A MAIN BOARD, COMPLETE 1/10W (XR-C450: E, EA) 1/10W A-3309-723-A MAIN BOARD, COMPLETE (XR-C450: E) (XR-C450: E, EA) 1/10W (XR-C450: US, Canadian) A-3309-877-A MAIN BOARD, COMPLETE (XR-C440) 1/10W (XR-C450: E, EA) 1/10W A-3313-122-A MAIN BOARD, COMPLETE (XR-C450: EA) (XR-C440) 1/10W (XR-C450: E, EA)
- Page 38 1-163-986-00 CERAMIC CHIP 0.027uF 10% C103 1-126-160-11 ELECT C121 1-107-823-11 CERAMIC CHIP 0.47uF C121 1-164-489-11 CERAMIC CHIP 0.22uF (XR-C440/XR-C450: US, Canadian) C122 1-163-037-11 CERAMIC CHIP 0.022uF 10% (XR-C440/XR-C450: US, Canadian) C122 1-164-344-11 CERAMIC CHIP 0.068uF 10% C123 1-163-037-11 CERAMIC CHIP 0.022uF 10%...
- Page 39 8-719-049-38 DIODE 1N5404TU D602 8-719-977-69 DIODE DTZ24B D603 8-719-977-69 DIODE DTZ24B D604 8-719-105-99 DIODE RD6.2M-B1 D605 8-719-105-99 DIODE RD6.2M-B1 (XR-C440/XR-C450: E, EA) D606 8-719-988-62 DIODE 1SS355 (XR-C440/XR-C450: E, EA) D621 8-719-976-88 DIODE DTZ3.9B D622 8-719-988-62 DIODE 1SS355 D631 8-719-158-49 DIODE RD12SB2 D632 8-719-109-93 DIODE RD6.2ESB2...
- Page 40 Q701 8-729-900-53 TRANSISTOR DTC114EK – 50 – Description Remark (3216) (3216) (3216) (XR-C450) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) (3216) < COIL > (XR-C440/XR-C450: US, Canadian) < TRANSISTOR >...
- Page 41 2.2K 1-216-057-00 METAL CHIP 2.2K 1-216-073-00 METAL CHIP 1-216-073-00 METAL CHIP 1-216-061-00 METAL CHIP 3.3K 1-216-295-00 CONDUCTOR, CHIP 1-216-049-11 METAL GLAZE (XR-C440/XR-C450: US, Canadian) R101 1-216-214-00 METAL GLAZE 4.7K R102 1-216-089-00 METAL GLAZE (XR-C440/XR-C450: US, Canadian) R121 1-216-057-00 METAL CHIP 2.2K...
- Page 42 R539 1-216-097-00 METAL GLAZE 100K R540 1-216-093-00 METAL CHIP R540 1-216-097-00 METAL GLAZE 100K R541 1-216-097-00 METAL GLAZE 100K (XR-C440/XR-C450: US, Canadian) R542 1-216-198-00 METAL GLAZE R601 1-216-049-11 METAL GLAZE Remark Ref. No. Part No. 1/10W R602 1-216-129-00 METAL CHIP...
- Page 43 PARTS FOR INSTALLATION AND CONNECTIONS ************************************** 3-916-161-31 FRAME ASSY X-3370-077-1 SCREW ASSY (AE.KEY), FITTING (XR-C440/XR-C450: E, EA) 3-386-828-01 SCREW, FITTING (XR-C440/XR-C450: E, EA) 3-349-410-01 BUSHING (XR-C440/XR-C450: E, EA) (XR-C450: US, Canadian) 3-388-078-01 KEY (XR-C440/XR-C450: E, EA) 3-924-961-01 SUPPORT (ND), FITTING...
- Page 44 XR-C440/C450 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date 2001.08 1997.05 1997.01...