Sony XR-C5100 Service Manual
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Sony XR-C5100 Service Manual

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SERVICE MANUAL
AUDIO POWER SPECIFICATIONS (US model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
17 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
Signal-to-noise ratio
58 dB
Tuner section
FM
Tuning range
FM tuning interval:
87.5 – 107.9 MHz
(US, Canadian model)
50 kHz/200 kHz switchable
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
(E model)
Antenna terminal
External antenna connector
Intermediate frequency
10.7 MHz
Usable sensitivity
8 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
65 dB (stereo),
68 dB (mono)
Harmonic distortion at 1 kHz
0.5% (stereo),
0.3% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
Capture ratio
2 dB
MICROFILM
XR-C5100
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
AM (MW)
Tuning range
Antenna terminal
Intermediate frequency
Sensitivity
SW (E model)
Tuning range
Antenna terminal
Intermediate frequency
Sensitivity
FM/AM CASSETTE CAR STEREO
FM/MW/SW CASSETTE CAR STEREO
US Model
Canadian Model
E Model
XR-4800
MG-25F-136
AM tuning interval:
530 – 1,710 kHz
(US, Canadian model)
MW tuning interval:
9 kHz/10 kHz switchable
531–1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
(E model)
External antenna connector
10.71 MHz/450 kHz.
30 µV
SW tuning interval:
SW1: 2,940 – 7,735 kHz
SW2: 9,500 – 18,135 kHz
(except for 10,140 – 11,575 kHz)
External antenna connector
10.71 MHz/450 kHz
50 µV
– Continued on next page –
US, Canadian Model
E Model

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Summary of Contents for Sony XR-C5100

  • Page 1 XR-C5100 SERVICE MANUAL US Model Canadian Model E Model Model Name Using Similar Mechanism XR-4800 Tape Transport Mechanism Type MG-25F-136 SPECIFICATIONS AUDIO POWER SPECIFICATIONS (US model) AM (MW) POWER OUTPUT AND TOTAL HARMONIC DISTORTION Tuning range AM tuning interval: 17 watts per channel minimum continuous average power into 4 ohms, 530 –...

  • Page 2: Table Of Contents

    Power amplifier section TABLE OF CONTENTS Outputs Speaker outputs (sure seal connectors) GENERAL Speaker impedance 4 – 8 ohms Maximum power output 40 W × 4 (at 4 ohms) Location of Controls ............3 Resetting the Unit ............4 General Detaching the Front Panel ..........
  • Page 3 SECTION 1 This section is extracted from instruction manual. GENERAL – 3 –...
  • Page 4 – 4 –...
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  • Page 9: 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 10 5 screw (PTT2.6 × 6) SUB PANEL, MACHANISM DECK (MG-25F-136) 3 connector (CN351) 6 mechanism deck (MG-25F-136) 4 flexible flat cable (CN301) 2 sub panel 1 three screws (PTT2.6 × 8) 1 three screws (PTT2.6 × 8) 5 three screws (PTT2.6 ×...

  • Page 11: Assembly Of Mechanism Deck

    SECTION 3 ASSEMBLY OF MECHANISM DECK Note: Follow the assembly procedure in the numerical order given. 5 Fit projection on C part. HOUSING 7 Holder the hanger by bending the claw. 2 Install the hanger onto two claws of the housing. 1 Install the catch to the hanger.
  • Page 12 LEVER (LDG-A) / (LDG-B) shaft A shaft A shaft B shaft B shaft C 1 Fit the lever (LDG-A) on shafts A – C and install it. 3 type-E stop ring 2.0 2 Fit the lever (LDG-B) on shafts A and B and install it.
  • Page 13 GUIDE (C) 2 guide (C) 1 three claws – 13 –...

  • Page 14: Mechanical Adjustments

    SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS 1. Clean the following parts with a denatured-alcohol-moistened TEST MODE swab: This set have the test mode function. In the test mode, FM Auto playback head pinch roller Scan/Stop Level and AM (MW) Auto Scan/Stop Level adjustments rubber belt capstan can be performed easier than it in ordinary procedure.

  • Page 15: Tuner Section

    FM Noise Focus Adjustment (E model only) TUNER SECTION Setting: US/Canadian model, a tuner section is no adjustment. [SOURCE] button: FM FREQUENCY SELECT switch: FM 200 k 0 dB=1 µV FM RF signal level meter antenna jack (J1) generator Cautions during repair 0.01 µ...
  • Page 16 AM (MW) Auto Scan/Stop Level Adjustment Adjustment Location: Make this adjustment after “FM Auto Scan/Stop Level Adjustment”. Setting: – SET UPPER VIEW – [SOURCE] [MODE] button: MW FREQUENCY SELECT switch: MW 10 k Tape Speed Adjustment 30 Ω 15 pF 65 pF AM RF signal generator...

  • Page 17: Diagrams

    SECTION 6 DIAGRAMS 6-1. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC501 µPD17708GC-567-3B9 (SYSTEM CONTROLLER) Pin No. Pin Name Function AMSSEL Setting terminal for the AMS selection fixed at “L” POS3 POS2 Tape position detect input from tape operation switch on the mechanism block POS0 POS1 TAPEON...
  • Page 18 Pin No. Pin Name Function MW/SW selection signal output to the FM/AM tuner unit (TU1) “L”: MW, “H”: SW MW/SW Used for the E mode BEEP Beep sound output terminal Input of acknowledge signal for the key entry Acknowledge signal is input to accept function KEYACK and eject keys in the power off status On at input of “L”...
  • Page 19 Serial data transfer clock signal output to the bus interface (IC581) (for SONY bus) BUSON Bus on/off control signal output to the bus interface (IC581) (for SONY bus) “L”: bus on SYSRST Reset signal output to the bus interface (IC581) (for SONY bus) “L”: reset...
  • Page 23 • IC Block Diagrams – MAIN Board – IC301 CXA2509AQ-T4 24dB 120µ/70µ + – MSMODE – NR BIAS DRSW PBFB1 MODE PBRIN1 TAPE/AUX TAPESW PBREF1 INSW TAPE EQ PBFIN1 FWD/RVS PBGND MS ON/ DETECT – PBFIN2 MSOUT PBREF2 DGND PBRIN2 PBFB2 MSTC G1FB...
  • Page 24 IC351 LB1638M IC581 BA8270F-E2 N.C. BUS ON BUS ON SWITCH RESET OUT1 SWITCH BUS ON CLK IN BATTERY BATT BU IN SWITCH OUT2 VREF N.C. DATA DATA IN DATA OUT IC611 BA3918-V2 REGULATOR OVER VOLTAGE PROTECT – 2 3 4 –...

  • Page 25: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •...
  • Page 26 * 117 3-018-611-01 HOLDER (LCD) * 106 3-019-149-01 PLATE, LCD 3-009-295-01 PANEL, FRONT BACK X-3374-687-1 PANEL SUB ASSY 3-904-194-01 EMBLEM (NO. 2.5), SONY 3-016-938-01 BUTTON (SOURCE) * 120 3-024-391-01 SHEET (LCD) 3-018-658-01 BUTTON (L) (+ + ). SEEK AMS. * 121 3-024-846-01 SHEET (LCD) B = 0 -.
  • Page 27 (3) MECHANISM DECK SECTION (MG-25F-136) HP901 M901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3291-667-A CLUTCH (FR) ASSY 3-933-346-01 CATCHER * 152 3-019-130-01 LEVER (LDG-A) 3-933-344-01 GUIDE (C) * 153 3-019-131-01 LEVER (LDG-B) 3-014-798-01 SCREW (HEAD), SPECIAL 3-020-539-01 SPRING (LD-1), TENSION 3-364-151-01 WASHER 3-020-540-01 SPRING (LD-2), TENSION...

  • Page 28: Electrical Parts List

    SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference number, please include the board. parts list may be different from the parts speci- are seldom required for routine service.
  • Page 29 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R924 1-216-651-11 METAL CHIP 0.5% 1/10W 1-163-017-00 CERAMIC CHIP 0.0047uF 5% 1-164-222-11 CERAMIC CHIP 0.22uF R925 1-216-655-11 METAL CHIP 1.5K 0.5% 1/10W C101 1-163-263-11 CERAMIC CHIP 330PF R926 1-216-655-11 METAL CHIP 1.5K...
  • Page 30 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C261 1-126-160-11 ELECT C751 1-126-096-11 ELECT 10uF C262 1-109-982-11 CERAMIC CHIP C752 1-107-682-11 CERAMIC CHIP C263 1-164-182-11 CERAMIC CHIP 0.0033uF 10% C264 1-163-037-11 CERAMIC CHIP 0.022uF C754 1-124-257-00 ELECT 2.2uF C265...
  • Page 31 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D703 8-719-035-74 DIODE MA4062-M (TA) JC507 1-216-296-00 SHORT D704 8-719-035-74 DIODE MA4062-M (TA) JC509 1-216-295-00 SHORT 0 (E) JC510 1-216-295-00 SHORT D705 8-719-035-74 DIODE MA4062-M (TA) JC561 1-216-295-00 SHORT D706 8-719-035-74 DIODE MA4062-M (TA)
  • Page 32 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-180-00 RES, CHIP 1/8W R281 1-216-033-00 METAL CHIP 1/10W 1-216-073-00 METAL CHIP 1/10W R282 1-216-073-00 METAL CHIP 1/10W 1-249-413-11 CARBON 1/4W R284 1-216-129-00 METAL CHIP 2.2M 1/10W R285 1-216-089-00 RES, CHIP 1/10W...
  • Page 33 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R543 1-249-421-11 CARBON 2.2K 1/4W F781 1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A) HP901 1-500-157-21 HEAD, MAGNETIC (PLAYBACK) R544 1-216-057-00 METAL CHIP 2.2K 1/10W M901 A-3291-665-A MOTOR ASSY, MAIN (CAPSTAN/REEL) R545 1-249-429-11 CARBON 1/4W...
  • Page 34 XR-C5100 Sony Corporation 98A0536-1 9-925-684-11 Personal & Mobile Communication Company Printed in Japan © 1998. 1 – 42 – Published by Quality Assurance Dept.

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