Sony TC-SP55 Service Manual
Sony TC-SP55 Service Manual

Sony TC-SP55 Service Manual

Stereo cassette deck
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3 7 63 1515 0
SERVICE MANUAL
TC-SP55 is the deck section in CMT-SP55TC,
and TC-SP55 is sold in the option as a tape
deck of CMT-SP55MD.
TE
L 13942296513
www
.
http://www.xiaoyu163.com
Recording system
Frequency response
General
Dimensions (w/h/d) incl. projecting parts and controls
Mass
Supplied accessory
Design and specifications are subject to change without notice.
x
ao
u163
y
i
http://www.xiaoyu163.com
TC-SP55
2 9
8
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
Q Q
SPECIFICATIONS
3
6 7
1 3
1 5
4-track 2-channel stereo
(DOLBY NR OFF)
40 – 14,000 Hz (±3 dB)
using Sony TYPE I cassettes
40 – 15,000 Hz (±3 dB),
using Sony TYPE II cassettes
Approx. 202 x 101 x 283 mm
Approx. 1.9 kg
System cable (1)
STEREO CASSETTE DECK
co
.
9 4
2 8
AEP Model
UK Model
E Model
NEW
CMAL2Z720A
0 5
8
2 9
9 4
2 8
m
9 9
9 9
1

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Summary of Contents for Sony TC-SP55

  • Page 1 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model E Model TC-SP55 is the deck section in CMT-SP55TC, and TC-SP55 is sold in the option as a tape deck of CMT-SP55MD. Model Name Using Similar Mechanism Tape Transport Mechanism Type CMAL2Z720A SPECIFICATIONS...
  • Page 2: Table Of Contents

    LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. http://www.xiaoyu163.com...
  • Page 3: Servicing Note

    This unit cannot be repaired by itself. When repairing, connect the whole system except for the speaker. Cold Reset • When the AC cord is removed, COLD RESET is done with TC-SP55. ST Test Mode Procedure : 1. When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and PLAY MODE buttons (CDP) together.
  • Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 Aging Mode • Mode for repeating operations of the CD player and TC deck automatically. When errors occur: Aging stops and a message indicating that an error has occurred such as “CD MEC ERR” is displayed. (For details of errors, refer to “Error History Display Mode”.) When no errors occur: Aging is repeatedly performed.
  • Page 5: General

    http://www.xiaoyu163.com SECTION 2 3 7 63 1515 0 GENERAL CD SYNC REC button M L button L 13942296513 CD SYNC REC indicator l m button z REC button s button z REC indicator S button h indicator H button H indicator h button S indicator DIRECTION button...
  • Page 6: Disassembly

    http://www.xiaoyu163.com SECTION 3 DISASSEMBLY 3 7 63 1515 0 Case Front Panel Assy Mechanism Assy (Page 7) Main Board (Page 7) Pinch Roller BLK Assy, Belt (Page 8) Note: Follow the disassembly procedure in the numerical order given. 4 case 3-1.
  • Page 7: Mechanism Assy

    http://www.xiaoyu163.com 3 7 63 1515 0 3-3. MECHANISM ASSY 3 mechanism assy 2 two screws 2 two screws (BVTP 3x10) (BVTP 3x10) 1 connector (CN101) 1 connector (CN601) 1 connector (CN602) L 13942296513 3-4. MAIN BOARD 4 three screws (BVTP 3x8) 5 main board 1 three screws (BVTP 3x8)
  • Page 8: Pinch Roller Blk Assy, Belt

    http://www.xiaoyu163.com 3 7 63 1515 0 3-5. PINCH ROLLER BLK ASSY, BELT 6 pinch roller BLK L assy belt main 4 pinch roller BLK R assy 2 mechanism deck 5 claw 3 claw 1 two screws 7 belt main 1 two screws L 13942296513 F/R belt 8 F/R belt...
  • Page 9: Test Mode

    3 7 63 1515 0 4-1. TEST MODE FOR NOT CONNECTING THE WHOLE SYSTEM (When connecting TA-SP55,ST-SP55,TC-SP55) 4-1-1. SETTING THE TEST MODE Procedure: 1. When the power ON, press the ?/1 button (TA) while pressing the s button (TC) and CD SYNC REC buttons (TC) together.
  • Page 10 http://www.xiaoyu163.com 3 7 63 1515 0 4-2. TEST MODE FOR CONNECTING THE WHOLE SYSTEM 4-2-1. TC Aging Mode (Connecting The Whole System) • Mode for repeating operations of the CD player and TC deck automatically. When errors occur: Aging stops and a message indicating that an error has occurred such as “CD MEC ERR” is displayed. (For details of errors, refer to “Error History Display Mode”.) When no errors occur: Aging is repeatedly performed.
  • Page 11: Mechanical Adjustments

    http://www.xiaoyu163.com SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 Precaution 0 DB=0.775V 1. Clean the following parts with a denatured alcohol-moistened swab: Note: Before starting the adjustment, measure performance of the record/playback heads pinch rollers machine.
  • Page 12 http://www.xiaoyu163.com 3 7 63 1515 0 3. Phase check Playback Level Adjustment Model: FWD playback Procedure: test tape Mode: FWD playback P-4-A100 oscilloscope (10kHz, –10dB) test tape 47kW L-CH P-4-L300 (315Hz, 0dB) level meter R-CH 47kW AUX OUT AUX OUT (on ST-SP55) (on ST-SP55) 4.
  • Page 13 http://www.xiaoyu163.com 3 7 63 1515 0 Record Level Adjustment Procedure: 1. Record mode. AUX IN (on ST-SP55) 315Hz 50 mV (–23.8 dB) AF OSC blank tape 600 Ω CS-123 attenuator 2. Playback mode. recorded level meter position AUX OUT (on ST-SP55) 3.
  • Page 14: Diagrams

    http://www.xiaoyu163.com SECTION 7 DIAGRAMS 3 7 63 1515 0 THIS NOTE IS COMMON FOR PRINTED WIRING • Indication of transistor BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) These are omitted. For schematic diagrams. Note: •...
  • Page 15: Block Diagram

    TC-SP55 3 7 6 3 1 5 1 5 0 7-1. BLOCK DIAGRAM IC401 DDOLBY NR 28 27 PB-A/B CN701 PB OUT TC-L LM ON/ TC.M R-CH TC-R TAPE MECHANISM ASSY DOLBY NR CMAL2Z720A NORM/ HIGH RV211 DOLBY NR ON/...
  • Page 16: Schematic Diagram - Main Section

    TC-SP55 3 7 6 3 1 5 1 5 0 7-2. SCHEMATIC DIAGRAM – MAIN SECTION – • See page 14 for Waveforms. • See page 19 for IC Pin Functions. • See page 20 for IC Block Diagrams.
  • Page 17: Printed Wiring Board - Main Section

    TC-SP55 3 7 6 3 1 5 1 5 0 7-3. PRINTED WIRING BOARD – MAIN SECTION – • Semiconductor Location Ref. No. Location D601 D602 D603 D604 D611 D621 D622 D623 D624 D701 IC101 IC201 IC401 IC601 IC602...
  • Page 18: Schematic Diagram - Panel Section

    TC-SP55 3 7 6 3 1 5 1 5 0 7-4. SCHEMATIC DIAGRAM – PANEL SECTION – 7-5. PRINTED WIRING BOARD – PANEL SECTION – 1 3 9 4 2 2 9 6 5 1 3 • Semiconductor Location Ref.
  • Page 19: Ic Pin Functions

    http://www.xiaoyu163.com 3 7 63 1515 0 7-6. IC PIN FUNCTIONS • IC701 M38513M4-C59FP SYSTEM CONTROL (MAIN BOARD) Pin No. Pin Name Function — Power supply.(+5V) VREF — Analog Reference Voltage. AVSS — Ground. — Not used. — Not used. P.DOWN POWER DOWN signal control signal input.
  • Page 20: Ic Block Diagrams

    http://www.xiaoyu163.com 3 7 63 1515 0 7-7. IC BLOCK DIAGRAMS IC101 µPC1330HA (MAIN BOARD) INVERTER COMPARATER SW R1 SW P1 CONT SW P2 SW R2 IC601 LB1641 (MAIN BOARD) T.S.D O.C.P MOTOR MOTOR DRIVE DRIVE FWD/REV/STOP L 13942296513 CONTROL LOGIC u163 http://www.xiaoyu163.com...
  • Page 21: Exploded View

    http://www.xiaoyu163.com SECTION 8 EXPLODED VIEW 3 7 63 1515 0 NOTE: • -XX and -X mean standardized parts, so they • Hardware (# mark) list is given in the last of The components identified by mark 0 or dotted line with mark the electrical parts list.
  • Page 22: Electrical Parts List

    http://www.xiaoyu163.com SECTION 9 MAIN ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 23 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D603 8-719-911-19 DIODE 1SS133T-72 R312 1-249-433-11 CARBON 1/4W D604 8-719-210-21 DIODE 11EQS04-NTA2B R361 1-249-430-11 CARBON 1/4W D611 8-719-947-16 DIODE MTZJ-T-72-5.1A R362 1-249-433-11 CARBON 1/4W D621...
  • Page 24 TC-SP55 MAIN PANEL 3 7 63 1515 0 Ref. No. Ref. No. Part No. Part No. Description Description Remark Remark Ref. No. Ref. No. Part No. Part No. Description Description Remark Remark < VARIABLE RESISTOR > ACCESSORIES & PACKING MATERIALS...

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