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Pioneer CT-110 - User Manual

Pioneer CT-110
36 pages
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ORDER NO.
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STEREO CASSETTE TAPE DECK
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Summary

SPECIFICATIONS

FRONT PANEL FACILITIES

POWER SWITCH

Controls power on/off and activates muting circuit.

EJECT BUTTON

Opens and closes the cassette holder for tape access.

FUNCTION SWITCHES

Buttons for tape operation: REC, REW, PLAY, FF, STOP, Pause.

TAPE SELECTOR SWITCHES

Selects bias and equalization for NORM, CrO2, METAL tapes.

DOLBY NR SWITCH

Activates the Dolby noise reduction system.

MIC JACKS

Input jacks for connecting microphones for recording.

INPUT LEVEL CONTROL

Adjusts input signal level for recording.

LEVEL INDICATORS

Displays input/output signal levels during recording/playback.

CIRCUIT DESCRIPTIONS

PLAYBACK CIRCUIT

Amplifies and equalizes audio signals during playback.

RECORDING CIRCUIT

Processes input signals and amplifies them for recording.

CONTROL CIRCUIT

Manages deck operations using IC PM9002B and auto-stop function.

BLOCK DIAGRAM

DISASSEMBLY

Remove the bonnet

Procedure for removing the top cover of the unit.

Remove the cassette door

Steps to detach the cassette door from the unit.

Remove Volume Assembly

Steps to remove the volume control and panel assembly.

Remove Counter

Procedure for removing the tape counter unit.

Remove Display Assembly

Steps to detach the display assembly from the front panel.

Remove Front Panel Assembly

Procedure for removing the entire front panel assembly.

Remove Mechanical Assembly

Instructions for removing the main mechanical drive system.

PARTS LOCATION

Front Panel View

Diagram showing parts and their locations on the front panel.

EXPLODED VIEWS AND PARTS LIST

ELECTRICAL PARTS LIST

PACKING

P.C. BOARDS CONNECTION DIAGRAM

SCHEMATIC DIAGRAM

ADJUSTMENTS

Pinch Roller Pressure Adjustment

Adjusts pinch roller pressure for proper tape contact.

Reel Base Torque Adjustment

Measures and adjusts torque for supply and take-up reel bases.

Tape Speed Adjustment

Adjusts tape playback speed using a variable resistor.

FF Solenoid Adjustment

Adjusts the position of the FF solenoid for correct operation.

REW Solenoid Adjustment

Adjusts the position of the REW solenoid for correct operation.

DOLBY NR Level Adjustment

Sets the Dolby NR level for accurate noise reduction during playback.

Head Azimuth Adjustment

Aligns the playback head for optimal high-frequency response.

Playback Level Adjustment

Sets the playback signal output level for each channel.

Playback Equalization Check

Verifies playback frequency response across different tape types.

Level Meter Check

Checks the accuracy and response of the level meter segments.

Record;Playback Frequency Response Adjustment

Adjusts recording and playback frequency response for optimal sound.

Summary

SPECIFICATIONS

FRONT PANEL FACILITIES

POWER SWITCH

Controls power on/off and activates muting circuit.

EJECT BUTTON

Opens and closes the cassette holder for tape access.

FUNCTION SWITCHES

Buttons for tape operation: REC, REW, PLAY, FF, STOP, Pause.

TAPE SELECTOR SWITCHES

Selects bias and equalization for NORM, CrO2, METAL tapes.

DOLBY NR SWITCH

Activates the Dolby noise reduction system.

MIC JACKS

Input jacks for connecting microphones for recording.

INPUT LEVEL CONTROL

Adjusts input signal level for recording.

LEVEL INDICATORS

Displays input/output signal levels during recording/playback.

CIRCUIT DESCRIPTIONS

PLAYBACK CIRCUIT

Amplifies and equalizes audio signals during playback.

RECORDING CIRCUIT

Processes input signals and amplifies them for recording.

CONTROL CIRCUIT

Manages deck operations using IC PM9002B and auto-stop function.

BLOCK DIAGRAM

DISASSEMBLY

Remove the bonnet

Procedure for removing the top cover of the unit.

Remove the cassette door

Steps to detach the cassette door from the unit.

Remove Volume Assembly

Steps to remove the volume control and panel assembly.

Remove Counter

Procedure for removing the tape counter unit.

Remove Display Assembly

Steps to detach the display assembly from the front panel.

Remove Front Panel Assembly

Procedure for removing the entire front panel assembly.

Remove Mechanical Assembly

Instructions for removing the main mechanical drive system.

PARTS LOCATION

Front Panel View

Diagram showing parts and their locations on the front panel.

EXPLODED VIEWS AND PARTS LIST

ELECTRICAL PARTS LIST

PACKING

P.C. BOARDS CONNECTION DIAGRAM

SCHEMATIC DIAGRAM

ADJUSTMENTS

Pinch Roller Pressure Adjustment

Adjusts pinch roller pressure for proper tape contact.

Reel Base Torque Adjustment

Measures and adjusts torque for supply and take-up reel bases.

Tape Speed Adjustment

Adjusts tape playback speed using a variable resistor.

FF Solenoid Adjustment

Adjusts the position of the FF solenoid for correct operation.

REW Solenoid Adjustment

Adjusts the position of the REW solenoid for correct operation.

DOLBY NR Level Adjustment

Sets the Dolby NR level for accurate noise reduction during playback.

Head Azimuth Adjustment

Aligns the playback head for optimal high-frequency response.

Playback Level Adjustment

Sets the playback signal output level for each channel.

Playback Equalization Check

Verifies playback frequency response across different tape types.

Level Meter Check

Checks the accuracy and response of the level meter segments.

Record;Playback Frequency Response Adjustment

Adjusts recording and playback frequency response for optimal sound.

Pioneer CT-110 Specifications

General IconGeneral
Track System4-track, 2-channel stereo
Tape Speed4.8 cm/s
Total Harmonic Distortion1.0%
Output0.5V (line)
TypeCassette Deck
MotorDC servo motor
Frequency Response30Hz to 16kHz
Signal-to-Noise Ratio58dB
InputLine in
Dimensions420 x 120 x 300 mm

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