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TCM-16

5-2.  BLOCK DIAGRAM

— 7 —

— 8 —

 • Signal Path

: PB

: REC

: MIC

K

+

+

+

+

+

15

1

16

3

6

8

4

3

4

5

6

9

14

11

M

RV601

TAPE SPEED

M901

(LOADING)

D401

(BATT)

IC601

SERVO

REF

VOLTAGE

+B

S601

PAUSE

+B

DRY BATTERY

SIZE "AA"

2PCS   3V

S102

(POWER SW)

ALC

IC101

PRE/POWER AMP, ALC

HRP901

HE901

MIC901

S101 (1/4)

(PB      REC)

S101 (2/4)

(PB      REC)

S101 (3/4)

(PB      REC)

S101 (4/4)

(PB      REC)

RV101

VOL

SP901

(SPEAKER) 

J102

EAR

(PB/REC)

(ERASE)

MIC

+

16

HEAD

OFF        ON

K

K

Summary of Contents for Pressman TCM-16

Page 1: ...cy range 250 6 300 Hz Speaker Approx 3 6 cm 1 7 16 in dia Power output at 10 harmonic distortion 130 mW Output Earphone jack minijack for 8 300Ω earphone Power requirements 3 V DC batteries R6 AA 2 Dimensions w h d incl projecting parts and controls Approx 112 36 6 90 3 mm 4 1 2 1 1 2 3 5 8 in Mass not incl batteries Approx 180 g 6 4 oz Design and specifications are subject to change without notic...

Page 2: ...NERAL 2 2 DISASSEMBLY 2 1 Lid Sub Assy Cassette 3 2 2 Main Board Mechanism Deck 3 2 3 Belt 4 2 4 Head Magnetic Pinch Roller 4 3 MECHANICAL ADJUSTMENT 5 4 ELECTRICAL ADJUSTMENT 5 5 DIAGRAMS 5 1 IC Block Diagram 6 5 2 Block Diagram 7 5 3 Schematic Diagram 9 5 4 Printed Wiring Board 11 6 EXPLODED VIEWS 6 1 Cabinet Section 13 6 2 Mechanism Deck Section 1 MT 323 118 14 6 3 Mechanism Deck Section 2 MT 3...

Page 3: ...TTE 2 2 MAIN BOARD MECHANISM DECK 4 two cords SP901 6 spring cassette 5 lid sub assy cassette four claws claw 3 cabinet rear 2 screw IB LOCK 1 three screws B1 7 9 8 mechanism deck 6 main board 4 cord HRP901 5 two cords MIC901 3 two cords M901 1 screw 1 7 2 screw M1 4 7 three screws IB LOCK Lid Sub Assy Cassette Main Board Mechanism Deck Belt Set Head Magnetic Pinch Roller ...

Page 4: ...EC lever 2 4 HEAD MAGNETIC PINCH ROLLER INSTALLATION MAIN BOARD On installation MAIN board adjust to the S101 and the REC lever 8 screw M1 4 6 head magnetic HRP901 3 pinch roller 2 4 screw 1 4 5 screw M1 4 3 8 9 head magnetic HE901 1 lever pinch roller 7 spring azimuth compression ...

Page 5: ...may appear but take the maximum Adjustment Location Tape Speed Adjustment Procedure 1 PlaybackWS 48A tape center part in the FWD state and adjust RV601 so that the frequency counter reading becomes 3 000 Hz Specification Value 2 Check that frequency counter reading is within 2 of reading of step 1 Digital frequency counter 2 970 to 3 030 Hz Type WS 48A P 4 A063 Signal 3 kHz 0 dB 6 3 kHz 10dB Used ...

Page 6: ...ly from battery terminal Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark PLAY REC Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production toler ances Voltage variations may be noted due to normal production toler ances Signal path E PB a REC F MIC Note on Printed Wiring Board Y parts extracted from...

Page 7: ...TAPE SPEED M901 LOADING D401 BATT IC601 SERVO REF VOLTAGE B S601 PAUSE B DRY BATTERY SIZE AA 2PCS 3V S102 POWER SW ALC IC101 PRE POWER AMP ALC HRP901 HE901 MIC901 S101 1 4 PB REC S101 2 4 PB REC S101 3 4 PB REC S101 4 4 PB REC RV101 VOL SP901 SPEAKER J102 EAR PB REC ERASE MIC 16 HEAD OFF ON K K ...

Page 8: ...TCM 16 5 3 SCHEMATIC DIAGRAM 9 10 See page 6 for IC Block Diagram ...

Page 9: ...TCM 16 5 4 PRINTED WIRING BOARD Ref No Location D401 F 11 IC101 D 8 IC601 C 5 Semiconductor Location 11 12 16 1 2 A B C D E F G 3 4 5 6 7 8 9 10 11 12 ...

Page 10: ... 3 019 363 41 CABINET FRONT 15 3 924 739 01 SPRING CASSETTE 16 X 3379 561 1 LID SUB ASSY CASSETTE 17 3 924 757 01 BRACKET SPEAKER 18 X 3375 808 1 LID BLOCK ASSY BATTERY CASE 19 4 017 441 01 CUSHION B 20 3 924 747 11 KNOB PAUSE 21 3 318 203 92 SCREW B1 7X9 TAPPING 22 3 019 442 01 CABINET REAR 23 3 831 441 99 SPACER KNOB 24 3 831 441 11 CUSHION B 25 3 366 890 51 SCREW IB LOCK MIC901 1 542 136 11 MIC...

Page 11: ... 3 019 363 41 CABINET FRONT 15 3 924 739 01 SPRING CASSETTE 16 X 3379 561 1 LID SUB ASSY CASSETTE 17 3 924 757 01 BRACKET SPEAKER 18 X 3375 808 1 LID BLOCK ASSY BATTERY CASE 19 4 017 441 01 CUSHION B 20 3 924 747 11 KNOB PAUSE 21 3 318 203 92 SCREW B1 7X9 TAPPING 22 3 019 442 01 CABINET REAR 23 3 831 441 99 SPACER KNOB 24 3 831 441 11 CUSHION B 25 3 366 890 51 SCREW IB LOCK MIC901 1 542 136 11 MIC...

Page 12: ...3 SPRING FR TORSION 109 3 924 629 01 LEVER DETECTION 110 3 925 207 01 SPRING S OFF TENSION 111 3 924 630 01 LEVER S OFF 112 X 3370 387 8 LEVER ASSY IDLER 113 3 924 682 01 BELT FR 114 X 3370 385 1 PULLEY FR ASSY 115 3 924 628 0 LEVER FR 116 3 924 633 01 SPRING STOP TENSION 117 3 924 622 03 LEVER STOP 118 3 045 541 01 SPRING PR3 TORSION 119 3 924 684 01 SPRING LOCK PLATE TENSION 120 3 924 619 06 LEV...

Page 13: ...IC CHIP 0 001uF 10 50V C119 1 126 154 11 ELECT 47uF 20 6 3V C121 1 164 361 11 CERAMIC CHIP 0 047uF 16V C122 1 164 156 11 CERAMIC CHIP 0 1uF 25V C123 1 124 434 00 ELECT 220uF 20 00 4V C124 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C125 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C127 1 164 156 11 CERAMIC CHIP 0 1uF 25V C603 1 115 156 11 CERAMIC CHIP 1uF 10V C604 1 164 156 11 CERAMIC CHIP 0 1uF 25V DIOD...

Page 14: ...16W R603 1 216 841 11 METAL CHIP 47K 5 1 16W R605 1 216 821 11 METAL CHIP 1K 5 1 16W R607 1 216 831 11 METAL CHIP 6 8K 5 1 16W VARIABLE RESISTOR RV101 1 225 597 11 RES VAR CARBON 10K VOL RV601 1 238 663 11 RES ADJ CARBON 4 7K SWITCH S102 1 572 688 11 SWITCH PUSH 1 KEY POWER S601 1 572 922 11 SWITCH SLIDE PAUSE THERMISTOR TH601 1 809 354 11 THERMISTOR NTC 2125 THERMISTOR POSITIVE THP601 1 810 007 1...

Page 15: ... 18 TCM 16 Sony Corporation Audio Entertainment Group 2000L1619 1 Printed in Japan 2000 12 Published by General Engineering Dept 9 873 046 31 ...

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