Aiwa TPM-115 Schematic

TP-M115

YUB YUB3

TP-M105

YB YBB YHB
YJB YLB

SERVICE MANUAL

MICROCASSETTE RECORDER

BASIC TAPE MECHANISM : M-187

S/M Code No. 09-003-341-9N1

DATA

SPECIFICATIONS

Track system: Micro cassette, 2 tracks 1 channel,

monaural

Usable tapes: (Normal position type)
Frequency response: 250 - 5,000 Hz (2.4 cm/sec) EIAJ
Tape speed: 2.4 cm/sec or 1.2 cm/sec switchable
Microphone: Electret condenser microphone (monaural)
Maximum output: 110 mW (EIAJ/DC)
Output jack: EARPHONE jack (monaural mini-jack) (1)
Other jack: DC 3 V jack
Speaker: Diameter 36 mm, 4 ohms
Recording system: DC bias
Erasing system: Magnet erasure
Power sources: DC 3 V using two size AA (R6) dry cell

batteries
AC house current using the AC adaptor
Aiwa AC-302

Battery life: Battery

Manganese(R6P) batteries Approx. 7 hrs.

Alkaline(LR6) batteries Approx. 24 hrs

Dimensions: 63.8 (W) x 121(H) x 25.7 (D) mm

(2 5/8 x 4 7/6 x 1 1/16 in)

Weight: Approx. 116 g (4.1 oz.) (excluding batteries)

Battry life

EIAJ Recording

• Design and specifications are subject to change without notice.

ACCESSORIES LIST

REF. NO PART NO. KANRI DESCRIPTION

1 8A-HX8-901-010 IB,YU(3L)C<115U,115U3>
1 8A-HX8-902-010 IB,YHJ(ECC)C<105YHB,105YJB>
1 8A-HX8-904-010 IB,YL(3L)C<105YLB>
1 8A-HX8-905-010 IB,Y(EGF)C<105YB>
1 8A-HX8-906-010 IB,Y(SID)C<105YB>

1 8A-HX8-907-010 IB,Y(PHNCZ)C<105YB>

NO.

2

ELECTRICAL MAIN PARTS LIST

REF. NO PART NO. KANRI DESCRIPTION

IC
85-TM5-604-010 IC,LA4165M

MAIN C.B
C1 87-010-193-080 CHIP CAPACITOR,0.033

C2 87-010-186-080 CAP,CHIP 4700P
C3 87-010-185-080 C-CAP,S 3900P-50 B
C4 87-010-082-010 CAPACITOR, 220MF 4V/87-0
C5 87-010-072-010 CAP 2.2-50V

C6 87-010-184-080 CHIP CAPACITOR 3300P(K)
C7 87-010-198-080 CAP, CHIP 0.022
C8 87-010-186-080 CAP,CHIP 4700P
C9 87-010-504-080 CAP, CHIP TANTALUM 0.47-25
C10 87-010-075-010 CAP,10U-16V H5

C11 87-010-490-010 CAP,E 0.1-50 GAS<115U,115U3>
C12 87-A10-952-080 C-CAP,TN 22-4 M A MCM<115U,115U3>
C13 87-010-082-010 CAPACITOR, 220MF 4V/87-0
C14 87-010-082-010 CAPACITOR, 220MF 4V/87-0
C15 87-010-082-010 CAPACITOR, 220MF 4V/87-0

C16 87-010-178-080 CHIP CAP 1000P
C17 87-010-505-080 CA, CHIP TANTALUM 1-16
C18 87-010-504-080 CAP, CHIP TANTALUM 0.47-25
C22 87-010-746-080 CAP, TANTAL 10-4
C23 87-010-494-010 E CAP 1-50

NO.

REF. NO PART NO. KANRI DESCRIPTION

C27 87-010-186-080 CAP,CHIP 4700P
J1 85-TM5-605-010 JACK,HSJ1456
J2 87-A60-849-010 JACK,DC DIA 2.75 BLK
LED2 8Z-HX5-601-010 LED,KM2520A01SRC001 RED
S1 8Z-HX5-602-010 SW,PUSH PS42D07

S2 87-031-816-010 SLIDE SWITCH<115U,115U3>
S3 87-031-816-010 SLIDE SWITCH
S4 87-036-343-010 SW,SL 2-2-2
S5 85-TM5-608-010 SW,LEAF LSA-1114P
S8 87-A90-826-010 SW,LEAF LSA-1114P

SFR1 85-TM5-615-010 SFR,5K V FRB-062
SFR3 87-A91-282-080 C-SFR,2.0K H RVG3S08
VR1 85-TM5-609-010 VR,RTRY 10KAX2 V

NO.

CHIP RESISTOR PART CODE

Chip Resistor Part Coding

88

A

Resistor Code

Chip resistor

Wattage Type Tolerance

1/16W 1005 5% CJ

1/16W

1/10W

1/8W

1608

2125

3216

5%

5%

5%

Symbol

CJ

CJ

CJ

Figure

Value of resistor

3

Form

L

W

Dimensions (mm)

LW t

1.0 0.5 0.35 104

t

1.6 0.8 0.45

2 1.25 0.45

1.6

0.55

3.2

Resistor Code

108

118

128

: A
: A

SCHEMATIC DIAGRAM

J2

VREF

SFR1

TAPE

SPEED

ADJ.

2.4cm

SFR3

TAPE

SPEED

ADJ.

1.2cm

<TP-M115>

VREF

VREF

HEAD

AZIMUTH

ADJ.

4