Aiwa TP-M725 User manual

BASIC TAPE MECHANISM : ML-810
MICROCASSETTE RECORDER
TP-M725
TP-M525
S/M Code No. 09-003-343-4R1
Y(S)
YH(S),Y(S),YL(S)
SERVICE MANUAL
REVISION
DATA
This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
TP-M725 Y<S>(S/M Code No.09-003-343-4T1)
TP-M525 YH<S>,Y<S>,YL<S> (S/M Code No.09-003-343-5T1) .
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

2
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ACCESSORIES LIST
1 8A-HX4-903-010 IB,YH(ECK)C<5YHS>
1 8A-HX4-905-010 IB,Y(EGF)C<5YS>
1 8A-HX4-906-010 IB,Y(SID)C<5YS>
1 8A-HX4-907-010 IB,Y(PHNCZ)C<5YS>
1 8A-HX4-904-010 IB,YL(3L)C<5YLS>
1 8A-HX3-905-010 IB,Y(EGF)C<7YSC>
1 8A-HX3-906-010 IB,Y(SID)C<7YSC>
1 8A-HX3-907-010 IB,Y(PHNCZ)C<7YSC>
2 87-PD3-050-010 STRAP,HAND<EXCEPT 7YSC>
2 87-PD3-050-010 STRAP,HAND<7YSC>
3 87-048-286-010 HP-255 NS<7YSC>
4 84-TM1-951-010 CARRYING CASE<5YHS,5YLS>
4 84-TM1-951-010 CARRYING CASE<7YSC>
5 S2-301-020-100 RC,4TM1<7YSC>
SPECIFICATIONS
• Design and specifications are subject to change without notice.
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
Microphone: Electret condenser microphone (monaural)
Maximum output: 150 mW (EIAJ/DC)
Input jack: EXT MIC jack (monaural mini-jack) (1)
Output jack: EARPHONE jack (monaural mini-jack) (1)
Other jack: DC 3 V jack
Speaker: Diameter 36 mm, 8 ohms
Recording system: DC bias
Erasing system: DC erasure
Recording speed: 2.4 cm/sec or 1.2 cm/sec switchable
Power sources: DC 3 V using two (size AA) dry cell batteries
AC house current using the AC adaptor
Aiwa AC-300/302 [Y(S)]
Aiwa AC-620/302 [YH(S), YL(S)]
Battery life: Battery
Manganese(R6P) batteries Approx. 6 hrs. Approx. 5 hrs.
Alkaline(LR6) batteries Approx. 17 hrs. Approx. 15 hrs.
Dimensions: 62 (W) x 119(H) x 29 (D) mm
(2 1/2x 4 3/4x 1 3/16 in)
Weight: Approx. 132 g (4.6 oz.) (excluding batteries)
Battry life
EIAJ Recording EIAJ 10 mW
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

43
88
A
Resistor Code
Chip Resistor Part Coding
Figure
Value of resistor
Chip resistor
Wattage Type Tolerance
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
CJ
CJ
CJ
Form
LW t
1.6 0.8 0.45
2 1.25 0.45
3.2 1.6
108
118
128
: A
: A
CHIP RESISTOR PART CODE
0.55
Resistor Code
Dimensions (mm)
Symbol
1/16W 1005 5% CJ
1.0 0.5 0.35 104
Lt
W
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
IC
84-TM1-613-080 IC,AN7085NS
87-A20-367-080 IC,TB2003F-012
84-TM1-615-010 C-IC,AN6656S
TRANSISTOR
87-026-213-080 CHIP-TR,DTC114YK<5YHS>
89-342-132-080 TR,2SC4213B
87-026-239-080 TR,DTC114TK (0.2W)
89-327-125-080 CHIP TR,2SC2712GR
89-333-266-080 CHIP TR,2SC3326B
87-026-504-080 SPEED SENSOR NJL5164KQ2-F1
87-026-230-080 CHIP-TR,DTA114YK
87-A30-179-080 FET,2SJ107GR
89-112-134-080 TR,2SA1213Y (1W)
89-341-165-080 TR,2SC4116GR
87-026-411-080 TR,RN1304
87-026-418-080 TR,RN1311
89-111-625-080 TR,2SA1162 (0.15W)
89-113-625-080 TR,2SA1362GR(120MHZ,0.
DIODE
87-020-125-080 CHIP-DIODE 1SS181
87-020-027-080 DIODE,1SS184
87-001-142-080 DIODE,1SS294 (100MA)
87-020-339-080 CHIP DIODE,1SS226
87-001-167-080 CHIP-DIODE 1SS302
87-001-165-080 CHIP-DIODE 1SS300
87-001-166-080 CHIP-DIODE 1SS301
MAIN C.B
C100 87-010-194-080 CAP, CHIP 0.047
C101 87-010-503-040 CAP,E 220-4 GAS
C102 87-010-794-080 CHIP CAPACITOR TN 0.1-20(A2)
C103 87-010-794-080 CHIP CAPACITOR TN 0.1-20(A2)<5YHS>
C104 87-010-794-080 CHIP CAPACITOR TN 0.1-20(A2)
C105 87-010-187-080 CAP CHIP S5600P
C107 87-010-198-080 CAP, CHIP 0.022
C108 87-010-802-080 C-CAP,TN2.2-4(A2)
C109 87-A10-952-080 C-CAP,TN 22-4 M A MCM
C110 87-010-746-080 CAP, TANTAL 10-4
C112 87-010-587-040 E,CAP 100-2
C113 87-010-503-040 CAP,E 220-4 GAS
C114 87-010-746-080 CAP, TANTAL 10-4
C115 87-010-193-080 CHIP CAPACITOR,0.033
C116 87-012-141-080 CHIP-CAPACITOR,0.22-16F
C117 87-010-198-080 CAP, CHIP 0.022
C118 87-012-141-080 CHIP-CAPACITOR,0.22-16F
C119 87-016-503-080 C-CAP,TN4.7-4 A2
C120 87-016-503-080 C-CAP,TN4.7-4 A2
C121 87-012-141-080 CHIP-CAPACITOR,0.22-16F
C122 87-010-500-040 CAPE 33-4
C124 87-010-505-080 CA, CHIP TANTALUM 1-16<5YHS>
C128 87-010-746-080 CAP, TANTAL 10-4
C130 87-010-182-080 CAP, CHIP 0.0022
C151 87-010-502-040 CAP ELECT GAS 100/4
C153 87-010-196-080 CHIP CAPACITOR,0.1-25
C201 87-010-805-080 CAP, S 1-16
C202 84-TM1-622-080 C-CAP,S 4700P-16 J
C203 87-015-923-080 C-CAP,TN 0.22-35
C204 87-010-196-080 CHIP CAPACITOR,0.1-25
C301 87-010-505-080 CA, CHIP TANTALUM 1-16
C302 87-016-503-080 C-CAP,TN4.7-4 A2
C303 87-016-503-080 C-CAP,TN4.7-4 A2
C304 87-010-794-080 CHIP CAPACITOR TN 0.1-20(A2)
C305 87-010-505-080 CAP, CHIP TANTALUM 1-16
C306 87-010-197-080 CAP, CHIP 0.01 DM
C307 87-010-197-080 CAP, CHIP 0.01 DM
C308 87-010-746-080 CAP, TANTAL 10-4
C401 87-010-794-080 CHIP CAPACITOR TN 0.1-20(A2)
C402 87-010-196-080 CHIP CAPACITOR,0.1-25
C403 87-012-141-080 CHIP-CAPACITOR,0.22-16F
C503 87-010-746-080 CAP, TANTAL 10-4
C504 87-010-503-040 CAP,E 220-4 GAS
C505 87-010-503-040 CAP,E 220-4 GAS
C506 87-010-194-080 CAP, CHIP 0.047
C811 87-016-576-080 CAP,E 330-16 SSL
J1 84-TM1-640-010 JACK,3.5 HSJ1494-02
J2 84-TM1-630-010 JACK,3.5 HSJ1493-05
J3 87-009-022-010 JACK DC
LED401 87-A40-573-080 C-LED,LT1ED67A GRN/RED
R301 87-022-656-080 C-RES,K43G 0.68
R311 84-TM1-632-080 C-RES,2.2-1/8W F
R312 84-TM1-633-080 C-RES,5.6-1/8W F
SW101 87-A90-330-080 C-SW,SL 1-1-2 SSSS81<5YHS>
SW151 87-A90-330-080 C-SW,SL 1-1-2 SSSS81
SW201 87-A90-703-080 C-SW,SL 1-1-3 SSSS813-B-2B
SW202 87-A90-330-080 C-SW,SL 1-1-2 SSSS81<EXCEPT 5YHS>
SW202 87-A90-703-080 C-SW,SL 1-1-3 SSSS813-B-2B<5YHS>
SW203 87-A90-788-080 C-SW,MICRO SPPB64
SW204 87-036-252-010 SW,PUSH SPPB 51
SW301 87-A90-330-080 C-SW,SL 1-1-2 SSSS81
SW601 84-TM1-638-010 SW,SLIDE 1-1-3(NC)
TH301 87-A90-855-080 C-THMS,SC20-3K102K
VR101 87-A91-023-010 VR,RTRY 10K-C H
VR201 84-TM1-624-080 C-SFR,220K RVG3A08
VR301 87-024-690-080 C-SFR,4.7K RVG3A08
VR302 87-024-690-080 C-SFR,4.7K RVG3A08
CONTROL C.B
SW205 87-A90-665-180 C-SW,TACT LS7A2M
SW206 87-A90-665-180 C-SW,TACT LS7A2M
SW207 87-A90-665-180 C-SW,TACT LS7A2M
SW208 87-A90-665-180 C-SW,TACT LS7A2M
SW209 87-A90-665-180 C-SW,TACT LS7A2M
BLOCK DIAGRAM
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

20
NFR
AN7085NS
20
20
YK
C105
5600p
C119
C109
C118
C116
10k
C128
TB2003F-012
D309
1SS226
D306
Q309
C308
Q406
MAIN
MAIN
TP-M525
TP-M725
TP-M525
TP-M725
REMOTE
HOLD
SW202
SW202
HOLD
C108
MAIN C. B
CONTROL C. B
2SC4116GR
B
J1
AN6656S
26B
26B
M1
MOTOR
5.6F
V-SENSOR
VOLUME
V-SENSOR LEVEL
Q156
NJL5164KQ2-F1
J1
65
SCHEMATIC DIAGRAM
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

87
TRANSISTOR ILLUSTRATION CIRCUIT BOARD DIAGRAM-1 (MAIN C.B)
1234567
8910 11 12
A
B
C
D
E
F
G
H
I
J
P4
MAIN C. B
(Bottom View)
MAIN C. B
(Top View)
VR101
VOLUME
2SA1162
2SA1362
2SC2712
2SC3326
2SC4116
2SC4213
DTA114YK
DTC114YK
DTC114TK
RN1304
RN1311
BE
C
B
E
C
2SA1213
D S G
2SJ107
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

109
CIRCUIT BOARD DIAGRAM-2 (CONTROL C.B)
123456
7
A
B
C
D
E
F
G
H
I
J
123456
7
A
B
C
D
E
F
G
H
I
J
CONTROL C. B (Bottom View)
CONTROL C. B (Top View)
WIRING
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

11
VOLTAGE CHART
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

12
IC BLOCK DIAGRAM
15 13 14 12 9
16
11
10
7
8
1
65
4
2
3
BUFFER
BUFFER
STRTING CIRCUIT
BUFFERBUFFER
STRT
STOP
120mV
AMP
AMP
20 19 18 17 16 15 1314 12 11
9 10 7 81 6 5
4
2 3
R/P
CTL RIPPLE
REG
ALC
12dB
12dB
OPEN
LOOP
GAIN
74dB
120kΩ
POWER
MUTE
VAS
DEY
23dB
54dB
20dB
IC, AN7085NS
IC, TB2003F-012
IC, AN6656S
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

13
ADJUSTMENT
Tape speed: 3000 Hz ±90 Hz
Wow & flutter: Less than 0.85% (RMS) (2.4cm)
Less than 1.5% (RMS) (1.2cm)
Take-up torque: 4 ~ 12 g-cm
F.F torque: 4 ~ 15 g-cm
Rew torque: 25 ~ 60 g-cm
Back tension: Less than 1.2 g-cm
S/N ratio: More than 44 dB (DC. PB)
More than 26 dB (DC. R/PB)
Noise level: Less than 1.5 mV (DC.Vol Max. PB)
Less than 14 mV (DC. Vol Max. R/PB)
Erasing ratio: More than 50 dB (1 kHz)
Test tape: TTS-900 (Wow & flutter/Tape speed – 2.4 cm)
TTS-910 (Wow & flutter/Tape speed – 1.2 cm)
TTS-920 (Distortion/Output)
TTS-930 (Azimuth)
TTS-940 (REC/PB)
PRACTICAL SERVICE FIGURE
MAIN CB (Bottom View)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

14
MECHANICAL EXPLODED VIEW 1/1
MAIN C. B
CONTROL C. B
B
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com