Aiwa TN-C137 Service Manual
TN-C137
ALH(B) AHR(LT,B)
SERVICE MANUAL
CORDLESS TELEPHONE
This Service Manual does not includeis IC BLOCK DIAGRAM,IC DESCRIPTION
and "ADJUSTMENT".These items will be issued in the next Supplement.
S/M Code No. 09-007-347-7N1
DATA
SPECIFICATIONS
OPERATING FREQUENCIES
Transmit F requency
Receive Frequency
GENERAL
Pulse Mode Dialing Rate
Pause Entry Delay
Interdigital Pause
Redial Memory Capacity
Power Requirements
Base
Handset
Weight
Base
Handset (Battery not included)
Measurements
Base
(Antenna not included)
Antenna length
Base
43-46MHz
48-49MHz
Handset
43-49MHz
43-46MHz
10 PPS
Approximately 3 Seconds
700 ms
32 Digits
115/230V AC, 50/60Hz
+12 V DC
3.6V DC (Nickel-Cadmium Battery)
315 g (11 oz.)
150 g (5.3 oz.)
128 (W) x 46 (D) x 222(H) mm
1 13 3
(5 / x 1 / x 8 / in.)
8 16 4
691.5 mm (27 / in.)
1
4
Handset
(Antenna not included)
Antenna length
Battery Life (Handset)
55 (W) x 44 (D) x 183 (H) mm
1 3 1
(2 / x 1 / x 7 / in.)
4 4 4
190 mm (7 / in.)
1
2
Standby: 10 days
Talk: 10 hours
Frequency
Modulation
Security Code
43/49 MHz
FM
65K Random
• Design and specifications are subject to change without notice.
ACCESSORIES LIST
REF. NO PART NO. KANRI DESCRIPTION
1 SA-PC5-910-100 INSTRUCTION BOOK(AHJ/LH/HR-E)
1 SA-PC5-910-200 INSTRUCTION BOOK(AHR-CH)<ALHB>
1 SA-PC5-910-300 INSTRUCTION BOOK(ALH,P-C137)<ALHB>
1 SA-PC5-910-400 INSTRUCTION BOOK(AHR-CH)<EXCEPT ALHB>
2 S0-112-220-000 APA EI41IEC 300MA/DO 115/230V<EXCEPT ALHB>
2 S0-212-090-000 APD-EI35 115/230VAC<ALHB>
3 S4-360-070-010 BATT,IN-CD 3.6V
4 S0-000-010-010 TELCORD-ST2USUS2.2UL TRANSPARE
5 S0-220-117-040 CONVERTOR 220V-117V
NO.
2
ELECTRICAL MAIN PARTS LIST
B
E
C
2SC2714
KTC3880
MMBT3904
MMBT3906
SST3906
E B C
KTC9014
E C B
2SC1815
E C B
KTC3195
CHIP RESISTOR PART CODE
REF. NO PART NO. KANRI DESCRIPTION
IC
S9-187-400-200 IC,TMP87C405M-1K46
S9-187-400-190 IC,TMP87C405M-1H35
S2-309-024-040 IC,LTV817C
88-PCD-605-010 IC,TB31224F
S8-474-200-0A0 IC,TC74VHC20FT/SN74LV20A(PW)
TRANSISTOR
SA-038-800-250 C-TR,KTC3880Y
87-026-699-080 C-TR,MMBT3906
S3-146-319-525 TR,KTC3195Y
S8-901-400-030 TR,KTC9014C
SA-039-040-000 C-TR,MMBT3904
89-327-143-010 C-TR,2SC2714Y
SA-039-060-010 C-TR,SST3906
89-318-154-010 TR,2SC1815-BL
DIODE
82-135-799-010 DIODE,IN4148
S0-100-511-200 ZENER,IN-5231B
S0-401-810-000 C-DIODE,1SS181
S0-401-840-000 C-DIODE,1SS184
87-027-513-010 ZENER,IN5232B 5.6V1/2W
87-017-781-080 RECTIFIER IN-4004
S0-103-301-210 ZENER,IN-5257B 33V
S0-100-621-250 ZENER,IN-5234B 6.2V
87-A40-226-080 DIODE,SVC251SPA
S0-240-010-000 RECTIFIER IN-4001B
BASE C.B
BPF301 S3-DPX-250-050 DUPLEXER 43/49MHZ
BPF302 S0-001-070-290 CER,FILTER L10.7MS2-A
BPF303 S0-004-550-060 CER,FILTER LTW33-455D
C105 87-010-380-010 CAP,E 47-16V
C201 S0-102-115-000 CAP,CER 0.001UF-500V<ALHB>
C201 87-012-397-080 CAP,CER 1000PF-2000V<EXCEPT ALHB>
C202 S0-102-115-000 CAP,CER 0.001UF-500V<ALHB>
C202 87-012-397-080 CAP,CER 1000PF-2000V<EXCEPT ALHB>
C203 S1-474-102-500 CAP,M 0.47-250V
C206 87-010-494-010 CAP,E 1-50V<ALHB>
C315 87-010-037-010 CAP,E 10-50V
C317 87-010-035-010 CAP,E 2.2-50V
C330 87-010-035-010 CAP,E 2.2-50V
C331 87-010-037-010 CAP,E 10-50V
C334 87-010-035-010 CAP,E 2.2-50V
C339 87-010-037-010 CAP,E 10-50V
C361 87-010-037-010 CAP,E 10-50V
C376 87-010-045-010 CAP,E 100-25V
C377 87-010-037-010 CAP,E 10-50V
C379 87-010-045-010 CAP,E 100-25V
C501 87-010-387-080 CAP,E 470-25V
C503 87-010-380-010 CAP,E 47-16V
C505 87-010-037-010 CAP,E 10-50V
C506 87-010-045-010 CAP,E 100-25V
J201 S0-022-020-000 JACK,TEL MINI L/P 6P2C
J501 S1-004-700-020 JACK,POWER DC470/MSC
L101 S0-100-140-020 COIL,100UH
L301 87-005-166-010 COIL,1.2UH
L302 S0-103-982-010 COIL,0.39UH
L303 S0-009-300-090 IFT,KY930RC 9MM
L304 S0-003-230-070 IFT,KL323N 7MM
L305 87-003-147-010 COIL,22UH
L306 S0-002-810-070 IFT,KL281F 7.7MM
L307 S0-103-372-010 COIL,3.3UH
L308 S0-003-220-070 IFT,KL322N 7MM
L309 S0-075-600-070 IFT,7MM 455KHZ
L310 S0-106-862-000 COIL,68UH
NO.
REF. NO PART NO. KANRI DESCRIPTION
L501 87-005-696-080 INDUCTOR 100UH
L502 87-005-696-080 INDUCTOR 100UH
L503 S0-100-140-020 COIL,100UH
L504 S0-106-862-000 COIL,68UH
L505 S0-106-862-000 COIL,68UH
LED101 87-070-106-010 LED,SE3001DT RED
LED103 87-070-106-010 LED,SE3001DT RED
RY201 S0-807-000-000 REED RELAY 8V
SCR201 S3-910-900-010 VARISTOR 390V
SFR301 S1-040-851-030 SFR,100K
SW101 S1-210-611-030 SW,SLIDE 1P2T
SW102 S0-211-102-000 SW,TACT 4P 4.3MM
T201 S1-919-020-000 AUDIO TRANSFORMER EI-19<ALHB>
T201 S2-424-010-000 PT,AUDIO EI-24<EXCEPT ALHB>
X101 S6-004-000-000 CER,RESO 4MHz CSA4.00MG
X301 S6-102-402-000 X’TAL,10.24MHZ
HANDSET RF C.B
C6 87-010-075-040 CAP,E 10-16V
C12 87-010-075-040 CAP,E 10-16V
C15 87-010-380-010 CAP,E 47-16V
C16 87-010-072-070 CAP,E 2.2-50V
C19 87-010-545-010 ELECT CAP 0.22-50V
C24 87-015-716-010 CAP,E 22-16V
C30 87-010-072-070 CAP,E 2.2-50V
C33 87-010-380-010 CAP,E 47-16V
C47 87-010-380-010 CAP,E 47-16V
C58 87-015-716-010 CAP,E 22-16V
C65 87-010-072-070 CAP,E 2.2-50V
DX2 S3-DPX-250-040 DUPLEXER 43/49MHZ
IFT1 S0-003-220-070 IFT,KL322N 7MM
IFT2 S0-075-600-070 IFT,7MM 455KHZ
IFT3 S0-003-260-070 IFT,KL326F 7.7MM
IFT5 S0-002-720-070 IFT,7.7MM 0.27UH
J1 S1-300-231-500 CONN,13P 1.5MM
L2 87-003-133-010 COIL,0.22UH
L3 S0-104-782-010 COIL,0.47UH
L4 S0-102-782-010 COIL,0.27UH
L5 87-A50-375-010 INDUCTOR 1UH 2.3-3.4
T1 S0-004-550-060 CER,FILTER LTW33-455D
X1 S6-102-402-000 X’TAL,10.24MHZ
X2 S0-001-070-290 CER,FILTER L10.7MS2-A
HANDSET FRONT C.B
BATT1 SB-2BE-HA0-200 HEADER JST 2PIN
C2 87-010-075-040 CAP,E 10-16V
C3 87-010-380-010 CAP,E 47-16V
C5 87-010-075-040 CAP,E 10-16V
C10 87-010-075-040 CAP,E 10-16V
C14 87-010-077-070 CAP,E 33-10V
L1 87-005-696-080 COIL,100UH
LED1 S0-321-610-010 C-LED,3.2-1.6(RED)
LED2 87-070-106-010 LED,SE3001DT RED
P1 S0-301-500-020 DYNAMIC RECEIVER 28-7.5
P2 S0-301-500-020 DYNAMIC RECEIVER 28-7.5
X1 S6-004-000-000 CER,RESO 4MHz CSA4.00MG
ZENER DIODE C.B
Chip Resistor Part Coding
NO.
88
A
Figure
Resistor Code
Value of resistor
Chip resistor
Wattage Type Tolerance
Symbol
1/16W 1005 5% CJ
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
CJ
CJ
CJ
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
: A
: A
108
118
128
TRANSISTOR ILUSTRATION
3
SCHEMATIC DIAGRAM-1 (BASE C.B-1/3 SECTION)
BASE C. B 1/3 (RF-1 SECTION)
10/50
L310
68uH
42
15
0.001
6.8K
6.8K
0.1
0.01
0.0047
4.7K
7B
8B
R326
82K
0.1
0.001
0.1
0.1
TP7
C362
C363
0.1
TX_AUDIO
TO BASE C. B 3/3
(MCU/LINE INTERFACE) 1D
TO BASE C. B 2/3
(RF-2) 7B-9B
9B
1D
IC301
4.7K
0.001
2.2/50
0.1
10/50
0.1
0.001
0.1
L308
L306
0.01
0.001
0.01
1.2uH
0.01
RF-AMP
BASE UNIT
ANTENNA
BPF301
DPX43/49MHz
1A
2A
3A
4A
6B
5B
1B
2B
3B
4B
TO BASE C. B 2/3
(RF-2) 1A
TO BASE C. B 2/3
(RF-2) 2A
TO BASE C. B 2/3
(RF-2) 3A
TO BASE C. B 2/3
(RF-2) 4A
TO BASE C. B 3/3
(MCU/INTERFACE)
1B-6B
C308
IN5234B
5.2V
C379
100/25
TC301
18p
R336
180K
C358
0.0068
0.1
0.47
0.01
4.7K
2.2/50
C318
0.047
4.7K
C316
0.01
2.2/50
R386
4.7
TP6
Q305
MMBT3904
100K
C361
10/50
BAND
CONTROL
: TX RF
: TX AUDIO
: TX DATA
: RX RF
: RX AUDIO
: TX DATA
: DTMF
: CONTROL
SIGNAL
BASE C. B 1/3 (RF-1 SECTION)
10/50
L310
68uH
42
15
0.001
6.8K
6.8K
0.1
0.01
0.0047
4.7K
7B
8B
R326
82K
0.1
0.001
0.1
0.1
TP7
C362
C363
0.1
TX_AUDIO
TO BASE C. B 3/3
(MCU/LINE INTERFACE) 1D
TO BASE C. B 2/3
(RF-2) 7B-9B
9B
1D
IC301
4.7K
0.001
2.2/50
0.1
10/50
0.1
0.001
0.1
L308
L306
0.01
0.001
0.01
1.2uH
0.01
RF-AMP
BASE UNIT
ANTENNA
BPF301
DPX43/49MHz
1A
2A
3A
4A
6B
5B
1B
2B
3B
4B
TO BASE C. B 2/3
(RF-2) 1A
TO BASE C. B 2/3
(RF-2) 2A
TO BASE C. B 2/3
(RF-2) 3A
TO BASE C. B 2/3
(RF-2) 4A
TO BASE C. B 3/3
(MCU/INTERFACE)
1B-6B
C308
IN5234B
5.2V
C379
100/25
TC301
18p
R336
180K
C358
0.0068
0.1
0.47
0.01
4.7K
2.2/50
C318
0.047
4.7K
C316
0.01
2.2/50
R386
4.7
TP6
Q305
MMBT3904
100K
C361
10/50
BAND
CONTROL
: TX RF
: TX AUDIO
: TX DATA
: RX RF
: RX AUDIO
: TX DATA
: DTMF
: CONTROL
SIGNAL
BASE C. B 1/3 (RF-1 SECTION)
10/50
L310
68uH
42
15
0.001
6.8K
6.8K
0.1
0.01
0.0047
4.7K
7B
8B
R326
82K
0.1
0.001
0.1
0.1
TP7
C362
C363
0.1
TX_AUDIO
TO BASE C. B 3/3
(MCU/LINE INTERFACE) 1D
TO BASE C. B 2/3
(RF-2) 7B-9B
9B
1D
IC301
4.7K
0.001
2.2/50
0.1
10/50
0.1
0.001
0.1
L308
L306
0.01
0.001
0.01
1.2uH
0.01
RF-AMP
BASE UNIT
ANTENNA
BPF301
DPX43/49MHz
1A
2A
3A
4A
6B
5B
1B
2B
3B
4B
TO BASE C. B 2/3
(RF-2) 1A
TO BASE C. B 2/3
(RF-2) 2A
TO BASE C. B 2/3
(RF-2) 3A
TO BASE C. B 2/3
(RF-2) 4A
TO BASE C. B 3/3
(MCU/INTERFACE)
1B-6B
C308
IN5234B
5.2V
C379
100/25
TC301
18p
R336
180K
C358
0.0068
0.1
0.47
0.01
4.7K
2.2/50
C318
0.047
4.7K
C316
0.01
2.2/50
R386
4.7
TP6
Q305
MMBT3904
100K
C361
10/50
BAND
CONTROL
: TX RF
: TX AUDIO
: TX DATA
: RX RF
: RX AUDIO
: TX DATA
: DTMF
: CONTROL
SIGNAL
BASE C. B 1/3 (RF-1 SECTION)
10/50
L310
68uH
42
15
0.001
6.8K
6.8K
0.1
0.01
0.0047
4.7K
7B
8B
R326
82K
0.1
0.001
0.1
0.1
TP7
C362
C363
0.1
TX_AUDIO
TO BASE C. B 3/3
(MCU/LINE INTERFACE) 1D
TO BASE C. B 2/3
(RF-2) 7B-9B
9B
1D
IC301
4.7K
0.001
2.2/50
0.1
10/50
0.1
0.001
0.1
L308
L306
0.01
0.001
0.01
1.2uH
0.01
RF-AMP
BASE UNIT
ANTENNA
BPF301
DPX43/49MHz
1A
2A
3A
4A
6B
5B
1B
2B
3B
4B
TO BASE C. B 2/3
(RF-2) 1A
TO BASE C. B 2/3
(RF-2) 2A
TO BASE C. B 2/3
(RF-2) 3A
TO BASE C. B 2/3
(RF-2) 4A
TO BASE C. B 3/3
(MCU/INTERFACE)
1B-6B
C308
IN5234B
5.2V
C379
100/25
TC301
18p
R336
180K
C358
0.0068
0.1
0.47
0.01
4.7K
2.2/50
C318
0.047
4.7K
C316
0.01
2.2/50
R386
4.7
TP6
Q305
MMBT3904
100K
C361
10/50
BAND
CONTROL
: TX RF
: TX AUDIO
: TX DATA
: RX RF
: RX AUDIO
: TX DATA
: DTMF
: CONTROL
SIGNAL
4
VOLTAGE CHART-1
DC Characteristic DC Characteristic
STANDBY
TALK
STANDBY
TALK
1 4.93 4.93 25 0.68 0.64
2 4.93 4.93 26 0.71 0.78
3 4.88 4.88 27 0.71 0.55
4 4.58 4.58 28 4.97 4.95
5 4.93 0.11 29 4.07 4.05
60 0300 0
7 0 0 31 4.58 4.57
8 0 0 32 4.58 4.57
9 1.50 1.47 33 4.97 4.95
10 1.48 1.46 34 3.64 3.60
11 1.48 1.47 35 1.37 0.10
12 1.48 1.47 36 0.95 0.95
13 1.48 1.48 37 1.22 0.64
14 1.48 1.48 38 3.54 3.59
15 1.48 1.48 39 1.48 1.48
16 1.48 1.48 40 1.00 1.03
17 1.48 1.48 41 2.07 2.07
18 1.25 1.25 42 2.48 2.48
19 1.25 1.24 43 4.97 4.95
20 1.25 1.25 44 4.97 4.95
21 0 0 45 0.65 0.90
22 0.49 1.58 46 2.48 2.49
23 2.48 2.83~4.93 47 4.95 1.87
24 0.67 0.67 48 0 0
Pin
No.
Pin
No.
DC Characteristic DC Characteristic
STANDBY
TALK
STANDBY
TALK
1 2.11 2.10 15 4.81 4.78
2 2.01 2.00 16 0.14 0
3 0 0 17 0.18 0
4 4.81 4.78 18 0 0
5 0 0 19 4.82 0
60 0200 0
7 0 0 21 4.82 0.30
80 0220 0
9 0 0 23 4.92 4.91
10 0 0 24 2.48 2.48
11 0 0 25 4.82 4.80
12 0.00 4.74 26 4.82 4.80
13 4.95 0.11 27 4.80 4.78
14 0 0 28 4.82 4.80
Pin
No.
Pin
No.
IC301 IC, TB31224F
IC101 IC, TMP87C405M-1H35
5
IC201 IC, LTV817C
TRANSISTORS
DC Characteristic
Pin
No.
STANDBY
1 0.03 0.03
20 0
30 0
4 4.81 4.79
TALK
Location Pin Name STANDBY TALK
C 14.50 0.15
Q201 B 0 0.74
E00
C 0.22 4.85
Q301 B 0.20 0.61
E00
C 0.30 4.90
Q302 B 4.83 4.21
E 4.97 4.95
C 0.30 4.64
Q303 B 0.28 3.19
E 0 2.72
C 4.91 4.89
Q304 B 3.16 3.14
E 2.46 2.45
C 0.04 0.04
Q306 B 0.56 0.56
E00
C 10.98 10.22
Q307 B 6.02 5.64
E 5.35 4.97
C00
Q308 B 4.72 4.30
E 5.40 4.97
C 4.73 4.36
Q309 B 0.68 0.68
E00
C 13.46 11.95
Q501 B 5.60 5.60
E 4.96 4.95
C 14.60 13.30
Q502 B 14.55 13.30
E 14.01 12.95
C 4.80 4.79
Q503 B 0 0
E00
6
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