akira RC-2200C User manual

Radio Cassette Recorder
Service Manual

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Model No.: RC-2200C
Version: 1.0
MODEL:
RC-2200C

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Model No.: RC-2200C
Version: 1.0
CONTENTS
SPECIFICATION .............................................................................................................................4
EXPLODED VIEW..........................................................................................................................8
SPARE PARTS LIST ........................................................................................................................9
CIRCUIT DIAGRAM.....................................................................................................................19
SCHEMATIC DIAGRAM..............................................................................................................20
PCB DIAGRAM.............................................................................................................................21

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Model No.: RC-2200C
Version: 1.0
SPECIFICATION
RADIO SECTION: FM BAND
SUPPLY VOLTAGE AC 110/220V OR DC 12V
REF. OUTPUT 50mW LOAD IMPEDANCE 8 OHM
MODULATION 22.5 KHz DEV, 1 KHz MODULATION STEREO: 75 KHz DEV
NO DESCRIPTION UNIT NORMAL LIMITED
1a LOW END MHz 87.35 +0.15 /-0.35
1b FREQUENCY RANGE HIGH END MHz 108.25 +0.5 /-0.25
2 IF MHz 10.7 +0.5 /-0.25
3a 90 MHz dB 12 18
3b 98 MHz dB 12 18
3c
MAX. SENSITIVITY
106 MHz dB 12 18
4a 90 MHz dB 18 23
4b 98 MHz dB 18 23
4c
-30 dB S/N SENSITIVITY
106 MHz dB 18 23
5 I.E. REJECTION 90 MHz dB 70 50
6 IMAGE REJECTION 106 MHz dB 30 24
7 S/N AT 60 dB I/P 98 MHz dB 48 40
8 3 dB LIMITING SENSITIVITY 98 MHz dB 15 20
9 SPURIOUS REJECTION 98 MHz dB 30 25
10 AM SUPPRESSION 98 MHz dB 35 30
11a Hz LOW 150
11b
-6 dB FREQUENCY
RESPONSE 98 MHz KHz HIGH 5.5
12 MODULATION HUM (60 dB
I/P)
98 MHz dB 48 40
13 MIN VOL. HUM mV 2 5
14 DISTORTION AT REF. O/P % 2 5
15 10% DISTORTION OUTPUT POWER (75KHz DEV.) mW 1500 1200
16 MAX. OUTPUT POWER (75KHz DEV.) mV 1800 1500
17 OVER LOAD DISTORTION
(75KHz DEV.)
98 MHz % </= 10
18 OSCILLATION STOP VOLTAGE % </= 10
19 FM STEREO SEPARATION dB 28 22

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Model No.: RC-2200C
Version: 1.0
RADIO SECTION: MW BAND
SUPPLY VOLTAGE AC 110/220V OR DC 12V
REF. OUTPUT 50mW LOAD IMPEDANCE 8 OHM
MODULATION 30% ; 1 KHz
NO DESCRIPTION UNIT NORMAL LIMITED
1a LOW END KHz 520 +/-5
1b FREQUENCY RANGE HIGH END KHz 1710 +/-10
2 IF KHz 460 +/-5
3a 600 KHz dB/M 46 54
3b 1000 KHz dB/M 46 54
3c
MAX. SENSITIVITY
1400 KHz dB/M 46 54
4a 600 KHz dB/M 52 58
4b 1000 KHz dB/M 52 58
4c
-20 dB S/N SENSITIVITY
1400 KHz dB/M 52 58
5 I.F. REJECTION 600 KHz dB 30 24
6 IMAGE REJECTION 1400 KHz dB 40 30
7 S/N AT 94 dB/M I/P 1000 KHz dB 35 28
8 AGC FOM (94dB/M I/P) 1000 KHz dB 50 40
9 SPURIOUS REJECTION 4-30 MHz dB
10 2 IF WHISTLE 2 x IF % 2 10
11a Hz LOW 150
11b -6 dB FREQUENCY RESPONSE 1000 KHz KHz HIGH 2.3
12 MODULATION HUM (94 dB/M I/P) 1000 KHz dB 35 28
13 MIN. VOL. HUM mV 2 5
14 DISTORTION AT REF. O/P % 2 5
15 10% DISTORTION OUTPUT POWER (80% MOD) mW 1500 1200
16 MAX. OUTPUT POWER (80% MOD) mW 1800 1500
17 OVER LOAD DISTORTION (80%
MOD) 1000 KHz % 3 10
18 OSCILATION STOP VOLTAGE % </= 70

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Model No.: RC-2200C
Version: 1.0
CASSETTE TAPE SECTION
SUPPLY VOLTAGE AC 110/220V OR DC 12V
REF. OUTPUT 50mW LOAD IMPEDANCE 8 OHM
NO DESCRIPTION UNIT NORMAL LIMITED
1 TAPE SPEED (NORMAL SPEED) 3 KHz % +/-1 +3 / -2
2 WOW/FLUTTER (JS/WEIGHTED) 3 KHz % 0.3 0.4
3 S/N RATIO 1 KHz (0 dB) dB 45 35
4a 125 Hz dB -3 -5
4b 1 KHz (REF) dB 0 0
4c
FREQUENCY RESPONSE
8 KHz dB 0 + / -4
5 CROSS TALK (CHANNEL) 1 KHz dB 36 30
6 CHANNEL BALANCE 1 KHz dB 0 + / -3
7 MIN. VOL. HUM mV 2 5
8 MAX. VOL. HUM mV 40 80
9 DISTORTION AT REF. O/P 1 KHz % 2 5
10 10% DISTORTION OUTPUT POWER 1 KHz mW 1500 1200
11 MAX. OUTPUT POWER 1 KHz (0
Db) mW 1800 1500
RECORDING SYSTEM : DC BIAS: MAGNET ERASE
15 R/P DISTORTION AT REF. O/P 1 KHz % 5 8
16 R/P S/N RATIO (REF. CD – 0dB) 1 KHz (0dB) dB 35 28
17 ERASE RATIO (REF. 0dB LEVEL) 1 KHz (REF.) dB 35 28
18a 1 KHz (REF.) dB 0
18b 125 Hz dB +/-3 +/-6
18c
R/P FREQUENCY RESPONSE
8 KHz dB +/-3 +/-6
19a R/P OUTPUT LEVEL (FM 22.5KHz
DEV.) 1 KHz dB 0 +/-4
19b R/P OUTPUT LEVEL (CD-10dB) 1 KHz dB 0 +/-4

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Model No.: RC-2200C
Version: 1.0
CD SECTION
SUPPLY VOLTAGE AC 110/220V OR DC 12V
REF. OUTPUT 50mW LOAD IMPEDANCE 8 OHM
NO DESCRIPTION UNIT NORMAL LIMITED
1 CD LOW WORKING VOLTAGE (DC) 12V % 75 80
2 CD LOW WORKING VOLTAGE (AC) 230V % 80 85
3 S/N RATIO 1KHz
(0dB) dB 56 50
4a FREQUENCY RESPONSE 125Hz dB -3 +/-6
4b 1KHz dB +/-3 +/-6
4c 16KHz dB +/-3 +/-6
5 CHANNEL SEPARATION 1KHz dB 40 34
6 CHANNEL BALANCE 1KHz dB 0 +/-3
7 MIN. VOL. HUM mV 2 3
8 MAX. VOL. HUM mV 5 10
9 DISTORTION AT REF. O/P 1KHz % 1 2
10 10% DISTORTION OUTPUT POWER 1KHz mW 1500 1200
11 MAX. OUTPUT POWER 1KHz
(0dB) mW 1800 1500
12 INTERRUPTION (TEST DISC: TCD-725) mm 0.7
13 BLACK DOTS (TEST DISC: TCD-725) mm 0.6
14 FINGERPRINT (TEST DISC: TCD-725) uM 65
AUDIO SECTION:
15 BASS BOOST EFFECT 100Hz dB +6 +5/-2
SIGNAL LEVEL BALANCE
16a FM (22.5KHz DEV. MOD.) 1KHz
(REF.) dB 0 REF
16b CASSETTE (-10dB) 1 KHz dB 0 +/-3
16c CD (-10dB) 1 KHz dB +5 +/-3

EXPLODED VIEW 8

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Model No.: RC-2200C
Version: 1.0
SPARE PARTS LIST
2 BAND (FM/MW) TUNING BD ASSY
NO DESCRIPTION QTY REMARK
1 P.C. BOARD:SP011-AN (TUNING BOARD) 1 KB-1150
2 I.C. TA2111N 1
3 ZENER DIODE: 4V7 1/2W 1
4 RESISTOR: 1/4W + -5% 330 OHM 1
5 ESISTOR: 1/4W + -5% 560 OHM 1
6 ESISTOR: 1/4W + -5% 1K OHM 1
7 ESISTOR: 1/4W + -5% 3K3 OHM 3
8 ESISTOR: 1/4W + -5% 4K7 OHM 1
9 CERAMIC CAP: 5PF 1
10 CERAMIC CAP: 22PF 1
11 CERAMIC CAP: 30PF 4
12 CERAMIC CAP: 150PF 1
13 CERAMIC CAP: 0.01UF 2
14 CERAMIC CAP: 0.02UF 1
15 CERAMIC CAP: 0.04UF 1
16 CERAMIC CAP: 0.001UF 1
17 CERAMIC CAP: 0.1UF 5
18 ELCT. CAP: 0.47UF 25V 1
19 ELCT. CAP: 10UF 10V 2
20 ELCT. CAP: 220UF 10V 1
21 CERAMIC FILTER: 10.7MHz L 10.7A (RED) 1
22 CERAMIC FILTER: 465KHz SFU465B 1
20 I.F.T.: FM 235B BLUE 1
21 I.F.T.: AM M332 YELLOW 1
22 I.F.T.: AM OSC 331B RED 1
23 P.V.C.: “TH” AM/FM 20MM 1
24 AM ANT. COIL: 120:12 100MM x 4 1
25 FERRITE BAR: 5 x 13 x 55mm 1
26 FM COIL: 3.5T x 4mm 0.8mm 1
27 FM COIL: 3.5T x 4.5mm 0.8mm 2
28 BAR HOLDER: H = 15mm 1
29 SLIDE SW: SS-23E03M16 1
30 BARE WIRE: 0.4 x 10mm 3
31 EYELET: 2 x 4 1

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Model No.: RC-2200C
Version: 1.0
DISPLAY BOARD ASSY & CASS BOARD ASSY
NO DESCRIPTION QTY REMARK
32 P.C. BOARD: SP-011 (DISPLAY BD) 1 KB-1150
33 TACT SWITCH: TC-103-130g 6
34 LED DISPLAY: LA4022-11 (GREEN) 1
35 LED: RED 3mm 4
36 LED: GREEN 3mm 1
37 BARE WIRE: 0.4 x 10mm 12
38 RESISTOR: 1/4w +-5% 330 OHM 2
39 RESISTOR: 1/4W +-5% 330 OHM 2
40 RESISTOR: 1/4W +-5% 1K OHM 2
41 RESISTOR: 1/4W +-5% 2K2 OHM 1
42 RESISTOR: 1/4W +-5% 10K OHM 1
43 RESISTOR: 1/4W +-5% 6K8 OHM 1
44 CASS BD. ASSY
45 P.C. BOARD: SP-011CA (CASS BD) KB-1150
46 I.C.: BA3308
47 RESISTOR: 1/4W +-5% 82 OHM 2
48 RESISTOR: 1/4W +-5% 39 OHM 2
49 RESISTOR: 1/4W +-5% 100 OHM 1
50 RESISTOR: 1/4W +-5% 1K OHM 4
51 RESISTOR: 1/4W +-5% 6K8 OHM 1
52 RESISTOR: 1/4W +-5% 15K OHM 2
53 RESISTOR: 1/4W +-5% 18 OHM 2
54 RESISTOR: 1/4W +-5% 120 OHM 2
55 RESISTOR: 1/4W +-5% 150 OHM 2
56 RESISTOR: 1/4W +-5% 470 OHM 1
57 RESISTOR: 1/4W +-5% 10 OHM 2
58 CERAMIC CAP.: 0.1UF 2
59 MYLAR CAP.: 0.0022UF 2
60 MYLAR CAP.: 0.0033UF 2
61 ELCT. CAP.: 1UF 25V 4
62 ELCT. CAP.: 4.7UF 25V 2
63 ELCT. CAP.: 47UF 10V 2
64 ELCT. CAP.: 100UF 16V 1
65 ELCT. CAP.: 220UF 16V 1
66 ELCT. CAP.: 470UF 16V 1
67 RECORDING WIRE: 0.4 x 10mm 4
68 EYELET: 2 x 4mm 7