akira RC-2200C User manual

Radio Cassette Recorder
Service Manual

-2-
Model No.: RC-2200C
Version: 1.0
MODEL:
RC-2200C

-3-
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

-4-
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

-5-
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

-6-
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

-7-
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

-9-
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

-10 -
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

-11 -
Model No.: RC-2200C
Version: 1.0
69 ZENER DIODE: 5V1 1/2W 1
70 WAFER: 2.0mm PITCH JST 9P V TYPE 1
71 VOLUME BD. ASSY.: 1
72 P.C. BOARD: SP-011 (VOL. BD.) 1 KB-1150
73 2P2T SW.: PB-22E06 1
74 VOL.: RV1613GH-A50K 1
75 RESISTOR: 1/4W +-5% 3K3 OHM 2
76 RESISTOR: 1/4W +-5% 4K7 OHM 2
77 CERAMIC CAP.: 0.1UF 2
78 ELCT. CAP.: 1UF 16V 1

-12 -
Model No.: RC-2200C
Version: 1.0
DISPLAY BOARD ASSY & CASS BOARD ASSY
NO DESCRIPTION QTY REMARK
79 P.C. BOARD: SP011 (MAIN BD) 1 KB-1150
80 I.C.: LC78602R 1
81 I.C.: LA9242 1
82 I.C.: LA6541 1
83 I.C.: TA8227P 1
84 RESISTOR: 1/4W +-5% 2.2 OHM 1
85 RESISTOR: 1/4W +-5% 2.2 OHM 1
86 RESISTOR: 1/4W +-5% 100 OHM 12
87 RESISTOR: 1/4W +-5% 10 OHM 2
88 RESISTOR: 1/4W +-5% 560 OHM 1
89 RESISTOR: 1/4W +-5% 10K OHM 12
90 RESISTOR: 1/4W +-5% 15 OHM 2
91 RESISTOR: 1/4W +-5% 4K7 OHM 8
92 RESISTOR: 1/4W +-5% 1K OHM 5
93 RESISTOR: 1/4W +-5% 2.2 OHM 3
94 RESISTOR: 1/4W +-5% 150 OHM 3
95 RESISTOR: 1/4W +-5% 3K3 OHM 8
96 RESISTOR: 1/4W +-5% 27K OHM 2
97 RESISTOR: 1/4W +-5% 56K OHM 1
98 RESISTOR: 1/4W +-5% 6K8 OHM 2
99 RESISTOR: 1/4W +-5% 22K OHM 6
100 RESISTOR: 1/4W +-5% 15K OHM 1
101 RESISTOR: 1/4W +-5% 47K OHM 2
102 RESISTOR: 1/4W +-5% 100K OHM 3
103 RESISTOR: 1/4W +-5% 39K OHM 1
104 RESISTOR: 1/4W +-5% 47K OHM 4
105 RESISTOR: 1/4W +-5% 2K2 OHM 2
106 CERAMIC CAP.: 0.001UF 7
107 CERAMIC CAP.: 0.1UF 13
108 CERAMIC CAP.: 0.02UF 10
109 CERAMIC CAP.: 0.047UF 5
110 CERAMIC CAP.: 470P 2
111 CERAMIC CAP.: 56P 1
112 CERAMIC CAP.: 01UF 7
113 CERAMIC CAP.: 47P 1
114 CERAMIC CAP.: 0033UF 2
115 CERAMIC CAP.: 15P 2
116 ELCT. CAP.: 100UF 16V 5

-13 -
Model No.: RC-2200C
Version: 1.0
117 ELCT. CAP.: 100UF 10V (6 x 5mm) 1
118 ELCT. CAP.: 47UF 16V 12
119 ELCT. CAP.: 100UF 25V 1
120 ELCT. CAP.: 10UF 25V 4
121 ELCT. CAP.: 22UF 16V 2
122 ELCT. CAP.: 220UF 16V 1
123 ELCT. CAP.: 470UF 16V 2
124 ELCT. CAP.: 1000UF 16V (10 x 12mm) 2
125 ELCT. CAP.: 2200UF 25V 1
126 ELCT. CAP.: 1UF 25V 2
127 ELCT. CAP.: 4.7UF 25V 1

-14 -
Model No.: RC-2200C
Version: 1.0
MAIN BOARD ASSY
128 RECTIFIER DIODE: 1N4001 5
129 DIODE: 1N4148 2
130 ZENER DIODE: 9V1 1
131 TRANSISTOR: 8550 2
132 TRANSISTOR: C1346 2
133 TRANSISTOR: 9013H 1
134 TRANSISTOR: A608H 1
135 TRANSISTOR: B764 1
136 TRANSISTOR: 9014C 2
137 TRANSISTOR: D882 1
138 CRYSTAL: 16.9344MHz +-30ppm 1
139 CHOKE COIL: 10UH 1
140 FERRITE COIL: T18 x 10 x 6mm 1
141 WAFER: 2P (V TYPE) 1
142 WAFER: 2P (V TYPE) 1
143 WAFER: 3P (V TYPE) 1
144 WAFER: 4P (V TYPE) 1
145 WAFER: 9P (V TYPE) 1
146 WAFER: 6P (V TYPE) 1
147 3.5mm STEREO JACK: ST212/ SW22D01 1
148 EYELET: 2 x 4mm 7
149 BARE WIRE 50
150 P.C.BOARD: SP011 (BATTERY BD.) 1 KB-1150

-15 -
Model No.: RC-2200C
Version: 1.0
CASING ASSY
151 DECK MECHANISM: 6 KEYS DC12V TN-21VC
SP-011
1
152 SPEAKER 3” 8 OHM 5W (45mm CORE) 1
153 SPEAKER GRILL 2
154 FM ANT. 128# 1
155 SOLDERING LUG “8” 1
156 BATTERY CONTACT “+” 4
157 BATTERY CONTACT “-” 4
158 RECORDING PLATE 1
159 SP-011 CD DOOR SPRING 1
160 SP-011 CASS. DOOR SPRING 1
161 SPEAKER CLAMP “L1” 1
162 SPEAKER CLAMP “L2” 1
163 SPEAKER CLAMP “R1” 1
164 SPEAKER CLAMP “R2” 1
165 POWER TRANSFORMER: EI-48 1 E48014P
166 AC SOCKET: VDE 1 H03VVH2-F
167 AC LINE CORD 1 SV-2402
168 HEAT SINK: POWER AMP 1
169 HEAT SINK: D882 1
170 HEAT SINK: CD 1
171 BLACK FELT: CD RING 1
172 METAL BRACKET 1
173 3 CORES SHIELD WIRE: 180mm 1
174 JUMPER WIRE: 200mm BLACK 1
175 JUMPER WIRE: 500mm RED 1
176 JUMPER WIRE: 300mm BLACK 1
177 JUMPER WIRE: 200mm BLACK, BROWN 2
178 JUMPER WIRE: 100mm BLACK 1
179 JUMPER WIRE: 100mm RED 1
180 JUMPER WIRE: 200mm BLACK 1
181 JUMPER WIRE: 120mm RED, BLACK 2
182 JUMPER WIRE: 220mm YELLOW 2
183 JUMPER WIRE: 60mm BROWN 2
184 JUMPER WIRE: 60mm WHITE, YELLOW 2
185 JUMPER WIRE: 60mm RED 2
186 JUMPER WIRE: 200mm RED 1
187 JUMPER WIRE: 60mm BLACK 1
188 JUMPER WIRE: 50mm BLACK 1

-16 -
Model No.: RC-2200C
Version: 1.0
189 FLAT WIRE: 2P 50mm (PITCH: 2mm) 1
190 FLAT WIRE: 2P 50mm (PITCH: 2mm) 3
191 JST HOUSING: 6P x 200mm (BOTH END) 1
192 JST HOUSING: 2P x 150mm 1
193 JST HOUSING: 2P x 100mm 1
194 JST HOUSING: 2P x 300mm 1
195 JST HOUSING: 9P x 320mm 1
196 JST HOUSING: 3P x 350mm 1
197 JST HOUSING: 4P x 300mm 1
198 JST HOUSING: 2P x 300mm 1
199 JST HOUSING: 6P x 200mm 1
200 FPC FILM CONNECTOR 16P x 220mm 1
201 NUT: M3
202 MACHINE SCREW: M3 x 10PM 1
203 MACHINE SCREW: M2 x 3PM 1
204 MACHINE SCREW: M3 x 8PM 1
205 MACHINE SCREW: M2 x 3PM 1
206 MACHINE SCREW: M2 x 4PM 2
207 MACHINE SCREW: M2.6 x 6PM 1
208 SCREW: ST2.6 x 10 PWA 1
209 SCREW: ST3 x 8 PWA 2
210 SCREW: ST3 x 14 PWA 2
211 SCREW: ST2.3 x 12 PA 2
212 SCREW: ST3 x 10 PA 12
213 SCREW: ST2.6 x 10 PA 1
214 SCREW: ST3 x 8 KA 2
215 SCREW: ST2.6 x 18 x 10 PWA 4
216 SCREW: ST3 x 10 PWA 1
217 SCREW: ST2 x 4 PA 1
218 SCREW: ST3 x 10 PA 6
219 SCREW: ST3 x 32 PA 2
220 SCREW: ST3 x 25 PA 2
221 SCREW: ST3 x 10 KA 3
222 SCREW: ST3 x 6 PA 2
223 SCREW: ST3 x 8 PA 2
224 FRONT CAB. 1 HIP 650
225 REAR CAB. 1 HIP 650
226 CASS. DOOR 1 ABS GA850
227 CASS. DOOR BRACKET 1 ABS GA850
228 HANDLE 1 ABS GA850

-17 -
Model No.: RC-2200C
Version: 1.0
229 HANDLE COVER 1 ABS GA850
230 BATTERY DOOR 1 ABS GA850
231 FUNCTION KNOB ADAPTOR 1 ABS GA850
232 BAND SW. KNOB ADAPTOR 1 ABS GA850
233 BAND SW. KNOB 1 ABS GA850
234 FUNCTION KNOB 1 ABS GA850
235 BASS BOOST KNOB 1 ABS GA850
236 VOL. KNOB 6 ABS GA850
237 VOL. KNOB BRACKET 1 ABS GA850
238 TUNING KNOB 2 ABS GA850
239 TUNING KNOB BRACKET 1 ABS GA850
240 VC POST 1 ABS GA850
241 DIAL POINTER 1
242 DAIL POINTER BRACKET 1 ABS GA850
243 CASS. KNOB ADAPTOR 1 ABS GA850
244 CASS. GEAR 1 ABS GA850
245 GEAR BRACKET 1 ABS GA850
246 CD BRACKET 1 ABS GA850
247 CD DOOR 1 ABS GA850
248 SPEAKER MTG BRACKET 1 ABS GA850
249 CD PRESS KNOB 1 ABS GA850
250 CASS. KNOB 1 ABS GA850
251 DISPLAY LENS 1 ABS GA850
252 CD COVER LENS 1 ABS GA850
253 AC SOCKET COVER 1 ABS GA850

-18 -
Model No.: RC-2200C
Version: 1.0
254 CD PARTS:
255 CD MECHANICM SANYO DA11T3CN 1
256 CD MAGNET 1
257 CD CHECKING PLATE: METAL 1
258 CD CHECKING PLATE: PLASTIC 1
259 SCREW: 2.6 x 16mm PLANE WASHER 4
260 SCREW: 2 x 4 pm 1
261 RUBBER: SILICON RUBBER 30 (RED) 2
262 RUBBER: SILICON RUBBER 40 (GREEN) 2
263 BACK PLATE 1
264 CD LASER LABEL 1
265 CD CLASS 1 LABEL 1
266 WARNING LABEL 1
267 BAR CODE LABEL 1
268 GIFT BOX 1
269 CARTON 0.13
270 PLASTIC BAG: 16” x 20” 1
271 INSTRUCTION BOOK 1
272 POLYFOAM “L” 1
273 POLYFOAM “R” 1
274 PLASTIC BAG: FOR AC LINE CORD 3 x 9” 1

CIRCUIT DIAGRAM 19

SCHEMATIC DIAGRAM 20