Super Star 4900B Service Manual Download Page 60 | Manualshive

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REF. DESCRIPTION

SPECIFICATION

QTY

CODE

NO.

ASSY TRANS CHA

1

80229013

TF-2

TRANS

BS-29 (E) 120V / 16V, 5A

1

26020009

MAIN TRANS CHASSIS

EGI 1T

1

62000088

SCREW-PH, T/P2

(+) M3*L6, FNW

2

68000022

WASHER-PLAIN M4,

FNW

4

68000025

SCREW-B/H M/C

(+) M4*L12, FZY

4

68000060

WASHER-SPRING M4,

FZY

4

68000061

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Summary of Contents for 4900B

Page 1: ...Superstar documentation Discussion Group This manual is by no way complete Rev History Rev 1 0 a Put up on the site Rev 1 1 a Worked on the Alignment hook up diagrams b Put the parts lists with the bo...

Page 2: ...IMPEDANCE 50 ohm Unbalanced MIC IMPEDANCE 2000 OHM RECEIVER SECTION CIRCUIT TYPE DUAL CONVERSION SUPERHETERODYNE IF FREQUENCY 1st IF 10 695MHz 2 nd IF 455KHz SENSITIVITY FM 0 5uV FOR 20dB SINAD With C...

Page 3: ...00 TO 92 KEC FINAL PA Q73 25C1969 CH MITSUBISHI FINAL PA Q74 25C1969 CH MITSUBISHI DRIVER Q72 25C2166 MITSUBISHI AVR SWITCH Q65 KTA1940 KEC NB B SWITCHING Q1 KRA104 KEC NB B SWITCHING Q2 KRC110S KEC N...

Page 4: ...N4001 KEC BIAS D74 1N4001 KEC NB DC DETECT D1 1N60 KEC NB DC DETECT D2 1N60 KEC CAL SWR METER DETECT D77 1N60 KEC RX SIGNAL METER DET D7 1N60 KEC RX AM SSB DET D23 1N60 KEC RX AM SSB DET D24 1N60 KEC...

Page 5: ...SS4900 Block Diagram...

Page 6: ...SS4900 Adjustment Locations...

Page 7: ...Section 1 RF Signal Generator 2 RF Power Meter 3 Distortion Meter 4 DC Power Supply Alignment Procedure 1 Phase Looked Loop And CPU Section STEP SETTING CONNECTION ADJUST ADJUST FOR 1 Frequency Adjus...

Page 8: ...power meter with dummy load to spectrum analyzer through coupler 40dB atten to EXT ANT 1 Jack on the set Figure 5 At no modulation Compare the level of fundamental freq spectrum to the level of harmo...

Page 9: ...D FM 1 2kHz_DEV Connect RF signal generator to external ANT Jack Connect RF power meter and distortion meter Across EXT Speaker out jack with 8 dummy load Figure 8 RV2 At each mode Adjust the point un...

Page 10: ...Figure 1 Figure 2 Figure 3...

Page 11: ...Figure 4 Figure 5 Figure 6...

Page 12: ...Figure 7 Figure 8...

Page 13: ...ation To open the AMC Automatic Modulation Control circuit locate Q43 SMD in grid location G1 on the main PCB Carefully unsolder and lift the center pin up from the PCB or remove the part entirely Exp...

Page 14: ...the unit may occur Many service techs often short these pins to determine the mic wiring config Shorting the 13 8VDC on pin 6 to other pins such as pin 4 may result in damage to the Microprocessor or...

Page 15: ...Semiconductor Lead Identification And Internal Diagrams IC s ASC PCB IC 1 NJM324 M Main PCB IC 1 MC3361 SMD...

Page 16: ...Main PCB IC 2 KIA324F Main PCB IC 4...

Page 17: ...Reference Voltage output 5 IIN Input inhibit 6 PDN Control input for the stand by power down mode 7 8 OSC1 OSC2 Clock input output 9 GND Ground pin 10 OE Output Enable input 11 14 Q1 Q4 Three state da...

Page 18: ...RAIN MODE IN IN 9 P40 INT3 TC3 TRI STATE N C 10 P41 PWM PDO TRI STATE BEEP TONE OUT FOR 1750HZ OUT 11 P42 SCK1 TRI STATE SQ OUT OUT HIGH SQ ON 12 P43 S11 TRI STATE ASC CONTROL OUT HIGH ASC ON 13 P44 S...

Page 19: ...OR 3 IN IN 39 VAREF ANALOG INPUT AD REFERENCE HIGH VILTAGE 40 VDD ANALOG INPUT VDD 41 P70 SEG31 OPEN DRAIN LC7584 DATA OUT OUT 42 P71 SEG30 OPEN DRAIN LC7584 DATA IN OUT 43 P72 SEG29 OPEN DRAIN LC7584...

Page 20: ...Main PCB IC 8 X24C02 PIN DESCRIPTION A0 A1 A2 Address Inputs SDA Serial Data SCL Serial Clock WC Write Control VSS Ground VCC Supply Voltage...

Page 21: ...illator signal output AOB 20 Low pass filter transistors VDD 17 Power supply OUTB 19 General purpose output port VSS 15 Ground LDA 6 Side A unlock detection CE 2 Chip enable PDA2 9 Sub charge pump CL...

Page 22: ...Main PCB IC 10 78L05 SOT 89 Main PCB IC 11 KIA7217AP...

Page 23: ...Main PCB IC 12 TDA6130 5 Main PCB IC 13 KIA7045F Main PCB IC 14 KIA7810 TO 220...

Page 24: ...Front PCB IC 401 LC75854W...

Page 25: ...And Internal Diagrams Transistors SMT Transistors SOT23 NPN PNP KRC107 KRA102S KRC110S KRA104 KTC3878 KTA1504S KTC3879 KTC3880S Device Mark PNP KRA102S PB KRA104 PD KTA1504S AS NPN KRC107 NH KRC110S N...

Page 26: ...Transistors KTA1940 2SC 1969 CH 2SC 2166...

Page 27: ...Semiconductor Lead Identification And Internal Diagrams Diodes...

Page 28: ...SS4900 Main PCB Component Layout...

Page 29: ...SS4900 Main PCB Top Pattern...

Page 30: ...SS4900 Main PCB Bottom Pattern...

Page 31: ...NPN KTC3875S 13210009 Q18 B4 TR NPN KTC3880S 13210002 Q19 B5 TR NPN KTC3880S 13210002 Q21 B5 TR NPN KRC112S 13210011 Q22 C6 TR NPN KTC3880S 13210002 Q23 D6 TR NPN KTC3880S 13210002 Q24 E5 TRASISTOR K...

Page 32: ...SISTOR FIXED 6 8K J 1 16W 0603 15210682 R12 C5 RESISTOR FIXED 6 8K J 1 16W 0603 15210682 R13 C5 RESISTOR FIXED 100K J 1 16W 0603 15210104 R14 C5 RESISTOR FIXED 1M J 1 16W 0603 15210105 R15 C5 RESISTOR...

Page 33: ...15210473 R97 D6 RESISTOR FIXED 560 J 1 16W 0603 15210561 R98 E5 RESISTOR FIXED 1 5K J 1 16W 0603 15210152 R99 E5 RESISTOR FIXED 220K J 1 16W 0603 15210224 R101 E5 RESISTOR FIXED 680 J 1 16W 15210681 R...

Page 34: ...7K J 1 16W 0603 15210472 R189 G1 RESISTOR FIXED 10K J 1 16W 0603 15210103 R191 G3 RESISTOR FIXED 2 2K J 1 16W 0603 15210222 R192 G3 RESISTOR FIXED 4 7K J 1 16W 0603 15210472 R201 G5 RESISTOR FIXED 10...

Page 35: ...03 R289 D1 RESISTOR FIXED 68 J 1 16W 0603 15210680 R290 D2 RESISTOR FIXED 3 9 1W 160203R9 R291 B2 RESISTOR FIXED 5 6K J 1 16W 0603 15210562 R292 C4 RESISTOR FIXED 1 5K J 1 16W 0603 15210152 R293 B3 RE...

Page 36: ...ESISTOR FIXED 10K J 1 16W 0603 15210103 R607 H5 RESISTOR FIXED 10K J 1 16W 0603 15210103 R608 H4 RESISTOR FIXED 10K J 1 16W 0603 15210103 R609 RESISTOR FIXED 100K J 1 16W 0603 15210104 R611 F5 RESISTO...

Page 37: ...5 17010223 C35 D3 C CERAMIC GRM39 Y5V 473Z 50 17010473 C36 C4 C CERAMIC GRM39 YSV 104Z 25 17010104 C38 C4 C ELECT 47 F M 16V SMS 18050047 C39 E3 C CERAMIC GRM39 COG 100D 50 17010100 C41 F4 C ELECT 47...

Page 38: ...K 50 17010103 C132 F6 C ELECT 220 F M 16V SHL 18020227 C133 F6 C CERAMIC GRM39 X7R 103K 50 17010103 C135 C CERAMIC GRM39 COG 101J 50 17010101 C136 C ELECT 47 F M 16V SMS 18050047 C137 F5 C CERAMIC GRM...

Page 39: ...LECT 33 F M 25V SMS 18050033 C230 D1 C CERAMIC GRM39 X7R 472K 50S 17010472 C231 D1 C CERAMIC GRM39 Y5V 473Z 50 17010473 C232 D1 C ELECT 47 F M 16V SMS 18050047 C233 E1 C ELECT 1000 F M 25V SMS 1805100...

Page 40: ...CERAMIC GRM39 COG 030C 50 17010030 C315 B4 C CERAMIC GRM39 X7R 103K 50 17010103 C317 B4 C CERAMIC GRM39 X7R 103K 50 17010103 C318 B3 C CERAMIC GRM39 COG 101J 50 17010101 C319 B3 C CERAMIC GRM39 X7R 10...

Page 41: ...TCH KDS184 19610003 D46A F5 DIODE SWITCH KDS184 19610003 D47 F5 DIODE SWITCH KDS181 19610001 D48A G5 DIODE SWITCH KDS184 19610003 D51 E3 DIODE SWITCH KDS184 19610003 D52 F3 DIODE SWITCH KDS184 1961000...

Page 42: ...LB317 21420074 T218 COIL IFT LB318 21420075 T219 COIL IFT LB319 21420076 L1 INDUCTOR AXIAL 10 h 03 TYPE 21620008 L2 INDUCTOR AXIAL 10 h H 03 TYPE 21620017 L3 COIL AXIAL LAL 03 220 h 21620014 L9 COIL...

Page 43: ...28 X 2 X TAL 3 579545 Mhz 49 U 23020029 X 3 X TAL 49 U 4 5 Mhz 23020039 X 4 X TAL 10 6975 Mhz 49 U 23020031 CF 1 X TAL FILTER 10M 7 5B 10 695 Mhz 24220010 CF 2 X TAL FILTER 10M 7 5B 10 695 Mhz 2422001...

Page 44: ...SS4900 Front PCB Component Layout Top and Bottom...

Page 45: ...SS4900 Front PCB Pattern Top and Bottom...

Page 46: ...OR FIXED 100 J 1 16W 0603 15210101 R407 B14 RESISTOR FIXED 680 J 1 16W 15210681 R413 D14 RESISTOR FIXED 2 2K J 1 16W 0603 15210222 R415 E9 RESISTOR FIXED 1K J 1 16W 0603 15210102 R420 B4 RESISTOR FIXE...

Page 47: ...6 SWITCH TACT SMD 1101 35010003 SW27 SWITCH TACT SMD 1101 35010003 SW28 SWITCH TACT SMD 1101 35010003 SW29 SWITCH TACT SMD 1101 35010003 SW30 SWITCH TACT SMD 1101 35010003 SW31 SWITCH TACT SMD 1101 35...

Page 48: ...SS4900 Power Supply PCB Component Layout Top and Bottom...

Page 49: ...F 25V 18050109 C951 C CERAMIC DISK 0 1UF Z 50V 17040104 C952 C CERAMIC DISK 0 1UF Z 50V 17040104 C953 C CERAMIC DISK 0 1UF Z 50V 17040104 C954 C CERAMIC DISK 0 1UF Z 50V 17040104 BD1 DIODE BRIDGE KBPC...

Page 50: ...SS4900 ASC PCB Component Layout Top and Bottom SS4900 ASC PCB Pattern Top and Bottom...

Page 51: ...ASC PCB Schematic Diagram...

Page 52: ...15210103 R13 RESISTOR FIXED 470K J 1 16W 0603 15210474 R14 RESISTOR FIXED 8 2K J 1 16W 0603 15210822 R15 RESISTOR FIXED 22K J 1 16W 0603 15210223 R16 RESISTOR FIXED 10K J 1 16W 0603 15210103 R17 RESIS...

Page 53: ...M M 6PIN 6 COLOR 32420048 C345 C CERAMIC GRM39 X7R 472K 50S 17010472 C346 C CERAMIC GRM39 X7R 472K 50S 17010472 C348 C CERAMIC GRM39 X7R 472K 50S 17010472 C349 C CERAMIC GRM39 X7R 472K 50S 17010472 L2...

Page 54: ...3 NC 4 Switched supply voltage 13 2 Vdc 5 Ground 6 AF out needed for Voice Recorder Tape 5 Tone Selective Call System 7 AF in 8 PTT low TX and FM AF Noise Used for AKE FM Select 9 Squelch input High S...

Page 55: ...17010472 C375 C CERAMIC GRM39 X7R 472K 50S 17010472 C376 C CERAMIC GRM39 X7R 472K 50S 17010472 C377 C CERAMIC GRM39 X7R 472K 50S 17010472 L41 INDUCTOR AXIAL 10 h 03TYPE 21620008 L36 INDUCTOR AXIAL 10...

Page 56: ...2A153 RESISTOR VARIABLE V9MDN 3B10K 15A 50K 1 1662C203 RESISTOR VARIABLE V9MDN 3B5K 3B 20K 1 MIC VR403 1662C502 RESISTOR VARIABLE V9MDN 3B20K 3B 5K 1 CAL VR404 32420060 CON ASSY 8283 H B 70M M V 6PIN...

Page 57: ...Y REF 80213018 ASSY CH PCB 1 15210106 RESISTOR FIXED 10M J 1 16W 0603 15210153 RESISTOR FIXED 15K J 1 16W 0603 15210390 RESISTOR FIXED 39 J 1 16W 0603 15210391 RESISTOR FIXED 390 J 1 16W 0603 32420036...

Page 58: ...T S W DT1101S 35010001 CM801 C MIC CMP 756 S6dB 9 7P1 30620002 CON801 CONN MIC P SCN 16 6 P 32020004 R801 RESISTOR FIXED 12K J 1 16W 0603 15210123 R802 RESISTOR FIXED 10K J 1 16W 0603 15210103 R804 RE...

Page 59: ......

Page 60: ...O ASSY TRANS CHA 1 80229013 TF 2 TRANS BS 29 E 120V 16V 5A 1 26020009 MAIN TRANS CHASSIS EGI 1T 1 62000088 SCREW PH T P2 M3 L6 FNW 2 68000022 WASHER PLAIN M4 FNW 4 68000025 SCREW B H M C M4 L12 FZY 4...

Page 61: ...BUTTON PTT ABS BLK 1 61000110 HANGER MIKE ABS BLK 1 61000497 M FUNCTION BUTTON ABS SILK 1 62000030 PLATE WEIGHT SPC 3t ZN 1 65000023 P MIKE FRONT PC 0 254T SILK 1 68000015 SCREW B H T P2 M2 6 L12 FZB...

Page 62: ...62000085 MAIN TOP CHASSIS EGI iT 1 68000030 NUT HEXAGON M3 FZY 4 68000053 SCREW F H M C M3 L6 FZB 4 70000105 SPEAKER FELT FELTO 5T 1 80229004 ASSY FRONT 1 61000489 VOLUME KNOB BLK SPRAY 1 61000571 VO...

Page 63: ...ACK 60 3M M1 AL SW 37020061 WIRE ANT1 RG5178 60M M 1 37020062 WIRE ANT2 RG5178 96M M 1 37020067 AC CABLE 0 75MM 2C i8OCM AC12 1 AC IN 42020003 FUSE HOLDER FUSE HOLDER FH 30 1 42020004 FUSE 125V 0 5A 1...

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