TA2068N TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA2068N SYSTEM PREAMPLIFIER FOR SINGLE CASSETTE DECK F e The TA2068N is system preamplifier IC for single deck radio-cassette tape player. This IC have built-in function for single cassette deck and mixing amp for KARAOKE and Function switch for source selector. EATURES Dual Channel Built-in EQ Amp, REC Amp, Monitor Amp, Mic (Mixing) Amp SDIP24-P-300-1.78 Weight : 1.2g (Typ.) Mic Amp is suitable for both inner mic and mixing mic. Built-in source selector switch ; RADIO-IN/TAPE-IN / AUX-IN 6-operation mode are available for INNER MIC set and MIXING MIC set. 1) TAPE PLAY-BACK 1) TAPE PLAY-BACK with MIC MIXING 2) LINE-IN PLAY 2) LINE-IN PLAY with MIC MIXING 3) RADIO PLAY 3) RADIO PLAY with MIC MIXING 4) MIC RECORDING without MONITOR 4) MIC RECORDING with MONITOR 5) LINE-IN RECORDING AND PLAY 5) LINE-IN RECORDING AND PLAY with MIC MIXING 6) RADIO RECORDING AND PLAY 6) RADIO
TA2068N TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA2068N SYSTEM PREAMPLIFIER FOR SINGLE CASSETTE DECK The TA2068N is system preamplifier IC for single deck radio-cassette tape player. This IC have built-in function for single cassette deck and mixing amp for KARAOKE and Function switch for source selector. FEATURES @ Dual Channel Built-in EQ Amp, REC Amp, Monitor Amp, Mic (Mixing) SDIP24-P-300-1.78 Amp Weight : 1.2g (Typ.) Mic Amp is suitable for both inner mic and mixing mic. @ Built-in source selector switch ; RADIO-IN/TAPE-IN / AUX-IN 6-operation mode are available for INNER MIC set and MIXING MIC set. 1) TAPE PLAY-BACK 1) TAPE PLAY-BACK with MIC MIXING 2) LINE-IN PLAY 2) LINE-IN PLAY with MIC MIXING 3) RADIO PLAY 3) RADIO PLAY with MIC MIXING 4) MIC RECORDING without MONITOR 4) MIC RECORDING with MONITOR 5) LINE-IN RECORDING AND PLAY 5) LINE-IN RECORDING AND PLAY with MIC MIXING 6) RADIO RECORDING AND PLAY 6) RADIO
TA2068N TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2068N System Preamplifier for Single Cassette Deck The TA2068N is system preamplifier IC for single deck radio-cassette tape player. This IC have built-in function for single cassette deck and mixing amp for KARAOKE and Function switch for source selector. Features * Dual channel * Built-in EQ amp, REC amp, monitor amp, MIC (mixing) amp * MIC amp is suitable for both inner mic and mixing mic * Built-in source selector switch; RADIO-IN/TAPE-IN/AUX-IN * 6-operation mode are available for INNER MIC set and MIXING MIC set Weight: 1.2 g (typ.) 1. TAPE PLAY-BACK 2. LINE-IN PLAY 3. RADIO PLAY 4. MIC RECORDING without MONITOR 5. LINE-IN RECORDING AND PLAY 6. RADIO RECORDING AND PLAY 1. APE PLAY-BACK with MIC MIXING 2. INE-IN PLAY with MIC MIXING 3. ADIO PLAY with MIC MIXING 4. IC RECORDING with MONITOR 5. INE-IN RECORDING AND PLAY with MIC MIXING 6. ADIO RECORDING AND PLAY wit
TA2068N TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2068N System Preamplifier for Single Cassette Deck The TA2068N is system preamplifier IC for single deck radio-cassette tape player. This IC have built-in function for single cassette deck and mixing amp for KARAOKE and Function switch for source selector. Features * Dual channel * Built-in EQ amp, REC amp, monitor amp, MIC (mixing) amp * MIC amp is suitable for both inner mic and mixing mic * Built-in source selector switch; RADIO-IN/TAPE-IN/AUX-IN * 6-operation mode are available for INNER MIC set and MIXING MIC set Weight: 1.2 g (typ.) 1. TAPE PLAY-BACK 2. LINE-IN PLAY 3. RADIO PLAY 4. MIC RECORDING without MONITOR 5. LINE-IN RECORDING AND PLAY 6. RADIO RECORDING AND PLAY 1. APE PLAY-BACK with MIC MIXING 2. INE-IN PLAY with MIC MIXING 3. ADIO PLAY with MIC MIXING 4. IC RECORDING with MONITOR 5. INE-IN RECORDING AND PLAY with MIC MIXING 6. ADIO RECORDING AND PLAY wit
TA2068N TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA2068N SYSTEM PREAMPLIFIER FOR SINGLE CASSETTE DECK The TA2068N is system preamplifier IC for single deck radio-cassette tape player. This IC have built-in function for single cassette deck and mixing amp for KARAOKE and Function switch for source selector FEATURES Dual Channel @ Built-in EQ Amp, REC Amp, Monitor Amp, Mic (Mixing) Amp SDIP24-P-300-1.78 Weight : 1.2g (Typ.) @ Mic Amp is suitable for both inner mic and mixing mic. Built-in source selector switch ; RADIO-IN /TAPE-IN / AUX-IN 6-operation mode are available for INNER MIC set and MIXING MIC set. 1) TAPE PLAY-BACK 1) TAPE PLAY-BACK with MIC MIXING 2) LINE-IN PLAY 2) LINE-IN PLAY with MIC MIXING 3) RADIO PLAY 3) RADIO PLAY with MIC MIXING 4) MIC RECORDING without MONITOR 4) MIC RECORDING with MONITOR 5) LINE-IN RECORDING AND PLAY 5) LINE-IN RECORDING AND PLAY with MIC MIXING 6) RADIO RECORDING AND PLAY 6) RADIO
R_ch VCO CHECK ST IND PILOT DET LPF PLL LPF 1 4 3 2 BAND PASS MUTE RIPPLE FILTER DECORD AMP 1 TUNING INDICATOR PD 2 J AGC : AFC VCO 17 16 15 14 13 1k 1k 10k MIC IN 18 R. LIN 19 TAPE 20 R. RAD 21 LINE REC 22 R. LO L. RAD 23 VCC MIC I/EX 24 L. LO LIN IC301 TA2068N 10k LOGIC 1k 10k 10k ON ON MUTE ----- TAPE MUTE LINE 10k 10k BUF AMP B2 BUF AMP B1 TAPE 10k MONITOR AMP MONITOR AMP LINE 6k 7dB RADIO RADOI 7dB ----- TAPE 6k 15k 10k TAPE 10k BUF AMP BUF AMP A2 A1 10k 10k 10k 10k NAB AMP1 ON ALC2 ALC1 26dB NAB AMP2 26dB REC AMP1 MIC AMP1 MUTE REC AMP2 DET 1k 10k 6 L. NF L. RO L. IN REF 7 8 9 10 11 -- 35 -- 12 MIC NF 5 R. PO 4 R. NF 3 R. RO 2 R. IN 1 L. PO AMP AGC REF GND 2.1 RF_O RF_I CP CB CC1 CC2 FOK 37 RF_M PDO 38 RFTC PD1 39 LD PD2 IC701 CXA1992BR 36 35 34 33 32 31 30 29 28 27 VEE PD2 IV AMP RF SUMMING AMP PD1 IV AMP FE_ BIAS 40 VCC LASER POWER CONTROL F IV AMP VCC VCC VCC FE AMP E IV AMP 24 SENS1 24 C. OUT IFB5 IFB6 IFB4 IFB3 IFB2 IFB1 DFCT 23 XRST 22 DATA 21 XLT 20 CLK 19 LOCK 18 VCC 17 ISET 16 SL_
ation. Note: * X : parts extracted from the component side. * : Pattern from the side which enables seeing. CFD-V8L 6-10. SCHEMATIC DIAGRAMS - CONTROL/POWER SECTION - C301 100 10V S401 C102 47 10V R301 R103 1M 68k R102 68 C104 0.0022 C101 1000p S402 IC301 TA2068N C103 0.047 R421 R422 R423 R424 R304 1k JC302 0 C206 1 50V R201 15k C205 47p C203 0.047 R302 4.7k R204 2.2k CN401 16P C106 1 50V R211 4.7k R205 JC301 0 15k C201 1000p CN303 12P R206 2.2k C204 0.0022 R106 2.2k R203 68k C202 R202 68 47 10V C303 470 10V -2 T301 BIAS COIL C305 470p C310 220p S406 C105 47p R101 15k C207 470p -1 S405 JC303 0 R303 4.7k S301 S404 R111 4.7k C302 100 10V R210 100 S403 R104 2.2k C107 470p R110 100 4.7k 4.7k 4.7k 4.7k R305 470 R314 470 C304 47 10V JC309 Q301 2SC1623 BIAS OSC C306 0.01 R310 1M R309 47 JC304 0 1/16 R315 470 R306 6.8k R308 22k Q302 KRC402-RTK R105 15k R307 10 C307 0.0022 T901 KH904 2P D902 1N4002B KH901 2P C902 0.022 F901 T2.5AL/250V C904 0.022 D901 1N4002B C901 0.022 CNJ901 C905 0.022 D904 1N4002B D903
RP301 RECORD/ PLAYBACK HEAD R303 5 C205 C105 R106 R201 JC304 R302 R301 BLK R112 WHT R210 S301 C102 YEL RED PB C207 REC/PB PRE AMP R112 15k C101 0.001 1 R203 C203 R204 R212 C104 R110 C204 R102 R103 R101 C107 C103 R104 C101 C201 B C302 IC301 R206 R202 IC301 TA2068N R103 68k C104 0.0022 C304 C202 S301 REC REC C102 100 R102 10V 68 R307 R306 R305 J A C305 R308 C306 R301 1M C307 R205 JC301 JC303 Q301 11 (11) REC PB HRP301 RECORD/ PLAYBACK HEAD -1 -2 C204 0.0022 C202 R202 100 68 10V 26 R.PO R.LIN C306 0.01 C304 47 10V R302 4.7k R304 1k JC303 0 C303 100 10V R309 47 R105 15k R205 15k JC301 0 JC304 0 R305 150 C307 0.001 JC305 0 MIC R306 6.8k R308 22k 26 TAPE R206 3.3k C305 470p Note on Printed Wiring Boards: * X : parts extracted from the component side. * : Pattern from the side which enables seeing. R.NF R203 68k JC306 0 R303 4.7k R106 3.3k T301 BIAS COIL HE301 ERASE HEAD R.RAD R204 3.3k JC307 0 LINE R.RO MIC.NF R212 15k C203 0.047 JC308 0 Q301 2SD601A-S BIAS OSC R307 10 CN303 9P CD_IN_L CD_IN_R L_OUT R_
AB IN2 8 RADIO REC AMP1 REC 4 OUT1 NAB 5 IN1 GND 7 TAPE TTL IIL TM1 32 FILTER 31 IN2 30 NF2 AGND 1 IN1 2 NF1 3 TONE NAB 3 NF1 TAPE NAB AMP1 BUF AMP A1 LINE 24 IN1 23 INT EXT 22 RADIO IN1 21 REC PLAY CONTROL LINE BH3854AS TONE ALC 1 NAB 2 OUT1 VREF 6 IC302 TA2068N 26 SENS2 25 SENS1 24 C. OUT IIC DATA REGISTER, INPUT SHIFT REGISTER, ADDRESS DECODER, SENSE SELECTOR, OUTPUT DECODER BALH VEE - MAIN Board - IC301 TGL IIL TTL 376315150 892498299 376315150 892498299 TEL TGH TRACKING GAIN WINDOW COMPARATOR TGFL QQ QQ IFIN 11 FOCUS BIAS WINDOW COMPARATOR FOCUS ERROR AMP VEE CC1 14 B04 TG2 DECODE 13 LPF1/BAND CC2 15 VDD TGU 14 LPF2/MO-ST DEFECT AMP PEAK/BOTTOM HOLD BAL1 - BAL4 VCO DIVIDE L OUT 12 IIL TTL 13942296513 13942296513 MUTE MIRR COMPARATOR 16 VSS ST/MO FM/AM R OUT 11 CP PEAK/BOTTOM HOLD DFCT1 I02 10 15 MPX IN LASER POWER CONTROL MIRR 9 PHASE DETECTOR CHARGE PUMP 12BITS PROGRAMMABLE DIVIDER PS1 - PS4 I01 27 TM1 - TM7 8 VCC 19 AOUT 18 AIN 17 PD LPC B03 28 TGFL 7 29 TG1 - TG2 B02 31 30 FOCUS OK COMPAR
2 PRE 20 OUT1 LOGIC 19 VCC PRE 18 OUT2 REC 9 OUT2 NAB NF2 10 LINE 24 IN1 23 INT EXT 22 RADIO IN1 21 REC PLAY TAPE ALC2 ALC1 VREF 6 IC302 BH3854AFS LINE REC 4 OUT1 NAB 5 IN1 14 IFIN IF COUNT CTL FM MPX NAB AMP1 BUF AMP A1 NAB 3 NF1 20 BIT COUNT P3 10 IC301 TA2068N ALC 1 NAB 2 OUT1 15 P2 LINE MONITOR AMP AGND 1 IN1 2 NF1 3 32 FILTER 31 IN2 30 NF2 BVN1 BIN1 BVO1 TIN1 TVO1 4 5 6 7 8 29 28 27 26 25 OUT1 VCC SC PORT1 9 10 11 12 PORT2 13 RADIO 17 LINE 16 RADIO IN2 15 TAPE TAPE 14 LINE IN2 13 MIC IN - 41 - PORT3 14 PORT4 15 DGND 16 MATRIX SURROUND VR VR TONE QUAD 9 AF BUFF CONTROL GND2 8 18 IF OUT TONE AM IF IN 7 IF BUFF 16 AMIN SHIFT REGISTER LATCH FM IF FM IF IN 6 BVN2 BIN2 BVO2 TIN2 TVO2 24 OUT2 23 22 21 20 19 18 17 VC TC BC CK DATA LATCH VREF 12 PD2/P5 33 CC2 FOK 34 CC1 35 CP RF I 36 CB RF O 37 RF M PD0 38 RFTC PD1 39 LD PD2 IC701 CXA1992BR 32 31 30 29 28 27 VEE PD2 IV AMP RF SUMMING AMP PD1 IV AMP 26 SENS2 IIL FE BIAS 40 25 SENS1 VCC APC TTL F 41 VEE LASER POWER CONTROL F IV AMP FE AMP VCC E 42 24 C
C 24 23 22 21 20 19 18 17 16 15 14 13 SURROUND IC303 BD3870FS-E2 (MAIN Board) TREBLE1 f0=8kHz TREBLE2 f0=8kHz BASS2 f0=80Hz BASS1 f0=80Hz LOGIC VCC/2 VCC/2 VCC/2 9 10 11 12 GND 8 FILTER 7 C2 A1 6 C1 5 B2 4 B1 3 A2 2 SEL1 VIN1 1 VIN2 VCC/2 SEL2 VCC/2 IC301 TA2068N (TC Board) AGC 1 LINE NAB AMP1 BUF AMP A1 L.NF 3 R.IN 8 RADIO 21 REC 2.1 ALC2 ALC1 DET REF AMP BUF AMP B2 REC AMP2 ON 7dB ON 7dB MIC AMP1 MIC.NF 12 MUTE TAPE RADIO MONITOR AMP BUF AMP A2 16 R.LINE 15 TAPE TAPE NAB AMP2 LOGIC 19 VCC 17 LINE ON 26dB R.NF 10 20 L.LO 18 R.LO MUTE R.RO 9 R.PO 11 22 L.LINE BUF AMP MUTE MONITOR AMP B1 26dB L.IN 5 GND 7 23 MIC I/EX TAPE REC AMP1 L.RO 4 REF 6 24 L.RAD TAPE L.PO 2 LINE 14 R.RAD 13 MIC 39 CFD-S20CP Ver 1.2 SECTION 7 EXPLODED VIEWS NOTE: * The mechanical parts with no reference number in the exploded views are not supplied. * Items marked "*" are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. * Abbreviation EA : Saudi Arabi
1k MONITOR AMP 7dB LINE TAPE 17 1k RADIO 18 LOGIC 6k 10k RADIO 19 IC Block Diagrams - CD SECTION - IC701 CXA1992BR IC305 BA338 TAPE 10k 15k 20 1k RADIO REC 21 R.LO L.CD 22 VCC MIC I/EX 23 L.LO L.RAD 24 r PD2 IC Block Diagrams - MAIN SECTION (2/3) - IC301 TA2068N r IC651 TA8409S 20 VCC VCC 19 18 17 16 NC D D SPIN 21 NC D 22 T+ D 23 T- 24 TIN NC 25 NC FIN 26 VCC F+ 27 VCC F- 28 VREFI GND IC702 BA6898FP 15 VREF BLOCK STANDBY BLOCK LEVEL SHIFT LEVEL SHIFT T. S. D. DRIVER MUTE REGULATOR, BIAS, T. S. D. MONITOR - 62 - 4 5 6 7 8 9 SLIN RST REG -B REGD MUTE GND NC 10 11 12 13 14 SPO 3 GND 2 D SP+ 1 HEAT CUT OFF BLOCK D SP- D SIN D SL+ LEVEL SHIFT SL- LEVEL SHIFT - 63 - 1 IN2 2 VCC 3 OUT2 4 NC 5 GND 6 VS 7 OUT1 8 VREF - 64 - 9 IN1 SECTION 6 EXPLODED VIEWS NOTE : * -XX, -X mean standardized parts, so they may have some difference from the original one. * Color indication of Appearance Parts Example : KNOB, BALANCE (WHITE) *** (RED) Parts color Cabinet's color * Items marked " * "are not stocked since they
ystem, built-in PLL, appllicable to new FCC 1.8 to 5.5 V SSOP30-P-300-0.65 SIP9-P-2.54A DIP16-P-300-2.54A SSOP16-P-225-1.00A SSOP24-P-300-0.65A SSOP24-P-300-1.00 SSOP30-P-300-0.65 SDIP24-P-300-1.78 5 ASSPs ICs for Preamplifiers/Line Amplifiers Part Number TA2068N Function / Features Recommended Equipment Operating Car Radio Home General- Voltage Stereo Cassette Stereo Use Amp Package Malaysia China 4 to 9 V SDIP24-P-300-1.78 9 to 18 V HZIP25-P-1.00F TA8264AHQ 41 W x 4 ch (Vcc = 14.4 V max power) Voltage gain 34 dB, AUX IN, mute Output short and overvoltage detection functions Speaker burnt protection 9 to 18 V HZIP25-P-1.00F TA8266HQ 35 W x 4 ch (Vcc = 14.4 V max power) Voltage gain 26 dB, AUX IN, mute Output short and overvoltage detection functions Speaker burnt protection 9 to 18 V HZIP25-P-1.00F TA8275HQ 41 W x 4 ch (Vcc = 14.4 V max power) Voltage gain 26 dB, AUX IN, mute, clip detection Output short and overvoltage detection functions Speaker burnt protection 9 to 18 V HZIP25-P-1.00F TA8276
IF BUFF 1/8 GND2 8 PD APC PD AMP VCC VREF 1.25V FM IF FM IF-IN 7 LD 2 LINE L.PO 2 TAPE 21 FM OSC 1k 20 VCC MUTE FM OSC FM MIX VCC DET AM MIX AM LOW CUT 3 AGCVTH 1 ALC2 ALC1 23 VCC1 22 AM RF-IN FM RF-IN 2 AF IF-IN 6 AGC 1 24 FM RF-OUT FM RF MIX OUT 4 IC301 TA2068N ON GND1 1 IC701 CXA2550M-T6 13 MIC MIC.NF 12 2k 5 14 RFM VC 8k 2k 6p 24p 32k 174k 32k VEE 87k VEE 6 25k VC 260k IC2 LC72137M-TLM CE DI CL DO 1 2 3 4 F E 7 13k 95k 12p 30k VC 12p 30k 8 260k 13k VCC 19 XIN EI 26k 9 30k 5 MW/LW 6 BAND 7 ST-IND 8 BAND 9 DATA SHIFT REGISTER LATCH MUTE 12BITS PROGRAMMABLE DIVIDER PHASE DETECTOR CHARGE PUMP VCC CLOCK 7 6 5 VREF LOGIC CONTROL VR 2 TRACKING VC ERROR AMP VOL AMP 2 VOL AMP 1 REF AMP 30k VC 18 LP-OUT 17 LP-IN 16 PD VOUT2 8 49 VC 10 REFERENCE DIVIDER VIN2 11 TE 96k VC 20 XOUT IC302 M62429P 12 FE BIAS VC VC CCB I/F 13 FE FOCUS ERROR 154k AMP 24p 15k VR 1 VEE 1 2 3 4 VIN1 VOUT1 GND DATA 15 VSS UNLOCK DETECTOR POWER ON RESET 14 VDD IC504 BR2401A-W 13 MO/ST UNIVERSAL COUNTER SWALLOW COUNTER 1/16,1/17 4BI
23 22 21 20 19 18 17 16 15 14 13 Surround Treble1 Treble2 fc=8kHz fc=8kHz Bass2 fo=80Hz Bass1 fo=80Hz Logic Vcc/2 Vcc/2 0dB-87dB - 4 5 VIN2 SEL2 SEL1 A1 50k 7 B1 50k 6 A2 50k 50k 50k 50k 8 9 10 11 12 GND 3 FILTER 2 C2 1 C1 Vcc/2 B2 Vcc/2 VIN1 Vcc/2 IC301 TA2068N (TC Board) AGC 1 LINE NAB AMP1 BUF AMP A1 L.NF 3 R.IN 8 RADIO BUF AMP MUTE MONITOR AMP B1 DET 2.1 ALC2 ALC1 REF AMP BUF AMP B2 REC AMP2 ON 7dB ON 7dB MIC AMP1 MIC.NF 12 MUTE TAPE RADIO MONITOR AMP BUF AMP A2 16 R.RAD 15 TAPE TAPE NAB AMP2 LOGIC 19 VCC 17 LINE ON 26dB R.NF 10 20 L.LO 18 R.LO MUTE R.RO 9 R.PO 11 22 L.RAD 21 REC 26dB L.IN 5 GND 7 23 MIC I/EX TAPE REC AMP1 L.RO 4 REF 6 24 L.LIN TAPE L.PO 2 LINE 14 R.LIN 13 MIC 37 CFD-G550CP * IC PIN DESCRIPTIONS * IC1001 LC78684E-US-E (MP3 DECODER, CD-ROM DECODER, ANTI-SHOCK CONTROLLER) (CD/MP3 BOARD) Pin No. Pin Name I/O 1 2 LRSY ADDATA I O CD L/R clock input Audio data output 3 4 ADBCK ADLRCK O O Audio bit clock output Audio L/R clock output 5 6 C2FIN VSS I -- CD C2 error flag input Ground