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IC BLOCK DIAGRAM & DESCRIPTION

IC104 LA6548NH-E (CD Driver)

11k

15.4k

GND

RESET

3.3VREG

MUTE

(Output ON/OFF)

Level shift

External PNP transistor, Collector connect

External PNP transistor, Base connect

VCC1

MUTE

VIN1

VG1

VO1+

VO1-

(NC)

VO2-

VO2+

VG2

VIN2

REG_C

REG_B

VCC2

VREF

VIN4

VG4

VO4+

VO4-

(NC)

VO3-

VO3+

VG3

VIN3

RESET

IC231 LA1844ML (Home Audio Tuner IC)

DET

LEVEL

DET

S-CURVE

AM/FM

BUFF

REG

GND

COMP

TUNING

DRIVE

DET

VCC

AGC

PILOT

CANCEL

PILOT

DET

DECODER

ANTI-BIRDIE

STEREO

38k

19k

VCO

304kHz

RF.AMP

MIX

OSC

ALC

BUFF

P-DET

19k

Содержание DC-DA3300M

Страница 1: ...peaker system 165 114 01 Contents Laser beam safety precaution 1 Tape adjustments 1 Tuner adjustments 2 CD pick up maintenance 2 Exploded view 3 Parts list 4 IC block diagram description 7 LCD display description 17 Wiring connection 18 Schematic diagram FRONT 20 CD 22 TUNER 26 AMPLIFIER 30 Wiring diagram BUTTON FRONT 19 BUTTON TOP 19 LED 19 FRONT CD 24 TUNER 28 POWER TRANSFORMER 29 AMPLIFIER 32 ...

Страница 2: ... TAPE ADJUSTMENTS Be sure to clean the heads before attempting to make any adjustment Be sure both channels 1 and 2 are the same level Using a dual channel oscilloscope Be sure both channel s waveform are same for the phase matching After completion of the adjustment use the threadlock TB 1401B to secure the azimuth adjustment screws 1 Remove the cover deck as Fig 1 2 Load a test tape VTT 738 etc ...

Страница 3: ...2302 C2323 C2323 C2310 C2310 C2308 C2308 R2312 R2312 R2309 R2309 R2308 R2308 R2306 R2306 C2902 C2902 C2101 C2101 C2318 C2318 R2107 R2107 R2101 R2101 C2325 C2325 R2203R2202 C2203 C2115 C2141 C2141 C2152 C2152 C2141 C2151 C2154 R2131 C2152 R2149 R2148 R2151 C2502 C2502 C2504 C2504 C2515 C2515 C2521 C2521 C2456 C2456 R2453 R2453 C2502 C2506 C2504 C2513 C2512 C2515 C2521 C2304 C2312 R2302 C2323 C2310 ...

Страница 4: ...53 54 55 57 56 58 59 60 63 Y16 11 13 72 12 74 14 16 17 18 19 15 20 21 11 10 75 76 77 22 N S P 62 61 64 23 N S P Y02 Y01 Y01 Y03 Y04 Y04 Y10 Y13 Y14 Y15 Y15 Y17 Y18 Y18 Y19 Y20 Y20 Y11 Y09 Y12 Y05 Y03 Y06 Y07 Y07 Y08 Y87 This is a basic exploded view ...

Страница 5: ...4 303 0263 LATCH PUSH CD DOOR LOCKING 18 614 307 8821 PULLEY 19 614 303 0256 LATCH MAGNET 20 614 330 7297 DEC WINDOW CD 21 614 330 7372 LID CD 22 614 332 9060 SHIELD RIGHT 23 614 332 6229 ASSY CABINET REAR FIXING PARTS REF NO PART NO DESCRIPTION Y01 411 021 3503 SCR S TPG BIN 3X10 F PANEL DECK MECHA Y02 411 021 3503 SCR S TPG BIN 3X10 F PANEL LATCH CAM F PANEL ASSY GEAR DECK Y03 411 098 4700 SCR S...

Страница 6: ...8706 TR KTC3199 GR or 405 017 9600 TR 2SC3330 T Q1501 405 009 5306 TR 2SB927 T or 405 009 5207 TR 2SB927 S or 405 141 3604 TR KTA1273 Y LED P W BOARD ASSY REF NO PART NO DESCRIPTION 74 614 332 6540 ASSY PWB LED Only initial CN680 614 331 8934 ASSY WIRE D6803 407 244 9705 LED LT5CB1 81 UAC3 VOL BLUE TUNER P W BOARD ASSY REF NO PART NO DESCRIPTION 75 614 332 0975 ASSY PWB TUNER Only initial C2457 40...

Страница 7: ...3 PLUG 3P D4101 407 097 8009 DIODE MPG06G D4102 407 097 8009 DIODE MPG06G or 405 017 9709 TR 2SC3330 U Q2451 405 078 2404 TR BN1A4P or 405 036 3702 TR 2SA1564 or 405 151 5209 TR KRA107M or 405 000 0904 TR DTA114YS S2001 645 023 5795 SWITCH LEVER T2002 645 046 2023 FILTER 450KHZ U2101 645 043 6697 TUNER FM X2451 645 023 4965 OSC CRYSTAL 7 2MHZ X2501 645 035 8326 OSC CRYSTAL 4 332MHZ XF221 645 054 1...

Страница 8: ...ORTS 8FS DIGITAL FILTER 1bit DAC INTERPOLATION MUTE ATTENUATION DEEMPHASIS LPF AUDIO OUT SERIAL OUT EXTERNAL AUDIO IN VDD5V PARTS LIST REF NO PART NO DESCRIPTION IC BLOCK DIAGRAM DESCRIPTION IC101 LC78646E UHK E CMOS LSI for CD Player REF NO PART NO DESCRIPTION TAPE MECHANISM REF NO PART NO DESCRIPTION 4 614 329 8441 ASSY MECHA TM PT70TN SH 645 010 9447 PINCH ROLLER F ASSY 645 045 1959 RF BELT 645...

Страница 9: ...XOUT O Oscillator Connections for a 33 8688MHz or 16 9344MHz 49 XIN I Oscillator crystal oscillator pin 50 FSX 16MIN I O Input mode 7 35kHz synchronization signal output pin DF DAC external clock input pin 51 XVSS Crystal oscillator Crystal oscillator ground pin Must be connected to 0V 52 C2F O H C2 flag output pin 53 EFLG O L C1 C2 error correction monitor pin 54 16MOUT O CLK output 16 9344MHz ou...

Страница 10: ...output L active when use EDO DRAM CS output L active when use SDRAM 46 MADRS12 O DRAM address output 12 47 MADRS11 O DRAM address output 11 48 MADRS10 O DRAM address output 10 49 MADRS9 O DRAM address output 9 50 MADRS8 O DRAM address output 8 OEB O 44 45 43 CASLB O CASUB O Audio IF Subcode IF PLL Power supply Memory IF Power supply Memory IF Pin No Pin Name I O Block Description 51 DVDD4 Digital ...

Страница 11: ...NC VO4 VO4 VG4 VIN4 VREF VCC2 RESET Connect to condenser of dalay time setting CH3 Input terminal Gain setting CH3 Input terminal Gain setting CH3 Output terminal CH3 Output terminal Do not use Do not use CH4 Output terminal CH4 Output terminal CH4 Input terminal Gain setting CH4 Input terminal Gain setting Standard applied voltage terminal Power supply VCC1 short circuit 1pin Active on the positi...

Страница 12: ...r Collector connect External PNP transistor Base connect VCC1 MUTE VIN1 VG1 VO1 VO1 NC NC VO2 VO2 VG2 VIN2 REG_C REG_B VCC2 VREF VIN4 VG4 VO4 VO4 NC NC VO3 VO3 VG3 VIN3 CD RESET IC231 LA1844ML Home Audio Tuner IC FM IF FM DET LEVEL DET S CURVE AM FM IF BUFF REG GND COMP TUNING DRIVE AM IF AM DET VCC AGC PILOT CANCEL PILOT DET DECODER ANTI BIRDIE STEREO SW FF 38k FF 19k VCO 304kHz AM RF AMP AM MIX ...

Страница 13: ... AB SW R REC OUT R REC IN REC PB SW A B SW FILTER GND VCC CRO NOR HI LO ALC L REC OUT L REC IN ALC L PB AMP OUT L PB EO L PB NF R PB AMP L PB AMP IC241 LC72121M D Pll Synthesizer 2 1 24 17 16 3 4 5 6 18 15 7 8 9 10 11 14 19 20 21 22 13 Vssx XIN XOUT FMIN AMIN CE DI CL DO VDD Vssd PD AIN AOUT Vssa IFIN IO1 IO2 BO1BO2 BO3 BO4 PHASE DETECTOR CHARGE PUMP UNLOCK DETECTOR UNIVERSAL COUNTER REFERENCE DIV...

Страница 14: ... Input 5 FLOUT O Sub Careea Output Filter Output 6 CIN I Sub Careea Input Comparator Input 3 Vdda Analog System Power Supply 5V 4 Vssa Analog System Ground 8 XOUT O Crystal Oscillator Output 4 332MHz 9 XIN Crystal Oscillator Input External Reference Signal Input 7 TEST Test Input 12 MODE Reading Mode Setting 0 Master 1 Slave 13 RST RDS ID RAM Reset Straight Polarity 14 RDDA O RDS Data Output 15 RD...

Страница 15: ... When there is no Zero Cross Signal after setting data until a timer is completed data is set compulsorily CE 2 Chip EnableTerminal Data is written in an internal latch in time for set to L from H and each Analog Switch operates Data transmission is set to Enable on H level DI CL 1 30 Serial Data foe Control and Clock Input Terminal TEST 4 Test Terminal of Electronic Volume Maintain a Vss potentia...

Страница 16: ...Timer 6 Timer 7 Port 8 Timer 1 Timer 0 High Speed Clock Counter Bass Timer LCD Display Controller INT0 5 Denoising Filter Timer 4 Timer 5 Small Signal Detection B Resistor C Resistor Bass Interface Stack Pointer Watch Dog Timer Clock Generator Interrupt Control Standby Control IC601 LC877464C 54J1 E Single Chip Micro Computer ...

Страница 17: ... to VDD1 when unuse 32 768kHz Input Output Terminal for Crystal Oscillator Other Function AN11 AD Conversion Input Port General purpose Input Port Open for oscillation when unuse Input Terminal for Ceramic Oscillator Output Terminal for Ceramic Oscillator S8 PB0 S15 PB7 I O Segment Output for LCD Display It s possible to use General purpose Input Output Port PB S16 PC0 S23 PC7 I O Segment Output f...

Страница 18: ...26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 COM3 S3 S4 5I 5A 5K 6F 6I 6A 6K P1 COL 7I 7A 7K 8F 8I 8A 8K S5 T21 COM2 4B 5F 5G 5J 5H 5B 6G 6J 6H 6B 7F 7G 7J 7H 7B 8G 8J 8H 8B T20 COM1 4C 5E 5N 5M 5L 5C 6N 6M 6L 6C 7E 7N 7M 7L 7C 8N 8M 8L 8C T19 COM0 T11 T12 T13 5D T14 T15 6E 6D T7 T8 T10 T9 7D S8 S9 8E 8D T16 T17 T18 1 41 A B C D E F G H I J K L M N A B C D E F G H I J K L M N S1 ...

Страница 19: ...P W B 9P TAPE DECK MECHANISM AC IN CN410 2P CN413 3P POWER TRNSFORMER P W B FU401 T500mA L 250V P T CN403 BL CN404 BW This is a basic wiring connection FUNCTION VOL VOL T002A 94V 0 1AD4B10D2740F POWER S6612 S6613 S6611 DS660 S6610 CN660 J6901 CN661 R6653 R6653 R6653 R6652 R6651 R6651 R6651 R6650 C6610 C6610 C6610 T002A 94V 0 1AD4B10D2741H D6803 CN680 J6801 J6800 R6803 R6804 C6801 FOLDER SELECT RDS...

Страница 20: ...MTZJ5 1B MPSA56 10 16 0 01 10 K 0 680 680 000 0 01 0 01 4 7K 4 7K 4 7K 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 1 2 3 5 4 1 2 3 4 5 6 7 8 9 10 11 12 ...

Страница 21: ...38 39 40 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1...

Страница 22: ...7 J6311 JW101 JW100 CN611 CN612 AUX_L AUX_GND AUX_R TO BUTTON TOP TO SENSOR TO BUTTON FRONT C6452 J6023 J6001 X1451 CN605 TF JW200 TP5 CN601 C1302 TO TU TO AMP TO TAPE TO AMP TO TU CN604 CN606 R1302 R1303 C1301 R1346 R1344 R1342 R1340 R1340 R1340 C1308 C1308 R1305 R1305 C1305 C1305 C1308 R1343 R1341 R1301 R1307 R1307 C1415 C1415 R1307 C1501 C1502 R1503 R1502 C1506 C1505 C1505 C1505 C1312 C1313 R13...

Страница 23: ... 100P MTZJ3 0B 1K 100P 1 50 4700P 0 1 33K 4 7 50 39K 0 018 10 50 KRA107M 560P 0 047 10K 15P 1000P 390 390 3 3K 100P 330P 1SS133 SVC342 MWANT MWOSC 56K 820K 27K 7 2M 1000P 1SS133 0 01 120K 120K 0 47 50 6P 1000P 100U 100P 100U 1000P 100 16 0 01 22P 27P 100 16 560P 0 01 10 50 4 332M 1K 1K 1K KTC3193 0 01 330 1SS133 1SS133 100P 1SS133 KTC3199 1000P 10K 0 01 10 50 150 3 3K 0 470K 100 27 0 3 3K 10K 5P K...

Страница 24: ... R2308 R2308 R2306 R2306 C2902 C2902 C2101 C2101 C2318 C2318 R2107 R2107 R2101 R2101 C2325 C2325 R2203R2202 C2203 C2115 C2141 C2141 C2152 C2152 C2141 C2151 C2154 R2131 C2152 R2149 R2148 R2151 C2502 C2502 C2504 C2504 C2515 C2515 C2521 C2521 C2456 C2456 R2453 R2453 C2502 C2506 C2504 C2513 C2512 C2515 C2521 C2304 C2312 R2302 C2323 C2310 C2308 R2312 R2309 R2308 C2309 R2307 C2319 C2320 C2324 C2315 R231...

Страница 25: ...CN446 C4920 R4920 D4996 D4997 R4510 Q4503 CN442 D4995 L4607 L4605 L4606 Q4320 R4323 C4999 C4998 C4901 C4902 C4904 C4286 47 25 MTZJ6 2B 2 2K KTD863 100K KTC3198 10 1SS133 1000 16 0 01 F 0 01 F 0 01 F 0 01 F MPG06G MPG06G MPG06G MPG06G 0 01 0 01 4 7K 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 2700P 2700P 0 1 0 1 0 1 0 1 6 8K 6 8K 10 50 10 50 3 9K 3 9K 2200P 2200P 470 35 TDA7269 1000...

Страница 26: ...424 J4425 J4221 J4417 J4016 J4219 J4008 J4007 J4405 J4416 J4415 J4412 J4217 J4400 J4399 J4410 PR420 C4950 C4984 Q4994 C4993 C4953 C4502 J4406 J4404 1AD4B10D2741A T002A 94V 0 J4407 J4010 5 6V RECORDING GND REC_MUTE BEAT V_CHECK NC P_CON MAIN_MUTE VF_CE TU_CLK TU_DO D_GND 8 5V CD_RCH A_GND CD_LCH TU_RCH TU_GND TU_LCH 12V C4992 12V 8 5 5 6V 12V 8 5V 5 6V J4021 R4963 J4401 CN444 J4419 J4216 J4018 J442...

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