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BLAUPUNKT Texas DJ
Circuit Diagrams


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  • Contains Circuit Diagrams
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  • PDF Format
  • Language: English, German
Price: $4.99

Description of BLAUPUNKT Texas DJ Circuit Diagrams

Set of circuit diagrams. The diagrams will be provided as PDF file. The file will be delivered after purchase.

The manual is available in languages: English, German

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Text excerpt from page 4 (click to view)
Hauptplatte Main board
PL 3157 D03 Chip

Pin-Belegung des FM/AM Tuner-IC D1 Tuner IC D1 Pin configuration Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44

I/O
I O O O I I O O O I I I I O I O O I O O I O O I -

Name
MIXDEC CINT CHOLD PLLGND VCC VPLL LFINP LF1 LF2 LF3 VTUNE OSCINP OSCOUT OSCGND VCC OSCBUF DGND CS RD CLK TX FREF IFAGC2 IFOUT1 IFOUT2 IFAGC1 IFGND IFIN VDC VCC MIXOUT2 MIXOUT1 AMREF AMMIXIN RFAGC3 RFAGCAM RFAGCFM MIXGND RFAGC2 RFAGC1 ANGGND FMMIXREF FMMIXINP RFAGCD

Funktion
Mischer Entkopplung für PLL für PLL PLL - Masse 8,5V PLL Oberspannung Schleifenfiltereingang Schleifenfilter 1 Schleifenfilter 2 Schleifenfilter 3 Abstimmspannung Oszillator Eingang Oszillator Ausgang Oszillator Masse 8,5V Oszillatorausgangstreiber Digitale Masse Chip Select Dateneingang Clock Datenausgang Referenzfrequenz ZF Regelspannung 2 ZF - Ausgang 1 ZF - Ausgang 2 ZF Regelspannung 1 ZF Masse ZF Eingang Interne Referenzspannung 8,5V Mischerausgang 2 Mischerausgang 1 AM - Referenzeingang AM Mischereingang HF Regelzeitkonstante (aufregeln) HF Steuerspannung Vorstufe AM HF Steuerspannung Vorstufe FM Mischer Masse HF Regelzeitkonstante (Detektor) HF Regelzeitkonstante (abregeln) Analog Masse Referenzspannung FM Mischer FM Mischer Eingang AGC Entkopplung

Function
Mixer decoupling for PLL for PLL PLL Ground 8,5V PLL top voltage PLL loop filter Input PLL loop filter Output 1 PLL loop filter Output 2 PLL loop filter Output 3 Tuning voltage Oscillator Input Oscillator Output Oscillator Ground 8,5V Oscillator Buffer Output Digital Ground Chip Select DATA IN Clock DATA OUT Reference frequency IF AGC 2 IF output 1 IF output 2 IF AGC 1 IF Ground IF Input Internal reference voltage 8,5V Mixer Output 2 Mixer Output 1 AM reference Input AM Mixer Input RF AGC 3 RF AGC for AM input stage RF AGC for FM input stage Mixer Ground RF AGC 2 RF AGC 1 Analog ground Reference voltage FM mixer FM mixer input AGC decoupling

Prüfdiagnose Tuner IC (D1) Diagnosis test tuner IC (D1)
Pin
24+25 (ZF-OUT) 28 31+32 31+32 34 (AM-IN) 36 37 43 (FM-IN)

Band
FM FM FM AM AM AM FM FM

Frequenz
97,1 MHz 97,1 MHz 97,1 MHz 900 kHz 900 kHz 900 kHz 97,1 MHz 97,1 MHz

E'
83 dbµV 80 dbµV 80 dbµV 80 dbµV 80 dbµV ab 73 dbµV ab 80 dbµV 94 dbµV

Uss
650 mVss 25 mVss 200 mVss 200 mVss 50 mVss

Vermerke
jeweils gegen Masse

Notice
respective against GND

jeweils gegen Masse jeweils gegen Masse

respective against GND respective against GND

künstliche Antenne aus

not commutated

5 mVss

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