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Je suis audiophile belge, électronicien et créateur d'enceintes acoustiques.
J'ai apprécié la qualité des documents fournis. Ils sont très lisibles, ils peuvent être agrandis sans problème et ils sont complets. Pour moi, c'est parfait. Pour cette qualité, je suis d'accord de payer. Et le système de paiement et d'envoi est simple. Merci, continuez comme cela.
Frédéric
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The cover page was a little scary, very dark but readable. The remainder of the document was better copy and easily readable. Why would I give 5 Stars? (1) PRICE, (2) AUTHENTICITY, It was the real deal, filled with service information, including the specific information I required. (3) PRIVACY, I didn't start to get slammed with spam. (4) EASY TRANSACTION. Painless. (5) COMPLETE, I have found several manuals here, that I could find nowhere else. (6) I will be a repeat customer!
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Well done!!! I found what I need to have, indeed!
Furthermore, due to my hobby is repairing vintage equipments, I added this web site in my desk toolbar because I have in mind to search further service manuals. Thanks a lot www.owner-manuals.com !
Regards, Maurizio
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Again very good service manual, this time very fast download. AAAAA+
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Ckear manual, well reproduced with plenty of overlap on critical pages.
IC DESCRIPTION IC, TMP87C408N (BASE UNIT)
Pin No. 1 2 3 Pin Name XOUT XIN TEST I/O O I I Oscillator out Oscillator in Tied low Hook control output (for corded phone): 0 = OFF HOOK, 1 = ON HOOK 4 HOOK CONT SPK MUTE O For ZPC-6: this pin is used as Speaker Amp, IC Mute Control) (the Mic Mute control is controlled by hardware: unmute mic when Speaker is unmute and charge not detected) Received Signal Strength Indicator: (TB31224F SIG OUT pin) 5 SIG OUT I 0 = carrier present, 1 = carrier absent NOISE DETECT 0 = Rx unlock, 1 = Rx lock 0 = Tx unlock, 1 = Tx lock 6 CHAG DET CLK EEPROM 7 8-10 11 DTMF4 DTMF3-DTMF1 DTMF0 COUNTRY S2 12 13 14 15 16 RING OFF COUNTRY S1 PAGE KEY GND PLL STB PLL DATA U LED 17 18 19 PLL CK DO EEPROM DI EEPROM TL RELAY TL MUTE M B SEL O I/O I/O I � O O I/O O O I/O I/O Rx LOCK DETECT Tx LOCK DETECT Description
Charge detect: 0 = charging, 1 = not charging. Clock of EEPROM DTMF data pin 4 (Most Significant Bit) DTMF data pin 3-1 DTMF data pin 0 (Least Significant Bit) Country option select 2. Control the shunt resistor: 1 = shunt a resistor (For U, K ONLY) Country option select 1 PAGE key: 1 = PAGE ON, 0 = STANDBY Ground Combo chip strobe signal (TB31224F) Combo chip data signal (TB31224F). In-use LED: 1 = ON, 0 = OFF. Combo chip clk signal (TB31224F). Data Input/Output of EEPROM. Line seize: 1 = line seize, 0 = off-hook Telephone Line Mute Control: 1 = MUTE. Make/Break Ratio Select 1 = 33.3%, 0 = 40% Hook detect input (for Corded Phone). 1 = ON HOOK, 0 = OFF HOOK
20
HOOK DET
I
REMARK: this pin is always PULL-HIGH for ZPC-7 or ZPC-6 (I. e. just imagine Corded phone is Always ON HOOK)
21 22 23 24 25 26 27 28
TX PWR SCRET OPT TX DATA BUZZER T P SEL RX DATA RING DET BAND SQ SELECTION
____________
I/O O I/O I I I/O I �
Tx power control: 0 = ON, 1 = OFF. Secret function option: 1 = YES, 0 = NO REMARK: this PULL LOW for ZPC-7 or ZPC-6 (I. e. Secret opt is DISABLED) Transmit data output Buzzer signal (key tone and paging sound ONLY) Tone/Pulse selection: 1 = Pulse, 0 = Tone Received data input Ring detect input: 1 = OFF, 0 = RING COME (MC34012) Shunt capacitor for U.S. Frequency Higher Band: 1 = shunt Cap, OUT OF RANGE FUNCTION: 1 = YES, 0 = NO Normally High, Low to reset MCU Power (VCC) 29
RESET POWER
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