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Panasonic KX-TA308 Service Manual
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Panasonic KX-TA308 Service Manual

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Service Manual
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ORDER NO. KMS0401890C1
F19
Advanced Hybrid System
KX-TA308
l
(for U.S.A.)
© 2004 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
IMPORTANT INFORMATION ABOUT LEAD FREE, (PbF), SOLDERING
If lead free solder was used in the manufacture of this product the printed circuit boards will be marked PbF.
Standard leaded, (Pb), solder can be used as usual on boards without the PbF mark.
When this mark does appear please read and follow the special instructions described in this manual on the use of PbF and how it might be permissible
to use Pb solder during service and repair work.
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Summary of Contents for Panasonic KX-TA308

  • Page 1 KX-TA308 (for U.S.A.) © 2004 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. IMPORTANT INFORMATION ABOUT LEAD FREE, (PbF), SOLDERING If lead free solder was used in the manufacture of this product the printed circuit boards will be marked PbF.

  • Page 2: System Connection Diagram

    7 SYSTEM CONNECTION DIAGRAM TOP PREVIOUS NEXT Note: It is recommended that the extension of jack 01 is a display proprietary telephone. Parallel connection telephones is possible. Refer to Installation Manual. TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 3 CALL ID CARD DOORPHONE/DOOR OPENER CARD 3 CO/8 EXT (HYBRID) CARD IC130 IC205 DTMF EXT1 Generator CO G/A IC305 IC500 EXT G/A IC501 IC502 T301 IC104 EXT2 PULSE DTMF TRANS- Receiver 1 FORMER CROSS IC105 EXT3 POINT DTMF IC304 Receiver 2 4bit IC120 EXT4...
  • Page 4 9.2 DOORPHONE/DOOR OPENER CARD TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 5 9.3 CALLER ID/VMM CARD TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...

  • Page 6: Power Unit

    9.4 POWER UNIT TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 7 D302E RLY30E Q313E L300E C322E EXT5 CN30E C320E T300E C323E D300E 0.022 ZNR30E NO MOUNT C321E D301E RLY30E 0.022 L301E R310E D303E ZNR31E R303E Q301E R340E HOOK5 +24V R305E R304E 6.8K BELL5 Q305E (15) Q307E KX-TA308 MAIN BOARD NO.1 (1/2)
  • Page 8 0.022 L301H D303H R310H ZNR31H EXT1 HOOK8 EXT2 EXT2 R303H +24V EXT3 EXT3 R340H Q301H EXT4 EXT4 R304H Q305H EXT5 R305H EXT5 6.8K EXT6 EXT6 BELL8 EXT7 EXT7 Q307H EXT8 EXT8 BELL BELL EXT1,EXT2,EXT3,EXT4,EXT5,EXT6,EXT7,EXT8,BELL1,BELL2,BELL3,BELL4,BELL5,BELL6,BELL7,BELL8,HOOK1,HOOK2,HOOK3,HOOK4,HOOK5,HOOK6,HOOK7,HOOK8,BELL (15) KX-TA308 MAIN BOARD NO.1 (2/2)
  • Page 9 IC201C SA1C 100K 0.056 R207C 6.8K J202C R218C NO MOUNT NO MOUNT 330K SA2C (36) R262C 100 µH 100p 100µH C207C L203C L202C J200C NO MOUNT R231C OPEN IC202C (37) (38) (39) (40) (41) (42) KX-TA308 MAIN BOARD NO.2 (1/2)
  • Page 10 (33) IC204 (34) +12V +12V +12V (35) Q206C Q207C Q203C Q204C Q205C Q202C DTMF3 NO MOUNT (36) +12V +12V +12V +12V +12V CONF3 MUTE3 SHUNT3 (37) PAD3 (38) CDT3 (39) BELLA3 (40) BELLB3 (41) (42) KX-TA308 MAIN BOARD NO.2 (2/2)
  • Page 11 DTMFR2 DTMF2 PAGOUT C901 R950 PAGOUT C900 INT1 INT1 0.068 INT2 IC900 INT2 TONEAMP INT3 INT3 LOW PASS (27) (28) (1) (2) (3)(4)(5) (10)(11)(12)(13)(14) ( 15)(16)(17) (18) ( 19) (20) (21)(22) (23)(24) FILTER (25) (26) KX-TA308 MAIN BOARD NO.3 (1/4)
  • Page 12 R404 33K J119 JACK C402 R402 DTMF RECEIVER 1 CN11 R405 L402 6.8K C406 IC400 EXTJACK J402 2.2K C403 +12V IC402 +12V BGMAMP L:INTBGM EXT PAGING H:EXTBGM JACK C400 BGMSW L401 PAGJACK J401 Q400 C401 KX-TA308 MAIN BOARD NO.3 (2/4)
  • Page 13 0V AT RESET CS(MODEM) NOMALY 5V CS(CALL1) CS(CALL2) DECORDER (37)(38) (39) (40) (41) (42) (43) (44) (45) (46) ( 47) ( 48)(49)(50) (52) (51) (53) (54) (29) (30) (31) (32) ( 33) (34)(35) (36) (55) (56)(57)(58)(59)(60)(61)(62) KX-TA308 MAIN BOARD NO.3 (3/4)

  • Page 14: Address Latch

    4 DTR L101 R154 R421 RS232CRXD 2 RS232CRXD FILTER RS232CTXD 3 RS232CTXD R155 L104 R422 5 AG 8 NC L102 R156 R423 1 NC +12V +12V +5VB +5VS +12V 9 NC IC400 +12V +12V +12V +24V KX-TA308 MAIN BOARD NO.3 (4/4)
  • Page 15 +24V CONNECT=5V DOOR HOOK DETECT ON HOOK=0V OFF HOOK=5V +24V 220K C10C 0.0015 0.033 IC2C +24V 2.2K R10C 330K C11C 0.022 330P +24V C12C R19C 10K 0.022 R14C R11C IC1C 1µ IC1C DOOR 2 +24V R20C KX-TA308 DOORPHONE/DOOR-OPENER CARD (1/2)
  • Page 16 +24V CONNECT 7 +24V 4 VAG 5 VAG 24 DOORCARD 2 AG 3 AG 1 NC C14C 1µ DOOR OPENER SW +24V DOOR OPENER OFF=0V ON=5V OPEN DOOR OPENER 1 +24V IC2A DOOR IC2C OPENER 2 KX-TA308 DOORPHONE/DOOR-OPENER CARD (2/2)
  • Page 17 (21) DATA DIAL2 TRIGout (22) DIAL1 MODE DCLK R17C OSCin FSKen OSCout PWDN CALL ID IC (23) C51C 3300P R54C 390K C52C R57C C53C 0.068 0.068 R50C IC17C IC17C Q50C R52C D50C R55C 4.7K 2.2K KX-TA308 CALLER ID CARD (1/2)
  • Page 18 CTS1 (20) DSR1 TRNDT2 RTS2 DTR2 (21) RCVDT2 R13D CTS2 (22) DSR2 R14C IOWR TRNCLK1 +12V +12V IORD RCVCLK1 R14D RESET TRNCLK2 R15D RCVCLK2 TRNRDY1 RCVRDY1 SYNC/BRX1 TRNEMP1 TRNRDY2 (23) RCVRDY2 SYNC/BRX2 TRNEMP2 SERIAL-PARALLEL CONVERT KX-TA308 CALLER ID CARD (2/2)
  • Page 19 C302 R306 DETECTION CN102 BUFFER (PRIMARY) IC304 C110 +VIN R112 Q150 Q101 20Hz CONTROL IFB OVP VCC VO GND CLM CT RT SS AC DOWN DETECTION (SECONDARY) FEED BACK CIRCUIT RINGING AMPLIFIER CIRCUIT 5.4V 1.9V 16µs 16µs KX-TA308 POWER SUPPLY BOARD...
  • Page 20 14.1 NO OPERATION (CHECK POWER SUPPLY BOARD, MAIN BOARD) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 21 14.2 NO DIAL TONE (CHECK MAIN BOARD) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 22 14.3 CAN NOT DIAL (CHECK MAIN BOARD) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 23 14.4 CAN NOT CALL EXTENSION (CHECK MAIN BOARD) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 24 14.5 CAN NOT USE PROPRIETARY TELEPHONE (CHECK MAIN BOARD) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 25 14.6 CAN NOT RECEIVE INCOMING CALL (CHECK MAIN BOARD) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 26 14.7 CAN NOT SEND DTMF DIALING (CHECK MAIN BOARD) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 27 14.8 CAN NOT RECEIVE COL DIAL TONE (CHECK MAIN BOARD) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 28 14.9 CAN NOT SEND A HOLD ON MUSIC (CHECK MAIN BOARD) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 29 15.1 CAN NOT CALL FROM DOORPHONE TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 30 15.2 CAN NOT TALK TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 31 15.3 CAN NOT USE DOOROPENER TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 32 16.1 CAN NOT RECEIVE CALL ID DATA (FSK) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 33 16.2 CAN NOT RECEIVE CALL ID DATA (DTMF) TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 34 16.3 CAN NOT SEND DTMF TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 35 16.4 CAN NOT DETECT VMM SIGNAL TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 36 17.1 CPU (IC100) PORT MAP TOP PREVIOUS NEXT PIN NO PORT PIN NAME FUNCTION ACTIVE DHK1 DOORPHONE HOOK1 H:ACTIVE DHK2 DOORPHONE HOOK2 H:ACTIVE DHK3 DOORPHONE HOOK3 H:ACTIVE DHK4 DOORPHONE HOOK4 H:ACTIVE DCN1 DOORPHONE CONNECT DETECT1 H:ACTIVE DCN2 DOORPHONE CONNECT DETECT2 H:ACTIVE DCN3 DOORPHONE CONNECT DETECT3...
  • Page 37 17.2 BIT CPU (IC304) I/O PORT MAP TOP PREVIOUS NEXT PIN NO PORT PIN NAME I/O FUNCTION ACTIVE DISA1 DTMF SIGNAL L:ACTIVE DISA2 DTMF SIGNAL L:ACTIVE DTMFR1 SIGNAL L:ACTIVE DTMF2 SIGNAL L:ACTIVE CINT CPR INTERRUPT L:ACTIVE CREQ CPR COMMUNICATE REQUEST L:ACTIVE PRX1 RECEIVE DATA FROM PITS (01-08)
  • Page 38 17.3 CO G/A (IC205) PORT MAP TOP PREVIOUS NEXT PIN NO PORT PIN NAME FUNCTION ACTIVE COL1 DTMFGENERATOR H:ACTIVE COL2 DTMFGENERATOR H:ACTIVE COL3 DTMFGENERATOR H:ACTIVE COL4 DTMFGENERATOR H:ACTIVE ROW1 DTMFGENERATOR H:ACTIVE ROW2 DTMFGENERATOR H:ACTIVE ROW3 DTMFGENERATOR H:ACTIVE ROW4 DTMFGENERATOR H:ACTIVE CONF1 CONFERENCE L:ACTIVE...
  • Page 39 17.4 EXT G/A (IC305) PORT MAP TOP PREVIOUS NEXT PIN NO PORT PIN NAME FUNCTION ACTIVE CTXD0 CPR SEND DATA H:ACTIVE CTXD1 CPR SEND DATA H:ACTIVE CTXD2 CPR SEND DATA H:ACTIVE CTXD3 CPR SEND DATA H:ACTIVE CINT INTERRUPT TO 4 BIT CPU L:ACTIVE PDRLY1 POWER FAILURE TRANSFER...