Panasonic CQC1103U - AUTO RADIO/CD DECK Service Manual

Also see for CQC1103U - AUTO RADIO/CD DECK: Operating instructions Manual de instrucciones

Contents

Panasonic CQC1103U - AUTO RADIO/CD DECK Service Manual Manual pdf 6 page image

IC601 : LC7237819D07Ref.No.PartNo.Part Name & Description I/O(V) FM(V)AM(V)CD(V)1 XIN 4. 5 MHz X’tal andConnectionI 2.52 2.53 2.522 TEST2 GND connection I 0 0 03 VREG Bypass condenserconnected.O 2.9 2.9 2.934 VSSCPU GND connection - 0 0 05 CDC_DATACD changer data I 0 0 06 N.C. None - - - -7 CDC_CLK CD changer clock I 0 0 08 CDC_REM_OUTCD changer Remote out O 0 0 09 LCD_DO LCD data output I 5,22 5,22 5.1810 LCD_DI LCD data input O 0 0 011 LCD_CLK LCD clock O 5.17 5.19 5.1512 LCD_CE LCD chip enable output O 0.1 0.14 0.1213 CD_DO CD data output I 5.34 5.35 5.1214 CD_DI CD data input O 0 0 5.215 CD_CLK CD clock O 5.19 5.21 5.1716 CD_CE CD chip enable O 0 0 0.2517 CD_LM+ CD eject O 0 0 018 CD_LM- CD loading O 0 0 019 CD_S/L CD 24PIN connection O 0 0 5.2120 CD_WRQ CD WRQ connection I 5.34 5.35 4.2621 CD_INSW1CD insert SW input I 0.1 0 0.122 CD_SW2 CD MECHA SW2 I 5.17 5.21 0.123 CD_LIMIT_SWCD limit SW I 0 0 5.1824 CD_DRF CD DRF I 0 0 5.3325 CD_RST CD reset O 5.19 5.22 5.2126 CD_MUTE CD mute O 0 0 5.227 N.C. None - - - -28 N.C. None - - - -29 PANEL Panel detect I 5.2 5.23 5.230 N.C. GND connection I 0 0 031 N.C. GND connection I 0 0 032 N.C. GND connection I 0 0 033 N.C. None - - - -34 N.C. None - - - -35 N.C. None - - - -36 N.C. None - - - -37 N.C. None - - - -38 N.C. None - - - -39 VDDPORT Power supply of PORT - 5.19 5.22 5.2140 VSSPORT GND of PORT - 0 0 041 N.C. None - - - -42 N.C. None - - - -43 N.C. None - - - -44 N.C. None - - - -45 N.C. None - - - -46 N.C. None - - - -47 N.C. None - - - -48 N.C. None - - - -49 PWR_CNT Power control O 5.12 5.2 5.1950 AMP_CNT Amp stand-by O 5.12 5.2 5.1951 AMP_MUTEAmp mute O 5.19 5.21 5.2152 N.C. None - - - -53 SSC Tuner search sensitivitychangeO 0 0 054 AF_MUTE AF mute O 5.19 5.21 5.2155 I2C_DATAElectronic VOL data O 5.2 5.21 5.2156 I2C_CLK Electronic VOL clock O 5.2 5.21 5.2157 ANT_CNT Motor antena control O 5.19 5.21 058 POWER_LEDPower LED O 0.15 0.15 0.1259 N.C. None - - - -Ref.No.PartNo.Part Name & Description I/O(V) FM(V)AM(V)CD(V)60 N.C. (BZ_OUT)None - - - -61 N.C. None - - - -62 N.C. None - - - -63 N.C. None - - - -64 N.C. None - - - -65 N.C. None - - - -66 TEL_MUTEExternal MUTE input I 5.36 5.35 5.3367 BATT Battery detection I 5.36 5.35 5.3368 MODE_B ROTARY B input I 5.17 5.18 069 N.C.(RDS_CLK)None - - - -70 REM_IN Remocon data input I 0 0 071 MODE_A ROTARY A input I 5.17 5.13 5.1672 CDC_STB CD changer strobe input I 0 0 073 NC None - - - -74 MONO Compulsion MONO ON O 0 0 075 AM_MODE AM change O 8.21 0.13 8.2376 FM_MODE FM change O 0.13 8.2 8.2377 N.C. GND connection I 0 0 078 INIT_C Initial value C I 0 0 079 INIT_B Initial value B I 5.16 5.19 5.1980 INIT_A Initial value A I 0 0 081 VSS GND connection - 0 0 082 N.C.(RDS_DATA)None - - - -83 ST FM stereo input I 5.34 5.2 5.484 SD_FM/AMSignal detection I 3.12 3.43 085 N.C. GND connection I 0 0 086 RESET Reset Input I 5.2(PWROFF)6.4(PWROFF)5.2(EJECT)87 ACC Power supply I 5.42 5.42 5.4288 N.C. GND connection I 0 0 089 N.C. GND connection I 0 0 090 FM/AM_IFCFM/AM IF input I 1.42 1.42 091 N.C. GND connection I 0 0 092 SUBPD None O 2 2.02 093 VDDPLL Power supply of PLL - 5.23 5.22 5.294 N.C. GND connection I 0 0 095 OSC_FM/AMFM/AM osc input I 1.39 1.26 096 VSSPLL GND connection - 0 0 097 N.C. None - - - -98 EO1 PLL phase comparisonerror outputO 2 2.02 099 TEST1 GND connection I 0 0 0100 XOUT 4. 5 MHz X’tal andConnectionO 2.62 2.63 2.62Note 1 :Voltage measuerments are with respect to ground, with avoltmeter (internal resistance : 10M ohms).10.2. Display BlockIC901 : YEAMLC75853NWPin No. Port Descriptions I/O(V)(V)1-4 NC No connection - -5-31 SEG5-31 LCD segment O 2.532-40 NC No connection - -41-43 COM1-3 LCD common O 2.544-49 KS1-6 Key data output O 0.910 TERMINALS DESCRIPTION10.1. Main Block6CQ-C1103U