Sony Car Stereo Xr C440e Xr C450e Xr C440 Xr C450 Manual
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– 21 – AM (MW) Auto Scan/Stop Level Adjustment Setting: SOURCE and MODE button : MW FREQUENCY SELECT switch : 10 k Procedure: 1. Set to the test mode. (See page 19.) 2. Push the SOURCE button and set to FM. 3. Push the MODE button and set to MW. Display FM Noise Focus Adjustment Setting: SOURCE button : FM FREQUENCY SELECT switch : 10 k FM Stereo Separation Adjustment Setting: SOURCE button : FM FREQUENCY SELECT switch : 10 k Procedure : 1. Tune the 97.9 MHz 2. The then output level is supposing that (A) dB. 3. Adjust with the volume RV3 on TU1 so that the output level is (A) –32 dB then signal generator input set to –20 dB. Adjustment Location: See page 22. FM Stereo Level meter Level meter signal generator connection reading (dB) output channel L-CH L-CHA B R-CH L-CH Adjust RV4 on TU1 for minimum reading. R-CH R-CHC D L-CH R-CH Adjust RV4 on TU1 for minimum reading. Procedure: L-CH Stereo separation: A-B R-CH Stereo separation: C-D The separations of both channels should be equal. Specification: Separation more than 30 dB Adjustment Location: See page 22. AM RF signal generator Carrier frequency : 1000 kHz 30% amplitude modulation by 400 Hz signal Output level : 33 dB (44.7 µV) (50 Ω)set AM dummy antenna 30 Ω 15 pF 65 pF antenna jack (J1) FM RF signal generator Carrier frequency : 97.9 MHz Output level : 60 dB (1 mV) Mode : mono Modulation : 1 kHz, 75 kHz deviation 0.01 µF set antenna jack (J1) + – LINE OUT level mete r 10 k Ω FM RF signal generator Carrier frequency : 97.9 MHz Output level : 70 dB (3.2 mV) Mode : stereo Modulation : 0.01 µF set antenna jack (J1) + – LINE OUT level mete r 10 k Ω main: 1 kHz, 20 kHz deviation (26%) sub: 1 kHz, 20 kHz deviation (26%) 19 kHz pilot: 7.5 kHz deviation (10%)MW SHUF11 4. Push the preset 3 button. Display MW SHUF13 1 5. Adjust with the volume RV1 on TU1 so that the “MW” indica- tion turns to “MW0” indication on the display window. But, in case of already indicated “MW0”, turn the RV1 so that put out light “0” indication and adjustment. Display 1SHUF13 Adjustment Location: See page 22.
– 22 – Adjustment Location: – SET UPPER VIEW – – MAIN BOARD (CONDUCTOR SIDE) – TU1 RV1 AM (MW) Auto Scan/Stop Level Adjustment RV2 FM Auto Scan/Stop Level Adjustment RV4 FM Stereo Separation Adjustment RV131 (R-CH)RV231 (L-CH) DOLBY Level Adjustment J1 antenna jack Tape Speed Adjustment RV3 FM Noise Focus Adjustment TU1 TP (DOLBY L) IC301 IC501 TP (DOLBY R) TP (GND)(XR-C450: E, Saudi Arabia model only)
– 37 – • IC Block Diagrams IC1 BU2624F-E2 1 2 3 4 5 6 7 8 9 10 20 19 18 15 14 13 12 11 16 20BIT COUNTIF COUNT CONTROL SHIFT REGISTER LATCHMAIN COUNT PRESCALLER I/O CONTROLREFERENCE DIVIDERPHASE DETECT 17 XOUT XIN CE CK DA CD P0 P1 P3 P4 PD2 SD IF2 IF1 P2 FMIN AMIN VSS PD1 VDD + – + –+ – + – + – + – + – + – + – + –+ – +– + – + – + – + – DECODER LATCHSHIFT REGISTERCONTROL – + + – 12345678910 20 19 1817161514 13 12 11 21 22 2324252627282930313233 3435363738 39 4041424344 LSELO L4 L3 L2 L1 VDD R1 R2 R3 R4 RSELO RVRIN RCOM RT1 RT2 RT3 RTOUT RSIN RS1 RS2 RS3 RSOUT RFIN RFOUT RROUT VSS CL DI CE VREF LROUT LFOUT LFIN LSOUT LS3 LS2 LS1 LSIN LTOUT LT3 LT2 LT1 LCOM LVRIN IC361 MM1322XFBE 1 2 3 4 5 6 7 8OUT2 VS OUT1 GND IN1 VCCIN2 GND CONTROL CIRCUIT IC651 RN5VD23AA-TL 123 45 + – VREF CD NC OUT VDD GND IC161 LC75373ED
– 38 – IC301 CXA2510AQ-T4 + – + –+ – + – + – 12345678910 20 19 1817 16 15 14 13 12 11 2122232627282930 3132 33 34 37 38 3940 2425 PBFB2 PBRIN2 PBREF2PBFIN2 3536 PBGNDVCT PBFIN1 PBREF1PBRIN1PBFB1 PBEQ2 PBOUT2 VCC TAPEIN2 AUXIN2 MSLPF LINEOUT2 TCH2 NC PLAY FF MSTC DGND MSOUT NC NRSW INSW TAPESW MSMODE DRSW MSSW NC TCH1 LINEOUT1 DIREF AUXIN1 TAPEIN1 PBEQ1 PBOUT1 GND F2120µ/ 70µ X1 X1 VCT + F1 120µ/ 70µNR OFF/B F3 LPF VCC DETECTMS ON/ OFF NR MODE FWD/RVSTAPE EQ TAPE/AUXNR BIASNR MS MODE OFF/BT2 T1 IC671 BA3918-V2 + –+ –+ –+ – OVER VOLTAGE PROTECT REGULATOR 123456789101211 NC MODE2 MODE1 STB VDD AMP VCC ANT COM AM FM GND IC701 BA8270F-E2 1 2 3 456 78 9 10 14 131211 BUS ON SWITCH RESET SWITCH BATTERY SWITCH BUS ON RST BATT CLK VREF DATA GNDVCC RST BUS ON CLK IN BU IN DATA IN DATA OUT
– 39 – 6-7. IC PIN FUNCTION DESCRIPTION MAIN BOARD IC501 µPD78058GC-913-3B9 (SYSTEM CONTROL) 1 DSEL I Destination setting pin 2 RC_IN0 I Rotary remote commander input pin (A/D input) 3 SD_IN I Station detection signal input 4 AVSS — GND 5 ST I/O Stereo detection signal input and forced monaural signal output pin 6 PLLCE O PLL chip enable output pin 7 AVREF1 I A/D reference voltage input pin 8 PLLSI I PLL data input pin 9 PLLSO O PLL data output pin 10 PLLCKO O PLL clock output pin 11 P.ST_IN I Polar stereo input pin 12 LCDSO O LCD data output pin 13 LCDCKO O LCD clock output pin 14 LCDCE O LCD chip enable output pin 15 LCDINH O LCD blank indication control pin 16 UNISI I Data input pin (for SONY BUS) 17 UNISO O Data output pin (for SONY BUS) 18 UNICKI I Clock input pin (for SONY BUS) 19 UNICKO O Clock output pin (for SONY BUS) 20 BUSON O BUS ON control signal output pin (for SONY BUS) 21 SYSRST O System reset signal output pin 22 AMPON O Power amp power supply control pin 23 AMP_MUT O Power amp muting control pin. At muting: “L” 24 TUNON O Tape power supply control pin 25 FM_ON O FM power supply control pin 26 PW_ON O System power supply control pin 27 COLOR I/O Illumination color selection input/output pin At initial mode: valid/invalid selection input of color select function At normal mode: color selection output 28 AMSON I Tape AMS control pin. At AMS: “L” 29 REL I Reel table rotation detection pin 30 MTLIN I AUTO METAL detection pin. “L”: METAL 31, 32 POS3, POS2 I Tape position control pin 33 GND — GND 34, 35 POS0, POS1 I Tape position control pin 36 LM_LOD O Loading motor control pin (loading direction) 37 LM_EJ O Loading motor control pin (eject direction) 38 N/R_OUT O Forward/reverse control pin 39 P.ON O Polar stereo detection output pin. At polar stereo on: “H” 40 CM_ON O Capstan motor control pin 41 TAPON O Tape power supply control pin 42 COLSEL I Illumination color setting pin. “L”: amber, “H”: green 43 RC_IN1 I Rotary remote commander input pin (A/D input) 44 TEST I Test mode setting pin Pin No. Pin Name I/O Function
– 40 – 45 ILLON O Illumination power supply control pin At PW SEL on: ACC on: “H” At PW SEL off: Power on: “H” 46 BEEP O Beep sound output pin 47 MUT O System mutig control pin. At muting: “H” 48 VOLCE O Chip enable output pin to electrical volume 49 SUBCE O Chip enable output pin to sub volume (not used) 50 VOLCKO O Clock output pin to electrical volume 51 SUBCKO O Clock output pin to sub volume (not used) 52 VOLSO O Data output pin to electrical volume 53 TAPMUT O Tape mutig control pin. At muting: “H” 54 DOLON I/O DOLBY control input/output pin At initial mode: valid/invalid selection input of DOLBY function At normal mode: DOLBY on/off output 55 DOLBC I/O DOLBY B/C selection pin At initial mode: valid/invalid selection input of DOLBY C function At normal mode: DOLBY B/C selection output. “L”: DOLBY B, “H”: DOLBY C 56 AMSIN I Tape music with/without detection pin. “L”: with music 57 MTLSEL I/O METAL control input/output pin At initial mode: auto/manual serection input of METAL function. “L”: manual At manual mode: METAL on/off output. “H”: on At auto mode: input st 30 MTLIN 58 AD_ON O Power supply control pin for A/D conversion 59 RAMBU I Reset detection pin of RAM 60 RESET I Reset input pin 61 SIRCS I SIRCS signal input pin 62 BU_IN I Buck up power supply detection pin 63 PW_SEL I Power select switch input pin 64 ACCIN I Accessory voltage detection pin 65 NOSESW I Front panel removal or attaching detection pin 66 TELMUT I Telephone muting detection pin. “L”: 20dB audio muting 67 KEYACK O Key acknowledge signal input pin 68 VDD—Power supply 69 OSCOUT O Main system clock output pin (5MHz) 70 OSCIN I Main system clock input pin (5MHz) 71 GND—GND 72 XT_OUT O Sub system clock output pin (32.768kHz) 73 XT_IN I Sub system clock input pin (32.768kHz) 74 AVDD—Power supply 75 AVREF0 I A/D reference voltage input pin 76, 77KEYIN0, KEYIN1I Key input pin (A/D input) 78 D.POSI I D-BASS switch input pin (A/D input) 79 VSM I FM/AM signal meter voltage detection pin (A/D input) 80 KEYSEL I Key function setting pin Pin No. Pin Name I/O Function