Sony cdx 4180 service manual
This is the 10 pages manual for sony cdx 4180 service manual.
Read or download the pdf for free. If you want to contribute, please upload pdfs to audioservicemanuals.wetransfer.com.
Extracted text from sony cdx 4180 service manual (Ocr-read)
Page 1
Ð 19 Ð 4-1. IC PIN DESCRIPTION ¥ IC801 mPD17705GC-526-3B9 (SYSTEM CONTROL) Pin No. Pin Name I/O Pin Description 1 SIRCS I SIRCS input (A/D) 2 IN-SW I CD mechanism position detection 3 D-SW I CD mechanism position detection 4 SELF-SW I CD mechanism position detection 5 L-SW I LIMIT switch 6 LM-EJ O Loading motor control (Eject direction) 7 LM-LOD O Loading motor control (Loading direction) 8 ANT-ON O Power control for amplifier. 9 MONO O Force MONO output 10 SD I SD signal input 11 BAND-SW I Band plan setting of general area. 12 AREA1-SW I Destination select 1 13 AREA2-SW I Destination select 2 14, 15 RE1, 2 I Rotary encoder input 1, 2 16 SEEK O SEEK output 17 Ð 20 NC Ñ Not used. 21 GND3 Ñ GND 22 Ð 24 KEYIN3 Ð 1 I A/D key input 3 Ð 1 25 ROT-IN I Rotary commander input 26 S-METER I FM and AM common signal meter A/D conversion input 27 TEST-SW I TEST mode select input 28 AM-IFC I AM center frequency input 29 FM-IFC I FM center frequency input 30 VDD2 Ñ Power supply (+5 V) 31 VCOH-FM I Local oscillation frequency input (FM) 32 VCOL-AM I Local oscillation frequency input (AM) 33 GND2 Ñ GND 34 NC Ñ Not used. 35 EO1-PDOUT O Error out output 36 TESTO Ñ Fixed at ÒLÓ. 37 AM-ON(TU-ON) O AM power output (AM select) 38 FM-ON(FM/AM) O FM power output (FM select) 39 LCL/DX O LOCAL/DX select (ÒHÓ : LOCAL, ÒLÓ : DX) 40 BEEP O BEEP output 41 ACC-IN I Accessory input 42 SCOR I SUBQ data read request 43 MUTE O System mute output 44 AMP-MUTE O Power amplifier mute output 45 TEL-MUTE O Telephone mute output 46 NC Ñ Not used. 47 VOL-CE O Electric volume chip select 48 VOL-CLK O Electric volume serial clock 49 VOL-DATA O Electric volume serial data 50 EMPHO O De-emphasis control output 51 PW-ON O System power control 52 MD-ON O Loading motor power 53 CD-ON O Servo drive power 54 ILL-ON O Illumination output 55, 56 MOD1, 2 O Bus boost control 1, 2 57 NC Ñ Not used. 58 LCD-CE O LCD drive chip select output SECTION 4 DIAGRAMS
Page 2
Ð 20 Ð Pin No. Pin Name I/O Pin Description 59 EZ-SEL I SHIFT + input 60 SENS I Information input from servo IC. 61 FOK I Focus OK input 62 LD-ON O Laser diode control 63 NC Ñ Not used. (Connect to GND.) 64 ST/MONO I/O Used for both STEREO indicator display input and force MONO output. (FM) 65 LCD-CKO O LCD driver serial clock output 66 LCD-SO O LCD driver serial data output 67 C.ALARM O Caution alarm output 68 SQ-CKO O Q data read serial clock output 69 CD-RST O Servo IC/DAC reset output 70 SQ-SI I Q data input 71 CD-SO O Serial data output to servo IC. 72 CD-LAT O Data latch output to servo IC. 73 CD-CKO O Serial clock output to servo IC. 74 VREF Ñ Not used. 75 GND1 Ñ GND 76 X-OUT Ñ Crystal oscillator connection (4.5 MHz) 77 X-IN I Crystal oscillator connection (4.5 MHz) 78 BU-IN I Back-up detection 79 VDD1 Ñ Power supply (+5 V) 80 RESET I RESET input