SONY CDX-L550 Repair Manual

$7.99

SONY CDX-L550 - It's a complete service manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. It also usually contains parts catalog. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Tuesday 15 April, 2008.

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Click to see text excerpt from the manual

CDX-L550/L550V/L550X
SECTION 3
DIAGRAMS
3-1. IC PIN DESCRIPTION
Y IC501 MN101C49KTH (SYSTEM CONTROL)
Pin No.Pin NameI/OPin Description
1VREFÄ�NA/D converter power supply (Ä�) pin
2VSMIS-meter voltage detection input
3NIL (FMAGC)INot used. (Connect to VSS in this set)
4, 5KEYIN1, 0IKey input 1, 0
6RCIN0IRotary commander key input
7QUALITYINoise detection input
8MPTHIMultipath detection input
9NIL (DSTSEL)INot used. (Fixed at L in this set)
10VREF+NA/D converter power supply (+) pin (+5 V)
11VDDNPower supply pin (+5 V)
12OSCOUTOMain clock output (18.43 MHz)
13OSCINIMain clock input (18.43 MHz)
14VSSNGround
15XINISub clock input (32.768 kHz)
16XOUTOSub clock output (32.768 kHz)
17MMODIMemory mode select input (Fixed at L in this set)
18LCDSOOSerial data output for LCD driver IC.
19LCDCEOChip enable output for LCD driver IC.
20LCDCKOOSerial clock output for LCD driver IC.
21CD TSOOSerial data output for CD servo IC.
22CD TSIISerial data input from CD servo IC.
23CD TCKOOSerial clock output for CD servo IC.
24SYSRSTOSystem reset output (Not used in this set)
25BUSONOBUS ON output (Not used in this set)
26KEYACKIKey acknowledge detection input
27DAVNIRDS data block synchronization detection input
28BUINIBackup power supply input
29SIRCSISIRCS input
30CD SELFSWICD mechanism deck Self switch detection input
31CD PACKICD text pack synchronization signal input from CD servo IC.
32VDD2NPower supply pin (+5 V)
33RESETIMicrocomputer reset input
34NOSESWIFront panel attachment detection input
35BEEPOBeep output
36NCOONot used. (Open)
37TESTINITest mode detection input
38ACCINIAccessory power supply detection input
39NCO (VCC)ONot used. (Open)
40TELATTITelephone attenuator detection input
41NCO (VCC)INot used. (Fixed at H in this set)
42UNISOOSONY-BUS data output (Not used in this set)
43UNISIISONY-BUS data input (Not used in this set)
44UNICKOOSONY-BUS clock output (Not used in this set)
4512C SIOI/OI2C BUS serial data input/output
46NCOONot used. (Open)
4712C CKOOI2C BUS serial clock output
48NCOONot used. (Open)
49TUNONOTuner power supply control output
50PW ONOSystem power supply control output
51TSTBOCD text parameter strobe output for CD servo IC.
52RFOKIRFOK signal input from CD servo IC.
13