SONY CDXC6850R Repair Manual

Pin No.Pin NameI/OPin Description
56AMP ONOPower amplifier power control output
57TXT ONOReset output to CD-TEXT decoder IC.
58VOL ATTOElectric volume mute control output
59NILNNot used. (Open)
60ATTOSystem attenuate control output
61RC IN1IRotary commander shift key input 1
62TU ATTOTuner attenuate output
63VSSNGround
64NILNNot used. (Open)
65SSTOPIIF counter result signal detection input of PLL.
66TESTITest mode initial setting detection input
67DAVNIRDS IC data acquisition detection input
68FM ON/AM ONOFM ON output
69TU ONOTuner power control output
2
70SDAI/OIC BUS serial data input/output
2
71SCLOIC BUS serial clock output
72NOSE2IFront panel OPEN detection input
73X1AOSub ceramic oscillator output (32 kHz)
74X0AISub ceramic oscillator input (32 kHz)
75SCORISCOR signal detection input
76BU INIBackup power detection input
77DQSYICD-TEXT data setting completion signal detection input
78CD SENSICD SENS signal detection input
79NILIKey input acknowledge
80TEL ATTITelephone attenuate detection input
81ST/MONOI/OTuner stereo signal detection input/forced monaural output
82SEEKOUTOSEEK output
83SD INISignal detector input
84WIDEOWIDE select output
85NARROWONARROW select output
86HSTXNHardware standby input (Connect to pin (1 (RESET).)
87MD2NOperation mode input (Connect to ground in this set.)
88, 89MD1, 0NOperation mode input (Connect to VCC in this set.)
90RESETIReset input
91VSSNGround
92X0IMain ceramic oscillator input (4.19 MHz)
93X1OMain ceramic oscillator output (4.19 MHz)
94VCCNPower supply pin (+5 V)
95COM8V ONOCOM 8V control output
96NILNNot used. (Open)
97AREA1IDestination select input 1 (Fixed at OL� in this set.)
Destination select input 2 (Fixed at OL� (AEP, UK model) or OH� (German model)
98AREA2I
in this set.)
99LOUDIFixed at OH� in this set.
100BANDIFixed at OH� in this set.
101ACC INIAccessory power detection input
102, 103PH3, 2IDisc insertion detection photo sensor input (Fixed at OH� in this set.)
104LCD CEOLCD chip enable output
105FLS WIFlash write input (Fixed at OH� in this set.)
106, 107RE IN0, 1IRotary encoder input
108ILL ONOIllumination power control output
109PW ONOSystem power control output
110NILNNot used. (Open)
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