Sony CDX-R3300S Service Manual page 15

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70
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L 13942296513
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Pin Name I/O
CLTV I VCO1 control voltage input
FILO O Filter signal output for master PLL
FILI I Filter signal input for master PLL
PCO O Charge pump output for master PLL
AVDD5 — Analog power supply pin
DDVROUT O DC/DC converter output
DDVRSEN I DC/DC converter output voltage monitor signal input
AVSS5 — Analog ground pin
DDCR I Reset signal input for DC/DC converter
NC — Not used. (Open)
BCKI I D/A interface bit clock signal input
PCMDI I D/A interface serial data signal input
LRCKI I D/A interface LR clock signal input
LRCK O D/A interface LR clock signal output
VSS — Digital ground pin for internal
PCMD O D/A interface serial data signal output
BCK O D/A interface bit clock signal output
VDD — Digital power supply pin for internal
EMPH O Not used in this set. (Open)
EMPHI I Not used in this set. (Fixed at "L".)
IOVDD2 — Digital power supply pin for I/O
DOUT O Digital out signal output
TEST I Test pin Normally "L".
IOVSS2 — Digital ground pin for I/O
NC — Not used in this set. (Open)
XVSS — Ground pin for master clock
XTAO O Crystal oscillation circuit output (16.9344 MHz)
XTAI I Crystal oscillation circuit input (16.9344 MHz)
XVDD — Power supply pin for master clock
AVDD1 — Analog power supply pin
AOUT1 O L channel analog signal output
VREFL O L channel reference voltage output
AVSS1 — Analog ground pin
AVSS2 — Analog ground pin
VREFR O R channel reference voltage output
AOUT2 O R channel analog signal output
AVDD2 — Analog power supply pin
NC — Not used. (Open)
IOVDD0 — Digital power supply pin for I/O
RMUT O R channel "0" detection flug output
LMUT O L channel "0" detection flug output
NC — Not used. (Open)
XTSL I X'tal select signal input 16.9344 MHz: "L", 33.8688 MHz: "H"
IOVSS0 — Digital ground pin for I/O
XTACN I Oscillation circuit control input "H": Oscillation start, "L": Oscillation stop
SQSO O Sub 80 bit and PCM peak, level data signal output CD text data signal output
SQCK I Clock signal input for SQSO read out
SBSO O Sub P-W serial data signal output Not used in this set. (Open)
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y
EXCK I Clock signal input for SBSO read out Not used in this set. (Open)
XRST I System reset signal input "L": reset
i
SYSM I Mute signal input "H": mute Not used in this set. (Fixed at "L".)
DATA I Serial data signal input
VSS — Digital ground pin for internal
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CDX-R3300/R3300S
2 9 9 4 2 8
Pin Description
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9
15