Sony HCD-DZ300 Service Manual page 54

HCD-DZ300
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Pin No. Pin Name
46 CE
47 DRIVE_RST(EN)
48 DRIVE_OCP(DIAG)
49 OVERFLOW1
50 OVERFLOW2
51 DAMP LATCH1
52 DAMP LATCH2
53 DAMP LATCH3
54 DAMP INIT
55 DAMP SOFT MUTE
56 HP SW
57 HP MUTE
58 DSP_ACK
59 DSP_GP9
60 DSP_XRST
61 DSP_HCE
62 VCC
63 DSP_BST
64 VSS
65 DSP_PM
TE
L 13942296513
66 DIR RST
67 DIR HCE
68 DIR RERR
69 DIR XSTATE
70 DIR HDOUT
71 DSP_SKIP
72 AD_RST
73 MODEO
74 KEY INT
75 RDS-CLK/MIC-CLK
76 RDS-DATA/MIC-DATA
77 PLL-CLK
78 PLL-DO
79 PLL-CE
80 PLL-DI
81 AV SELECT 0
82 AV SELECT 1
83 AV SELECT 2
84 AV SELECT 3
85 TUNED
86 IO_CE
www
87 IO_RESET
88 IO_DI
89 IO_DO
.
90 IO_CLK
91 IPOD/MIC SW
92 DESTINATION
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I/O
O Flash Write CE (not used)
O Driver signal reset
I Digital amp (power driver) diag
I Over flow status1 of digital amp (IC110)
I Over flow status2 of digital amp (IC108 to 110)
O Digital amp (IC108) chip select1 signal output
O Digital amp (IC109) chip select2 signal output
O Digital amp (IC110) chip select3 signal output
O Digital amp (IC108 to 110) reset signal output
O Digital amp (IC108 to 110) soft muting output
I Switch headphone is insert
O Control of muting headphone signal
I DSP acknowledge (not used)
I DSP GP9 in (not used)
O DSP reset (not used)
O DSP chip enable (not used)
— Power supply (+3.3V)
O DSP bootstrap (for DSP INIT) (not used)
— Ground terminal
O DSP pll initial (not used)
O DIR reset out (not used)
O DIR chip enable signal output (not used)
I DIR error input (not used)
I DIR change clock status (not used)
I DIR Data input (not used)
O DSP GP12 (not used)
O ADC reset (not used)
— Not used
I Wakeup from ECO mode by key input
O Tuner RDS clock output
I Tuner RDS data input
O Tuner clock
O Tuner data out (uCOM→pack)
O Tuner chip enable
I Tuner data in (pack→uCOM)
O Audio/Video select0
O Audio/Video select1
O Audio/Video select2
O Audio/Video select3 (not used)
I Tuner pack tuned in
O I/O expander chip enable / control of loading CD tray (open action)
O I/O expander reset / control of loading CD tray (close action)
I I/O expander data in / SW2 of CDM
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y
O I/O expander data out / SW3 of CDM
i
O I/O expander clock
O Audio signal mute control output
I Destination select
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Description
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