Pioneer CB-A802, Руководство по обслуживанию

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DVD-V8000
120
1 2 3 4
1 2 3 4
C
D
F
A
B
E
7.7 PIN FUNCTION OF THE PCB ASSY
No. I/O Pin Name Pin Function No. I/O Pin Name Pin Function
1
−
GND GND 16 I LETTER 0 V: OFF, 3.3 V: ON
2 I Cr V.ENCout Cr 17 I SQEEZE 0 V: OFF, 3.3 V: ON
3
−
GND GND 18 I VSEL2 VIDEO OUT select
4 I Cb V.ENCout Cb 19 I VSEL1 Monitor OUT select
5
−
GND GND 20 I OSD_DATA Data signal for OSD
6 I Y V.ENCout Y 21 I OSD_CLK Clock signal for OSD
7
−
GND GND 22 I OSD_CS Chip select signal for OSD
8 I S_Y V.ENCout S-Y 23 I OSD_RST Reset signal for OSD
9
−
GND GND 24 O SEL_TV NTSC/PAL/AUTO select
10 I S_C V.ENCout S-C 25 O Vin_ST EXT Video sync signal
11
−
GND GND 26 I VSEL3 VIDEO OUT mute select
12 I Cv V.ENCout Composite 27 I V+12 +12 V
13
−
GND GND 28 I V+6E EVER+6 V
14 I P/XI 0 V:INTER 3.3 V:PROGRE 29 I V+6E EVER+6 V
15 I V_OFF Video Driver mute signal
No. Pin Name Low (0V) Hi (+3.3V)
19 VSEL1 Video_out outputs DVD video signal Video-out outputs Ext_In Video signal
18 VSEL2 Monitor-out outputs DVD video signal Monitor-out outputs Ext_In Video signal
26 VSEL3 Video-out can be output (mute off) Video-out is not output. (mute on)
No. I/O Pin Name Pin Function No. I/O Pin Name Pin Function
1 I XAMUTE 0 V: ON, 3.3 V: OFF 13 I MC A-DAC mode control clock
2 I ASEL 0 V: DVD, 3.3 V: EXT 14
−
GND GNDD
3 I LRCK A-DAC LR latch 15 I MD A-DAC mode control data
4
−
GND GNDD 16
−
GND GNDD
5 I DATA A-DAC audio digital data 17 I DOUT D.Audio :0.5 Vp-p
6
−
GND GNDD 18 I/O SDA1 Data signal for EEPROM
7 I BCK A-DAC bit clock 19 I SCL1 Clock signal for EEPROM
8
−
GND GNDD 20 I WP EEPROM Write-Protection
9 I PCMCLK A-DAC system clock 21 I V+3D +3.3 V
10
−
GND GNDD 22 I V+3D +3.3 V
11 I ML A-DAC mode cont latch 23 I V+12 +12 V
12
−
GND GNDD 24 I V+12 +12 V
No. Pin Name Low (0V) Hi (+3.3V)
2 ASEL Audio_out outputs DVD Audio signal Audio-out outputs Ext_In Audio signal.
1 XAMUTE Audio-out is not output. (mute on) Audio-out can be output. (mute off)
(1) CN7001 (VKN1433): VJKB Assy
→
CN901 (VKN1433): DVDM Assy
(2) CN8001 (VKN1814): AJKB Assy
→
CN551 (VKN1510): DVDM Assy
Internal Connection
• The status of video-switch port
• The status of audio-switch port