Kenwood DPF-K6010V, Руководство по обслуживанию

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DPF-K6010V
No. Name I/O Description
48, 49 MIC1/MIC2 I Microphone (1, 2) input.
50, 51 VSSA – Analog ground.
52 VREF I
Internal resistor divider generates Common Mode Reference (CMR) voltage.
Bypass to analog ground with 0.1 uF.
53 VCM I
ADC Common Mode Reference (CMR) buffer output. CMR is approximately 2.25V.
Bypass to analog ground with 47 uF electrolytic in parallel with 0.1 uF.
54 RSET I Full scale DAC current adjustment.
55 COMP I Com pen station pin.
56, 57 VSSAV – Analog ground.
58 CDAC O Modulated chrominance output.
59 VCCAV – Analog VCC, 5V.
60 VCCAV – No used.
61 YDAC O Y luminance data bus for screen video port.
62, 63 VSSAV – Analog ground.
64 VDAC O Composite video output.
65 NC – No used.
66 VCC – Voltage supply, 5V.
67 AUX6 (XLAT) O Latches serial data output to IC2 (CXD2500BQ).
68 AUX5 (DATA) O Outputs serial data to IC2 (CXD2500BQ).
69 AUX4 (NT/PAL) O NTSC/PAL video control.
70 AUX3 (SENS) I SENS input from IC2 (CXD2500BQ).
71 XOUT O Crystal output.
72 VSS – Ground.
73 VCC – Voltage supply, 5V.
74 XIN I 27MHz crystal input.
75~77 VSS – Ground.
78 VCC – Voltage supply, 5V.
79 PCLK I/O 13.5MHz pixel clock.
80 PCLK2X I/O 27MHz (2 times pixel clock).
81 DSC D7 I/O Data for programming to access internal registers.
82 HSYNC O Horizontal sync (active low).
83 DSC D6 I/O Data for programming to access internal registers.
84 VSYNC O Vertical sync (active low).
85 DSC D5 I/O Data for programming to access internal registers.
86~89 YUV7~YUV4 I YUV data bus for screen video port.
90 VCC – Voltage supply, 5V.
91 VSS – Ground.
92 YUV3 I YUV data bus for screen video port.
93 DSC D4 I/O Data for programming to access internal registers.
94 YUV2 I YUV data bus for screen video port.
95 DSC D3 I/O Data for programming to access internal registers.
96 YUV1 I YUV data bus for screen video port.
97 DSC D2 I/O Data for programming to access internal registers.
98 YUV0 I YUV data bus for screen video port.
99 DSC D1 I/O Data for programming to access internal registers.
100 VSS – Ground.
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CIRCUIT DESCRIPTION
DPF-K6010V(K) COVER1,1( 98.12.10 10:54 y [ W 14