Sharp LC-30HV4U Service Manual page 42

LC-30HV4U
LC-30HV4D
ËVHIPD6408+-1S (ASSY:IC7001)
3D Y/C separation LSI incorporates 4M-bit memory
» Pin mapping
Pin No. Pin Name
1,33,48,75 DGND
39,62,100 DVDD
4-12,28-30, TEST01-
32,40-43, TEST26
78-85,99
13 EXTALTF
14-23 EXTDYCO0-
EXTDYCO9
24-25 DGNDRAM
26-27 DVDDRAM
31 DVDDIO
34-35 AGND
36 XI
37 XO
38 AVDD
44 RPLL
45 SLA0
46 SCL
47 SDA
49 AGND
50 AVDD
51 FSCO
52-53 AGND
54 FSCI
55 AVDD
56 CKMD
57 CLK8
58 RSTB
59 ST0
60 ST1
61 NSTD
63-72 DYCO0-DYCO9
73 ALTF
74 LINE
76 KIL
77 CSI
2 TESTIC1
3 TESTIC2
86 AVDD
87 CBPC
88 ACO
89 AYO
90 CBPY
91 AGND
92 AGND
93 AYI
94 VCLY
95 VRBY
96 VRTY
97 VCOMY
98 AVDD
Type
–– Digital GND (same as I/O)
–– Digital 2.5V Power
TEST pin (Open or GND)
O Extension 4fsc Alternate flag Output
I/O Extension digital In/output
–– DRAM GND
–– DRAM 2.5V Power
–– I/O 3.3V power
–– OSC circuit GND
I Reference CLOCK Input
O Reference CLOCK
–– OSC circuit 2.5V power
I Test in/output (Connect GND)
I I2C Bus Slave Address input select
I I2C Bus Clock Input
I/O I2C Bus data In/output
–– fscDAC GND
–– fscDAC 2.5V Power
O fsc generator fsc output
–– 8fsc PLL GND
I 8fsc PLL fsc Input
–– 8fsc PLL 2.5V Power
I CLK8 TEST mode select
I/O CKMD=0.8fsc CLOCK output
CKMD=1.8fsc CLOCK input
I System Reset Input (Active Low)
O Internal signal monitor output
O Internal signal monitor output
O Abnormal detection monitor OUTPUT (L:Normal, H:Abnormal)
I/O Digital In/output
O 4fsc Alternate Auto Flag Output
I Forced Line Input Select
(L:Normal, H:Forced)
I External killer Input
(L:Standard, H:Forced)
I Composite Sync (Active Low)
I IC Selection TEST (GND)
I IC Selection TEST (GND)
–– Y-DAC, C-DAC 2.5V power
O C-DAC Output
O C-DAC Analog C Signal Output
O Y-DAC Analog Y Signal Output
O Y-DAC, Output
–– Y-DAC, C-DAC GND
–– ADC GND
I ADC Analog Composite Signal Input
O ADC Clamp Power output
O ADC Bottom Reference Voltage Output
O ADC Top Reference Voltage output
O ADC Sync Reference Voltage
–– ADC 2.5V power
42
Description