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Check the terminal board_DL-SDI
SDI IN 1
SDI OUT 1
SDI IN 2
SDI OUT 2
Check the BGA Board
SW_HS (TO IC8211)
W_HS/VS/DE/CLK,
CHS,CNT_HS
IC5201
FPGA1
RA/RB/
PRE-SELECTOR
GA/GB/
<EP1S25F780>
BA/BB
_FPGA1
LAMP CONTROL
CONTROL LINE
FROM CPU
SCL/SDA_PW2
TO IC8201
D9935
ERROR_A
IC4565
IC5401
VCO
EQUALIZER
D9936
<GO1525>
<GS1574>
LOCK_A
IC5441
IC5421
DRIVER
DESERIALIZER
<GS1578>
<GS1560>
IC6441
IC6401
EQUALIZER
DESERIALIZER
<GS1574>
<GS1560>
D9937
IC6421
IC6465
ERROR_B
DRIVER
VCO
<GS1578>
<GO1525>
D9938
LOCK_B
IC1304
IC1305
FLASH ROM
RAM
<MBM29LV800>
RAO/RBE/
RAO/RBE/
GAO/GBE/
GAO/GBE/
IC301
BAO/BBE_PW
BAO/BBE_PW
SCAN
CONVERTER
GCLK/HS/
<PW365-30U>
GVS_PW
IC3301,02,03
CLKO/HO/VO_IP
SDRAM
<EM638325>
RA/RB/
GA/GB/
BA/BB
_IP
IC4201
I/P
CONVERTER
<T6TN8TB>
WR/CS_IP
- 55 -
Check the Vcc voltages.
S9V
(Always)
9V / 5VB / -5V
(Switched)
Check the test points.
DL SDI BOARD
BUFFER
IC4501
IC6471,72,73,74
DEFORMATER
BUFFER
( FPGA )
<74VCX16374>
<EP1C20F>
IC9902
IC9901
EEPROM
I/O EXPANDER
Check the Vcc voltages.
S5V / S9.6V / S3.3V (Always)
16VA
Check the signal lines.
IC1303
EEPROM
SCL/SDA_PW1
RAO/RBE/
GAO/GBE/
BAO/BBE_FPGA2
CLK/DHS/
DVS_FPGA2
B
A
IC6201
FPGA2
CLKD/HD/VD_IP
SELECTOR
<XC2V3000>
IC6202
OSD SDRAM
RA/RB/
<EM638325>
GA/GB/
BA/BB_IPOUT
DATA/ADDRESS BUS
FROM CPU
BGA BOARD
Troubleshooting
IC6475
SCL/SDA
(Switched)
RA/RB/
GA/GB/
BA/BB
_GAM
CLKO/
HSO/VSO
_GAM
OSD
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