Service manual

39
LC-20B8U-S
LC-20B9U-S
LC-20B9U-SM
Pin No. Pin name Function Pin status
58 MPWEL MPSEL0='1' setting (parallel bus): Write enable lower (negative polarity) Pull-up when not used
MPSEL0='0' setting (4-line serial bus) MSD: Serial data input
59 MPOE MPSEL0='1' setting (parallel bus): Output enable (negative polarity) Pull-up when not used
MPSEL0='0' setting (4-line serial bus) MSQ: Serial data output
60 MPCE MPSEL0='1' setting (parallel bus): Chip enable (negative polarity) Pull-up when not used
MPSEL0='0' setting (4-line serial bus) MSN: Serial select
61 MPAH/PCXLK1 (Parallel bus) address latch enable (negative polarity)/ITU-R656 clock input
62 DVDDSD Digital 3.3V power
63 MDQ15/C656IN7 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
' '0' setting: Microprocessor expander/ITU-R656 input
64 MDQ14/C656IN6 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
' '0' setting: Microprocessor expander/ITU-R656 input
65 MDQ13/C656IN5 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
66 MDQ12/C656IN4 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
67 MDQ11/C656IN3 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
' '0' setting: Microprocessor expander/ITU-R656 input
68 DVDD3.3 Digital 3.3V power
69 DGND Digital GND
70 DVDD1.8 Digital 1.8V power
71 MDQ10/C656IN2 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
72 MDQ9/C656IN1 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
73 MDQ8/C656IN0 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
74 MDQ7/C656OUT7 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
75 MDQ6/C656OUT6 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
76 MDQ5/C656OUT5 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
77 MDQ4/C656OUT4 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
78 MDQ3/C656OUT3 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
79 MDQ2/C656OUT2 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
80 MDQ1/C656OUT1 MPSEL0='1' setting: Data input/output (address input) Pull-up when not used
'0' setting: Microprocessor expander/ITU-R656 input
81 DVDDSD Digital 3.3V power
82 DGND Digital GND
83 MPSEL0 Parallel/serial bus type selection
'0': 4-line serial bus, '1': /Multiplex parallel
84 XIN Oscillation buffer input
85 XOUT Oscillation buffer output
86 MPSEL1 MPSEL0='0' setting: '0': 4-line serial bus
87 MDQ0/C656OUT0 MPSEL0='1' setting: Data input/output (address input)
' '0' setting: Microprocessor expander/ITU-R656 output
88 QE/PXCLK0 Panel data enable signal output/ITU-R656 clock output
89 QH Panel horizontal sync signal output
90 QV Panel vertical sync signal output
91 QDRVHA/QOE Panel driver signal output A (variable horizontal period)/Panel data enable
signal output
92 DVDD33 Digital 3.3V power
93 DGND Digital GND
94 DVDD18 Digital 1.8V power
95 QDRVHB Panel driver signal output B (variable horizontal period)
96 QDRVHC Panel driver signal output C (variable horizontal period)