Sony STR-K7200 Service Manual - Page 54
IC4001, SI-8050S-LF1101, IC4100, SI-8033S, IC100, PT6315
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Page 54 highlights
STR-K7200 - DISPLAY Board - IC100 PT6315 VSS VDD GRID1 GRID2 GRID3 GRID4 SEG24/GRID5 SEG23/GRID6 SEG22/GRID7 SEG21/GRID8 SEG20/GRID9 LED1 1 LED2 2 LED3 3 LED4 4 OSC 5 DOUT 6 DIN 7 CLK 8 STB 9 KEY1 10 KEY2 11 OSC SERIAL INTERFACE 44 43 42 41 40 39 38 37 36 35 34 4-BIT LATCH KEY DATA MEMORY (2 x 16 BITS) TIMING GENERATOR KEY SCAN DISPLAY MEMORY 24 BITS x 12 WORDS COMMAND DECODER 12-BIT SHIFT REGISTER 4 12 4 GRID DRIVER 8 DATA 8 MULTIPLEXED 8 SELECTOR DRIVER 8 24-BIT OUTPUT 24 16 LATCH SEGMENT 16 DRIVER DIMMING CIRCUIT 12 13 14 15 16 17 18 19 20 21 22 33 SEG19/GRID10 32 SEG18/GRID11 31 SEG17/GRID12 30 VEE 29 SEG16/KS16 28 SEG15/KS15 27 SEG14/KS14 26 SEG13/KS13 25 SEG12/KS12 24 SEG11/KS11 23 SEG10/KS10 VSS VDD SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 SEG7/KS7 SEG8/KS8 SEG9/KS9 - DCDC CONVERTER Board - IC4001 SI-8050S-LF1101 IC4100 SI-8033S REGULATOR OVER CURRENT PROTECTOR OSC RESET + - COMPARATOR LATCH & DRIVER OVER HEAT PROTECTOR - + ERROR AMP VREF 1 2 3 45 VIN SW OUT GND VOS S.S 54
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