Sony HCD-HPX7 Service Manual - Page 79
IC602, RT8H015C-T112-1, IC801, PT6315
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Page 79 highlights
HCD-HPX7 - AMP BOARD - IC602 RT8H015C-T112-1 CT GND VCC 6 5 4 OVER LOAD DETECT DC DETECT 1 2 3 OUT VP OCP - PANEL (1) BOARD - IC801 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 44 43 42 41 40 39 Grid driver Command decoder Display memory 24 bits x 12 words 38 37 36 35 34 Multiplexed driver 33 SEG19/GRID10 32 SEG18/GRID11 31 SEG17/GRID12 12-bit shift register Data selector OSC 5 OSC DOUT 6 DIN 7 CLK 8 STB 9 Serial interface KEY1 10 KEY2 11 12 13 Timing generator key scan Key data memory (2 x 16 bits) 30 VEE 24-bit output latch segment driver 14 15 16 17 18 19 20 21 22 29 SEG16/KS16 28 SEG15/KS15 27 SEG14/KS14 26 SEG13/KS13 25 SEG12/KS12 24 SEG11/KS11 23 SEG10/KS10 VSS 4-bit latch VDD SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 SEG7/KS7 SEG8/KS8 SEG9/KS9 79
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