PlayStation SCPH-7501 Service Manual - Page 6

Reproduction Prohibited PU-23 BOARD SECTION 5 BLOCK DIAGRAMS MEMORY CARD CONTROLLER CONTROLLER TERMINAL BOARD FRONT CN102 CTR3.3V MEMORY CARD POWER AC IN POWER SUPPLY BLOCK +8V +3.5V EXT +8V CN602 +3.3V IC106 (DRAM) 16Mbit IC204 32 X201 NTSC : 53.693175MHz PAL : 53.203425MHz IC201 (SG-RAM) NTSC : 3.58MHz PAL : 4.43MHz IC203 (GPU) CXD8561 32 VIDEO IC502 ( ) VDAC +RGB ENCODER VID +5V 32 MAIN BUS VIDEO OUT AUDIO OUT 67.7376MHz CPU IC103 (CPU) CXD8606 33.8688MHz 8 SUB BUS IC304 IC102 (BOOT RAM) (SUB CPU) 16 MC68HC05G6 4.19MHz MOT +8V IC601 5V 78M05 SERVO IC722 (DRIVER) BA5977 IC732 (CD-ROM CONTROLLER + CD DSP) CXD2938 IC723 (CD, RF) CXA2575 16 SER +3.3V IC405 (DAC) NJM2174 AUD +5V AUDIO IC310 4Mbit DRAM DIG +5V IC602 (RIPPLE) LP2985 Filter CN701 CN702 OPTICAL DEVICE KSM-440AEM - 5 - SCPH-9000 SERIES CN502 AV MULTI OUT CN104 SERIAL I/O