Sony Walkman MZ-E300 Service Manual page 14

MZ-E300
Pin No. Pin name
46 MAD2
47 SLPWMR
48 MAD1
49 FOPWMF
50 MAD0
51 FOPWMR
52 TRPWMF
53 TRPWMR
54 MAD10
55 AVDD
56 OUTL
57 OUTR
58 AVSS
59 VDD2
60 XIN
61 XOUT
62 VSS
63 VDD1
64 F16M
65 ENH
66 LRCO
67 DDATA
68 BCO
69 DDOUT
70 SMON3
71 SMON2
72 SMON1
73 SMON0
74 FSEQ
75 VP
76 MRASBT
77 MRASB
78 FOK
79 NWEB
80 DEFECT
81 MD1
82 FG
83 CL
84 CE
85 MDO
86 DI
87 VDD1
88 DO
89 VDD2
90 VSS
91 MD3
92 WRQB
93 INTB
94 ADIPWO
14
I/O
O* Address output to DRAM (NC)
O* Sled PWM output
O* Address output to DRAM (NC)
O* Focus PWM output
O* Address output to DRAM (NC)
O* Focus PWM output
O* Tracking PWM output
O* Tracking PWM output
O* Address output to DRAM (NC)
— Power supply for 1bit DAC
O 1bit DAC L channel output
O 1bit DAC R channel output
— Ground for 1bit DAC
— Power supply
I 16.9344MHz oscillation input
O 16.9344MHz oscillation output
— Ground
— Internal power supply
O* 16.9344MHz output
O* De-emphasis instruction output
O* LR clock output
O* Audio expansion data output
O* Bit clock output
O* Digital audio output
O* Monitor signal output
O* Monitor signal output
O* Monitor signal output
O* Monitor signal output
O* Frame sync. detection signal output
O* CLV servo lock decision output
O* Output for test
O* RAS signal output to DRAM (NC)
O* Focus OK signal output
O* WE signal output to DRAM (NC)
O* Defect signal output
I/O Data input/output to/from DRAM
I Speed pulse input
I Data transferring clock input for CPU interface
I Chip enable signal input for CPU interface
I/O Data input/output to/from DRAM
I Data input for CPU interface
— power supply
O Data output for CPU interface
— Power supply
— Ground
I/O Data input/output to/from DRAM
O Interruption output for CPU interface
O Interruption output for CPU interface
I Wobbly signal input
Description