Sony MZ-E55 Service Manual page 39

Pin No. Pin Name
48
49
50 VDD
51 VPP
52 VSS
53 SLD 1R CON
54 SLD 1F CON
55 SLD 2R CON
56 SLD 2F CON
57
58
59
60
61 SPCK
62 RMC DTCLK
63 – 66
67 SLD V CON
68 SLC TR ON
69 HP MUTE
70 HP STBY
71 RMC SEL
72 NV D0
73 NV D1
74 NV CLK
75 NV CS1
76 VDD
77 – 79 LCD VL2 – 0
80 VSS
81 – 87
88 – 96 LCD SEG0 – 8
97 – 100 LCD COM0 – 3
I/O
– Not used (Open).
– Not used (Open).
– Digital power supply (+2.6V or +2.8V).
– Power for on board light.
– Digital ground.
O Sled motor control signal output.
O Sled motor control signal output.
O Sled motor control signal output.
O Sled motor control signal output.
– Not used (Open).
– Not used (Open).
– Not used (Open).
– Not used (Open).
O Serial clock output for Remote control communication. Not used (Open).
I/O Serial data input/output for Remote control communication.
– Not used (Open).
O Sled servo outer voltage control output.
O Baypass transistor control output for sled drive power supply.
O Headphone amplifier mute output.
O Headphone amplifier standby output.
O TSB/SSB selection signal output to remote commander terminal. Not used (Open).
O Serial data signal output for NVRAM.
I Serial data signal input from NVRAM.
O Serial clock signal output for NVRAM.
O Chip select signal output for NVRAM.
– Digital power supply (+2.6V or +2.8V).
I LCD drive level power supply (Connected ground).
– Digital ground.
– Not used (Open).
– LCD Segment terminal. Not used (Open).
– LCD common terminal. Not used (Open).
– 14 –
Pin Description