Toshiba e-Studio 162 Service Manual page 118

b. ASIC (Signal table)
PIN
Signal Name IN/OUT Connected to
No.
1 cpudata7 IN/OUT CPU
2 cpudata6 IN/OUT CPU
3 cpudata5 IN/OUT CPU
4 cpudata4 IN/OUT CPU
5 VCC_AC Power
6 cpudata3 IN/OUT CPU
7 cpudata2 IN/OUT CPU
8 cpudata1 IN/OUT CPU
9 cpudata0 IN/OUT CPU
10 GND_AC Power
11 mircnt OUT
12 cpusync OUT
13 mem_intr
14 arb_intr OUT
15 VCC_core Power
16 cpu_ad8 IN
17 cpu_ad7 IN
18 cpu_ad6 IN
19 cpu_ad5 IN
20 GND_core Power
21 ram_clk_in IN
22 cpu_ad4 IN
23 cpu_ad3 IN
24 cpu_ad2 IN
25 cpu_ad1 IN
26 cpu_ad0 IN
27 xcpucs IN
28 sfclk IN
29 GND_core Power
30 xcpuwr IN
31 xcpurd IN
32 nrst IN
33 VCC_core Power
34 pfclk2 IN
35 clock_sw IN
36 GND_core Power
37 pfclk1_xout OUT
38 pfclk1 IN
39 VSSPLL2
40 VDDPLL2
41 VSS2
42 VDDI2
43 tm2_15m
44 xsync IN
45 GND_AC Power
46 xld OUT
47 xlend OUT
48 VCC_AC Power
49 mmd OUT
50 pmd OUT
51 tc OUT
52 gridl OUT
Description
CPU data bus
CPU data bus
CPU data bus
CPU data bus
CPU data bus
CPU data bus
CPU data bus
CPU data bus
Buffer IC ADF scanner select
signal
CPU CPU SYNC signal
Not used
CPU INTR signal
CPU CPU address bus
CPU CPU address bus
CPU CPU address bus
CPU CPU address bus
ASIC SDRAM clock on the
board
CPU CPU address bus
CPU CPU address bus
CPU CPU address bus
CPU CPU address bus
CPU CPU address bus
CPU CS signal
Oscillator Clock
CPU CPU write signal
CPU CPU read signal
SYSTEM SYSTEM RESET
RESET
Not used
Pull up
X-tal units VIDEO clock
X-tal units VIDEO clock
Pull up
Pull up
Pull up
Pull up
Pull up
LSU Horizontal sync
signal from LSU
(/SYNC)
LSU Laser drive signal
LSU Laser APC signal
Tr array IC Main motor control
signal. "H": Main
motor ON
I/O Polygon motor drive
Tr array IC Transfer charger
control signal. "H":ON
Tr array IC Main charger grid
control signal. "H": L
output
e-STUDIO162/162D/151/151D ELECTRICAL SECTION 13 - 4
PIN
Signal Name IN/OUT Connected to
No.
53 mc OUT
54 bias OUT
55 NC OUT
56 vfmcnt OUT
57 VCC_core Power
58 vfm OUT
59 /FPOFF OUT
60 GND_core Power
61 DEV DIR OUT
62 spfclh OUT
63 spfrsol OUT
64 spfgsol OUT
65 spfpsol OUT
66 VCC_core Power
67 bias OUT
68 lden OUT
69 GND_AC Power
70 MRPS1 OUT
71 MRPS2 OUT
72 MRPS3 OUT
73 CPFS1 OUT
74 VCC_AC Power
75 CPFS2 OUT
76 pr OUT
77 hl OUT
78 GND_core Power
79 MPFS OUT
80 miron OUT
81 spfon OUT
82 KEYSC1 OUT
83 KEYSC2 OUT
84 KEYSC3 OUT
85 IMC ready OUT
86 VCC_core Power
87 tmx OUT
88 tm OUT
89 op_data OUT
90 ope_latch OUT
91 GND_AC Power
Description
Tr array IC Main charger control
signal. "H": ON
I/O HV bias drive
I/O Not used
Tr array IC Ventilation fan
rotation speed control
signal. "H": High
speed, "L": Low
speed
Tr array IC Ventilation fan control
signal. "H": Fan ON
I/O FAX poff signal
I/O CRUM bus control
Tr array IC ADF/RADF resist
roller clutch control
signal "H":ON
Tr array IC ADF/RADF document
feed solenoid control
signal "H":ON
Tr array IC ADF/RADF gate
solenoid control
signal "H":ON
Tr array IC ADF/RADF document
transport solenoid
control signal "H":ON
Tr array IC DV bias control
signal. "H":ON
Tr array IC Laser circuit control
signal. "H": Laser
circuit ON
I/O ADF current control
I/O ADF current control
I/O ADF current control
I/O 1st cassette pick up
solenoid
I/O 2nd cassette pick up
solenoid
I/O Power relay control
Tr array IC Heater lamp control
signal. "H":ON
I/O Multi-bypass solenoid
Buffer IC ADF scanner select
signal
Buffer IC ADF ON signal
I/O Key sense control
I/O Key sense control
I/O Key sense control
I/O IMC control
Buffer IC Toner motor control
signal
Buffer IC Toner motor control
signal
Tr array IC Operation circuit data
signal
Tr array IC Operation circuit latch
signal. Data take-in at
"L"