Read Sharp SD-EX100H (serv.man18) Service Manual online
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SD-EX100H
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
37
P61/CLK0
—
Output
Port processing. Fixed at "L".
38*
P60/CTS0/RTS0 —
Output
Port processing. Fixed at "L".
39
P57/RDY/CLKOUT OSC_OUT
Output
To measure transmission frequency
40*
P56/ALE
MD_RESET
Output
Reset output to MD unit
Timing with MD + 5VCONT output required
Timing with MD + 5VCONT output required
41
P55/HOLD
FLASH_EPM
Input
Connected to VSS via pull-down resistor
(Setting in case of FLASH writing) Functionally unused.
(Setting in case of FLASH writing) Functionally unused.
42*
P54/HLDA
MD_SERCH
Output
CD Search start output to MD unit
"H" pulse output when starting CD search
"H" pulse output when starting CD search
43*
P53/BCLK
MD_ST
Output
CD Search completion and PLAY start output to MD unit.
TNO Update output
TNO Update output
44*
P52/RD
PCNT0
Input
MD abnormality detection input from MD unit
"H": Normal; "H"
"H": Normal; "H"
"L": To cut off power supply to MD
45*
P51/WRH/BHE
—
Output
Port processing. Fixed at "L".
46
P50/WRL/WR
FLASH_CE
Input
Connected to VCC via pull-down resistor
(Setting in case of FLASH writing) Functionally unused.
(Setting in case of FLASH writing) Functionally unused.
47
P47/CS3
S_MUTE
Output
System mute control output
"L" output: Mute ON
"L" output: Mute ON
48
P46/CS2
SURROUND
Output
Surround control. H: ON
49*
P45/CS1
—
Input
Port processing. Fixed at "L".
50
P44/CS0
H.P_SW
Input
Headphone presence detection H: Present
51
P43/A19
A/D_RESET
Input/Output 1-Bit amplifier A/D RESET control
L: RESET; H: Operational
52
P42/A18
–B_CONT
Output
1-Bit amplifier –B control
L: Disconnected; H: Power supply
L: Disconnected; H: Power supply
53
P41/A17
FAN_MOTOR
Output
Fan motor ON/OFF. ON: H
54
P40/A16
SP_RLY
Output
Speaker relay control. Connecting speaker: H
55
P37/A15
MAIN_RLY
Output
Main power relay control. Connection: H
56
P36/A14
OFFSET
Output
OFFSET input. L: Abnormal
57
P35/A13
MECHA_M+
Output
Normal rotation control output of CD-mechanism UP/DOWN control motor
58
P34/A12
MECHA_M–
Output
Inversion control output of CD-mechanism UP/DOWN control motor
59
P33/A11
MECHA_UP.SW
Input
CD-mechanism UPSW detection input. (DISC chucking position)
"L" = Mechanism UP SW ON
"L" = Mechanism UP SW ON
60
P32/A10
MECHA_DWN.SW
Input
CD-mechanism UP SW detection input. (Movable position of chucking release
tray) "L" = Mechanism UP SW ON
tray) "L" = Mechanism UP SW ON
61
P31/A9
TRY_OP.SW
Input
CD Tray OPEN SW detection input.
"L" = TRY OPEN SW ON
"L" = TRY OPEN SW ON
62
VCC
VCC
Input
The microcomputer power ON (3.3 V)
Backup power supply
Backup power supply
63
P30/A8(/-/D7)
TRY_CL.SW
Input
CD Tray CLOSE SW detection input.
"L" = TRY CLOSE SW ON
"L" = TRY CLOSE SW ON
64
VSS
VSS
—
Connected to GND (VSS)
65
P27/A7(/D7/D6)
DISC_PHT
Input
DISC size detection photo-interrupter signal input
"L" = 12 cm; "H" = 8 cm
"L" = 12 cm; "H" = 8 cm
66
P26/A6(/D6/D5)
TRY_PHT
Input
CD Tray position detection photo-interrupter signal input
"H" = slit position detected,
"L" = positions other than slit detected
"H" = slit position detected,
"L" = positions other than slit detected
67
P25/A5(/D5/D4)
CD_PUIN.SW
Input
PICKUP inner SW detection input
"L" = PICKUP inner SW ON
"L" = PICKUP inner SW ON
68*
P24/A4(/D4/D3)
—
Output
Port processing. Fixed at "L".
69*
P23/A3(/D3/D2)
—
Output
Port processing. Fixed at "L".
Pin No.
Function
Port Name
Terminal Name Input/Output
ICD02 RH-iX0566AW00: System Microcomputer (IX0566AW) [Serial N0. 20500065 to 20501035] (2/3)
ICD02 RH-iX0566AWZZ: System Microcomputer (IX0566AW) [From Serial N0. 20601036] (2/3)
ICD02 RH-iX0566AWZZ: System Microcomputer (IX0566AW) [From Serial N0. 20601036] (2/3)
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