Sharp XL-505E (serv.man5) Service Manual ▷ View online
– 33 –
XL-505H,505E,507E/CP-505,505E,507
• Sled motor operation failure.
Yes
Yes
Is slide feed signal output between the pin 26 (FUSO), 27
(FMSM) of IC801 and the pin 15 of IC804 when FF/REW is
pressed after the servo test mode "STEP1" is SET?
(FMSM) of IC801 and the pin 15 of IC804 when FF/REW is
pressed after the servo test mode "STEP1" is SET?
Is slide feed signal output between the pins 12 and 13 of IC804?
Is slide feed voltage applied between both terminals of sled
motor?
motor?
No
Check the peripheral parts of IC804. If OK, IC804 is faulty.
No
Check the pattern between pin 27 of IC801 and pin 36 of IC802.
Check the connection of peripheral parts of IC801.
If OK, IC801 is faulty.
Check the connection of peripheral parts of IC801.
If OK, IC801 is faulty.
Check CNW803.
No
Yes
Check the CD mechanism (periphery of Slide mechanism).
If the sled motor does not run when DC2.0V is applied at both
ends, the sled motor is faulty.
If the sled motor does not run when DC2.0V is applied at both
ends, the sled motor is faulty.
• Slide servo operation failure.
Yes
Yes
Is the following waveform input to the pin 28 (FMSD) of IC801
during playback?
during playback?
The slide servo system is not faulty. Redo check.
No
IC801 is faulty.
No
Is the following waveform output at the pin 26 (FMSO) of IC801?
Check the periphery of pin 28 (FMSP) and pin 30 (TS20) of IC801.
Rotation cycle of spin moter
Voltage differs according to
disc eccentricity.
disc eccentricity.
XL-505H,505E,507E/CP-505,505E,507
– 34 –
IC701 RH-iX0189AWZZ:System Microcomputer(iX0189AW) (1/2)
1-4
COM3-COM0
Output
LCD COMMON output terminal
5-7
VLC3-VLC1
—
LCD power terminal
8
VDD
—
Microcomputer power supply +5V.
9
OSC2
Output
Main clock oscillator connection terminal f=8MHz
10
OSC1
Input
Main clock oscillator connection terminal f=8MHz
11
VSS
—
Microcomputer power supply GND
12
XI
Input
Sub-clock oscillator connection terminal f=32.768kHz
13
XO
Output
Sub-clock oscillator connection terminal f=32.768kHz
14
MMOD
Input
Memory mode selection terminal
15
VREF-
—
Power supply for AD converter GND
16
KEY0 AN0/PA0
Input
Destination detection input this terminal serves as an A/D input port.
When resetting is performed, the destination setting is detected based on the DC voltage.
When resetting is performed, the destination setting is detected based on the DC voltage.
17
KEY1 AN0/PA1
Input
Operation key input, max. 8 keys
18
KEY2 AN0/PA2
Input
Operation key input, max. 8 keys
19
KEY3 AN0/PA3
Input
POWER key input detection
20*
KEY4 AN0/PA4
Input
Tuner signal meter (S meter) voltage input terminal
IX0189AW: Unused terminal (regular input port)
IX0189AW: Unused terminal (regular input port)
21
KEY5 AN0/PA5
Input
Cassette tape erroneous erasing preventing lug detection input
H: Record inhibited
H: Record inhibited
L: Record enable
22
KEY6 AN0/PA6
Input
Tape run/END detection input If pulse input is detected, it is judged that the tape is running.
23
KEY7 AN7/PA7
Input
Cassette mechanism operation status detection input
H: Mechanism stop
H: Mechanism stop
L: Mechanism in operation
24
VREF+
—
A/D converter power supply +5V
25
TXD SBO0/P00
Output
Terminal to output data to TUNER PLL IC
26
RXD SBI0/P01
Input
Data input from TUNER PLL IC
27
SBT0/P02
Output
TUNER PLL IC sync clock output
28
SBO1/P03
Output
Terminal to output data to VOL IC
29
SBI1/P04
Output
VOL IC chip enable output
"L"=OFF
"H"=ON
30
SBT1/P05
Output
VOL IC sync clock output
31
DK/BZER P06
Output
TUNER PLL IC enable output
"L"=OFF
"H"=ON
32
RST/P27
Input
RESET signal input
33*
RMOUT P10
—
Unused terminal
34
P11
Output
Power mute output
"H"=MUTE OFF
"L"=MUTE ON
35
TM2IO P12
Output
Power amplifier operation control output
H: Amplifier operation ON
H: Amplifier operation ON
L: Amplifier operation OFF
36
TM3IO P13
Output
CD servo power circuit control output
H: CD power ON
L: CD power OFF
37
TM4IO P14
Input
Function setting input
Reset mode: H: 4-step selection
L: 3-step selection
38
IRQ0 P20
Input
Power failure detection input L: Change to HALT mode
39
SENS IRQ1/P21
Input
Remote controller signal input
40*
IRQ2 P22
Input
RDS IC sync clock input
41
IRQ3 P23
Input
Radio stereo broadcast reception detection input
L: Stereo broadcast reception
42
IRQ4 P24
Input
Broadcast reception status detection input
L: Broadcast wave reception
43*
P30
Input
RDS signal reception status detection
H: RDS not received
L: RDS received
44*
P31
Input
Data input from RDS IC
45
P32
Output
LC78623E RESET signal output
46
LED0 WE/P50
Output
TC9284F chip enable terminal
L: BUS terminal active
47
LED1 RE/P51
Output
TC9284F data sync clock output
48
LED2 CS/P52
Output
TUNER mute output
"H"=MUTE ON
"L"=MUTE OFF
49*
LED3/S51 A16/P53
Output
IND LED control output (when SRS2 is on)
H: LED goes out
L: LED lights
50*
LED4/S50 A17/P54
Output
IND LED control output (when SRS1 is on)
H: LED goes out
L: LED lights
51
SEG49 P60/A0
Output
Cassette mechanism solenoid drive control output
52
SEG48 P61/A1
Output
Cassette mechanism motor drive control output
FUNCTION TABLE OF IC
Pin No.
Function
Terminal Name
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
– 35 –
XL-505H,505E,507E/CP-505,505E,507
Function
Terminal Name Input/Output
53
SEG47 P62/A2
Output
Tape circuit record/playback selection output
H:Record Mode
L:Playback Mode
54
SEG46 P63/A3
Output
Record bias oscillation frequency selection control output
55
SEG45 P64/A4
Output
Record bias oscillation circuit control output
H: Bias oscillation
L: Oscillation stop
56
SEG44 P65/A5
Input
CD lid status detection input
L: Lid closed
H: Lid opened
57
SEG43 P66/A6
Input
CD pickup position detection SW input
L: Innermost periphery
58
SEG42 P67/A7
In/Output
CD servo control IC ON/OFF output terminal
L: Servo On
H: Servo Stand-by
59-62
SEG41-38
In/Output
TC9284F control data input/output terminal
P70-73/A8-11
63*,64*
SEG37,36
Output
SRS control output
P74,75/A12,13
65*,66*
SEG35,34
—
Unused terminal
P76,77/A14,15
67*,68*
SEG33,32
—
Unused terminal
P87,86/D7,6
69-74
SEG1-26
—
LCD SEGMENT output
(69*-73*)
P85-80/D5-0
Note: Since RH-IX0189AWZZ is a 24-pin LCD, SEG0 of LCD is connected to SEG7 of
microcomputer output terminal (sequential connection up to SEG26).
microcomputer output terminal (sequential connection up to SEG26).
75-100
SEG25-0
—
LCD SEGMENT output
(94*-100*)
Note: Since RH-IX0189AWZZ is a 24-pin LCD, SEG0 of LCD is connected to SEG7 of
microcomputer output terminal (sequential connection up to SEG26).
microcomputer output terminal (sequential connection up to SEG26).
Pin No.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Figure 35 BLOCK DIAGRAM OF IC
IC701 RH-iX0189AWZZ:System Microcomputer(iX0189AW) (2/2)
75
S
SEG25
74
S
SEG26
73
S
SEG27
72
S
SEG28
RH-IX0189AWZZ
71
S
SEG29
70
S
SEG30
69
S
SEG31
SEG32
SEG34
SEG34
SEG33
68
S
67
S
S
S
66
65
64
O
SRS1
63
O
SRS2
62
I/O
BUS3
61
I/O
BUS2
60
I/O
BUS1
59
I/O
BUS0
58
O
CD_STB
57
I
PU-IN
56
I
LID-SW
55
O
BIAS
54
O
B-CAN
53
O
REC
52
O
MOT
51
O
SOL
1
O
COM3
2
O
COM2
3
O
COM1
4
O
—
—
—
—
—
COM0
5
VLC3
6
VLC2
7
VLC1
VDD
OSC2
OSC1
VSS
8
9
O
I
10
11
12
I
XI
13
O
XO
14
I
MMOD
15
VREF-
16
I
AREA
17
I
KEY1
18
I
KEY2
19
I
POWER
20
I
VSM
21
I
F.P
22
I
RUN PLS
23
I
CAM-SW
24
VREF+
25
O
DI
100
S
SEG0
99
S
SEG1
98
S
SEG2
97
S
SEG3
96
S
SEG4
95
S
SEG5
94
S
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
93
S
92
S
S
S
91
90
89
S
88
S
87
S
86
S
85
S
84
S
83
S
82
S
81
S
80
S
79
S
78
S
77
S
76
S
26
I
DO
27
O
CL
28
O
VDI
29
O
VDE
30
O
VCL
31
O
CE
32
I
RESET
RMOUT
P-MUTE
P-CONT
CD+B
FUNC
SYS STOP
RENOCON
CLE
STEREO
SD
ID
DATA
CD RES
CCE
BUCK
R-MUTE
LED2
LED1
33
34
O
O
O
35
36
37
I
38
I
39
I
40
I
41
I
42
I
43
I
44
I
45
O
46
O
47
O
48
O
49
O
50
O
—
XL-505H,505E,507E/CP-505,505E,507
– 36 –
DMFK
H
Motor acceleration
DMSV
PWM
CLV servo ON
DMBK
L
Motor deceleration
DMOFF
VREF
CLV servo OFF
IC802 VHiTC9284BF-1:Servo/Signal Control (TC9284BF) (1/2)
1
GNDA
—
Analog grand terminal fo DA vonverter (R channel)
2
RO
Output
R channel data forward output terminal.
3*
RO
Output
R channel data reverse output terminal.
4
VDA
—
Analog power supply terminal for DA converter.
5*
LO
Output
L channel data reverse output terminal.
6
LO
Output
L channel data forward output terminal.
7
GNDA
—
Analog grand terminal for DA converter (L channel)
8*-10*
TEST3-TEST5
Input
Test terminal. Normally, keep at "H" level or open.
11*
SBOK
Output
Subcode Q data CRC check adjusting result output terminal.
The adjusting result is OK at "H" level.
The adjusting result is OK at "H" level.
12
VDD
—
Digital supply voltage terminal. (+5V)
13
GND
—
Digital ground terminal.
14-17
BUS0-BUS3
In/Output
Command and data sending/receiving input/output terminals.
18
CCE
Input
Command and data sending/receiving chip enable signal input terminal.
The bus line becomes active at "L" level.
The bus line becomes active at "L" level.
19
BUCK
Input
Command and data sending/receiving clock input terminal.
20*
PFCK
Output
Regeneration system frame periodic signal output terminal. 7.35 kHz
21
RST
Input
Reset input terminal. The internal system is reset at "L" level.
22*
SUBSYC
Output
Subcode sync signal output terminals.
23*
SUBD
Output
Subcode P~W output terminals.
24*
CLCK
Input
Subcode P~W data readout clock input terminal.
25
VDD
—
Digital supply voltage terminal.
26
GND
—
Digital ground terminal.
27*
DFCT
Output
Defect detection signal output terminal. VREF when defect is detected. Normally, HiZ.
28,29
TEL2,1
Output
Tracking gain adjusting analog switch output terminals VREF or Hiz.
30
TGUL
Output
Tracking servo loop low frequency phase compensator change-over analog switch output
terminal. HiZ (gain up) when detecting shock. Normally, VREF.
terminal. HiZ (gain up) when detecting shock. Normally, VREF.
31*,32
TGUH2,1
Output
Tracking servo loop middle/high frequecy phase compensator change-over analog switch
output terminals. HiZ (gain up) when detecting shock. Normally, VREF. TGUH1 is used at
normal regeneration and TGUH2 is used at double speed regeneration.
output terminals. HiZ (gain up) when detecting shock. Normally, VREF. TGUH1 is used at
normal regeneration and TGUH2 is used at double speed regeneration.
33
TKIC
Output
Tracking actuator kick signal output terminal. Kicks in the outer circumferential direction ar "H"
level and in the inner circumferential direction at "L" level.
level and in the inner circumferential direction at "L" level.
34
FMON
Output
Feed servo ON/OFF analog switch output terminals.
Servo on at "Hiz".
Servo on at "Hiz".
Servo off at "VREF".
35*
TEST1
Input
Test terminal. Normally, keep at "H" level or open.
36
FMFB
Output
Feed motor FWD/BWD feeding control signal output terminal. Feed in the outer circumferential
direction at "H" level and in the inner circumferential direction at "L" level.
direction at "H" level and in the inner circumferential direction at "L" level.
37*
TEST
Input
Test terminal. Normally, keep at "H" level or open.
38
DMON
Output
Disc motor driving circuit gain change-over analog switch output terminal.
39
DMFC
Output
Disc motor CLV servo AFC signal output terminal.
40
DMPC
Output
Disc motor CLV servo APC signal output terminal.
41
2VREF
Input
Double times reference voltage input terminal. (VREF x2)
42
SEL
Output
Servo mode indicating signal output terminal.
Pin No.
Port Name
Function
Input/Output
COMMAND
DMFC OUTPUT
OPERATION
SEL
LD ON/OFF
L
OFF
OFF
LD OFF
HiZ
ON
OFF
Focus Search
H
ON
ON
Normal play, etc.
Focus Servo ON : FOK
Focus Servo ON : FOK
FOCUS SERVO
OPERATION
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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