Sharp XL-560E (serv.man2) Service Manual ▷ View online
– 41 –
XL-560H/E,570H/E
• Sled motor operation failure.
Yes
Yes
Is following sled feed signal output the pin 53 (FMO) of IC802
when FF/REW key is pressed after the CD TEST MODE
"STEP 1" is seted?
when FF/REW key is pressed after the CD TEST MODE
"STEP 1" is seted?
Is sled feed signal output the pins 10 and 11 of IC804?
Is sled feed voltage applied between both terminals of sled
motor?
motor?
No
Check the peripheral parts of IC804. If OK, IC804 is faulty.
No
C801 is faulty.
Check the BI803/CNS803.
No
Yes
Check the CD mechanism (periphery of sled motor).
If the sled motor does not run when DC2.0V is applied to
both terminals of sled motor, the sled motor is faulty.
If the sled motor does not run when DC2.0V is applied to
both terminals of sled motor, the sled motor is faulty.
• Sled servo failure.
Yes
Is following sled signal output the pin 53 (FMO) of IC802
during playback?
during playback?
Normal.
No
IC802 is faulty.
• Track search failure
Does the sled motor run in FF/REW state when the SERVO
TEST MODE "STEP1" is set?
TEST MODE "STEP1" is set?
Is the following wave output to the pin 49 (TRO) of IC802
during track search in normal playback?
during track search in normal playback?
Is the following wave output to the pins 12 (TEO) of IC801
during track search in normal playback?
during track search in normal playback?
Yes
Yes
No
Check as stated in item "SLED MOTOR OPERATION FAILURE".
No
IC802 failure.
No
Check the PWB pattern between pin 49 (TRO) of IC802 and pin
18 of IC804.
Check the PWB pattern between pins 20 and 21 of IC804 and
Optical pickup.
If OK. Optical pickup failure.
18 of IC804.
Check the PWB pattern between pins 20 and 21 of IC804 and
Optical pickup.
If OK. Optical pickup failure.
Yes
Is the above wave output to the pins 46 (TEI) and 47 (TEZ) of
IC802 during track serch in normal playback?
IC802 during track serch in normal playback?
No
Check the PWB pattern between pin 12 (TEO) of IC801 and pins 46
and 47 of IC802. If OK. IC801 failure.
and 47 of IC802. If OK. IC801 failure.
Normal.
Yes
Yes
Is following sled feed signal output the pins 12 and 13 of
IC804 when FF/REW key is pressed after the CD TEST
MODE "STEP 1" is seted?
IC804 when FF/REW key is pressed after the CD TEST
MODE "STEP 1" is seted?
Check the PWB pattern between pin 53 of IC802 and pins 12 and
13 of IC804.
13 of IC804.
No
Is the following wave output to the pin 41 (RFZI) and 42
(RFRP) of IC802 during track search in normal playback?
(RFRP) of IC802 during track search in normal playback?
No
Check the PWB pattern between pin 17 (RFO) and 18 (RFIS), 19
(RFRP) of IC801 and pins 41 and 42 of IC802. If OK. IC801 failure.
(RFRP) of IC801 and pins 41 and 42 of IC802. If OK. IC801 failure.
Yes
TRO
TEO
TEI
TEZI
FF
REW
FMO
FMO
RFRP
RFZI
FF
REW
SL
±
XL-560H/E,570H/E
– 42 –
FUNCTION TABLE OF IC
IC401 VHiM62495FP-1: Audio Processor (M62495FP)
Figure 42 BLOCK DIAGRAM OF IC
1
IN A1
It is the input terminal of the channel 1
2
IN B1
It is the input terminal of the channel 1
3
IN C1
It is the input terminal of the channel 1
4
IN D1
It is the input terminal of the channel 1
5*
IN E1
It is the input terminal of the channel 1
Independent control (from chA to D) is possible. Simultaneous ON use is enabled.
When only chE is set to on, set Selector ALL OFF mode
Independent control (from chA to D) is possible. Simultaneous ON use is enabled.
When only chE is set to on, set Selector ALL OFF mode
6
SELO1
Selector COM output terminal of channel 1
7
VOLI1
Volume input terminal of channel 1
8
TONEH1
Channel 1 treble frequency adjusting terminal
9
TONEL1
Channel 1 bass frequency, gain adjusting terminal
10
OUT1
Channel 1 output terminal
11
GND
GND terminal
12
VDD
Positive power terminal
13
CONT
Microcomputer data input terminal
14
VSS
Negative power terminal
15
OUT1
Channel 2 output terminal
16
TONEL2
Channel 2 bass frequency, gain adjusting terminal
17
TONEH2
Channel 2 treble frequency adjusting terminal
18
VOLI2
Volume input terminal of channel 2
19
SELO2
Selector COM output terminal of channel 2
20*
IN E2
It is the input terminal of the channel 2.
Independent control (from chA to D) is possible. Simultaneous ON use is enabled.
When only chE is set to on, set Selector ALL OFF mode.
Independent control (from chA to D) is possible. Simultaneous ON use is enabled.
When only chE is set to on, set Selector ALL OFF mode.
21
IN D2
Input terminal of channel 2
22
IN C2
Input terminal of channel 2
23
IN B2
Input terminal of channel 2
24
IN A2
Input terminal of channel 2
Pin No.
Port Name
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
IC401 VHiM62495FP-1: Audio Processor (M62495FP)
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
Input SW
Monophonic
46k
46k
21.6k
21.6k
2.4k
2.4k
Treble
boost
Bass
boost
Control Logic
30k
5k
5k
30k
Volume
14dB
14dB
MUTE
SW
INA2
INB2
INC2
IND2
INE2
SELOUT2
VOLIN2
TONEH2
TONEL2
OUT 2
VSS
CONT
INA1
INB1
INC1
IND1
INE1
SELOUT1
VOLIN1
TONEH1
TONEL1
OUT 1
GND
VDD
– 43 –
XL-560H/E,570H/E
1-4
COM3-COM0
Output
LCD common output terminal
5-7
VLC3-VLC1
—
LCD power terminal
8
VDD
—
Microcomputer power +5V
9
OSC2
Output
Main clock oscillator connection terminal f=8MHz
10
OSC1
Input
An oscillation child connection terminal for the main clock f=8MHz
11
VSS
—
Microcomputer power 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-
—
AD converter power GND
16
KEY0 AN0/PA0
Input
Destination detection input Acts as an A/D input port.
When reset,it detects the destination setting according to DC voltage.
When reset,it detects the destination setting according to DC voltage.
17
KEY1 AN0/PA1
Input
Operation button input, max. 8 buttons
18
KEY2 AN0/PA2
Input
Operation button input, max. 8 buttons
19
KEY3 AN0/PA3
Input
Model detection input H: XL-560/570 L: XL-540
20
KEY4 AN0/PA4
Input
Tuner signal meter (S meter) voltage input terminal
21
KEY5 AN0/PA5
Input
Cassette tape safety lug detection input
"H" = Record inhibited "L" = Record enabled
"H" = Record inhibited "L" = Record enabled
22
KEY6 AN0/PA6
Input
Tape running/END detection input
If pulse input is detected, it is judged that the tape is running.
If pulse input is detected, it is judged that the tape is running.
23
KEY7 AN7/PA7
Input
Cassette mechanism operation state detection input
"H" = Mechanism stopped "L" = Mechanism is operating
"H" = Mechanism stopped "L" = Mechanism is operating
24
VREF+
—
A/D converter power +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
Output of clock synchronizing with TUNER PLL IC
28
SBO1/P03
Output
Terminal 1 to output data to VOL IC
29*
SBI1/P04
—
30
SBT1/P05
Output
POWER IC STANDBY terminal control
31
DK/BZER P06
Output
Enable output of TUNER PLL IC "L" = OFF "H" = ON
32
RST/P27
Input
Reset signal input
33
RMOUT
Input
CLOCK/TIMER/SLEEP button input
34
P11
Output
Power mute output "H" = MUTE OFF "L" = MUTE ON
35
TM2IO P12
Output
Main TRANS RELAY CONTROL "H" = ON "L" = OFF
36
TM3IO P13
Output
CD servo power circuit control output "H" = CD power ON "L" = CD power OFF
37
TM4IO P14
Input
Power button input detection
38
IRQ0 P20
Input
Power failure detection input. When "L" is set, the mode is changed to HALT mode.
39
SENS IRQ1/P21
Input
Remote control signal input
40
IRQ2 P22
Input
Input of clock synchronizing with RDS IC
41
IRQ3 P23
Input
Jog dial UP pulse input
42
IRQ4
Input
Jog dial DOWN pulse input
43
P30
Input
RDS signal reception state detection
"H" = RDS not received "L" = RDS is being received
"H" = RDS not received "L" = RDS is being received
44
P31
Input
Data input from RDS IC
45
P32
Output
TC9462F reset signal output
46
LED0 WE/P50
Output
TC9462F chip enable terminal "L" = Bus terminal active
47
LED1 RE/P51
Output
TC9462F data sync clock output
48
LED2 CS/P52
Output
Tuner mute output "H" = Mute ON "L" = Mute OFF
49
LDE3/S51 A16/P53
Output
LCD backlight control signal output 1 Added "H" = Backlight ON "L" = Backlight OFF
50*
LED4/S50 A17/P54
—
51
SEG49 P60/A0
Output
Cassette mechanism solenoid drive control output
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.
IC701 RH-iX0014SJZZ: System Microcomputer (IX0014SJ) (1/2) (Serial No. 904xxxxx)
IC701 RH-iX0021SJZZ: System Microcomputer (IX0021SJ) (1/2) (Serial No. 905xxxxx~)
XL-560H/E,570H/E
– 44 –
Function
Terminal Name Input/Output
52
SEG48 P61/A1
Output
Cassette mechanism motor drive control 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" = Start stop
56
SEG44 P65/A5
Input
CD lid state 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
Output
CD servo control IC ON/OFF output terminal "H" = Servo ON "L" = Servo standby 2 Changed
59-62
SEG41 P70/A8-
Input/Output
TC9462F control data input/output terminal
SEG38 P73/A11
63
SEG37 P74/A12
Output
SURROUND control output
64*
SEG36 P75/A13
—
65
SEG35 P76/A14
Input
Radio stereo broadcast reception detection input "L" = During stereo broadcast reception
66
SEG34 P77/A15
Input
Broadcast reception state detection input "L" = During broadcast wave reception
67
SEG33 P87/D7
—
LCD segment output.
68
SEG32 P86/D6
—
LCD segment output.
69-74
SEG31 P85/D5-
—
LCD segment output
SEG26 P80/D0
Note:
Since RH-IX0015SJZZ is 24-pin LCD, SEG0 of LCD is connected to SEG7 of microcomputer
output terminal, with subsequent successive connection (up to SEG26).
Since RH-IX0015SJZZ is 24-pin LCD, SEG0 of LCD is connected to SEG7 of microcomputer
output terminal, with subsequent successive connection (up to SEG26).
75-100
SEG25-SEG0
—
LCD segment output
Note:
Since RH-IX0015SJZZ is 24-pin LCD, SEG0 of LCD is connected to SEG7 of microcomputer
output terminal, with subsequent successive connection (up to SEG26).
Note:
Since RH-IX0015SJZZ is 24-pin LCD, SEG0 of LCD is connected to SEG7 of microcomputer
output terminal, with subsequent successive 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 44 BLOCK DIAGRAM OF IC
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
O
O
O
O
O
O
O
O
I
I
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
O
I
O
O
O
O
O
I
I
O
O
O
I
I
I
I
I
I
I
I
O
O
O
O
O
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
I
I
I
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
I
I
I
O
O
O
O
O
O
O
O
O
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
COM3
COM2
COM1
COM0
COM2
COM1
COM0
VLC3
VLC2
VLC1
VLC2
VLC1
VDD
OSC2
OSC1
OSC1
VSS
XI
XO
MMOD
VREF-
AREA
KEY1
KEY2
KEY2
MODEL
VSM
F.P
RUN PLS
CAM-SW
VREF+
DI
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SD
STEREO
SURR
BUS3
BUS2
BUS1
BUS0
BUS2
BUS1
BUS0
CD_STB
PU-IN
LID-SW
BIAS
B-CAN
REC
MOT
SOL
DO
CL
VDO1
VDO2
P-STB
CE
RESET
CLOCK
P-MUTE
P-CONT
CD+B
POWER
SYS STOP
REMOCON
CLE
JOG UP
JOG DOWN
ID
DATA
CD RES
CCE
BUCK
R-MUTE
B-LIGHT
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
IC701 RH-iX0014SJZZ: System Microcomputer (IX0014SJ) (2/2) (Serial No. 904xxxxx)
IC701 RH-iX0021SJZZ: System Microcomputer (IX0021SJ) (2/2) (Serial No. 905xxxxx~)
IC701 RH-iX0014SJZZ: System Microcomputer (IX0014SJ) (Serial No. 904xxxxx)
IC701 RH-iX0021SJZZ: System Microcomputer (IX0021SJ) (Serial No. 905xxxxx~)
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