Sharp XL-HP434 (serv.man9) Service Manual ▷ View online
XL-HP434H
8 – 5
IC2 VHILA6261//-1: Focus/Tracking/Spin/Sled Driver (LA6261)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
11k
22k
1k
1k
1k
1k
11k
11k
11k
22k
22k
22k
-
+
-
+
Pre
D
rive
Pre
D
rive
+
-
+
-
+
-
Refcronce
voltage
DUFFER AMP
For 1/2 VCC
DUFFER AMP
For VREF
TSD
Bandgad
BTL
Mode
select
Mode
select
CH4
CH5
CH6
CH3
CH2
CH1
VOLTAGE
CONTROL AMP
Figure 2 BLOCK DIAGRAM OF IC
XL-HP434H
8 – 6
IC601 VHiLC75341/-1: Audio Processor (LC75341)
IC601 VHiLC75341/-1: Audio Processor (LC75341)
Pin No.
Terminal Name
Function
1
DI
Serial data and clock input pin for con-
trol.
trol.
2
CE
Chip enable pin.
Data written into an internal latch in a
timing of "H" to "L".
Each analog switch is activated.
Data transfer enabled at "H" level.
Data written into an internal latch in a
timing of "H" to "L".
Each analog switch is activated.
Data transfer enabled at "H" level.
3
VSS
Ground pin.
4
LOUT
Bass band filter comprising
capacitor and resistor connection pin
and bass/treble output pin.
capacitor and resistor connection pin
and bass/treble output pin.
5
LBASS
Bass band filter comprising capacitor
and resistor connection pin.
and resistor connection pin.
6
LTRE
Treble band filter comprising capacitor
and resistor connection pin.
and resistor connection pin.
7
LIN
Volume + equaliser output pin.
8
LSEL0
Input selector output pin.
9-12
L4-1
Input signal pin.
Pin No.
Terminal Name
Function
13-16
R1-4
Input signal pin.
17
RSEL0
Input selector output pin.
18
RIN
Volume + equaliser output pin
19
RTRE
Treble band filter comprising capacitor
and resistor connection pin.
and resistor connection pin.
20
RBASS
Bass band filter comprising capacitor
and resistor connection pin.
and resistor connection pin.
21
ROUT
Bass band filter comprising capacitor
and resistor connection pin and bass/
treble output pin.
and resistor connection pin and bass/
treble output pin.
22
VREF
0.5x VDD voltage generation block
for analog ground. Capacitor of sev-
eral 10µF to be connected between
VREF and AWSS (VSS) as a counter-
measure against power ripple.
for analog ground. Capacitor of sev-
eral 10µF to be connected between
VREF and AWSS (VSS) as a counter-
measure against power ripple.
23
VDD
Supply pin
24
CLK
Serial data and clock input pin for con-
trol.
trol.
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
17
LVref
RVref
CONTROL
CIRCUIT
CONTROL
CIRCUIT
CONTROL
CIRCUIT
LOUT
LBASS
LIN
LSEL0
L4
L3
L2
L1
R1
R2
R3
R4
RSEL0
RIN
RTRE
LTRE
RBASS
ROUT
VREF
VDD
CLK
DI
CE
VSS
CCB
INTERFACE
AUX
DECK
TUNER
CD
Figure 3 BLOCK DIAGRAM OF IC
XL-HP434H
8 – 7
IC701 RH-iXA003AWZZ: System Microcomputer (IXA003AW) (Serial No.31000001~402XXXXX) (1/2)
IC701 RH-iXA021AWZZ: System Microcomputer (IXA021AW) (Serial No.402XXXXX~) (1/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Port Name
Terminal Name
Input/Output
Function
1
VDD
VDD
Input
(+) Power supply 5V.
2
P37
-20dBATT
Output
-20dB Attenuator.
3
P36
T BIAS
Output
Tape record bias control.
4
P35
T_REC/PLAY
Output
Tape REC/PLAY control.
5*
P34
NO USE
Output
Open.
6
P33
CD RESOUT
Output
CD reset.
7
P32
CD_WRQ
Input
CD WRQ input.
8
P31
SUB CE
Output
MP3 Sub-micom CE.
9*
P30
ILLU LED
Output
FL edge light control.
10
RESET
RESET
Input
Reset Input.
11
X2
XOUT
Output
Main clock output 4.19MHz.
12
X1
XIN
Input
Main clock input 4.19MHz.
13
IC(VPP)
VPP
—
GND
14*
XT2
NO USE
—
Open
15
P04
CD_DRF
Input
CD DRF detect.
16
VDD
VDD
Input
(+) Power supply 5V.
17
P27
CLK
Output
Clock output.
18
P26
DI
Output
Data output.
19
P25
DO
Input
Data input.
20
P24
CE
Output
CE output.
21
P23
CD CE
Output
CD chip enable.
22
P22
CD CLK
Output
CD Clock.
23
P21
CD DI
Output
CD Data output.
24
P20
CD DO
Input
CD Data input.
25
AVSS
AVSS
—
Analog ground.
26
ANI7
T RUN PULS
Input
Tape Run Pulse detect.
27
ANI6
TUN SM
Input
Tuner signal meter.
28
ANI5
T_FP SW
Input
Tape Fool Proof A & B SW.
29
ANI4
PROTECT
Input
Power abnormal detect.
30
ANI3
VOL JOG
Input
Volume jog input.
31-33
ANI2-ANI0
KEY 2-KEY 0
Input
Key input.
34
AVDD
AVDD
Input
Analog power supply 5V.
35
AVREF
AVREF
Input
Analog reference voltage 5V.
36
INTP3
P_IN
Input
Power failure detect.
37
P02
PHOTO
Input
5-Changer Photo SW.
38
INTP1
SP DET
Input
Speaker abnormal detect.
39
INTP0
REMOCON
Input
Remocon input.
40
VSS
VSS
—
Ground voltage.
41
P74
S MUTE
Output
System mute control.
42
P73
TIMER LED
Output
Timer LED.
43
P72
T_SOL
Output
Tape solenoid control.
44
P71
T_MOTOR
Output
Tape motor control.
45
P70
VOL LED
Output
Volume LED.
46
VDD
VDD
Input
(+) Power supply 5V.
47
P127
SP RLY
Output
Speaker relay control.
48
P126
AC RLY
Output
AC relay control.
49
P125
RDS RST
Output
RDS reset.
50
P124
RDS READY
Input
RDS ready.
51
P123
RDS RDDA
Input
RDS data.
52
P122
RDS RDCL
Output
RDS clock.
53
P121
TRAY SW2
Input
5-Changer Tray SW2.
XL-HP434H
8 – 8
IC701 RH-iXA003AWZZ: System Microcomputer (IXA003AW) (Serial No.31000001~402XXXXX) (2/2)
IC701 RH-iXA021AWZZ: System Microcomputer (IXA021AW) (Serial No.402XXXXX~) (2/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Port Name
Terminal Name
Input/Output
Function
54
P120
TRAY SW1
Input
5-Changer Tray SW1.
55
P117
DISC SW
Input
5-Changer Disc SW.
56
P116
CLAMP SW
Input
5-Changer Clamp SW.
57
P115
DIST
Input
Destination input.
58
FIP41
S30
Output
FL segment driver.
59
FIP40
S29
Output
FL segment driver.
60
FIP39
S28
Output
FL segment driver.
61
FIP38
S27
Output
FL segment driver.
62
FIP37
S26
Output
FL segment driver.
63
FIP36
S25
Output
FL segment driver.
64
FIP35
S24
Output
FL segment driver.
65
FIP34
S23
Output
FL segment driver.
66
FIP33
S22
Output
FL segment driver.
67
FIP32
S21
Output
FL segment driver.
68
FIP31
S20
Output
FL segment driver.
69
P101/FIP30
S19/DIST0
Input
FL segment driver/Destination input.
70
P100/FIP29
S18/DIST1
Output
FL segment driver/Destination input.
71
P97/FIP28
S17/DIST2
Output
FL segment driver/Destination input.
72
P96/FIP27
S16/DIST3
Output
FL segment driver/Destination input.
73-78
FIP26-FIP21
S15-S10
Output
FL segment driver.
79
VLOAD
VLOAD
Input
VLOAD -35V
80-88
FIP20-FIP12
S9-S1
Output
FL segment driver.
89-100
FIP11-FIP0
G12-G1
Output
FL grid driver.
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