DOWNLOAD Sharp CD-MPX880H Service Manual ↓ Size: 13.51 MB | Pages: 84 in PDF or view online for FREE

Model
CD-MPX880H
Pages
84
Size
13.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
cd-mpx880h.pdf
Date
PREV: Sharp CD-MPX860H (serv.man2) Service Manual

Sharp CD-MPX880H Service Manual ▷ View online

CD-MPX880H
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 Drive
Pre Drive
+
-
+
-
+
-
Reference
voltage
DUFFER AMP
For 1/2 VCC
DUFFER AMP
For VREF
TSD
Band gad
BTL
Mode 
select
Mode 
select
CH4
CH5
CH6
CH3
CH2
CH1
VOLTAGE
CONTROL AMP
Figure 8-2: BLOCK DIAGRAM OF IC
CD-MPX880H
8 – 6
IC601 VHiLC75341/-1: Audio Processor (LC75341)
Pin No.
Terminal Name
Function
1
DI
Serial data and clock input pin for 
control.
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.
3
VSS
Ground pin.
4
LOUT
Bass band filter comprising 
capacitor and resistor connection pin 
and bass/treble output pin.
5
LBASS
Bass band filter comprising capacitor 
and resistor connection pin.
6
LTRE
Treble band filter comprising capaci-
tor and resistor connection pin.
7
LIN
Volume + equalizer 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 + equalizer output pin
19
RTRE
Treble band filter comprising capaci-
tor and resistor connection pin.
20
RBASS
Bass band filter comprising capaci-
tor and resistor connection pin.
21
ROUT
Bass band filter comprising capaci-
tor 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 coun-
termeasure against power ripple.
23
VDD
Supply pin
24
CLK
Serial data and clock input pin for 
control.
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
RT
R
E
LT
R
E
RBASS
ROUT
VREF
VDD
CLK
DI
CE
VSS
CCB
INTERFACE
CD
Tuner
Tape
Video
Figure 8-3: BLOCK DIAGRAM OF IC
CD-MPX880H
8 – 7
IC851 VHIAN80T53/-1: Multi Regulator (AN80T53)
Pin No.
Terminal Name
Function
1
REG4 Output
5.1 V power supply with a minimum peak out current of 1200 mA.
2
REG3 Output
13 V power supply with a minimum peak out current of 1350 mA.
3
VCC
Connected to Power supplies.
4
GND
Connected to the IC substrate.
5
MODE 1
REG1, REG2,REG3 and REG4 outputs are turned ON when this pin is 5 V.
6
REG2 Output
10 V power supply with a minimum peak out current of 800 mA.
7
REG1 Output
8.5 V power supply with a minimum peak out current of 700 mA.
5
2
3
4
1
7
6
Peak Current Protection,
Thermal Protection,
Load Short Protection.
Outputs
-
+
-
+
-
+
-
+
Prc
Drive
Reference
Voltage
MODE 1
REG 3 VCC
GND
13V
REG4
5.1V
REG1
8.5V
REG2
10.0V
Prc
Drive
Prc
Drive
Prc
Drive
Figure 8-4: BLOCK DIAGRAM OF IC
CD-MPX880H
8 – 8
[2] FL Display
FL701 VVKNA12MM54-1
(1G)
D1a
D1a
D1b
2G
3G
4G
5G
6G
7G
9G
10G
12G
11G
8G
1G
GRID ASSIGNMENT
D1c
D2a
D2a
D2b
D2c
D3a
D3a
D3b
D3c
D4a
D4a
D4b
D4c
D5a
D5a
1a
1a
1a
1a
1a
1a
1a
1a
1a
1a
2a
2a
2a
2a
2a
2a
2a
2a
2a
2a
D5b
D5c
col1
col2
Dot1
Dot2
a
b
c
d
f
g
m
e
r
p
n
h j k
(2G~11G)
TOTAL
MEMORY
SLEEP
5
TITLE-3
TITLE-2
TITLE-1
FOLD
PTYI
WMA
ST
REC
TA
TP
DAILY
MHz
MP3
RDS
kHz
P1
1G
D5a
D5b
D5c
D4a
D4b
D4c
D3a
D2a
D2b
D2c
D1a
D1b
D1c
D3b
D3c
(R)
2G
3G
4G
5G
6G
7G
8G
9G
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
2p
2e
2n
2r
2c
Col1
Col2
1a
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
(
)
2p
2e
2n
2r
2c
1a
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
2p
2e
2n
2r
2c
Dot1
Dot2
1a
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
2p
2e
2n
2r
2c
1a
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
2p
2e
2n
2r
2c
1a
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
2p
2e
2n
2r
2c
1a
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
2p
2e
2n
2r
2c
1a
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
2p
2e
2n
2r
2c
1a
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
2p
2e
2n
2r
2c
1a
1j
1k
1h
1f
1m
1d
1g
1p
1e
1n
1r
1c
2a
2b
1b
2j
2k
2h
2f
2m
2d
2g
2p
2e
2n
2r
2c
1a
10G
11G
12G
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
ANODE CONNECTION
4
3
2
1
X-BASS
)
(
(L)
OUTER DIMENSIONS
PIN CONNECTION
PIN NO.
CONNECTION
45
F2
F2
NP NP
P29
P30
P28 P27
P25
P26
P24 P23 P22 P21 P20 P19 P18 P17 P16 P15 P14
P12
P13
P11 P10 P9
44
43
42
41
50
51
49
48
47
46
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
PIN NO.
CONNECTION
20
P3
P2
P1 12G 11G 10G 9G 8G 7G 6G 5G 4G 3G NX NX 2G 1G NP
F1
F1
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P8
P7
P6
P5
P4
25
24
23
22
21
PATTERN AREA
1
51
MP3 WMA
TOTAL
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