Panasonic CQ-MS0570LC Service Manual ▷ View online
5 BLOCK DIAGRAM
5.1. Main / Display Block
5
CQ-MS0570LC
6.1. Main Block
IC601: C2CBKH000099
Pin
No.
Port
I/O
Description
FM
(V)
(V)
AM
(V)
CD
(V)
1
BEEP
O Beep output terminal
0
0
0
2
PW-SCK
O Clock
output
for
power
IC
(BD4904)
0
0
0
3
PW-DATA
O Data
output
for
power
IC
(BD4904)
0
0
0
4
PW-LATCH
O Latch
signal
for
power
IC
(BD4904)
5.1 5.1 5.1
5
PW-STBY
O STBY
output
for
power
IC
(BD4904)
5.1 5.1 5.1
6
PW-STBY2
O STBY2
output
for
power
IC(BD4904)
5.1 5.1 5.1
7
AMP-STBY
O H:Amp on L:Amp off
5.1 5.1 5.1
8
MUTE
O H:Mute on L:Mute off
0
0
0
9
WDT-CLK
O Not used
0
0
0
10 FAN-ON
O H:Cool fan on L:Cool fan off
5.1 5.1 5.1
11 RESET
I
H: Normal L: Reset
5.0 5.0 5.1
12 XT2
O Oscillator (sub) 32.768kHz
1.8 1.8 1.8
13 XT1
I
Oscillator (sub) 32.768kHz
1.6 1.6 1.6
14 GND
-
Ground
0
0
0
15 X2
O Oscillator (main) 12.396875MHz
1.7 1.7 1.8
16 X1
I
Oscillator (main) 12.396875MHz
1.5 1.5 1.5
17 REGOFF
-
Regulator operation indicator
0
0
0
18 REGCPU
-
Regulator
output
w/
stable
capacity and the power for when
the regulator stops.
the regulator stops.
3.7 3.7 3.7
19 VDD0
-
Positive power supply
5.1 5.1 5.1
20 RAMJD
O Connecting to ground
0
0
0
21 NC
-
Not used
-
-
-
22 NC
-
Not used
-
-
-
23 NC
-
Not used
-
-
-
24 NC
-
Not used
-
-
-
25 LCD-
RESET
O H:Normal operation
5.1 5.1 5.1
L:LCD driver reset
26 LCD-CE
O H: on L: off
0
0
0
27 LCD-DO
I
LC75884 key data input
5.3 5.3 5.3
28 LCD-CL
O LC75884 LCD data clock output
0
0
0
29 LCD-DI
O LC75884 LCD data output
0
0
0
30 NC
-
Not used
-
-
-
31 NC
-
Not used
-
-
-
32 NC
-
Not used
-
-
-
33 NC
-
Not used
-
-
-
34 AUX-IN
I
H:AUX connected
0
0.6 0.6
L:AUX opened
35 NC
-
Not used
-
-
-
36 NC
-
Not used
-
-
-
37 NC
-
Not used
-
-
-
38 NC
-
Not used
-
-
-
39 NC
-
Not used
-
-
-
40 GND
-
Ground
0
0
0
41 VDD
-
Positive power supply
5.1 5.1 5.1
42 NC
-
Not used
-
-
-
43 NC
-
Not used
-
-
-
44 NC
-
Not used
-
-
-
45 NC
-
Not used
-
-
-
46 NC
-
Not used
-
-
-
47 NC
-
Not used
-
-
-
48 NC
-
Not used
-
-
-
49 NC
-
Not used
-
-
-
50 RDS-MUTE
O H:RDS mute on
0
0
5.1
L:RDS mute off
51 ILL-SW
O H:ILL on L:ILL off
0
0
0
Pin
No.
Port
I/O
Description
FM
(V)
(V)
AM
(V)
CD
(V)
52 WP
I/O H:E2PROM
write
protection
(input)
0
0
0
L:E2PROM writing (output)
53 NC-
ON/OFF
O H:AMNC off L:AMNC on
5.1
0
0
54 NC
-
Not used
-
-
-
55 RA-SDA
I/O Tuner and input/output for BR24C
(H/L)
5.3 5.3 5.3
56 ST.LAMP
I
H: No stereo input
5.3 5.3 5.3
L: With stereo input
57 RA-SCL
O Tuner and clock signal ouput for
BR24C
5.1 5.1 5.1
58 EVOL SDA
O Installed tuner pack e-vol data
output
0
0
0
59 EVOL CLK
O Installed tuner pack e-vol clock
0
0
0
60 EVOL STB
O Installed tuner pack e-vol strobe
0
0
0
61 SD
I
H: No electric field L: With electric
field
field
5.3 5.3 5.3
62 NC
-
Not used
-
-
-
63 DATA
CONT
O Output for reading CD-R
0
0
0
64 DATA IN
I
Input for reading CD-R
0
0
0
65 RDS-CL
I
RDS demodulator clock input
2.7 2.7 2.7
66 RDS-DATA
I
RDS demodulator clock input
2.5 2.5 2.8
67 NC
-
Not used
-
-
-
68 NC
-
Not used
-
-
-
69 NC
-
Not used
-
-
-
70 NC
-
Not used
-
-
-
71 NC
-
Not used
-
-
-
72 NC
-
Not used
-
-
-
73 TEST
-
Connecting to ground
0
0
0
74 AMNC-IN
I
AM noise cancal decider analog
input
input
0
1.3
0
75 Vcont
I
Electric field strength analog input 0.6 1.0 0.6
76 MP
I
Multi-pass noise input
0
0
0
77 NOISE
I
Noise
damages
to
nearby
connections
1.4
0
1.4
78 NC
-
Not used
-
-
-
79 NC
-
Not used
-
-
-
80 NC
-
Not used
-
-
-
81 NC
-
Not used
-
-
-
82 VDD
I
Analog
voltage
input
for
A/D
converter
5.1 5.1 5.1
83 AVDD
I
Standard
voltage
for
A/D
converter
5.3 5.3 5.3
84 GND
(AVSS)
-
Ground for A/D converter
0
0
0
85 DOUT
I
AVC-LAN data input
0
0
0
86 DIN
O AVC-LAN data output
0
0
0
87 SPD
I
Connecting to GND
0
0
0
88 PWR
I
H:Pwr key off L:Pwr key on
5.1 5.1 5.1
89 CD-EJ
I
H:CD-EJ off L:CD-EJ on
5.1 5.1 5.1
90 SW1
I
Interference settings when text is
reading. Same period signal is
active if L
reading. Same period signal is
active if L
→
H
→
L. Otherwise H:
SW1 off L: SW1 on.
5.3 5.3
0
91 +B-DET
I
H:+B on L:+B off
5.3 5.3 5.3
92 ACC-DET
I
H: Acc on L: Acc off
5.3 5.3 5.1
93 EJ or PWR
I
H: CD-EJ off and pwr key off
5.1 5.1 5.1
L: CD-EJ on or pwr key on
94 CD-SOM
I
CD
(IDC)
deck
serial
communication
5.3 5.3
0
H:data "0" L:data "1"
95 CD-RESET
O H:Normal L:Resetting
5.1 5.1 5.1
6 TERMINALS DESCRIPTION
6
CQ-MS0570LC
Pin
No.
Port
I/O
Description
FM
(V)
(V)
AM
(V)
CD
(V)
96 CD-ON
O H:CD (IDC) deck microcomputer
communication can be done
0
0
5.0
L:CD (IDC) deck microcomputer
communication cannot be done
communication cannot be done
97 CD-SCKM
O CD
(IDC)
deck
serial
communication clock
0
0
5.0
98 CD-SIM
O CD
(IDC)
deck
serial
communication
5.0 5.0 5.0
H:data "1" L:data "0"
99 SW3
I
H:SW3 off L:SW3 on
5.3 5.3
0
100 ILL-DET
I
H:Illumi off L:Illumi on
5.1 5.1 5.1
6.2. Display Block
IC901 : YEAMLC75884W
Pin No.
Port
Descriptions
I/O Vol
(V)
1-2
P3-P4(NC)
-
-
-
3-45
SEG1-SEG43 LCD segment
O
2.7
46-51
NC
-
-
-
52-55
COM1-COM4 LCD common
O
2.7
56-60
KS1-KS5
Key data output
O
5.1
61
NC
-
-
-
62-65
KI1-KI4
Key data input
I
0
66
KI5
Ground
-
0
67
VDD
Power supply +5V
-
5.3
68
VLCD
LCD drive reference
voltage(VDD)
voltage(VDD)
I
5.1
69
VLCD1
LCD drive reference voltage 1
-
3.8
70
VLCD2
LCD drive reference voltage 2
-
1.8
71
VSS
Ground
-
0
72
TEST
Ground
-
0
73
OSC
CR Oscillator
I
3.9
74
RES
LCD reset
-
5.1
75
DO
LCD data
O
5.3
76
CE
LCD chip enable
I
0
77
DL
LCD clock
I
0
78
DI
LCD data
I
0
79-80
P1-P2 (NC)
-
-
-
7
CQ-MS0570LC
7 PACKAGE AND IC BLOCK DIAGRAM
7.1. Main Block
PK101: YEP0PTB566B0
IC142 : YEAMHA12181F
8
CQ-MS0570LC
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