Panasonic CQ-MS0370K Service Manual ▷ View online
7 BLOCK DIAGRAM
7.1. Main / Display Block
5
CQ-MS0370K
7.2. CD Servo Block
6
CQ-MS0370K
8.1. Main Block
IC601 : C2CBHF000054
Pin
No.
Port
Description
I/O
(V)
1
MUTE
Audio mute
O
0
2
ILL-ON
Illuni. power control
O
5
3
ACC-ON
ACC power control
O
5
4
AMP-ON
AMP power control
O
5
5
CD.P.ON
CD power control
O
5
6
CD-RESET
CD reset
O
5
7
CD-ON
CD ON signal
O
5
8
CD-SCKM
Data shift clock
O
5
9
CD-SOM
Serial data input
I
3.5
10
CD-SIM
Serial data output
O
3.6
11
RESET
System reset
I
4.7
12
XT2
Crystal oscillator
I
3.1
13
XT1
Crystal oscillator
O
2.8
14
VSS
Ground
-
0
15
X2
Crystal oscillator
I
3.2
16
X1
Crystal oscillator
O
3
17
REGOFF
(Connecting to VDD)
-
5
18
REGC
(Connecting to VDD)
-
5
19
VDD
+5V power supply
-
5
20
FCONT2
Frequency control
O
5
21
FCONT1
Frequency control
O
0
22
(NC)
No connection
-
-
23
(NC)
No connection
-
-
24
(NC)
No connection
-
-
25
(NC)
No connection
-
-
26
(NC)
No connection
-
-
27
(NC)
No connection
-
-
28
(NC)
No connection
-
-
29
(NC)
No connection
-
-
30
SW1
Disc in SW
O
4.8
31
SW3
Disc out SW
O
4.8
32
LCD-CE
Not used
-
-
33
LCD-CLK
Not used
-
-
34
LCD-DI
Not used
-
-
35
LCD-DO
Not used
-
-
36
(NC)
No connection
-
-
37
(NC)
-
-
-
38
SEEK-SD/VC (Connecting to GND)
-
0
39
IF
(Connecting to GND)
-
0
40
VSS
Ground
-
0
41
VDD
+5V power supply
-
5
42
(NC)
No connection
-
-
43
KS4
Not used
-
-
44
KS3
Key scan signal
O
2.1
45
KS2
Key scan signal
O
2.2
46
KS1
Key scan signal
O
2.2
47
(NC)
No connection
-
-
48
KR3
Key return signal
I
0
49
KR2
Key return signal
I
0
50
KR1
Key return signal
I
0
51
(NC)
No connection
-
-
52
POWER
Power SW
I
5
53
(NC)
No connection
-
-
54
PLL-DO
PLL data input
I
2.5
55
PLL-CLK
PLL clock
O
0
56
PLL-DI
PLL data output
O
0
57
PLL-CE
PLL chip enabl
O
0
58
(NC)
No connection
-
-
59
(NC)
No connection
-
-
60
(NC)
No connection
-
-
61
(NC)
No connection
-
-
Pin
No.
Port
Description
I/O
(V)
62
(NC)
No connection
-
-
63
(NC)
No connection
-
-
64
(NC)
No connection
-
-
65
RDS-CLK
RDS clock
O
3.2
66
RDS-DATA
RDS data
I
3.5
67
(NC)
No connection
-
-
68
RMODE
Radio mode selection
O
5
69
SD.ST
B/S detection
I
5
70
(NC)
No connection
-
-
71
(NC)
No connection
-
-
72
(NC)
No connection
-
-
73
TESTMODE
(Connecting to GND)
-
0
74
VSM
Radio signal strength
I
0
75
MP
I
0
76
NOISE
Noise level detection
I
0.6
77
(NC)
No connection
-
-
78
RDS-MUTE
RDS mute
O
0
79
TEST
(VDD pull-up)
I
5
80
VOL CLK
Electronic volume clock
O
0
81
VOL DATA
Electronic volume data
O
0
82
AVDD
Analog power supply
-
5
83
AVREF1
Analog reference voltage
-
5
84
AVSS
Ground
-
0
85
RX
AVC-LAN data
I
0
86
TX
AVC-LAN data
O
0
87
(NC)
(Connecting to GND)
-
0
88
(NC)
(Connecting to GND)
-
0
89
(NC)
(Connecting to VDD)
-
5
90
+B DET
Battery level detection
I
5
91
(NC)
(Connecting to VDD)
-
6.5
92
ACC-DET
ACC level detection
I
5
93
EJECT
CD eject SW
I
5
94
(NC)
(Connecting to VDD)
-
5
95
(NC)
No connection
-
-
96
FM/AM
AM/FM mode selection
O
5
97
R.ON
Radio power on
O
5
98
(NC)
No connection
-
-
99
BEEP
Beep sound
I
0
100
(NC)
No connection
-
-
8 TERMINALS DESCRIPTION
7
CQ-MS0370K
8.2. CD Servo Block
IC101 : C1BB00000414
Pin
No.
Port
Description
I/O
(V)
1
D.GND
Digital GND
-
0
2
RFOK
RFOK signal
O
4.9
3
/RST
Reset
I
5.1
4
A0
Command/parameter
identification
identification
I
3.9
5
/STB
Data strobing
I
5.1
6
/SCK
Clock signal
I
3.7
7
SO
Serial data output
O
0.8
8
SI
Serial data input
I
3.2
9
/XTALEN
Crystal oscillator control
I
0
10
D.VDD
Digital VDD
-
5
11
DA.VDD
DA converter VDD
-
5
12
ROUT
Rch audio output
AO
2.6
13
DA.GND
DA converter GND
-
0
14
REGC
External capacitor for SCF
regulator
regulator
A-
2.7
15
DA.GND
DA converter GND
-
0
16
LOUT
Lch audio output
AO
2.6
17
DA.DVV
DA converter VDD
-
5
18
R+
Rch+ PWM output
O
-
19
R-
Rch- PWM output
O
-
20
L-
Lch- PWM output
O
-
21
L+
Lch+ PWM output
O
-
22
X.VDD
Crystal oscillator VDD
-
5
23
/XTAL
Crystal oscillator
O
0
24
XTAL
Crystal oscillator
I
2.6
25
X.GND
Crystal oscillator GND
-
0
26
D.VDD
Digital VDD
-
5
27
EMPH
Preemphasis information
O
5
28
FLAG
Flag output
O
0
29
DIN
Serial data input
I
2.6
30
DOUT
Cereal audio data output
O
2.6
31
SCKIN
Cereal clock input
I
2.6
32
SCKO
-
O
2.6
33
LRCKIN
LRCK signal
I
2.6
34
LRCK
LR identification
O
2.6
35
HOLD/WDCK
-
O
0
36
TX
-
-
-
37
D.GND
Digital GND
-
0
38
C16M
-
-
-
39
LIMIT
-
I
0
40
D.VDD
Digital VDD
-
5
41
LOCK
EFM synchronous detection
O
5
42
RFCK
Frame synchronization
O
2.6
43
MIRR/WFCK
-
O
0
44
PLCK
Bit clock monitor
O
2.6
45
D.GND
Digital GND
-
0
46
C1D1
C1 error correction
O
0
47
C1D2
C1 error correction
O
0
48
C2D1
C2 error correction
O
0
49
C2D2
C2 error correction
O
0
50
C2D3
C2 error correction
O
0
51
D.VDD
Digital VDD
-
5
52
PACK
PAC synchronization of CD-
TEXT
TEXT
O
1.8
53
TSO
Serial output of CD-TEXT
O
0
54
TSI
Serial input of CD-TEXT
I
0
55
/TSCK
Cereal clock input of CD-TEXT
I
0
56
TSTB
Parameter strobing signal of
CD-TEXT
CD-TEXT
I
0
57
D.GND
Digital GND
-
0
58
TEST0
Test
I
0
59
TEST1
Test
I
0
60
ATEST
Test
AO
0
Pin
No.
Port
Description
I/O
(V)
61
A.GND
Analog GND
-
2.6
62
FD
Foci drive
AO
0
63
TD
Tracking drive
AO
2.6
64
SD
Thread drive
AO
2.6
65
MD
Spindle drive
AO
2.6
66
DAC0
-
-
-
67
DAC1
-
AO
2.6
68
DAC2
-
AO
2.6
69
DAC3
-
-
-
70
A.VDD
Analog +5V Power Supply
-
5
71
EFM
E FM signal output
O
2.6
72
ASY
Reference voltage input of EFM
comparator
comparator
AI
2.6
73
C3T
For 3T detection
A-
3
74
RFI
RF signal for EFM data
generation
generation
AI
2.6
75
AGCO
RF signal output after gain
adjusted
adjusted
AO
2.6
76
AGCI
RF-AGC amplifier input
AI
2.6
77
RFO
RF Samingamp output
AO
2.8
78
EQ2
-
-
-
79
EQ1
Equalizer connection of RF
amplifier
amplifier
A-
2.7
80
RF-
RF Samingamp reversing input
AI
2.4
81
A.GND
Analog GND
-
0
82
A
Photodetector A input
AI
2.6
83
C
Photodetector C input
AI
2.6
84
B
Photodetector B input
AI
2.6
85
D
Photodetector D input
AI
2.7
86
F
Photodetector F input
AI
2.7
87
E
Photodetector E input
AI
2.6
88
A.VDD
Analog VDD
-
5
89
REFOUT
Reference potential output
AO
2.5
90
FE-
Focus error amplifier reversing
input
input
AI
2.5
91
FEO
Focus error amplifier output
AO
2.5
92
TE-
Tracking error amplifier
reversing input
reversing input
AI
2.6
93
TEO
Tracking error amplifier output
AO
2.5
94
TE2
Tracking error output after it
amplifies
amplifies
AO
2.6
95
TEC
Tracking comparator input
AI
2.5
96
A.GND
Analog GND
-
0
97
PD
PD detection signal input
AI
0
98
LD
LD controlling current output
AO
3
99
PN
APC control electrode setting
I
0
100
A.VDD
Analog VDD
-
5
8
CQ-MS0370K
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