Panasonic CQ-ET8060A Service Manual ▷ View online
10.1. Main Block
IC601 : C2BBGF000184
Pin
No.
Port
Description
I/O
(V)
1
EQ
Metal tape detection
I
0
2
NC
(Ground pull-down)
-
0
3
CD-SOM
CD changer serial data
I
4.3
4
CD-SIM
CD changer serial data
O
1.3
5
CD-SCKM
Clock for serial data
O
5.0
6
NC
(Connecting to ground)
-
0
7
STBY
Voltage generator stand-by
O
5.0
8
LATCH
Voltage generator data latch
O
5.0
9
DATA
Voltage generator data
O
0
10
CLK
Voltage generator clock
O
0
11
RIN
Tape motor control
O
0
12
FIN
Tape motor control
O
0
13
-
No connection
-
-
14
ST
FM stereo detection
I
0.3
15
SSC
Seach stop clear
O
0
16
SD
B/S detection
I
0.2
17
CD5V
CD 5V power on/off
O
4.8
18
NC
Not used
-
-
19
LCD-DI
LCD data
O
0
20
LCD-CLK
LCD clock
O
0
21
LCD-CE
LCD chip enable
O
0
22
LCD-DO
LCD data
I
4.9
23
VCONT
AM/FM level detection
I
0.3
24
ACC-DET
ACC level detection
I
1.9
25
+B-DET
Battery level detection
I
1.7
26
REO-IN
Illumi.(-) detection
I
0
27
VDD
+5V power supply
-
5.0
28
(GND)
(Connecting to ground)
-
0
29,30 VOL B, A
Voltage signal (Rotary encoder)
I
4.9
31
(GND)
(Connecting to ground)
-
0
32
AVSS
Ground
-
0
33
REG CPU
Voltage regurator terminal
-
3.4
34
VDD 0
+5V power supply
-
5.0
35
REG OSC
(Connecting to VDD)
-
5.0
36
X2
Crystal oscillator
-
2.2
37
X1
Crystal oscillator
-
1.6
38
GND0
Ground
-
0
39
NC
No connection
-
-
40
GND2
Ground
-
0
41
AMIF
AM IF input
I
1.8
42
FMIF
FM IF input
I
2.0
43
VDDPLL
+5V power supply
-
4.9
44
FMOSC
FM local oscillator
I
2.2
45
AMOSC
AM local oscillator
I
1.3
46
GNDPLL
Ground
-
0
47
EOO
PLL phase-comp. error
O
1.6
48
NC
No connection
-
-
49
IC
(Connecting to ground)
-
0
50
RESET
Reset input
I
4.3
51
CD.EJ
CD eject SW
I
5.0
52
TAPE.EJ
Tape eject SW
I
5.0
53
RESMON
Reset output (VDD=4.5V)
O
5.0
54
CD MUTE
CD mute
O
0
55,56 MODE B, A
Mode SW (Rotary encoder)
I
0
57
TEST
Not used
-
-
58
ILL-DET
Illumi. power detection
I
0
59
BEEP
Beep output
O
0
60
PWR
(Connecting to ground)
-
0
61
PWM ILL
Illumi. power control
O
7.0
62
PWM LCD
LCD power control
O
7.0
63
DIV.SUB
FM diversity sub. ANT.
O
7.8
64
DIV.MAIN
FM diversity main ANT.
O
0
65
M2F
Tape motor control
O
0.3
66
BLINK
LED blink control
O
0
67-70 NC
No connection
-
-
71
DIV ON/OFF
FM diversity control
O
4.9
72
NC
No connection
-
-
73
D.IN
LAN data
O
0
74
D.OUT
LAN data
I
0
75
MS-PL/FF
MS mode selection
O
0
76
A/B
Tape forward-reverse SW
I
0
77
MTL
Metal tape mode on/off
O
5.0
78
DOLBY
Dolby control
O
5.0
79
MSOUT
TPS detection
I
0.6
80
INTERS
Reset input (VDD=4.5V)
I
5.0
81
MSM
MS gain control
O
0
82
GND1
Ground
-
0
83
T.LOAD
Tape loading detection
I
0
84
T.IN
Tape detection
I
0
85
CAM A/B
Tape side detection
I
0
86
NC
No connection
-
-
87
CD-RESET
CD changer reset
O
4.9
88
STAT/STP
CD changer start/stop
O
5.0
89,90 NC
No connection
-
-
91
VOL-CLK
Clock for electronic volume
O
0
92
VOL-DATA
Data for elelctronic volume
O
0
93
MUTE
Mute output
O
0
94
END-A
Tape end detection
I
2.8
95
END-B
Tape end detection
I
2.5
96
BIT3
Tape mode SW
I
0
97,98 BIT1, 2
Tape mode SW
I
4.9
99
VDDPORT
+5V power supply
-
5.0
100
GNDPORT
Ground
-
0
10.2. Display Block
IC601 : YEAMLC75853W
Pin
No.
Port
Description
I/O
(V)
1-39 SEG1?39
LCD segment output
O
2.5
40
SEG40
Not used
-
-
41-43 COM1-3
LCD common output
O
2.5
44-49 KS1-6
Key scan signal
O
0.9
50
KI1
(Connecting to ground)
-
0
51-54 KI2-5
Key data input
I
0
55
TEST
(Connecting to ground)
-
0
56
VDD
+5V power supply
-
5.1
57
VDD1
Ground through capacitor
-
3.3
58
VDD2
Ground through capacitor
-
1.7
59
VSS
Ground
-
0
60
OSC
CR oscillator
-
3.9
61
DO
key data output
O
4.4
62
CE
Chip enable
I
0
63
CLK
LCD clock
I
0
64
DI
LCD data input
I
0
10.3. CD Servo Block
IC201 : MN662783RPW
Pin
No.
Port
Description
I/O
(V)
1
VDD
+5V power supply
-
5.0
2
D0
D-RAM data
I/O
2.3
3
D1
D-RAM data
I/O
1.8
4
/WE
D-RAM data write
O
4.9
10 TERMINALS DESCRIPTION
9
CQ-ET8060A
5
/RAS
D-RAM row address strobe
O
3.4
6
D2
D-RAM data
I/O
0.8
7
D3
D-RAM data
I/O
0
8
/CAS0
D-RAM columun address strobe
O
3.9
9
/CAS1
D-RAM columun address strobe
O
0
10
A8
D-RAM address
O
0.6
11
A7
D-RAM address
O
1.1
12
A6
D-RAM address
O
0.7
13
A5
D-RAM address
O
0
14
A4
D-RAM address
O
1.1
15
A9
D-RAM address
O
0.4
16-18 A0
D-RAM address
O
1.0
19
A3
D-RAM address
O
0
20
VSS2
Ground
-
0
21
VDD2
+5V power supply
-
5.0
22,23 -
Not used
-
-
24
TVD
Traverse motor control
O
2.5
25
PC
Not used
-
-
26
ECS
Spindle motor control
O
2.4
27
TRD
Tracking coil drive
O
2.5
28
FOD
Focus coil drive
O
2.4
29
FBAL
Focus balance
O
1.9
30
TBAL
Tracking balance
O
3.0
31
VREF
Refence voltage
I
2.5
32
FE
Focus error
I
2.5
33
TE
Tracking error
I
2.5
34
RFENV
RF envelope
I
2.5
35
OFT
Off track signal
I
0
36
/RFDET
RF detecting signal
I
0
37
BDO
Drop-out signal
I
0
38
LDON
Laser on signal
O
4.5
39
ARF
RF signal
I
2.5
40
IREF
Reference current input
I
1.2
41
DRF
Bias for DSL
I
2.4
42
DSLF
Loop filter for DSL
I/O
2.5
43
DSLF2
Loop filter for DSL
I/O
2.2
44
PLLF
Loop filter for PLL
I/O
1.4
45
VCOF
Not used
-
-
46
AVDD2
+5V power supply
-
5.0
47
AVSS2
Ground
-
0
48
OUTL
L channel output
O
2.3
49
AVSS1
Ground
-
0
50
OUTR
R channel output
O
2.3
51
AVDD1
+5V power supply
-
4.7
52-54 -
(Connecting to ground)
-
0
55
FLAG
Flag output
O
0
56
FCLK
Frame clock
O
0
57-60 -
Not used
-
-
61
MCLK
Clock for I/F command
I
1.0
62
MDATA
Date for I/F command
I
3.1
63
MLD
I/F command load
I
5.0
64
BLKCK
Subcode block clock
O
0
65
SQCK
Ext.clock for sub code-Q
I
5.0
66
SUBQ
Code for sub. code-Q
O
3.8
67
DMUTE
Mute input
I
0
68
STAT
Status signal
O
5.0
69
/RST
Reset input
I
5.0
70
CSEL
(Connecting to ground)
-
0
71
PMCK
Clock output
O
2.5
72
SMCK
Clock output
O
2.5
73
SUBC
Serial data of sub code
O
0
74
SBCK
Shift clock for SUBC
I
0.6
75
/CLDCK
Not used
-
-
76
/TEST
(Connecting to VDD)
-
5.0
77
X1
Crystal oscillator
-
0.4
78
X2
Crystal oscillator
-
3.2
79
VDD1
+5V power supply
-
5.0
80
VSS1
Ground
-
0
IC301 : MN1873260AB
Pin
No.
Port
Description
I/O
(V)
1
VDD
+5V power supply
-
5.0
2
OSC2
Crystal oscillator
-
2.2
3
OSC1
Crystal oscillator
-
2.1
4
VSS
Ground
-
0
5
XI
(Connecting to ground)
-
0
6
XO
Not used
-
-
7
CM
(Connecting to ground)
-
0
8
VREFH
Reference voltage
I
5.0
9
SW13
Shuter SW
I
4.9
10
SW12
Horizontal origin
I
4.9
11
SW11
Clump SW
I
0
12
SW10
Play SW
I
0
13
SW4
Shuter SW
I
4.9
14
SW3
Tray origin SW
I
0
15
SW2
Inner SW
I
4.8
16
SW1
Outer SW
I
4.9
17
VREFL
Reference voltage
I
0
18
/RESET
Reset input
I
4.9
19
-
(Ground pull-down)
-
0
20
SCKM
Clock for serial data
I
5.0
21
SIM
CD changer serial data
I
1.3
22
SOM
CD changer serial data
O
4.3
23
SQCK
Ext. clock for sub. code-Q
O
5.0
24
SUBQ
Code for sub. code-Q
I
1.6
25
-
Not used
-
5.0
26
-
(Ground pull-down)
-
0
27
CD.ON
CD changer start/stop
I
5.0
28
-
Not used
-
5.0
29
BLKCK
Sub. code block clock
I
0
30
P.ON
Not used
-
5.0
31
MUTE
Mute output
O
5.0
32
-
(Ground pull-down)
-
0
33
SENS
Servo status
O
0
34
CLVS
Servo status
O
5.0
35
FLOCK
Focus servo lock
O
0.2
36
TLOCK
Tracking servo lock
O
0
37
VMI
Horizontal motor control
O
2.5
38
HMI
Vertical motor control
O
0
39
HVMUTE
H/V motor mute
O
0
40-42 -
(Ground pull-down)
-
0
43
SW9
Disc-in (B) SW
I
0
44
SW8
Disc-in (L) SW
I
0
45
SW7
Disc-in (F) SW
I
0
46
SW6
Disc push SW
I
0
47
SW5
Tray hight SW
I
4.5
48
BDO
Drop-out signal
I
0
49
DQSY
Not used
-
-
50
/RST
Reset output
O
5.0
51
STAT
Status signal
I
2.1
52
DMUTE
Mute output
O
0
53
XE
Not used
-
-
54
P.DOWN
Power down signal
O
0
55
-
No connection
-
-
56
MLD
I/F command load
O
5.0
57
MDATA
Data for I/F command
O
3.1
58
MCLK
Clock for I/F command
O
4.1
59
SPMT
Spindle mute
O
5.0
60
MUTE12
Focus/Tracking mute
O
0
61
MUTE4
Loading motor mute
O
4.8
62
LDOI
Loading motor control
I/O
2.5
63
TRV
Forced traverse control
I/O
2.4
64
SYNC
Not used
-
-
10
CQ-ET8060A
IC201 : YEAMM62490FP
IC203 : YEAMPC4570T1
IC691 : YEAMH12187ER
11 PACKAGE AND IC BLOCK DIAGRAM
11.1. Main Block
PA101 : YEP0PTA514A0
11
CQ-ET8060A
IC701 : C0DBZHZ00002
IC702 : YEAMLB1930MT
IC801 : C1BB00000100
12
CQ-ET8060A
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