Read Panasonic CQ-ZS0581K / CQ-ZS0582K Service Manual online
6.1. Main Block
IC600 : C2CBJH000087
Pin
No.
Port
Descriptions
I/O
Vol (V)
DVD TAP
E
1
BIT3
NCA1 Rotary Switch 3
I
5.1
5.0
2
BIT2
NCA1 Rotary Switch 2
I
0
5.0
3
BIT1
NCA1 Rotary Switch 1
I
0
0
4
T.LOAD
Hi: Ejected state of the cassette
holder
Lo: Normal operation and
cassette holder pushed in
holder
Lo: Normal operation and
cassette holder pushed in
I
5.1
0
5
MS.OUT
Hi: No sounds, Lo: With sounds
I
5.0
4.9
6
BYTE
-
-
0
0
7
CNVSS
-
(For flash version, it pulls down
at 4.7k
(For flash version, it pulls down
at 4.7k
Ω
to VSS for flash rewrite)
-
0
0
8
PANEL
INFO
INFO
Oscillator (subclock) 32kHzPanel
specification change decider
H:LCD type, L:EJ/LD type
specification change decider
H:LCD type, L:EJ/LD type
I
-
-
9
NC
Not used
O
-
-
10 RESET
H: Normal, L: Reset
I
4.9
5.0
11 XOUT
Oscillator (main clock) 10MHz
O
1.5
2.6
12 GND
-
-
0
0
13 XIN
Oscillator (main clock) 10MHz
I
2.3
2.3
14 VCC
-
-
5.1
5.1
15 NMI
NMI (Pulls up at 47k
Ω
to Vcc)
I
5.0
5.0
16 LED AB
H:Red indicator led on
L:Red indicator led off
L:Red indicator led off
O
0
0
17 LED GW
H:Green indicator led on
L:Green indicator led off
L:Green indicator led off
O
0
0
18 IND DATA
LED driver IC (BU2090) data
O
0
0
19 DOUT
(Connecting to the 27th pin
RXD2)
RXD2)
I
0
0
20 IND CLK
LED driver IC (BU2090 clock)
O
0
0
21 LOAD SW
Load switch input for CH
I
0
4.9
22 DVD EJ
H:DVD-EJ off
L:DVD-EJ on
L:DVD-EJ on
I
4.9
4.9
23 CST EJ
H:CST-EJ off
L:CST-EJ on
L:CST-EJ on
I
4.9
4.9
24 PWM ILL
PWM for leostat illumination
O
0
0
25 NC
-
-
-
-
26 PWM IND
Indicator light
O
5.1
5.1
27 DOUT
AVC-LAN data input
I
0
0
28 DIN
AVC-LAN data ouput
O
0
0
29 TxD
At normal operation:Not used
For microcomputer flash ROM
rewrite
For microcomputer flash ROM
rewrite
O
0
0
30 DOLBY
At normal operation:DOLBY
switch
H:Dolby off
L:Dolby on
For microcomputer flash ROM
rewrite
switch
H:Dolby off
L:Dolby on
For microcomputer flash ROM
rewrite
O
0
0
31 ENDB
At normal operation:tape end
detector B
For microcomputer flash ROM
rewrite
detector B
For microcomputer flash ROM
rewrite
I
0
0
32 EMDA
At normal operation:tape end
detector A
For microcomputer flash ROM
rewrite
detector A
For microcomputer flash ROM
rewrite
I
0
0
33 DVD SI
DVD communication data output
O
4.9
4.9
34 DVD SO
DVD communication data input
I
3.3
4.9
35 DVD RST
DVD-RESET
(L:Reset, H:Cancel)
O
5.1
5.1
36 NC
Not used
O
4.9
4.9
37 NC
-
-
-
-
38 NC
-
-
-
-
Pin
No.
Port
Descriptions
I/O
Vol (V)
DVD TAP
E
39 EPM
At normal operation:Not used
For microcomputer flash ROM
rewrite
For microcomputer flash ROM
rewrite
O
-
-
40 NC
Not used
O
4.9
4.9
41 NC
Not used
O
0
0
42 ST M
Stereo detector
I
4.9
4.9
43 SCL M
I2CBUS-SCL
O
5.1
5.1
44 CE
At normal operation:Not used
For microcomputer flash ROM
rewrite
For microcomputer flash ROM
rewrite
O
45 SDA M
I2CBUS-SDA
I/O
4.9
4.9
46 SD M
Broadcast station detector
(L:Found, H:Not Found)
(L:Found, H:Not Found)
I
4.9
4.9
47 WP M
E2PROM write-protect
(L: Disenable, H:Enable)
(L: Disenable, H:Enable)
O
0
0
48 NC
Not used
O
-
-
49 NC
Not used
O
-
-
50 MTL
Hi: Normal tape Lo: Metal tape
O
-
-
51 AMNC
ON/OFF
Noise cancel controller
(L:ON, H:OFF)
(L:ON, H:OFF)
O
5.1
5.1
52 A/B(CAM)
Hi:B side Lo:A side
I
-
-
53 DIN
Hi: No tape Lo: With tape
I
-
-
54 NC
Not used
I
0
0
55 EQ
Hi: Metal tape Lo: Normal tape
I
-
-
56 AUD CNT2 Audio source switch
O
5.1
0
57 AUD CNT1 Audio source switch
O
0
5.1
58 DVDMUTE
CNT
DVD-MUTE permitter
(L:enable, H:disenable=off)
(L:enable, H:disenable=off)
O
0
5.1
59 MUTE
Mute (L:off H:on)
O
0
0
60 VCC
+5 power supply
-
5.1
5.1
61 MSM
H:Speed1 L:Speed3
O
-
-
62 GND
Ground
-
0
0
63 MS(.PL/FF) Hi:FF/REW Lo:Play
O
-
-
64 DIV SW
H:Fixed main L:Diver operation
I
0
0
65 DIV SUB
Diversity antenna switch
(L:Off H:Sub-on)
(L:Off H:Sub-on)
O
0
0
66 DIV MAIN
Diversity antenna switch
(L:Off H:Main-on)
(L:Off H:Main-on)
O
0
0
67 FAN ON
H:Cool fan on (PWR on)
L:Cool fan off (PWR off)
L:Cool fan off (PWR off)
O
0
5.1
68 P ON
H:WDT on, L:WDT off
O
5.1
5.1
69 ILL DET
H:Illumi off, L:Illumi on
I
5.0
5.0
70 WDT CLK
H:WDT clear
(H output min 500ns)
L:WDT count
(H output min 500ns)
L:WDT count
(Fixed H period w/in 1s)
O
2.5
2.5
71 LOW +B
DET
H: Normal
L:Low battery detection
(To forced standby)
L:Low battery detection
(To forced standby)
I
4.9
4.9
72 +B DET
H:+B on, L:+B off
I
4.9
4.9
73 ACC DET
H:Acc on, L:Acc off
I
4.9
4.9
74 TSTB
R-IN: H, F-IN: L
→
Eject
R-IN: H, F-IN: H
→
Brake
R-IN: L, F-IN: L
→
Free
R-IN: L, F-IN: H
→
Loading
O
-
-
75 RSE-INH
(NC)
Not used
O
-
-
76 DVD-ON
H:DVD power off
L:DVD power on
L:DVD power on
O
0
5.2
77 F/R(A/B)
Hi:B side sounds
Lo:A side sounds
Lo:A side sounds
O
-
-
78 IEC-CNT
Open: Digital output on
L:Digital output off
L:Digital output off
I/O
3.2
5.2
79 V CNT1
Exterior video switch controller
O
0
0
80 V CNT2
Exterior video switch controller
O
0
5.2
81 CCB DI
Power IC controller (DATA)
O
0
0
82 CCB CE
Power IC controller (CE)
O
0
0
6 TERMINALS DESCRIPTION
6
CQ-ZS0581K / CQ-ZS0582K
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