Read Panasonic CQ-JS6930A1S Service Manual online
10.1. Main Block
IC601 C2BBGF000068
Pin
No.
Port
Description
I/O
VOL(V)
FM
AM
CD Tape
1
LED CE
LCD Chip enable
I
0
0
0
0
2
LCD DO
LCD Data
I
4.7
4.7
4.6
4.6
3
NC
-
-
-
-
-
-
4
GND
Ground
-
0
0
0
0
5
F CONT2
F1/F2 mode change
O
0
0
0
0
6
F CONT1
O
0
0
0
0
7
VDD
+5V Power supply
-
4.8
4.8
4.8
4.8
8
BLINK
Disc Indicator light
control H: Light L:Out
the light
control H: Light L:Out
the light
O
0
0
0
0
9
BRIGHTN
ESS
ESS
Disc Indicator
depreciaion H:
Normal L: One stage
depreciation
depreciaion H:
Normal L: One stage
depreciation
O
0
0
0
0
10 NC
-
-
-
-
-
-
11 CD-ON
ID-CH MASH Power
control H: MASH ON
L:MASH OFF
control H: MASH ON
L:MASH OFF
O
0
0
0
0
12 NC
-
-
-
-
-
-
13 M1-B
M1-A M1-B L L
Brake L H Loading H
L Eject H H Brake
Brake L H Loading H
L Eject H H Brake
O
0
0
0
0
14 M1-A
O
0
0
0
0
15 NC
-
-
-
-
-
-
16 CD SOM
CD serial data input
I
4.6
4.6
4.3
4.6
17 CD SIM
CD serial data output
O
0
0
0
0
18 CD SCKM CD serial clock input
O
4.8
4.8
4.8
4.8
19 CD
RESET
L: CD CPU reset
O
4.8
4.8
4.8
4.8
20 START/ST
OP
CD communication
control H: Data
effective L: F Data
ineffective
control H: Data
effective L: F Data
ineffective
O
4.8
4.8
4.8
4.8
21 STBY
H: LA5625 Active L:
LA5625 Non active
LA5625 Non active
O
4.8
4.8
4.8
4.8
22 A/B
H: B side L: A side
O
0
0
0
4.8
23 MTL
H: Metal tape L:
Normal tape
Normal tape
O
0
0
0
4.8
24 P.CLK
LA5625 serial clock
output
output
O
0
0
0
0
25 P.DATA
LA5626 serial data
output
output
O
0
0
0
0
26 P.LATCH
LA5627 latch signal
output
output
O
4.8
4.8
4.8
4.8
27 MS
H: Silence L: Tone
I
1.2
1.2
1.2
0
28 MS PL/FF H: PLAY L: FF/REW
O
0
0
0
0
29 T.LOAD
H: EJECT finish L:
Loading start
Loading start
I
4.9
4.7
4.7
0
30 DOLBY
H: Dolby B C ON L:
Dolby B C OFF
Dolby B C OFF
O
0
0
0
4.8
31 CAM A/B
H: A side L: B side
I
0
0
0
4.8
32 T.IN
H: Tape out L: Tape
in
in
I
4.9
4.7
4.7
0
33 GND
Ground
-
0
0
0
0
34 ENDB
Tape end detection
I
0
0
0
0
35 ENDA
Tape end detection
I
0
0
0
0
36 CONT1
DIV1 DIV2 L H MAIN
or FMH L Except
or FMH L Except
O
0
0
0
0
37 CONT2
O
7.9
0
0
0
38 M2F
H: First L: Third
O
0
0
0
0.6
39 MSM
H: First L: Third
O
0
0
0
0
40 EQ
H: Metal tape L:
Normal tape
Normal tape
I
4.8
4.8
4.8
0
41 BIT3
Rotary Switch 3
I
4.8
4.8
4.8
0
42 BIT2
Rotary Switch 2
I
4.8
4.8
4.8
4.8
43 BIT1
Rotary Switch 1
I
0
0
0
4.8
Pin
No.
Port
Description
I/O
VOL(V)
FM
AM
CD Tape
44 PWM (NC)
-
-
-
-
-
-
45 MUTE
H: Mute ON L: Mute
OFF
OFF
O
0
0
0
0
46 BEEP
Beep output
O
0
0
0
0
47 VOL DAT
Volume data output
O
0
0
0
0
48 VOLCLK
Volume clock output
O
0
0
0
0
49 VOL CE
Volume chip enable
O
0
0
0
0
50 TEST
Automatic test
command
command
I
4.8
4.8
4.7
4.7
51 JPN/TAI
H: Taiwan L: Japan
I
0
0
0
0
52 PLL DO
PLL data input
I
4.8
4.8
4.8
4.8
53 PLL CLK
PLL clock output
O
0
0
0
0
54 PLL DI
PLL data output
OUT1(DX/LOC)
H:LOC L:DX
OUT1(DX/LOC) H:
1F START L:STOP
OUT1(DX/LOC)
H:LOC L:DX
OUT1(DX/LOC) H:
1F START L:STOP
O
0
0
0
0
55 PLL CE
PLL chip enable
output
output
O
0
0
0
0
56 LAN-OUT
AVC-LAN data
output
output
I
0
0
0
0
57 LAN-IN
AVC-LAN data input
I
0
0
0
0
58 ST
H: Stereo input ON
L: Stereo input OFF
L: Stereo input OFF
I
0
1.7
0
0
59 SD
H: Electric field ON
L: Electric field OFF
L: Electric field OFF
I
0
0
0
0
60 RESET
L: Reset
I
4.9
4.9
4.7
4.5
61 ILL-DET
H: Illumi. OFF L:
Illumi. ON
Illumi. ON
I
0
0
0
0
62 +B-DET
H: +B ON L: +B OFF
I
4.9
4.5
4.5
4.7
63 ACC-DET
H: ACC ON L: ACC
OFF
OFF
I
4.9
4.5
4.5
4.7
64 T.EJECT
H: Tape eject key off
L: Tape eject key on
L: Tape eject key on
I
4.9
4.6
4.6
4.8
65 CD-EJECT H: CD eject key off
L: CD eject key on
I
4.9
4.6
4.6
4.9
66 NC
-
-
-
-
-
-
67 NC
-
-
-
-
-
-
68 VDD
+5V Power supply
-
4.8
4.8
4.8
4.8
69 X2
Ceramic oscillator
6.29MHz
6.29MHz
-
2.3
2.3
2.3
2.3
70 X1
Ceramic oscillator
6.29MHz
6.29MHz
-
2.1
2.1
2.1
2.1
71 GND
Ground
-
0
0
0
0
72 XT2
Crystal oscillator
32.8kHz
32.8kHz
O
2.6
2.6
2.6
2.6
73 XT1
Crystal oscillator
32.8kHz
32.8kHz
I
2.4
2.4
2.4
2.4
74 AVDD
A/D convertor analog
power supply
power supply
-
4.8
4.8
4.8
4.8
75 ACC 5V
A/D convertor
reference voltage
reference voltage
-
4.8
4.8
4.9
4.8
76 MAIN VOL Main volume analog
input
I
0
0
0
0
77 VSM
AM signal meter
input
input
I
0.5
0.9
0.3
0
78 NC
-
-
-
-
-
-
79 DI
LCD deta output
O
0
0
0
0
80 CLK
LCD clock input
I
0
0
0
0
10 TERMINALS DESCRIPTION
10
CQ-JS6930A1S
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