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7.1. Main Block
IC601 : YEAM784938112
Pin
No.
Name
Description
I/O
Volt (V)
FM AM TAP
E
CD
1
BEEP
Beep
outputPulse:ON,
L:Beep OFF
O
0
0
0
0
2
BIT3
Tape rotary switch 3
I
0
0
0
0
3
BIT2
Tape rotary switch 2
I
0
0
5.1
0
4
BIT1
Tape rotary switch 1
I
0
0
5.1
0
5
FIN
FIN:L,
RIN:H
then
Eject
FIN:H, RIN:H then Brake
O
0
0
0
0.3
6
RIN
FIN:L,
RIN:L
then
BrakeFIN:H,
RIN:L
then
Load
O
0
0
0
0
7
MUTE
H:Mute OFF, L:Mute ON
O
0
0
0
0
8
MD-
SCKN(NC)
SCKN(NC)
-
-
-
-
-
-
9
MD-
SDM(NC)
SDM(NC)
-
-
-
-
-
-
10 MD-
SIM(NC)
-
-
-
-
-
-
11 RESET
Reset
I
5.3 5.3 5.3 5.3
12 X2
Main clock
-
2.8 2.8 2.8 2.8
13 X1
Main clock
-
2.4 2.4 2.4 2.4
14 GND
Ground
-
0
0
0
0
15 X2
Main clock
-
2.8 2.8 2.8 2.8
16 X1
Main clock
-
2.5 2.5 2.5 2.5
17 REGOFF
Connected to +5V
-
5.3 5.3 5.3 5.3
18 REGCPU
Connected to +5V
-
5.3 5.3 5.3 5.3
19 VDD0
+5V power supply
-
5.3 5.3 5.3 5.3
20 FCONT2
F1/F2 mode switch
O 5.3 5.3 5.3 5.3
21 FCONT1
5.3 0
0
0
22 DIV.ON/OF
F
(+5V pull-up)
-
5.3 5.3 5.3 5.3
23 ST
H:Stereo, L:monaural
I
0.5 2
0.5 0.5
24 PLL-D0
PLL data input
I
5.1 5.1 5.1 5.2
25 PLL-CLK
PLL clock
O
0
0
0
0
26 PLL-DI
PLL data output
O
0
0
0.3
0
27 PLL-CE
PLL chip enable
O
0
0
0
0
28 RAD.MUTE H:Except radio, L:Radio
O
0
0
5.3 5.3
29 CD-MUTE
H:CD mute, L:Invalid
O
0
0
0
5.3
30 SD
SD
I
0.4 0.4 0.4 0.4
31 VOL-DATA Electronic volume data
O
0
0
0
0.3
32 VOL-CLK
Electronic volume clock
O
0
0
0
0.3
33 LCD-CLK
LCD clock
O
0
0
0
0
34 LCD-D0
LCD data output
I
5.1 5.1 5.1 5.2
35 LCD-DATA
-
-
-
-
-
-
36 LCD-CE
LCD chip enable
O
0
0
0
0.3
37 LCD-DI
LCD data input
O
0
0
0
0
38 LCD-
RESET
LCD reset
O
0
0
0
0
39 LCDOFF
-
-
-
-
-
-
40 GND
Ground
-
0
0
0
0
41 VDD
-
-
5.3 5.3 5.3 5.3
42 NC
-
-
-
-
-
-
43 MODEA
MODE rotary encoder A
I
5.1 5.1 5.2 5.2
44 MODEB
MODE rotary encoder B
I
0
0
0
0
45 BLINK
LED control (Disc-in slot)
O
0
0
0.3
0
46 BAIGHTNE
S
Dimmer control (Disc-in slot) O
0
0
0
0
47 NC
-
-
-
-
-
-
48 NC
-
-
-
-
-
-
49 NC
-
-
-
-
-
-
50 D4/D0
(+5V pull-up)
-
5.3 5.3 5.3 5.3
51 ASL.IN
Ground
I
0
0
0
0
Pin
No.
Name
Description
I/O
Volt (V)
FM AM TAP
E
CD
52 TAI/TAIWA
N
(+5V pull-up)
I
5.3 5.3 5.3 5.3
53 NC
-
-
-
-
-
-
54 FAN-
ON(NC)
-
-
-
-
-
-
55 NC
-
-
-
-
-
-
56 CLK
Clock
O
0
0
0.3
0
57 STBY
Standby
O 5.3 5.3 5.3 5.3
58 LATCH
Latch
O 5.3 5.3 5.3 5.3
59 DATA
Power supply data
O
0
0
0
0
60 START/ST
OP
CD communication control
O 5.3 5.3 5.3 5.3
61 CD-RESET CD reset
O 5.3 5.3 5.3 5.3
62 NC
-
-
-
-
-
-
63 P.5V-ON
H:CD 5V ON, L:OFF
O
0
0
0
5.3
64 MSOUT
H:No
tape
sound,
L:Detected
I
1.4 1.3 0.3
0
65 CD-SCKM
CD serial data clock
O 5.3 5.3 5.3 5.3
66 CD-SOM
CD serial data input
I
5
5
5.1 4.6
67 CD-SIM
CD serial data output
O 1.5 1.5 1.5
0
68 MS-PL/FF
TapeÉÇÅ[ÉhÉRÉìÉgÉçÅ[Éã O
0
0
0
0
69 T.LOAD
Tape position detection
I
0
0
0
0
70 DOLBY
Tape dolby control
O
0
0
5.3
0
71 NC
-
-
-
-
-
-
72 NC
-
-
-
-
-
-
73 TEST
(Ground pull-down)
-
0
0
0
0
74 MAIN-VOL
Volume level
I
1
1
1
1
75 Vcont
(Ground pull-down)
-
0.4 0.9 0.4 0.4
76 DEG-
IN(NC)
-
-
-
-
-
-
77 A/B
H:Tape B side, L:A side
O
0
0
0
0
78 MTL
Metal tape mode
O
0
0
5.3
0
79 CAM A/B
H:B side, L:A side
I
0
0
0
0
80 MSM
Music sensor mode
O
0
0
0
0
81 MD.MUTE(
NC)
-
-
-
-
-
-
82 VDD
+5V power supply
-
5.3 5.3 5.3 5.3
83 AVDD
+5V power supply
-
5.1 5.1 5.2 5.2
84 GND
Ground
-
0
0
0
0
85 LANIN
LAN data input
I
0
0
0
0
86 LANOUT
LAN data output
O
0
0
0
0
87 ACC-DET
H:ACC
detected,
L:Not
detected
I
5.3 5.3 5.3 5.3
88 TAPE.EJ
Tape eject-key
I
5.3 5.3 5.3 5.3
89 ILL-DET
H:ILL OFF L:ILL ON
I
0
0
0
0
90 EQ
H:Normal tape, L:Metal
I
0
0
0
0
91 CDCH.EJ
H:Eject-key OFF, L:ON
I
5.3 5.3 5.3 5.3
92 +B DET
Battery detection
I
5.3 5.3 5.3 5.3
93 EJ-OR
Logical addition of CD and
tape ejection
tape ejection
I
5.3 5.3 5.3 5.3
94 T.IN
Tape-in detection
I
0
0
0
0
95 MD-ON
-
-
-
-
-
-
96 MD-RST
-
-
-
-
-
-
97 DIV-SUB
-
-
-
-
-
-
98 DIV-MAIN
-
-
-
-
-
-
99 END-B
Tape-end detection B
I
5.1 5.1
0
5.1
100 END-A
Tape-end detection A
I
0.4 0.4
0
0.4
7 TERMINALS DESCRIPTION
9
CQ-JS7230TA
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