IC601 : LC7237819C89
Pin
No. Port Description I/O(V) FM(V) AM(V) CD(V)
1XIN 4. 5 MHz X’tal and
Connection I2.4 2.49 2.48
2TEST2 GND connection I 0 0 0
3VREG Bypass condenser
connected. O2.9 2.99 2.99
4VSSCPU GND connection - 0 0 0
5CDC_DAT
ACD changer data I0.01 0.01 0.01
6N.C. None O0.01 0.01 0
7CDC_CLK CD changer clock I 0 0.01 0.01
8CDC_REM
_OUT CD changer Remote
out O0.01 0.01 0.01
9LCD_DO LCD data output I5.1 5.17 5.17
10 LCD_DI LCD data input O4.95 5.01 4.92
11 LCD_CLK LCD clock O 5 5.14 5.12
12 LCD_CE LCD chip enable
output O0.1 0.18 0.23
13 CD_DO CD data output I5.3 5.27 4.92
14 CD_DI CD data input O0.01 0.01 5.12
15 CD_CLK CD clock O 5 5.17 5.1
16 CD_CE CD chip enable O0.01 0.01 0.4
17 CD_EM CD eject O0.02 0.02 0.02
18 CD_LM CD loading O0.01 0.01 5.15
19 CD_S/L CD 24PIN
connection O0.01 0 0
20 CD_WRQ CD WRQ connection I5.3 5.29 0.1
21 CD_INSW
1CD insert SW input I0.1 0.1 0.1
22 CD_SW2 CD MECHA SW2 I 5 5.14 5.13
23 CD_LIMI
T_SW CD limit SW I 0 0 5.26
24 CD_DRF CD DRF I 0 0 5.15
25 CD_RST CD reset O 5 5.17 5.14
26 CD_DMUT
ECD mute O 0 0 0
27 N.C. None O 0 0 0
28 N.C. None O 0 0 5.18
29 PANEL Panel detect I5.18 5.18 0
30 N.C. GND connection I 0 0 0
31 N.C. GND connection I 0 0 0
32 N.C. GND connection I 0 0 0
33 N.C. None O 0 0 0
34 N.C. None O 0 0 0
35 N.C. None O 0 0 0
36 N.C. None O 0 0 0
37 N.C. None O 0 0 0
38 N.C. None O 0 0 5.14
39 VDDPORT Power supply of
PORT - 5 5.17 0
40 VSSPORT GND of PORT - 0 0 0
41 N.C. None O 0 0 0
42 N.C. None O 0 0 0
43 N.C. None O 0 0 0
44 N.C. None O 0 0 0
45 N.C. None O 0 0 0
46 N.C. None O 0 0 0
47 N.C. None O 0 0.02 0.02
48 N.C. None O 0 0 0
49 PWR_CNT Power control O 5 5.15 5.14
50 AMP_CNT Amp stand-by O 5 5.15 5.13
51 AMP_MUT
EAmp mute O 5 5.15 5.15
52 N.C. None O0.03 0.02 0.02
53 SSC Tuner search
sensitivity change O0.06 0.06 0.06
54 AF_MUTE AF mute O 5 5.17 5.15
55 I2C_DAT
AElectronic VOL
data O 5 5.17 5.16
Pin
No. Port Description I/O(V) FM(V) AM(V) CD(V)
56 I2C_CLK Electronic VOL
clock O 5 5.17 5.16
57 ANT_CNT Motor antena
control O 5 5.17 5.17
58 POWER_L
ED Power LED O0.1 0.17 0.17
59 N.C. None O0.03 0.02 0
60 N.C. (
BZ_OUT
)
None O0.03 0.02 0
61 N.C. None O0.03 0.02 0
62 N.C. None O0.03 0.02 0
63 N.C. None O0.03 0.02 0
64 N.C. None O0.03 0.02 0
65 N.C. None O0.03 0.02 0
66 TEL_MUT
EExternal MUTE
input I5.2 5.33 5.33
67 BATT Battery detection I5.2 5.33 5.33
68 MODE_B ROTARY B input I0.54 0.62 0.02
69 RDS_CLK RDS clock I2.65 2.64 2.63
70 REM_IN Remocon data input I 5 5.12 5.11
71 MODE_A ROTARY A input I0.6 0.59 0.06
72 CDC_STB CD changer strobe
input I 0 0.62 0.06
73 NC None O0.03 0.03 0
74 MONO Compulsion MONO ON O0.03 0.03 0.03
75 AM_MODE AM change O 8 0.06 8.06
76 FM_MODE FM change O0.08 8.06 0.08
77 N.C. GND connection I0.1 0 0
78 INIT_C Initial value C I 0 0 0
79 INIT_B Initial value B I2.5 5.15 5.14
80 INIT_A Initial value A I3.23 3.25 3.24
81 VSSADC GND connection - 0 0 0
82 RDS_DAT
ARDS data I0.3 0.01 2.56
83 ST FM stereo input I5.3 5.25 0.34
84 SD_FM/A
MSignal detection I3.2 3.51 0.32
85 N.C. GND connection I 0 0 0
86 RESET Reset Input IOFF OFF OFF
87 ACC Power supply I5.3 5.37 5.42
88 N.C. GND connection I 0 0 0
89 N.C. GND connection I 0 0 0
90 FM/AM_I
FC FM/AM IF input I1.4 1.45 1.45
91 N.C. GND connection I0.1 0 0
92 SUBPD None O 2 2.09 1.39
93 VDDPLL Power supply of
PLL - 5 5.16 OFF
94 N.C. None I 0 0 0
95 OSC_FM/
AM FM/AM osc input I1.4 1.36 1.43
96 VSSPLL None - 0 0 0
97 N.C. None O0.3 0.17 0.21
98 EO1 PLL phase
comparison error
output
O 2 2.08 1.38
99 TEST1 GND connection I 0 0 0
100 XOUT 4. 5 MHz X’tal and
Connection O2.5 2.56 2.56
Note 1 :
Voltage measuerments are with respect to ground, with a
voltmeter (internal resistance : 10M ohms).
10 TERMINALS DESCRIPTION
10.1. Main Block
6
CQ-C1001W1
