Clarion PN-3124N-A Service Manual page 21

Main PWB(B2) section 4/5
To page 20
DSP-CPU
3/5
CD-CPU
To page 19
2/5
B/U-DET
R417 47K
R416 47K
R413 47K
R412 330
REM-A
R411 330
REM-B
B/T-CPU
To page 18
1/5
TUN-CPU
R408
4.7K M-T SCL
M-T SDA
R409
4.7K
R410
47K
FLASH-WRITE
P401
076-0478-59
R943 1K 5.0V
32
1 BUSY
R407 1K 5.0V 30
2 FLSH-RX
R406 1K 0V
29
FLSH-TX
3
R405 1K 5.0V
7
4 CNVSS
R404 JW 0V
5 VDD
6 GND
R403 1K 0V
31
SCLK
7
R402 1K 0.7V
39
8 EPM
R401 1K 5.0V 44
9 CE
SYS-ACC
RDS-CL1
RDS-DA1
B/T RESETP
CCT401
1Kx4
75 74 73 72 71 70 69 68 67 66 65 64
0V
M-HLD-MUTE
M-H MUTE
76
0V
M-T-AGC
77
0V
DSP-RST
78 DSP-RESET
M-SM 0V
79 M-T S-METER
5.0V
M-SMPL
M-T-SAMPLE
80
0V
M-HLD
M-T-HOLD
81
0V
82 N.C
0V
83 N.C
0V
N.C
84
0V
85 N.C
0V
R437
86 TEL-ON
1K
5.0V
CD-EJ
CD-EJ
87
5.0V
88 LOAD
R436 0V
LOAD
AUDIO-CPU
89 N.C
1K
0V
N.C
90
5.0V
INI-KEY
91
R429 10K 5.0V
92 REM-A
R428 10K 5.0V
93 REM-B
A-GND
94
95 N.C
96 VREF
AVCC
97
R427 100
5.0V
98 M-T SCL
R426 100 5.0V
99 M-T SDA
5.0V
DSP-PAUSE
100
DSP-PAUSE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
R424 100
X401
10M
8 7 6 5
E2PROM
1 2 3 4
- 21 -
SYS+5V
B/U+5V
C
63 62 61 60 59 58 57 56 55 54 53 52 51
5.0V
50
0V
49
N.C
4.9V
48
CD-ON
0V
50. P-IC STBY N.C 47
0V
N.C 46
0.8V
N.C 45
3.5V 44
N.C 44
0V
N.C 43
5.0V
N.C
42
5.0V
N.C 41
0V
N.C 40
0V 39
6CD-REQ
39
0V
N.C 38
0V
6CD-RESET 37
0V
N.C
36
IC402 0V
N.C
35
M30876FJBGP
0V
6CD-RX/MP3 CL 34
0V
6CD-TX/MP3 DA 33
0V 32
6CD-SLOT
32
0V 31
NDS-REQ1 31
5.0V 30
NDS-HU 30
5.0V 29
HU-NDS
29
R459 100
3.8V EEP-SDA
DSP/E2P SDA
28
DSP/E2P SCL 3.8V EEP-SCL
27
R458
N.C
26
100
R461
4.7K
21 22 23 24 25
R460
C
4.7K
SYS+5V
B/U+5V
4.9V 0V
OUT Cd
VDD
GND NC
IC404
S-80927CN
RESET
PN-3124N
L402
2.2uH
STBY
CD-EJ
LOAD
POW-SW
LCD-DO
6CD-REQ
LCD-CL
LCD-CE
6CD-RST LCD-DI
LCD-RST
VOL-3
6CD-RX/MP3 CL VOL-2
6CD-TX/MP3 DA VOL-1
6CD SLOT
R465
47K
DSP-SDA
DSP-SCL
IMB
5.0V
Q403
2SB709A
0V 3.9V
R470
47K
Q402
DTA114EUA
0V 0V
R468
10K
5.0V
SYS+5V
POW-CPU
IMMOBI
To page 22
GND
5/5
B/U+5V
ILL+
ILL-
LCD+B
B/L+B
6CD SLOT+B
P402
076-3011-72 J801
22 FL-GND 1
21 MINI-J-ON 2
0V
20 ILL- 3
0V
19 ILL+
4
18 5
6CD SLOT+B
8.9V
17 BL+B 6
4.9V
16
CD-EJ 7
4.9V
15 LOAD 8
4.9V
14 POW-SW 9
13 To page 15
N.C 10
J801 of
12 D-GND
11
Switch PWB
11 DISP-SW
12
9.0V
10
LCD+B 13
5.0V
9 SYS+5V
14
0V
8 CPU-LCD 15
0V
7 LCD-CLK 16
0V
6 17
LCD-CE
5.0V
5 LCD-CPU 18
5.0V
4 LCD-RST 19
5.0V
3
VOL-3 20
5.0V
2 VOL-2 21
0V
1 VOL-1 22