43
KEH-3830R,3800R,3820R
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
Pin No.
Pin Name
I/O
Format
Function and Operation
62
rck
I
RDS clock input
63
dsens
I
Grille detach sense input
64
TELIN
I
Cellular mute input
65
asens
I
ACC power sense input
66
bsens
I
Back up power sense input
67
NC
Not used
68
VDD
VDD
69
X2
O
Oscillator output
70
X1
I
Oscillator input
71
IC
Connect to GND
72
XT2
Sub Clock terminal
73
TESTIN
I
Test program mode input
74
AVDD
A/D converter analog power supply (VDD)
75
AVREF0
I
A/D converter standard voltage input
76
SL
I
Signal level input
77
CL
I
Synchronizing signal input of display data latch
78
NL
I
Noise level input
79
MODELIN
I
Model select input
80
ALMUTE
O
C
Mute output for Detach alarm
80
1
20
21
40
41
60
61
*PD4974A
Format
Meaning
C
C MOS
N
N Channel open drain
*PD6278A
16
17
32
33
48
49
64
1
Summary of Contents for KEH-3800R
Page 4: ...4 KEH 3830R 3800R 3820R 2 2 EXTERIOR ...
Page 15: ...15 KEH 3830R 3800R 3820R 5 6 7 8 A B C D 5 6 7 8 B ER UNIT A ...
Page 16: ...16 KEH 3830R 3800R 3820R A 1 2 3 4 B C D 1 2 3 4 B KEH 3820R X1M GR FM AM TUNER UN B ...
Page 17: ...17 KEH 3830R 3800R 3820R 5 6 7 8 A B C D 5 6 7 8 B ER UNIT A ...
Page 18: ...18 KEH 3830R 3800R 3820R A 1 2 3 4 B C D 1 2 3 4 CAW1542 3 3 KEYBOARD UNIT C ...
Page 23: ...23 KEH 3830R 3800R 3820R 5 6 7 8 A B C D 5 6 7 8 A SIDE A B CN251 D ...
Page 24: ...24 KEH 3830R 3800R 3820R A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...
Page 25: ...25 KEH 3830R 3800R 3820R 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Page 27: ...27 KEH 3830R 3800R 3820R 1 2 3 4 A B C D 1 2 3 4 B SIDE B B FM AM TUNER UNIT ...
Page 29: ...29 KEH 3830R 3800R 3820R 1 2 3 4 A B C D 1 2 3 4 C C KEYBOARD UNIT CN601 A SIDE B ...
Page 41: ...41 KEH 3830R 3800R 3820R 7 GENERAL INFORMATION 7 1 PARTS 7 1 1 IC CXA2559Q ...
Page 45: ...45 KEH 3830R 3800R 3820R 7 1 2 DISPLAY CAW1542 COMMON SEGMENT ...
Page 47: ...47 KEH 3830R 3800R 3820R 7 3 BLOCK DIAGRAM KEH 3830R X1M EW B A D F E C ...