33
KEH-1800,1830
7. GENERAL INFORMATION
7.1 PARTS
7.1.1 IC
SN761029DL
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
VCC
AVcc
IN1-R
IN1-L
IN2-R
IN2-L
IN3-R
IN3-L
IN4(+)-R
IN4(+)-L
IN4(-)-R
IN4(-)-L
AGND
AGND
SWout-R
SWout-L
ZCin-R
ZCin-L
LOUD-R
LOUD-L
VRin-R
VRin-L
TREB-R
TREB-L
BASS-C1-R
BASS-C1-L
BASS-R-R
BASS-R-L
BASS-C2-R
BASS-C2-L
NC
NC
TONEout-R
TONEout-L
FADERin-R
FADERin-L
FRNTout-R
FRNTout-L
REARout-R
REARout-L
DVcc
VREFin
DATA
AGND
CLK
DGND
STB
Ct
3 Line Serial Bus
Bass
Treble
Volume,
Loudness
Fader
Gain
Adjust
Isolator
Zero-cross
Detector
Power
Supply
Bass
Treble
Volume,
Loudness
Fader
Gain
Adjust
Isolator
Power
Supply
A
A
Summary of Contents for KEH-1800
Page 4: ...4 KEH 1800 1830 2 2 EXTERIOR ...
Page 7: ...7 KEH 1800 1830 ...
Page 8: ...8 KEH 1800 1830 2 3 CASSETTE MECHANISM ASSY ...
Page 12: ...12 KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 FM AM TUNER UNIT TA A a A a A b B ...
Page 13: ...13 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 CASSETTE PCB TAPE 24dBs A a A a A b D D ...
Page 15: ...15 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 KEYBOARD UNIT CLOCK B LOUD PGM ATT A b A a A b C C ...
Page 16: ...16 KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 3 2 FM AM TUNER UNIT B 3 1 2 FM AM TUNE B ...
Page 17: ...17 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 B TUNER UNIT A ...
Page 19: ...19 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 D A 2 1 3 IP BUS CN1 B SIDE A ...
Page 20: ...20 KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...
Page 21: ...21 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Page 22: ...22 KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 4 2 FM AM TUNER UNIT B SIDE A B A FM AM TUNER UNIT ...
Page 23: ...23 KEH 1800 1830 1 2 3 4 A B C D 1 2 3 4 B SIDE B B FM AM TUNER UNIT ...
Page 36: ...36 KEH 1800 1830 PA4023B ...
Page 37: ...37 KEH 1800 1830 7 1 2 DISPLAY CAW1513 SEGMENT COMMON ...
Page 39: ...39 KEH 1800 1830 7 3 BLOCK DIAGRAM KEH 1800 X1M EW A B D C ...