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KEH-P490,P4900,P4950
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Vref
IN1_L
IN2_L
IN3_L
IN4+_L
AGND Loud-
out_L
SVin_L
Front-
out_L
Rear-
out_L
FIE_L
DGND
IN4-_L
CLK
VCC
IN1_R
IN2_R
IN3_R
IN4+_R
AGND
Loud-
out_R
SVin_R
Front-
out_R
Rear-
out_R FIE_R
STB
IN4-_R
DATA
Isolator
circuit
Primary
volume
Anti Alias
filter
Treble
Anti radiation
filter
Middle
Bass
Loudness
volume
FIE
Fader
volume
Secondary
volume
Zero cross
detect circuit
Primary
volume
Anti Alias
filter
Middle
Treble
Bass
Isolator
circuit
Anti radiation
filter
Loudness
volume
Zero cross
detect circuit
Fader
volume
Secondary
volume
FIE
Digital block
Auto-Zero
Auto-Zero
7.2 PARTS
7.2.1 IC
CXA2559Q
PML003AM
Summary of Contents for KEH-P490
Page 6: ...6 KEH P490 P4900 P4950 CASSETTE MECHANISM MODULE ...
Page 13: ...6 KEH P490 P4900 P4950 2 3 CASSETTE MECHANISM MODULE ...
Page 15: ...8 KEH P490 P4900 P4950 ...
Page 18: ...CEK1136 TUNER AMP UNIT A 11 KEH P490 P4900 P4950 5 6 7 8 5 6 7 8 D C B A A b A ...
Page 19: ...FM AM TUNER UNIT B 12 KEH P490 P4900 P4950 1 2 3 4 1 2 3 4 D C B A A a A a A b 1 ...
Page 20: ...13 KEH P490 P4900 P4950 5 6 7 8 5 6 7 8 D C B A KEYBOARD UNIT DECK UNIT C D A a A a A b 2 3 ...
Page 21: ...14 1 2 3 4 1 2 3 4 D C B A A a A b A b KEH P490 P4900 P4950 CEK1136 TUNER AMP UNIT A 1 ...
Page 22: ...15 KEH P490 P4900 P4950 5 6 7 8 5 6 7 8 D C B A A b A a A b 2 3 ...
Page 24: ...17 KEH P490 P4900 P4950 5 6 7 8 5 6 7 8 D C B A B ER UNIT IFC A ...
Page 26: ...19 KEH P490 P4900 P4950 5 6 7 8 5 6 7 8 D C B A R UNIT IFC A B ...
Page 27: ...20 KEH P490 P4900 P4950 1 2 3 4 1 2 3 4 D C B A C 3 4 KEYBOARD UNIT ...
Page 32: ...25 KEH P490 P4900 P4950 5 6 7 8 5 6 7 8 D C B A A SIDE A CN251 D B ANTENNA IP BUS ...
Page 33: ...26 KEH P490 P4900 P4950 1 2 3 4 1 2 3 4 D C B A A TUNER AMP UNIT A ...
Page 34: ...27 KEH P490 P4900 P4950 5 6 7 8 5 6 7 8 D C B A A SIDE B ...
Page 36: ...29 KEH P490 P4900 P4950 1 2 3 4 1 2 3 4 D C B A B SIDE B FM AM TUNER UNIT B ...
Page 54: ...47 KEH P490 P4900 P4950 7 2 2 DISPLAY CAW1563 SEGMENT COMMON ...