22
KEH-P490,P4900,P4950
1
2
3
4
1
2
3
4
D
C
B
A
3.5 CASSETTE MECHANISM MODULE
DECK UNIT
MUTE
CXA2559Q
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
1
2
3
4
5
6
7
8
9
10
R256 220
R287
0R0
C273
22/16
R283 0R0
R284 0R0
R282 0R0
C253 330P
C254 330P
C252 330P
C251 330P
R281 0R0
R255 220
C256
R01
R258
1K
R301
18K
R273
1K
R274
1K
R271
1K
R272
1K
R323
0R0
R257
1K
C255
R01
C272 R1
C313
100P
R286
0R0
R285
0R0
HD1
HEAD ASSY
EXA1506
TEST TAPE
NCT-150
(400Hz, 200nWb/m)
RL
RR
FR
FL
C302
R1
C301
R1
R304
R302
16K
16K
R305
16K
R303
16K
-6dBs(388mV)
±
1dB
Fwd-R
Fwd-L
Rev-R
Rev-L
PBFB2
PBRIN2
PBGND
PBFIN2
VCT
PBREF
PBFIN1
PBGND
PBRIN1
PBFB1
PBTC1
PBOUT1
OUTREF1
TAPEIN1
VCC
LINEOUT1
TCH1
MSLPF
MSMODE
DRSW
TAPESW
MUTESW
MSOUT
MSTC
G1FB
G2FB
PBTC2
PBOUT2
OUTREF2
TAPEIN2
GND
DIREF
LINEOUT2
TCH2
MSSW
CN252
CN251
EQ AMP
IC251
D
D
CN602
A
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 ...