Cassette Mechanism Module - Pioneer keh-p4900 Service Manual

1
KEH-P490,P4900,P4950
QQ
3 7 63 1515 0

3.5 CASSETTE MECHANISM MODULE

A
RL
B
RR
FR
FL
HD1
HEAD ASSY
TE
EXA1506
L 13942296513
TEST TAPE
NCT-150
(400Hz, 200nWb/m)
C
www
D
D
22
1
http://www.xiaoyu163.com
2
D
DECK UNIT
CN252
C253 330P
Rev-L
R283 0R0
C254 330P
Rev-R
R284 0R0
Fwd-R
R282 0R0
C252 330P
Fwd-L
C251 330P
x ao
. i
2
http://www.xiaoyu163.com
3
C256 R258
R01
1K
R256 220
31
PBFB2
32
PBRIN2
33
PBGND
34
PBFIN2
C273
R287 35
VCT
0R0 36
22/16
PBREF
R281 0R0 37
PBFIN1
38
PBGND
39
PBRIN1
R255 220 40
PBFB1
Q Q
3 6 7
C255
R257
R01
1K
C272 R1
CN251
-6dBs(388mV)±1dB
u163
y
3
4
2 9 9 4
8
20
MSMODE
19
DRSW
18
IC251
TAPESW
17
MUTESW
16
CXA2559Q
15
14
MSOUT
13
MSTC
EQ AMP
12
G1FB
11
G2FB
1 3 1 5 0 5 8 2 9
A
m
co
.
4
2 8
9 9
R273 1K
R272 1K
R290
R271 1K
R274 1K
C403
R403
C402
3900P
C401
9 4 2 8 9 9 R33
CN602