Manual - Pioneer KEH-P690 Service Manual

1
KEH-P690,P6950
QQ
3 7 63 1515 0
3.4 CASSETTE MECHANISM MODULE
A
RL
RR
FR
B
FL
HD1
HEAD ASSY
EXA1589
TEST TAPE
NCT-150
(400Hz, 200nWb/m)
TE
L 13942296513
C
www
D
E
18
1
http://www.xiaoyu163.com
2
E
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
y
. i
2
http://www.xiaoyu163.com
3
8
C256
R258
R01
1K
R256 220 31
PBFB2
32
PBRIN2
33
PBGND
34
PBFIN2
C273
R287
35
VCT
0R0 36
22/16
PBREF
37
R281 0R0
PBFIN1
38
PBGND
39
PBRIN1
R255 220 40
PBFB1
C255
R257
Q Q
3 6 7
R01
1K
C272 R1
CN251
-6dBs(388mV)±1dB
u163
3
4
2 9 9 4
20
MSMODE
19
DRSW
18
IC251
TAPESW
17
MUTESW
16
CXA2560Q
NRSW
15
14
EQ AMP,
MSOUT
13
MSTC
DOLBY B NR
12
G1FB
11
G2FB
1 3 1 5 0 5 8 2 9
A
CN602
m
co
.
4
2 8
9 9
R273 1K
R272 1K
R290
R271 1K
R274 1K
C403
R403
C402
3900P
C401
R33
9 4 2 8 9 9