Printed Wiring Boards - Amp Section - Sony PMC-DR50L Service Manual

PMC-DR50L/DR70L
– 62 –
5-12. PRINTED WIRING BOARDS – AMP SECTION –
2
1
r Semiconductor
Location
Ref. No. Location
[AMP IC BOARD]
D401 E-3 A
D402 E-2
18 15
D403 F-4
J510
D404 E-2 CN514
D501 F-7
7 5
D502 E-7
D503 E-7
D504 E-7
IC309 A-3
B
[AMP BOARD]
Q401 E-4
7 5
CN514
R184
C184
C
C284 C285
R183
CN504
SP101 J513
1
SPEAKER
2
R-CH
CN511
1
D 2
CN505
1
5
E
6
C411
C410
F
[SPEAKER BOARD]
CN511
1 2
G
J503
C506
H
+
–
SPEAKER OUT
L-CH
02
JK501
– 63 –
r Refer to page 26 for Circuit Boards Location.
3 4 5 6
1 IC309
10 5
C182 C282
CN513
1 7 5 1
11
(11)
1-676-252-
1 7 5 1
C185 CN513
C382
R381
C386
J511 R282
R281
R383
J501
C181
J512 CN510
C387
1
pC388
R181 3
C381
CN503
CN503
POWER OUT
1
TO
MAIN UNIT
G
5
JACK BOARD
CN311
7
(Page 35)
C412
C406
Q401
C405
E
C
B
D403
11
1-676-253-
(11)
3 1
CN510
C186
C286
J502
R502
R503
11
1-676-254- (11)
L R
SIGNAL INPUT
JK502
7 8 9
[POWER BOARD]
T501
POWER TRANSFORMER
*
CN505
1
5
* NOT REPLACEABLE:
6
BUILT IN TRANSFORMER
C505
F501
D504
LF501
C504
D503
C503
J521
D502
CNP501
C502 AC IN
D501
C501
11
1-676-255-
(11)
Note:
• X : parts extracted from the component side.
• : parts mounted on the conductor side.
p
• b : Pattern from the side which enables seeing.
– 64 –
10