Read Sony XR-4950X / XR-4954X Service Manual online
XR-4950X/4954X
21
21
7-2.
PRINTED WIRING BOARD – MAIN BOARD –
CN301
R500
(4954X)
(4950X)
D734
D721
D732
D733
D724
D722
D731
D723
C44
L
R
AUDIO
OUT
(REAR)
J1
(FM/AM ANTENNA)
TU1
A
SUB BOARD
WR801
WR801
(Page 24 )
S552
(NOSE SW)
S551
(RESET)
1-676-600-
11
1
5
10
13
RED
BLK
WHT
BLK
WHT
WHT
WHT
WHT
WHT
WHT
WHT
RED
MECHANISM
BLOCK
M
M901
CAPSTAN
REEL MOTOR
J561
REMOTE IN
F781
IC751
1
15
25
2
10
20
L781
LIGHT BLUE
(L)
1
2
2
7
3
5
6
6
4
(R)
FWD
(L)
(R)
REV
HP901
(PLAYBACK)
(4950X)
S501
(FREQUENCY
SELECT)
9 kHz
10 kHz
YEL
BLK
• Semiconductor
Location
D1
D-8
D31
F-4
D51
D-12
D351
H-11
D352
G-12
D501
I-7
D551
F-11
D552
F-11
D553
I-9
D554
F-11
D571
D-8
D572
D-8
D581
E-11
D588
E-8
D591
E-10
D601
I-12
D610
D-9
D611
D-9
D613
C-9
D614
D-9
D621
D-5
D622
D-6
D624
D-7
D701
J-4
D702
J-4
D703
J-5
D704
J-5
D705
I-3
D706
J-5
D707
I-3
D708
I-2
D709
I-3
D721
C-8
D722
C-7
D723
B-6
D724
C-8
D731
C-7
D732
C-8
D733
C-8
D734
C-8
D781
C-11
IC301
H-4
IC331
D-4
IC351
H-12
IC501
G-7
IC551
J-10
IC611
E-12
IC751
B-7
Q11
E-2
Q21
E-2
Q31
F-6
Q171
C-4
Q181
C-4
Q271
C-5
Q281
C-5
Q351
G-11
Q352
H-11
Q353
G-11
Q354
G-11
Q551
H-10
Q571
D-7
Q581
E-10
Q583
E-8
Q591
E-10
Q592
E-10
Q601
I-12
Q602
I-12
Q621
D-6
Q622
E-7
Q631
J-5
Ref. No.
Location
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