Sony MD Walkman MZ-R5ST, Service Manual

Page: 38 / 72

MZ-R5ST
6-6. PRINTED WIRING BOARD — MD MAIN SECTION —
— 45 — — 46 — — 47 — — 48 —
MAIN BOARD
(COMPONENT SIDE)
MAIN BOARD
(CONDUCTOR SIDE)
1-667-217-
11
1-667-217-
11
CLV BOARD
CN701
REC BOARD
CN401
(Page 41)
A
STATION CN
BOARD
CN657
(Page 69)
B
SW UNIT
(Page 72)
G
(CHASSIS)
1
22
11
12
1
9
1 10 25
100
76
26
25
1
1 4
5 8
1
1
1
1 2
4
3
3
4 6
1 3
4 6
1 3
4
6
14
4
5 8
8 7
51
75
50
100 76
25
26
1
51
75
50
1
1
1
12
13 24
25
36
37
48
1
1
13 54
3
54
8
16 9
1 3
4
4 4
8
8
5
5 5
IC301
C899
C304
ON
OFF
S818
HOLD
S817
(OPEN1)
D803
REC
R861
R838
1 2
3
1
3 1
1
1
1
15
16 30
10
22
1
8
16
9
12
36 25
13
24
48
37
3
6 4
4 6
1
1
10
10 18
19 36 25
20
C829
1
1 3
10
11 15 16 20
5
5 4
1 3
5 4
6
IC509
1
1
12
12 24
25
36
37 48
1 3
4 6
22
20
10
1
1
2
4
4
5
3
3
(CHASSIS)
S809
CLOCK SET
S811
AVLS
S811
DIGITAL
MEGA
BASS
OFF
ON
0
1
2
MIC SENS
LOW HIGH
J301
MIC
(PLUG IN POWER)
J302
REMOTE
C359
C225
C125
Q301
C305
R382
R383
C544
R584
C814
C101
C201
D304
C756
POWER BOARD
CN805
(Page 71)
F
MINI DISC
OPTICAL PICK- UP
(KMS-280A/J2N)
LCD801
LIQUID CRYSTAL
DISPLAY
C124
16
1 2
A
B
C
D
E
F
3 4 5 6 7 8 9 10 11 12
C901
R585
R830
R825
R831 R803
RB808
Ref. No. Location
D302 B-5
D303 B-4
D304 E-8
D501 D-10
D502 E-10
D803 A-2
D804 C-8
D806 D-7
D807 D-9
D808 D-9
IC301 D-4
IC302 D-5
IC303 C-5
IC305 B-8
IC306 A-8
IC501 B-11
IC503 B-10
IC505 D-10
IC506 E-11
IC509 C-10
IC510 B-11
IC511 C-9
IC512 C-9
IC702 E-11
IC801 D-9
IC802 D-8
IC803 E-9
IC804 D-5
IC805 B-4
IC807 D-8
IC811 E-10
Q101 D-5
Q201 D-4
Q301 C-8
Q311 B-7
Q313 B-8
Q314 C-8
Q502 C-10
Q503 A-11
Q504 C-9
Q505 E-11
Q801 E-10
Q806 E-4
Q809 E-4
Q810 E-4
• Semiconductor
Location
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
¢
: internal component.
• The MAIN board has the four-layer structure. However the
2nd and the 3rd layer patterns are not shown.
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side) the parts face are indicated.
• Refer to page 34 for Circuit Boards Location.