Sony DPP-MS300 Marketing, Service Manual

Page: 49 / 88

DPP-MS300
5-47 5-48
5-22. PRINTED WIRING BOARDS – HP-40/JD-40/MD-40/RD-40 Boards – •
See page 5-14 for Circuit Boards Location.
1-674-238-
(11)
11
MD-40 BOARD
(SIDE B)
G
JD-39 BOARD
CN1861
I
RD-39 BOARD
CN1871
M
M901
(HEAD FAN)
M
M902
(HEAD)
1
14
7
8
1
14
7 8
18
1
9 8
E
C
B
05
A
B
C
D
E
F
G
H
1 2 3 4
M
M904
(PLATEN)
AC IN
HEAD901(2/2)
THERMAL
HEAD
POWER
BLOCK
POWER
ON OFF
M
M901
(HEAD FAN)
E
1-674-238-
05
(11)
11
MD-40 BOARD
(SIDE A)
H
HP-40 BOARD
CN1851
E
DK-40 BOARD
CN501
M903
(RIBBON)
K
K
A
B
C
E
E B
C
FP-703 FLEXIBLE BOARD
1-661-553-
11
PH903
RIBBON MARK1
SENSOR
PH902
RIBBON MARK0
SENSOR
PAPER EDGE
SENSOR
PH901
1-661-554-
11
(FOR CHECK)
1-661-522-
11
PH905
RIBBON CODE1
SENSOR
PH906
RIBBON CODE2
SENSOR
PH902 PH903
PH904
PH905
PH906
PH904
RIBBON CODE2
SENSOR
1 2 3 4
A
B
C
D
E
F
G
H
FP-702 FLEXIBLE
BOARD
M
FP-700
FLEXIBLE
BOARD
1-674-241-
05
(11)
11
RD-40 BOARD
I
MD-40 BOARD
CN1932
S1871
(RIBBON DOOR DETECT)
1-674-239-
05
(11)
11
HP-40 BOARD
H
MD-40 BOARD
CN1931
PH1851
HEAD POSITION1
SENSOR
PH1852
HEAD POSITION0
SENSOR
PH1852
PH1851
1-674-240-
05
(11)
11
JD-40 BOARD
(SIDE B)
G
MD-40 BOARD
CN1935
PH1861
PH1861
JAMMING DETECT
SENSOR
1-674-240-
05
(11)
11
JD-40 BOARD
(SIDE A)
• Semiconductor
Location
(Side A)
Ref. No. Location
D1901 F-4
D1903 H-3
Q1900 F-4
Q1903 B-4
• Semiconductor
Location
(Side B)
Ref. No. Location
IC1900 H-3
IC1901 E-2
IC1902 F-4
IC1903 F-3
Q1902 E-4
(Page 5-48)
(Page 5-48)
(Page 5-48)
(Page 5-47)
(Page 5-47)
(Page 5-47)
(Page 5-24)