Sony PMC-DR50L Service Manual page 35

5-11. PRINTED WIRING BOARDS – CONTOROL SECTION –
r Refer to page 25 for Circuit Boards Location.
3
1 2
A
[CPU BOARD]
CN804
19
18
15
B
C854
C839
I
C853
10 R838 C834
C852
MAIN BOARD
R827
Q801
5 C851 E C B
CN804
R836
C850 C836
IC802
(Page 37)
C832
R837
2 C849 X801
1
C831
E C B
C848
Q802
C846
C833
C835
C845
C C837
C838
X802
45
50
R840
C825
51
C829
55
60
R856
D
R857
C857
R858
C858
CN802
C859 R859
18
10
C860 R860 17
15
J831
E
[DISPLAY BOARD]
F
18
10
17
15
CN802
RA801
44 43 40 35 30
S805
R869
DISPLAY
G
S804
TIMER
02
– 59 –
4 5 6
RB830
1 5 8
CN812
CN811
CN308
1 1
5 5
J809
6
RA805
J810 7
C809
3 C805
R834
C808
2
1
C824 C807
RA804
R825
J806
R816
R810
31 30
14
R815
35 13
25
40 R817
20
15 R821
10
10
R822
5
1 5
IC801
2
100
1
C812
65 95
R806
70 90
R805
75 85
80 R804
81
J822
J823
J826
CN801 J824
CN803
2 18 2
1
4
10 R802
1 19 1
5 15 5
J825
1-676-106-
M
JACK BOARD
CN312
(Page 35)
2 1
19
15 5
1
18 2
5 10
CN801 R865 R866
RA803
RA802
FL801
25 23 17 15 10 5 2 1
C894
R868 R867
S803 S802
S801
CLOCK SLEEP
STANDBY
1-676-105-
7 8 9
J
[CONTROL BOARD]
MAIN BOARD
CN811
(Page 37)
J851
1 5 8
Q809 Q810
S829
B B
CN807
S828
C C
LINE IN
K E E
ENTER/MEM
PGM SET
MAIN BOARD
CN812
(Page 37)
R891
S832
SUMMER
TIME
R893 TUNE TIME SET
R892
B
S831
MEGA BASS
R886
DSP BOARD
TAPE SWITCH BACK-LIGHT
CN806
D831 D834 D835
(Page 49)
S830
SOUND
S821 S820
D809
PRESET+ BAND
SOUND
RADIO SWITCH BACK-LIGHT
S833
CD OPEN/
D811 D814
CLOSE
6
R881
11
R880
(11)
D824 D825
D821
CD SWITCH BACK-LIGHT
[VOL BOARD]
3 2 1
S806
pC871
CN809
VOLUME+
pC870
1 4
RM801
L
MAIN BOARD
CN307
(Page 37)
11
(11)
– 60 –
10 11
MAIN BOARD JACK BOARD
CN304
CN304
(Page 37) (Page 35)
F
H
1 5
L803
CN304
1 5
S813
Q896 Q807 Q806 Q808
E B B E CN314 COUNTER
C C C C
S827
RESET
B E E B
PLAY MODE
MONO/ST ISS
S811 S812
DUBBING \ r/P
C151
R876
R151
S814
TAPE
R894
J855
DIR MODE
TAPE
J856
R251
R885
D832 D833 D836
S815
RADIO
RDS
S819
R884
PRESET–
D810
D815 D812 D813 D816
RDS
CD
S816
R883 R882
OPERATE
D822 D826 11
D823
1-676-107-
(11)
S807
VOLUME–
R870
1-676-103- (11)
R872
S808
SNOOZE
PMC-DR50L/DR70L
12
Semiconductor
r
Location
Ref. No. Location
D801 B-3
D802 B-3
D809 D-7
D810 D-11
D811 D-8
D812 D-9
D813 D-10
D814 D-9
D815 D-9
D816 D-10
D821 E-8
D822 E-9
D823 E-10
D824 E-9
D825 E-9
D826 E-10
D831 D-8
D832 D-9
D833 D-10
D834 D-9
D835 D-9
D836 D-10
D896 B-9
D936
JK151
2
IC801 C-4
IC802 B-3
Q801 B-2
Q802 C-2
Q806 B-10
Q807 B-10
Q808 B-11
Q809 B-8
Q810 B-8
Q896 B-10
11
Note:
• X : parts extracted from the component side.
• b : Pattern from the side which enables seeing.
– 61 –