Sony HCD-VR50 Service Manual page 24

HCD-VR50/VR70
Q Q
3 7 6 3 1 5 1 5 0
– DISPLAY SECTION –
F
(Page 24)
MAIN (1/2) SECTION
MAIN (2/2) SECTION
T E
L 1 3 9 4 2 2 9 6 5 1 3
J
(Page 25)
K
(Page 30)
POWER SECTION
MAIN 1 SECTION
D
(Page 24)
09
w w w
X601
12.5MHz
RESET
DATA
CLOCK
WAKE UP
A –7V
REC LEVEL
D671 – D675
A +7V
OUTPUT
DISPLAY CONTROL (FOR MIC)
IC603
REC LEVEL 11
MIC–SIG 3 LINE NF F06 12
SPE–ANA 4 LINE IN F05 13
6 REC IN F04 14
5 REC NF F02 16
17
F01
x a o
. i
– 31 –
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DISPLAY CONTROL
IC601
SIRCS 1
2
JOG A
JOG B 8
LED SCK 3
LED LATCH 4
LED DAT
5
70 X IN
72 X OUT
D-SW 80
73
RESET
LED SEL 7
78 I 2 C DATA
Q Q
79 I 2 C CLK
3 7 6
22
WAKE UP
VOLUME A 9
10
VOLUME B
11
KEY 0
KEY 4 15
21
ALL BAND
20 BPF 4
DAILY LED 74
19 BPF 3
REC LED 75
18 BPF 2
77
LED-EC0
17 BPF 1
16 BPF 0
GR-1 43
GR-15 28
27
GR-16
SEG-1 23 GR-3 14, 2
45 67 29 40, 42
FLUORESCENT INDICATOR TUBE
FL601
VF
u 1 6 3
y
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2 4
8 9 9
REMOTE
CONTROL
RECIEVE
IC602
S702
JOG
SERIAL
PARALLEL
ROTARY
CONVERTER
ENCODER
IC604
D611 – D612, D615, D616, D618 – D621,
D623 – D627, D635 – D638
14 CLK P3 1
15 STB P5 5
• •
P7 7
13 DATA
P11 9
• •
P12 20
D700
P14 22
S691
P1 17
6
• •
P2
OPEN 19
D631, D632
Q601 – Q603
LED POWER
D604 – D607 D604 – D607
SWITCH
S701
3 1 5 1 5 0 8 9
VOLUME
ROTARY
ENCODER
KEY MATRIX
Q605 – Q607
LED DRIVER
D601 – D603
Q608 – Q610
DRIVER
m
c o
.
– 32 –
2
8 9 9
2 4 9 8 2 9 9