Sony HCD-VR50 - Main (2;2) Section

HCD-VR50/VR70
– 25 –
– 26 –
– MAIN (2/2) SECTION –
30
29
I
2
C-CLK
I
2
C-DATA
VIDEO
SECTION
N
MAIN CONTROL
IC501 (2/2)
1
27
93
18
29
30
81
80
84
82
83
86
85
87
88
90
89
100
91
1
27
93
STK-POWER
PROTECT
HP MUTE
18
29
30
WAKE UP
IIC-CLK
IIC-DATA
93
1
27
29
30
18
STK POWER
PROTECT
HP MUTE
DATA
CLOCK
WAKE UP
FAN DETECTOR
D405-409
IC933
M+7V (UNSW)
PL A+10V
7V
ST +10V
TC MOTOR+12V
FAN
1 3
1 3
+10V
REG
+12V
REG
IC931
IC932
FAN SWITCH
Q961, 963
+UNREG, 12V
FAN901
2
Q931
SWITCH
Q932
SWITCH
+7V
REG
1 3
A–7.5V
–V BIAS
2 3
–7V
REG
IC951
UN–10V
Q931
SWITCH
Q932
SWITCH
Q932
SWITCH
1 3
+7V
REG
IC901
UN+10V
2
Q901
SWITCH
Q902
SWITCH
2
DETECTOR
Q905
TC–7V
–7V
–7
(LED–7V)
A+7.5V
+V BIAS
TC–7V
–7V
–7
(LED+7V)
1 3
+5V
REG
IC911
LED 5V
LED 5V
D+5V UNSW
2
Q901
SWITCH
Q902
SWITCH
5V
AU D+5V
Q913
SWITCH
D+5V (SW)
A+5V (SW)
EVER +5V
Q921
SWITCH
CD D+5V SW
CD A+5V SW
(CD D+5V SW)
(CD A+5V SW)
(D+5V SW)
1 3
+5V
REG
IC921
5
Q914
SWITCH
POWER
SECTION
POWER
SECTION
I
DISPLAY
SECTION
J
72
69
75
73
74
77
76
78
79
63
56
SENS
SENS
61
65
68
50
49
52
51
53
54
59
XRST
X-RST
55
BIAS
REC-MUTE
ALC
EQ-H/N
PB-A/B
A-PLAY-SW
B-PLAY-SW
A-HALF
B-HALF
A-SHUT
B-SHUT
TC-RELAY
A-TRG
B-TRG
CAP-M-H/L
CAPM-CNT 2
CAPM-CNT 1
TC-MUTE
AMS IN
R/PB/PAS
NR-ON/OFF
DISC-SENS
TBL-R
TBL-L
ENC 3/UP-SW
ENC 2/DISC-LED
STEREO
ST-MUTE
ST-CE
TUNED
ST-DOUT
ST-DIN
ST-CLK
36
H/P IN
5
CD-POWER
2
POWER
10
XC-IN
11
XC-OUT
13
X-OUT
15
X-IN
IC781
OPTIC
TRANSMITTING
D.OUT
BIAS ON/OFF
RM ON/OFF
ALC ON/OFF
NORM/HIGH
PB A/B
A PLAY
B PLAY
A-HALF
B-HALF/REC A/REC B
A SHUT
B SHUT
RELAY
A TRG
B TRG
CAP-M-H/L
CAPM-CNT 2
CAPM-CNT 1
LM ON/OFF
MS OUT
REC/PB/PASS
NR ON/OFF
DISC.SENS
TBL.R
TBL.L
ENC 3
ENC 2
STEREO
ST-MUTE
ST-CE
TUNED
ST-DOUT
ST-DIN
ST-CLK
HP.SW
POWER
SECTION
H
BD (CD)
SECTION
C
VIDEO
SECTION
P
(Page 28)
DECK
SECTION
B
X501
32.768kHz
X502
16MHz
L
09
(Page 30)
(Page 20)
(Page 22)
(Page 29)
(Page 28)
(Page 31)
(Page 29)
FM/AM TUNER
TUNER UNIT IS
SUPPLED AS THE
ASSEMBLED
BLOCK
• R CH : Same as L ch
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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