Main (2/2) Section - Sony HCD-DR4 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
– MAIN (2/2) SECTION –
H
HP.SW 36
POWER
SECTION
IC781
(Page 30,
OPTIC
TRANSMITTING
32)
D.OUT
SCOR 19
SQ-DATA 32
SQ-CLK 33
CD-DATA 35
CD-CLK 37
SENS 56
HOLD 57
A
X-LAT 58
X-RST 59
BD (CD)
TRAY.SENS 61
SECTION
63
(Page 22) TBL.L
TBL.R 65
UP SW 68
LED
69
B TRG 72
A TRG 73
T E
CAPM-CNT 2 74
L 1 3 9 4 2 2 9 6 5 1 3
75
CAPM-CNT 1
CAP-M-H/L 76
MS OUT 77
LM ON/OFF 78
79
REC/PB/PASS
NR ON/OFF 80
RM ON/OFF 81
B
BIAS ON/OFF 82
NORM/HIGH 83
PB A/B 84
DECK
ALC ON/OFF 85
SECTION
B PLAY 86
(Page 24)
A PLAY 87
A-HALF 88
B-HALF/REC A/REC B 89
B SHUT 90
A SHUT 91
RELAY 100
20
RDS-INT
RDS-DATA 21
ST-MUTE 49
FM/AM TUNER
STEREO 50
TUNER UNIT IS
SUPPLED AS THE
TUNED 51
ASSEMBLED
ST-CE 52
BLOCK
ST-DOUT 53
ST-DIN 54
ST-CLK 55
• R CH : Same as L ch
09
w w w
.
MAIN CONTROL
IC501 (2/2)
W300,W5000,XB500
1 43
STK-POWER 1 POWER
42
H/P IN ECO
93
HP MUTE
1
STK POWER
27 27
PROTECT 27 PROTECT
42
42
FL OFF
43
STBY RELAY 43
93
HP MUTE 93
SCOR
SQ-DATA
18 30
SQ-CLK
WAKE UP 18 DATA
29
29
CD-DATA
IIC-CLK 29 CLOCK
18
30
CD-CLK
IIC-DATA 30 WAKE UP
SENS
HOLD
XLT
XRST
DISC-SENS
TBL-L
TBL-R
ENC 3/UP-SW
ENC 2/DISC-LED
B-TRG
A-TRG
CAPM-CNT 2
CAPM-CNT 1
CAP-M-H/L
AMS IN
TC-MUTE
R/PB/PAS
NR-ON/OFF
REC-MUTE
X501
BIAS
XC-IN 10
EQ-H/N
PB-A/B
XC-OUT 11
ALC
X502
B-PLAY-SW
16MHz
A-PLAY-SW
X-OUT 13
A-HALF
B-HALF
X-IN 15
B-SHUT
A-SHUT
TC-RELAY
RDS-INT
RDS-DATA
ST-MUTE
STEREO
TUNED
POWER 2
ST-CE
ST-DOUT
ST-DIN
CD-POWER 5
ST-CLK
x a o
y
i
– 27 –
http://www.xiaoyu163.com
8
IC931
+10V
+UNREG, 12V 1 3
REG
I
IC932
POWER
+12V
1 3
SECTION
REG
(Page 29, 31)
FAN DETECTOR
D405-409
IC951
J
–7V
UN–10V
2 3
REG
DISPLAY
SECTION
(Page 33)
2
Q932
SWITCH
DETECTOR
IC901
+7V
UN+10V 1 3
Q Q REG
3 7 6 3
IC911
+5V
1 3
REG
Q914
SWITCH
5
IC921
+5V
1 3
REG
u 1 6 3
.
http://www.xiaoyu163.com
HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500
2 4
9 9 8
Q931
SWITCH
PL A+10V
ST +10V
2
Q932
SWITCH
FAN901
FAN
FAN SWITCH
Q961, 963
TC MOTOR+12V
IC933
+7V
1 3 M+7V (UNSW)
REG
7V
Q931
SWITCH
A–7.5V
–V BIAS
Q932
SWITCH
(LED–7V)
–7
Q905
TC–7V
–7V
Q901
SWITCH
A+7.5V
1 5 1 5 0 8 9 2 4
+V BIAS
2
Q902
SWITCH
(LED+7V)
–7
TC–7V
–7V
LED 5V
LED 5V
D+5V UNSW
Q901
SWITCH
(D+5V SW)
5V
AU D+5V
2
Q902
SWITCH
L
EVER +5V
Q913
SWITCH POWER
(CD D+5V SW)
SECTION
D+5V (SW)
A+5V (SW)
(CD A+5V SW)
CD D+5V SW
Q921
m CD A+5V SW
SWITCH
c o
– 28 –
2
9 9
9 8 2 9 9
(Page 29, 31)