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HCD-XG60/XG500
7-4.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
FLUORESCENT INDICATOR TUBE DRIVER,
GRID DRIVE
Q605, 606
GRID DRIVE
43
GR-1
Q607
S601 – 607, 611 – 619, 621 – 627,
S701 – 710, 712 – 732, 741, 743 – 757
(S632 : AEP, UK)
S608
4
KEY POWER ON/OFF
KEY POWER
2
SAVE/DEMO
S609
POWER
SAVE/DEMO
SIRCS BUFFER
(STANDBY)
Q608, 609
REMOTE CONTROL
RECEIVER
1
SIRCS
IC702
ROTARY
74 JOG A
S763
ENCODER
(JOG DIAL)
75 JOG B
S763
S736
ROTARY
VOL A
9
ENCODER
VOLUME
10
VOL B
S736
BAND-PASS FILTER
KEY CONTROL
IC602
IC601
F02
BPF 0
17
16
F03
LINE
BPF 1
18
15
IN
F04
BPF 2
19
14
DET
B.P.F.
F05
20
13
BPF 3
F06
BPF 4
21
12
REC
LEVEL
REC IN
22
ALL BAND
11
DET
RESET
73
GUITAR DISTORTION 16
LED SEL
7
LED DRIVER
IC701
LED DAT
5
13
DATA
LED SCK
3
14
CLK
6
15
LED LATCH
STB
D601
LED DRIVE
LED STANDBY 77
Q601
I2C DATA
78
I2C CLK
79
WAKE UP
8
D-SW
80
S742
LID (CD)
72
70
OPEN/CLOSE
X601
12.5MHz
(Page 21)
(Page 21)
(Page 21)
F
G
E
4
6
B+ SWITCH
+5V (LED)
Q602, 603
Q604
CD A+5V (SW) ,
CD D+5V (SW)
CD MECHANISM
D611 – 614, 621, 622,
DECK SECTION
D700 – 710, 713 – 719,
B+
D741, 791
Q914
+5V (LED)
(PANEL SECTION B+)
D+5V (UNSW)
(RDS SECTION B+)
AU D+5V
M62493FP (IC101) B+
D+5V (SW)
(CD SENSOR SECTION B+)
SYSTEM CONTROLLER
CD MECHANISM
TC, PANEL,
CONTROL
IC501 (4/4)
30
IIC-DATA
29
IIC-CLK
CD-POWER
5
18
WAKE UP
(FM/AM TUNER UNIT B+)
POWER
2
(TC MOTOR SECTION B+)
(CD MOTOR SECTION B+)
STBY RELAY 43
22
22
EVER +5V
+5V
SYSTEM CONTROLLER (IC501) ,
REGULATOR
FL DRIVER (IC601) B+
IC901
TO FLUORESCENT
INDICATOR TUBE
(FL601)
POWER AMP (IC801),
PROTECT CIRCUIT
(XG500)
–35V
–35V
FL DRIVER (IC601)
REGULATOR
B–
Q903, 908
B+ SWITCH
Q913
+5V
B+ SWITCH
REGULATOR
Q911, 912
IC911
+7V
B+ SWITCH
A+7V
REGULATOR
Q901, 902
IC901
AUDIO
–7V
B– SWITCH
A–7V
REGULATOR
Q903 – 905
IC951
Q906
TUNER
+10V
ST +10V
B+ SWITCH
REGULATOR
Q931, 932
IC931
FAN MOTOR B+
TC M+12V
+7V
+12V
CD M+7V
REGULATOR
REGULATOR
IC933
IC932
SUB POWER
TRANSFORMER
T901
RECT
D902 – 905
POWER
TRANSFORMER
T951
VF
VF
+VL
RECT
D832
–VL
EXCEPT
+VH
RECT
XG60 : Mexican
D831
–VH
/XG500
(XG60)
VOLTAGE
SELECTOR
S901
AC IN
RECT
RY901
D841 – 844
POWER ON/OFF
RECT
RELAY DRIVE
D833 – 836
Q901
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