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HCD-GRX9000/RX900
7-6.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
– 31 –
– 32 –
REGULATOR
CONTROL SWITCH
Q903
D914
D501, 502
D507
POWER
(Page 27)
L
CD-POWER
(Page 27)
M
D405 – 407
D+5V
AUDIO D+5V
B+
SWITCH
Q905, 906
–30V
REGULATOR
Q910
–30V
FL DRIVER (IC601)
CAPSTAN MOTOR DRIVE CIRCUIT,
TRIGGER PLUNGER DRIVE CIRCUIT B+
RECT
D909, 910
+12V
REGULATOR
IC903
+10V
REGULATOR
Q909
–7V
REGULATOR
Q914, 951, 952
+7V
REGULATOR
Q901, 902, 913
+10V
(FM/AM TUNER CIRCUIT B+)
+7V
REGULATOR
IC901
+7V
(CD M+7V)
+5V
REGULATOR
IC902
CD MECHANISM DECK
SECTION B+
B+
SWITCH
Q907, 908
SYSTEM CONTROLLER
(IC501) B+
RECT
D907, 908
RECT
D901 – 904
RECT
D800
VOLTAGE
SELECT SWITCH
S11
VOLTAGE
SELECTOR
S11
AC IN
B+
POWER AMP
(IC801, 821)
POWER TRANSFORMER
T11
B–
+7V
TC, PANEL, AUDIO
–7V
FAN MOTOR B–
VF1
TO
FLUORESCENT INDICATOR TUBE
(FL601)
VF2
REMOTE CONTROL
RECEIVER
IC602
GRID DRIVE
Q621
FLUORESCENT INDICATOR TUBE DRIVE,
LED DRIVE, KEY CONTROL
IC601
FLUORESCENT
INDICATOR TUBE
FL601
BAND-PASS FILTER
IC603
Q603
D+5V
SPEANA-1
36 SPEANA-3
37 SPEANA-4
GRID DRIVE
Q620
32 L+R
LINE IN
33 SIRCS
ROTARY
ENCODER
S601
ROTARY
ENCODER
S602
21 JOG-A
19 VOL-A
22 JOG-B
20
8
9
VOL-B
X-OUT
X-IN
B+ SWITCH
Q601, 602
LED DRIVE
Q604, 607 – 610,
Q613 – 615, 618
KEY-0 – KEY-3
SPEANA-2
F01
F03
F04
L+R
F02
GR1
(Page 28)
(Page 27)
J
DATA, CLK
(Page 27)
D610, 612, 620 – 625,
D631 – 633, 651, 652
D613 – 618
SPEANA
41
L.SEL 25
GR13 53
SDA
SCL
DATA
CLK
RESET
RESET
35
23
24
10
34
15
14
4
13
31 SPEANA RESET
RST 18
16
17
26 – 29
SEG1 – SEG24
54 – 69, 72 – 70, 77 – 73
GR2 – GR12
42 – 52
LED1, LED5 – LED8,
LED12 – LED15
79, 3 – 6, 15 – 18
LED9, LED10
11, 12
S601
(JOG DIAL)
S604 – 625, 631 – 642,
S656 – 659
S602
05
=
↔
+
DJ MIX
VOLUME
X601
8MHz
N
K
(Except East European, CIS models)
(East European, CIS models)