Block Diagram - Display/Key Control/Power Supply Section - Sony HCD-GRX9000 Service Manual

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

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