![background image](http://html.mh-extra.com/html/sony/hcd-grx5/hcd-grx5_service-manual_420726022.webp)
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– 26 –
HCD-GRX5/RX66
7-4.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
REGULATOR
CONTROL SWITCH
Q903
D914
D501, 502
D507
POWER
(Page 23)
G
CD-POWER
(Page 23)
H
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 UNIT 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
E, Saudi Arabia, Hong Kong, Singapore,
Taiwan, Indonesia models
Except E, Saudi Arabia,
Hong Kong, Singapore,
Taiwan, Indonesia models
B+
POWER AMP
(IC801)
POWER TRANSFORMER
T11
B–
+7V
TC, PANEL, AUDIO
–7V
VF1
TO
FLUORESCENT INDICATOR TUBE
(FL601)
VF2
REMOTE CONTROL
RECEIVER
IC602
SWITCHING
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
SWITCHING
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, 608 – 610,
Q613 – 615, 618
31 SPEANA RESET
KEY-0 – KEY-3
SPEANA-2
F01
F03
F04
L+R
RST
F02
GR1
(Page 24)
(Page 23)
D
DATA, CLK
(Page 23)
D610, 612, 621 – 625,
D631 – 633, 651, 652
D613, 616 – 618
SPEANA
41
L.SEL 25
GR13 53
SDA
SCL
DATA
CLK
RESET
RESET
35
23
24
10
34
15
14
4
13
16
17
26 – 29
SEG1 – SEG24
54 – 69, 72 – 70, 77 – 73
GR2 – GR12
42 – 52
LED1, LED5 – LED8,
LED13 – LED15
79, 3 – 6, 16 – 18
LED9, LED10
11, 12
S601
(JOG DIAL)
S604 – 610, 614 – 625,
S631 – 642, 656 – 659
S602
05
VOLUME
X601
8MHz
18
E
F
Summary of Contents for HCD-GRX5
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