Block Diagram - Display/Key Control/Power Supply Section - Sony HCD-GRX5 Service Manual

HCD-GRX5/RX66
7-4. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
FLUORESCENT INDICATOR TUBE DRIVE,
LED DRIVE, KEY CONTROL
DATA, CLK
DATA
F
24 SDA
CLK
23 SCL
(Page 23)
RESET
E
10 RESET
(Page 24)
BAND-PASS FILTER
IC603
F01 17 34 SPEANA-1
F02 16 35
SPEANA-2
F03 15 36 SPEANA-3
F04 14 37 SPEANA-4
SPEANA
D
4 LINE IN
L+R 13 32 L+R
(Page 23)
RST
18
31 SPEANA RESET
S604 – 610, 614 – 625,
S631 – 642, 656 – 659
REMOTE CONTROL
RECEIVER 33 SIRCS
IC602
ROTARY
21 JOG-A
S601
ENCODER
(JOG DIAL) 22 JOG-B
S601
S602
ROTARY
19 VOL-A
VOLUME ENCODER
20 VOL-B
S602
05
IC601
FLUORESCENT
INDICATOR TUBE
FL601
SWITCHING
GR13 53
Q621
SWITCHING
GR1 41
Q620
B+ SWITCH
D+5V
Q601, 602
Q603
L.SEL 25
LED DRIVE
D610, 612, 621 – 625,
Q604, 608 – 610,
D631 – 633, 651, 652
Q613 – 615, 618
D613, 616 – 618
8 9
X601
8MHz
– 25 –
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
CAPSTAN MOTOR DRIVE CIRCUIT,
TRIGGER PLUNGER DRIVE CIRCUIT B+
+10V +12V
+10V
REGULATOR REGULATOR
(FM/AM TUNER UNIT B+)
Q909 IC903
–30V
–30V
REGULATOR
FL DRIVER (IC601)
Q910
TO
VF1
FLUORESCENT INDICATOR TUBE
VF2
(FL601)
B+
POWER AMP
(IC801)
B–
G (Page 23)
H (Page 23)
POWER TRANSFORMER
T11
RECT
D901 – 904
RECT
D907, 908
RECT
D909, 910
Except E, Saudi Arabia,
Hong Kong, Singapore,
Taiwan, Indonesia models
AC IN
VOLTAGE
RECT
SELECT SWITCH
D800
S11
S11
VOLTAGE
SELECTOR
E, Saudi Arabia, Hong Kong, Singapore,
Taiwan, Indonesia models
– 26 –