Block Diagram - Display/Key Control/Power Supply Section - Sony HCD-GRX7 Service Manual

HCD-GRX7/GRX7J/R700/RX77/RX77S
7-6. 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 29)
RESET
E
10
RESET
(Page 30)
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 29)
S611 – 613; GRX7/GRX7J/RX77: Canadian only,
S655; AEP, UK, German models only
S604 – 625, 631 – 642,
S655 – 659
REMOTE CONTROL
33 SIRCS
RECEIVER
IC602
S601
(JOG DIAL)
ROTARY
21 JOG-A
= +
ENCODER
22 JOG-B
S601
DJ MIX
S602 ROTARY
19 VOL-A
ENCODER
VOLUME
20 VOL-B
S602
05
IC601
FLUORESCENT
INDICATOR TUBE
FL601
GRID DRIVE
GR13 53
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
(D620, Q607; GRX7/GRX7J/RX77: Canadian only)
8 9
X601
8MHz
– 31 –
CD-POWER
B+
CD MECHANISM DECK
SWITCH
SECTION B+
Q907, 908
B+
AUDIO D+5V SWITCH
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
(GRX7/GRX7J/RX77: Canadian)
–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)
POWER
G
(Page 29)
H
(Page 29)
POWER TRANSFORMER
T11
RECT
D901 – 904
RECT
D907, 908
RECT
D909, 910
Except E, Saudi Arabia, Malaysia, Singapore,
Indonesia, Hong Kong, Taiwan, South African models
VF1
VF2
AC IN
VOLTAGE
B+
RECT
SELECT SWITCH
D800
B–
S11
S11
VOLTAGE
SELECTOR
E, Saudi Arabia, Malaysia, Singapore, Indonesia,
Hong Kong, Taiwan, South African models
– 32 –