Block Diagram - Display/Key Control/Power Supply Section - Sony HCD-XB66 Service Manual

HCD-XB66/XB660
7-6. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
FLUORESCENT INDICATOR TUBE DRIVE,
DATA, CLK
DATA
F
28
CLK
27
(Page 31)
RESET
E
14
(Page 32)
42
BAND-PASS
43
FILTER CIRCUIT
44 SPEANA-3
SPEANA C621 – 632,
D
45 SPEANA-4
D601 – 607,
R621 – 629,
(Page 31)
R631 – 638
46 L+R
S691
6 OPEN
38 DOOR SW
S601 – 607, 609 – 616, 619 – 625,
S627 – 634, 641 – 647, 651 – 659,
S661 – 668, 676 – 679, 681 – 686
REMOTE CONTROL
RECEIVER 39 SIRCS
IC602
S711
ROTARY
26 JOG-A
≠ AMS ± ENCODER
41 JOG-B
S711
(JOG DIAL)
S701 ROTARY
24 VOL-A
ENCODER
VOLUME
40
S701
05
LED DRIVE, KEY CONTROL
IC601
DATA
CLOCK
FLUORESCENT
INDICATOR TUBE
FL601
RESET
SPEANA-1
SPEANA-2
B+ SWITCH
D+5V
Q602, 603
Q601
LED SELECT 29
LED DRIVE
D611 – 625, 631, 632,
Q604 – 611,
D635 – 638, 641, 645 – 647
Q614 – 619, 621, 622
VOL-B
12 13
X601
8MHz
– 35 –
D+5V, A+5V B+
CD MECHANISM DECK SWITCH
SECTION B+ Q901, 902
B+
AUDIO D+5V SWITCH
Q905, 906
D913
D914
D+5V
PANEL SECTION B+
+5V
SYSTEM CONTROLLER
REGULATOR
(IC301) B+
IC903
D301, 302
+7V
+7V
REGULATOR
(CD M+7V)
IC902
REGULATOR
CONTROL SWITCH
Q907
+7V
+7V/–7V
D671 – 674
REGULATOR
TC, PANEL, AUDIO
(BACK LIGHT)
IC901
–7V
CAPSTAN MOTOR DRIVE CIRCUIT,
TRIGGER MOTOR DRIVE CIRCUIT B+
+10V
+10V
REGULATOR
(FM/AM TUNER UNIT B+)
Q903
–30V
FL DRIVER (IC601)
TO
FLUORESCENT INDICATOR TUBE
(FL601)
POWER AMP
(IC801, 821)
POWER
K (Page 31)
CD-POWER
L (Page 31)
AC OFF
M (Page 34)
POWER TRANSFORMER
T901
RECT
D902 – 905
+12V
RECT
REGULATOR
D906, 907
IC904
–30V
RECT
REGULATOR
D908, 909
Q904
Except E, Argentine models
VF1
VF2
VOLTAGE
B+
RECT
SELECT SWITCH
D800
B–
S901
S901
VOLTAGE
SELECTOR
E, Argentine models
– 36 –
AC IN