Block Diagram - Display/Key Control/Power Supply Section - Sony HCD-XB66K Service Manual

HCD-XB66K
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
16
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
(page 31)
VOL-B
O
12 13
IC501
KEY CONTROL
X601
8MHz
22 LPF1 IN SL-P
20 HPF IN
SL-P
14 VCC SL-P
+5V
Q501
SWITCH
— 35 —
D+5V, A+5V B+
CD MECHANISM DECK SWITCH
SECTION B+ Q901, 902
B+
AUDIO D+5V SWITCH
Q905, 906
D914
D+5V
PANEL SECTION B+
SYSTEM CONTROLLER
(IC301) B+
D301, 302
REGULATOR
CONTROL SWITCH
Q907
+7V
TC, PANEL, AUDIO
–7V
+10V
(FM/AM TUNER UNIT B+)
(page 31)
P
IC502
MULTIPLEXER
5 4
3
14 R-CH
15
9
9
7
Q501
SWITCH
Q (page 32)
POWER
CD-POWER
D913
+5V
REGULATOR
IC903
+7V
+7V
REGULATOR
(CD M+7V)
AC OFF
IC902
POWER TRANSFORMER
+7V/–7V
D671 – 674
REGULATOR
(BACK LIGHT)
IC901
RECT
D902 – 905
CAPSTAN MOTOR DRIVE CIRCUIT,
TRIGGER MOTOR DRIVE CIRCUIT B+
+10V +12V
RECT
REGULATOR REGULATOR
D906, 907
Q903 IC904
–30V
–30V RECT
REGULATOR
FL DRIVER (IC601) D908, 909
Q904
TO
VF1
FLUORESCENT INDICATOR TUBE
VF2
(FL601)
B+
POWER AMP RECT
(IC801, 821) D800
B–
— 36 —
K (Page 31)
L (Page 31)
M (Page 34)
T901
Thai model
AC IN
VOLTAGE
SELECT SWITCH
S901
S901
VOLTAGE
SELECTOR
Except Thai model