Display/Key Control/Power Supply Section - Sony HCD-XGV80 Service Manual

– DISPLAY/KEY CONTROL/POWER SUPPLY SECTION –
FLUORESCENT INDICATOR TUBE DRIVER,
KEY CONTROL
IC601
VF VF VF(-35V) 48
VKK
BPF-F01 70
BPF-F02
71
BPF-F03 72
BPF-F04
73
BPF-F05 74
1 GR-16
GRID DRIVE
ALL BAND 75
Q608, Q609 8 GR-9
LED SELB 55
LED SELA 80
15 GR-3
GRID DRIVE
Q606,Q607 17 GR-1
LED DAT 78
LED SCK 76
LED LATCH 79
S701-709, 505-508
S612, 501-504
S910-915, 601-607
S613-616, 901-909
S801-805, 800, 806, 807
S701, 809-817
KEY
NETWORK
77
RESET
60
I2C-DAT
61
I2C-CLK
D-SW 52
S700
ROTARY 57 VOL A
ENCODER
VOLUME
56 VOL B
S700
82 83
X601
4MHz
EVER +3.9V
To MAIN
SECTION
(Page 26)
F
BAND-PASS FILTER
IC603
NFF02
16
INF03 LINE
15
IN
NFF04
14 DET B.P.F. 4
INF05
13
F06
12
REC
LEVEL
REC IN
11 DET 6
LED DRIVER
IC701 B+ SWITCH
Q604, 605
D503, 501
D701, 703, 705,
D707, 709, 711, 713
DATA
16
D801, 803, 805, 807,
17
CLK
D809, 811
18
STB D901, 903, 905,
D600(R)
SYSTEM CONTROLLER
D601
41 OTM-RESET
30
IIC-DATA
29
IIC-CLK
S700
LID (CD)
OPEN/CLOSE
75 LED-STBY
KEY-POWER
74
73 KEY-DISPLAY
LED
DRIVE
Q601
D602 S617 S618
DISPLAY
REMOTE CONTROL
SIRCS
RECEIVER (SIRCS) 1 4
IC602
RESET SIGNAL
1 3 20 AC-CUT
GENERATOR
IC801
RESET
RESET
SWITCH 12
Q801
SYSTEM CONTROLLER (IC501) ,
SIRCS (IC602) B+
LED
+3.9V
B+ SWITCH
Q602-603
FL DRIVER (IC601)
D502, 504,
D702, 704, 706, 708, 710, 712, 714
D802, 804, 806, 808, 810, 812
D906, 904
D600(G)
CD MECHANISM
CONTROL
IC501 (4/4)
CD A+5V(SW)
CD D+5V(SW)
D+5V (SW)
(CD SENSOR SECTION B+)
CD-POWER 38
D+3.9V
LED
3.9V
–VEE
A+9V
ST +9V
(FM/AM TUNER UNIT B+)
TC+9V
FAN MOTOR B+
TC M+9V
(TC MOTOR SECTION B+)
D911-913
CD M+7V
(CD MOTOR SECTION B+)
STBY-RELAY 84
D+5V
27 27
EVER +3.9V +3.9V
RECT
REGULATOR
IC901
D902 – 905
TO FLUORESCENT
VF
INDICATOR TUBE
VF
(FL601)
+VL
RECT
D832
–VL
POWER AMP (IC101,IC801),
PROTECT CIRCUIT
+VH
RECT
D831
–VH
–35V
VF(–35V)
REGULATOR
Q903, 908
R952
+10V
RECT
R951
-10V
D841 – 844
R953
+15V
RECT
D833 – 836
AC DET
G
To MAIN
SECTION
(Page 26)
+5V
B+ SWITCH
REGULATOR
Q921, 922
IC921
+3.9V
REGULATOR
IC922
+9V
REGULATOR
IC931
+12V
REGULATOR
Q911, 918,
D914, 916
D915
HCD-XGV80
SUB POWER
TRANSFORMER
T901
POWER
TRANSFORMER
MX
T951
F963
F964
VOLTAGE
SELECTOR
F961
S901
F951
F962
E51, SP
CN901
AC IN
AC7V
AC7V
RY901
AC12V
AC12V
POWER ON/OFF
RELAY DRIVE
Q901
D853