Block Diagram -Display/Power Section - Sony HCD-ZX66i Service Manual

6-3. BLOCK DIAGRAM – DISPLAY/POWER Section –
VACUUM FLUORESCENT DISPLAY DRIVER,
KEY CONTROL
IC901
VF
91 G14
GRID DRIVER
Q901,902 88 G17
LED SELECTOR
G1–G19
S900–911,
S913–919,
S921–927,
S930–938,
S940–945,947–949,
S950–955,
S970
S965–967 (ZX99i)
SPK MODE LED
S980
80 VOL A
ROTARY
VOLUME +/–
ENCODER 79 VOL B
82
X602
4MHz
MD0
1
MD2
2
CNS928 INT0
3
FLASH
INT1
4
PROGRAMMING
SI0 EVER+10V
5
SO0
6
VCC
7 EVER+3.3V
HCD-ZX66i/ZX99i
BAND-PASS FILTER
IC903
BPF4OUT
BPF1-F01 70 16
BPF3OUT
BPF1-F02
71 15
BPF2OUT IN1
1
BPF2-F03 72 14 DET B.P.F.
BPF1OUT
BPF3-F04 73 13
RECOUT
IN2
ALL BAND 74 17 DET 2
LED POWER
59 CONTROL
Q903
LED POWER
CONTROL
VOL1,2 52
Q904
INT0
VOL3,4 53
LED DRIVER
INT1
VOL5,6 54 Q911–916
SI0
VOL7,8
55 D908,910,912,
914,916
VOL9,10 56
SO0
VOL11 LED 57
ZX99i
S957
JOG A 75
JOG
JOG
JOG B 76 SWITCH
D926
LED DRIVE
45
X-ROUND
Q917
ON/OFF
77 71 GC-RESET
RESET
I2C DATA 60 30 IIC-DATA
I2C-CLK 61 29 IIC-CLK
MD0
76 STBY-LED
MD0 49
MD2
74 POWER-KEY
MD2 51
73 DISPLAY-KEY
83
D920 S929
S928
DISPLAY
REMOTE CONTROL
SIGNAL RECEIVER 1 4 SIRCS
IC902
+4V REG RESET
20 AC-CUT
Q209-211 Q208
RESET
SWITCH
+3.3V 12 RESET
Q207
D209
MAIN
B
SPEANA
SECTION
(Page 32)
MAIN
SECTION
(Page 32)
LED+9V
LED POWER
CONTROL
Q905,906
UNREG(+15V)
D907,909,911,
913,915,917
+9V REG
A+9V 3
IC511
LED+9V
+9V REG
M+9V 3
SYSTEM CONTROL
IC510
IC401 (3/3)
M+7V
D504,506
A+3.3V
POWER
+3.3V REG
CONTROL
D+3.3V 3
IC513
Q552
MP3+3.3V
POWER
CD POWER 40 CONTROL
VBUS
Q554
STBY-RELAY 28
TXD1
MP3-STB 31 2
RTS1
3
LINE MUTE 34
CLK1
5
FOR PROG 33
CN040
RXD1
6 FLASH
NO USE 32
PROGRAMMING
CNVSS
CNVSS 9 7
RESET
8
VCC
+3.3V 4
33 33
PT1100
POWER
TRANSFORMER
(MAIN)
F1141
+VH
RECT
D658
–VH
F1151
F1161
+VL
RECT
D656
–VL
F1171
D661
C
AC DET
D660
F1181
RECT
D501
1
D1192
–VG REG
–VG
Q664
VACUUM
1
FLUORESCENT
DISPLAY
(FL901) VF
VF
F1191
RECT
1
D502
+11V
PT1101
+5V REG
4 2
POWER
IC501
TRANSFORMER
D506
(SUB)
RECT
EVER+10V
D1002
HCD-ZX66i/ZX99i
AC IN ~
RY1000
RELAY
DRIVER
Q1000