HCD-ZT4
HCD-ZT4
26
26
7-4. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
REMOTE CONTROL
RECEIVER
IC1102
FL1101
FLUORESCENT
INDICATOR
TUBE
MOTOR
ASSY
S031
(METER POSITION DETECT)
3 SW LED
AD-KEY0 -
AD-KEY2
FLUORESCENT INDICATOR
TUBE DRIVER
IC1101
SYSTEM CONTROLLER
IC401 (4/4)
F907
RECT
D911, 912
PROTECT
DETECT
Q606
RECT
D602
D006
LED-VOL1. 2 -
LED-VOL5. 6
S1165 - 1195
54
STBY RELAY
20
AC-CUT
RESET SWITCH
Q214, 215
D213
+3.3V
UNREG +16V
VBUS+5V
EVER +10V
83
OVERVOLTAGE
12
RESET
91 MASTER VOL
2 – 13,
15, 16
DR35 - DR16
38 – 19
DR0 - DR13
79 - 77
METER IN1 -
METER IN4
100, 84, 1, 2
97, 95, 94
LED DRIVE
Q1139, 1141,
Q1143
GRID DRIVE
Q1102 - 1113,
Q1115, 1116
D1124 - 1129
(STREAM)
LED DRIVE
Q1205
70 USB-BLUE LED
LED DRIVE
Q1190
D1205
SUBWOOFER
72 STBY LED
KEY0
4 SIRCS
D1196
I/
STANDBY
ROTARY
ENCODER
MASTER
VOLUME
OPERATION
DIAL
S1052
90 OPERATION DIAL
ROTARY
ENCODER
S1051
13 X-OUT
15 X-IN
METER SW
X402
5MHz
11 XC-OUT
10 XC-IN
X401
32.768kHz
SI
FL-DRIVER-DATA
49
86
SCK
FL-DRIVER-CLK
48
85
EEP-SDA
55
EEP-SCL
56
CSB
FL-DRIVER-CS
51
87
RSTB
FL-DRIVER-RESET
52
88
74 POWER/DISPLAY-KEY
(AC IN)
RY901
RELAY
DRIVE
Q903
D+1.5V
+1.5V
REGULATOR
IC201
5V
D605
D055
D623, 624
D908
A+9V
M+9V
M+7V
F906
RECT
D601
F904
F905
RECT
D801
F908
F909
RECT
D800
RECT
D812
D608
+9V
REGULATOR
IC080
+9V
REGULATOR
IC602
A/D CON5V
+5V
REGULATOR
Q696
M+5V
+5V
REGULATOR
Q1220
+3.3V
REGULATOR
IC603
+5V
REGULATOR
IC050
+5V
REGULATOR
IC055
+4V
REGULATOR
Q210 - 212
SEL A, SEL B
CD MECHANISM
MOTOR B+
REGULATOR
Q655 - 658
73
LED CTRL
5
CDM-SD
TAPE +9V
B+ SWITCH
Q681, 684
49
TC_M+9V SW
JOG B+
39
AD SUPPLY SW
B+ SWITCH
Q627, 628
–32V
REGULATOR
Q902
AMP
SECTION
B+
FOR
FLUORESCENT
INDICATOR
TUBE
–VFL
VF
VF
PT902
SUB POWER
TRANSFORMER
PT901
MAIN POWER
TRANSFORMER
45
46
XT
XTB
OSC
VDD+3.3V
D+3.3V,
VREF+3.3V
+VH
–VH
+VL
–VL
D1000, 1003
(USB)
80 METER LED
LED DRIVE
Q010
D011 - 015
(ILLUMINATION)
B+ SWITCH
Q1114, 1117,
Q1120, 1122
MOTOR
DRIVE
IC001
EEPROM
IC675
81
PROTECT
G
DC DETECT
H
STBY LED
J
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