HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
2020
6-5. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
FL901
FLUORESCENT
INDICATOR TUBE
DA
CP
CS
1G, 12G
VH
Q1, Q12
GRID DRIVE
Q901, 902
VH B+
F+
VDD
VFD +7V
EVER +3.3V
D909
REMOTE CONTROL
RECEIVER
IC951
SYSTEM CONTROLLER
IC301 (5/5)
90STBY_RELAY
20AC_CUT
RESET SIGNAL
GENERATOR
IC401
RESET SWITCH
Q312
B+ SWITCH
Q952
69AC DET
12RESET
65 VOLUME JOG
KEY1 – KEY3
66 – 68
60 STBY LED
4 SIRCS
D951
STANDBY
LED DRIVE
Q951
63 BT LED
D953
BLUETOOTH
LED DRIVE
Q953
ROTARY
ENCODER
VOLUME
RV952
13
XOUT
15
XIN
X302
5MHz
11
XCOUT
10
XCIN
X301
32.768kHz
FL SD
58
FL SCLK
56
FL CS
57
FL RESET
59
74 KEY WAKE UP
S951 – 954,
S961 – 963,
S965 – 968,
S970 – 976
(AC IN)
T51
SUB POWER
TRANSFORMER
T31
MAIN POWER
TRANSFORMER
F1
LINE
FILTER
T1
RECT
D1
93CD ON
55FL POWER ON
D51
D14
4
POWER
CONTROL
IC51
VCC
5 DRAIN
2 FB
POWER CONTROL
IC11
1 VSENSE
2 F/B
9 OCP
16 VG (H)
ISOLATOR
PH51
FEED BACK
SWITCH
Q51
ISOLATOR
PH12
SHUNT
REGULATOR
IC71
18VD
SWITCHING
Q12
12 VG (L)
SWITCHING
Q11
15 VS
8 VC1
Q2
RECT
D32
RECT
D31
D33
+27V
DAB +9V
DVDD
+3.3V
+1.5V
AVDD
+3.3V
+12V
D401
+3.3V
EVER
+3.3V
VCC
TUNER +9V
FUNC +9V
AMP +5V
VH B+
+5V
REGULATOR
IC505
+9V
REGULATOR
IC502
50BT POWER
DC/DC
CONVERTER
Q906, 907
B+ SWITCH
IC901-2, Q904, 908
+3.3V
(FOR ADC )
+3.3V
REGULATOR
Q513
+1.5V
REGULATOR
IC201
DC DETECT
Q64, 82 – 84
POWER ON/OFF
CONTROL SWITCH
Q81
92USB POWER
USB
+3.3V
RESET
D474
(HX80R/HX90BTR)
(HX50BTR/HX70BTR/HX90BTR)
(HX50BTR/HX70BTR/HX90BTR)
(HX80R/HX90BTR)
(HX50BTR/HX70BTR/HX90BTR)
FOR
ROTARY ENCODER
TH1
ISOLATOR
PH11
POWER CONTROL
SWITCH
IC901-1, Q903, 905
B+ SWITCH
Q602, 606, 624
+
B+ SWITCH
Q316, 399
PROTECTOR
Q71, 72
+
HX50BTR:
CND, E51, MX, BR
(HX50BTR: E51, BR)
(HX50BTR: CND, MX)
HX50BTR: AEP, RU, SP, AR, KR/
HX70BTR/HX80R/HX90BTR
RECT
D43, 44
AC DETECT
Q60 – 63
+3.3V
REGULATOR
Q392, 706, 707
+3.3V
REGULATOR
Q393, 702 – 704
+12V
REGULATOR
Q707
BT +9V
+3.3V REGULATOR
IC702
(HX50BTR/HX80R/HX90BTR)
IC702 (HX70BTR)
+5V REGULATOR
IC507
+5V REGULATOR
IC506
91DMPORT POWER
DMP +5V
AMP D +3.3V
+1.8V REGULATOR
IC704
(HX50BTR/HX80R/HX90BTR)
IC704 (HX70BTR)
+1.8V
+3.3V REGULATOR
IC801
+1.2V REGULATOR
IC802
75DAB-POWER_1.2
73DAB-POWER_3.3
DAB +3.3V
VFD +7V
DAB +1.2V
BT +3.3V
+3.3V REGULATOR
IC903
VBUS +5V
HP AMP +12V
RIPPLE FILTER
Q555
D +12V
SUHT DOWN
CONTROL SWITCH
Q426, 716
SUHT DOWN
CONTROL SWITCH
Q326, 390
SD
H
Abbreviation
: Canadian modelCND
: Chilean and Peruvian modelsE51
: Russian modelRU
: Korean modelKR
: Mexican modelMX
: Singapore modelSP
S1
VOLTAGE SELECTOR
120 – 127V
220 – 240V
: Argentina modelAR
: Brazilian modelBR
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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