HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
20
20
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
SYSTEM CONTROLLER
IC301 (5/5)
RESET SWITCH
Q312
B+ SWITCH
Q952
D951
STANDBY
LED DRIVE
Q951
D953
BLUETOOTH
LED DRIVE
Q953
ROTARY
ENCODER
VOLUME
RV952
X302
5MHz
X301
32.768kHz
S951 – 954,
S961 – 963,
S965 – 968,
S970 – 976
(AC IN)
T51
SUB POWER
TRANSFORMER
T31
MAIN POWER
TRANSFORMER
F1
LINE
FILTER
T1
RECT
D1
D51
D14
POWER CONTROL
IC11
ISOLATOR
PH51
FEED BACK
SWITCH
Q51
ISOLATOR
PH12
SWITCHING
Q12
SWITCHING
Q11
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+
DC/DC
CONVERTER
Q906, 907
+3.3V
(FOR ADC )
+3.3V
REGULATOR
Q513
DC DETECT
Q64, 82 – 84
POWER ON/OFF
CONTROL SWITCH
Q81
USB
+3.3V
RESET
D474
(HX80R/HX90BTR)
(HX50BTR/HX70BTR/HX90BTR)
(HX50BTR/HX70BTR/HX90BTR)
(HX80R/HX90BTR)
(HX50BTR/HX70BTR/HX90BTR)
FOR
ROTARY ENCODER
TH1
ISOLATOR
PH11
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
DMP +5V
AMP D +3.3V
+1.8V REGULATOR
+1.8V
DAB +3.3V
VFD +7V
DAB +1.2V
BT +3.3V
VBUS +5V
HP AMP +12V
RIPPLE FILTER
Q555
D +12V
SUHT DOWN
CONTROL SWITCH
Q426, 716
SUHT DOWN
CONTROL SWITCH
Q326, 390
SD
Abbreviation
: Canadian model
CND
: Chilean and Peruvian models
E51
: Russian model
RU
: Korean model
KR
: Mexican model
MX
: Singapore model
SP
S1
VOLTAGE SELECTOR
120 – 127V
220 – 240V
: Argentina model
AR
: Brazilian model
BR