HCD-GRX80/RXD8/RXD8S
– 25 –
– MAIN POWER/SUB POWER SECTION –
– 26 –
VG
VF
VF BUFF
Q14, 15
• R CH : Same as L ch
• SIGNAL PATH
: FM
• Abbreviation
E2
E3
EA3
SP
MY
HK
TW
AR
: Without SW tuner E model.
: Without SW tuner E model.
: Saudi Arabia model.
: Singapore model.
: Malaysia model.
: Hong Kong model.
: Taiwan model.
:Argentine model.
Rch
Rch
PROTECT
CONTROL
Q432 - 434
RY401
THERMAL
DET
Q831, 832
THP831
OVER LOAD
DET
Q801
Rch
POWER AMP
IC801
FRONT
F RELAY
DBFB
STK MUTE
GRX80:E2,E3,EA3,SP,AR,TW
RXD8,RXD8S
AC
IN
16
18
14
PHONES
J701
Rch
FRONT
FRONT
SPEAKER
TM401
SURROUND
SPEAKER
TM402
Rch
FAN MOTOR
DRIVER
Q401, 402
M
UNREG
–7V
M901
FAN
MOTOR
RELAY
DRIVE
Q435, 436, 431
MUTE
SWITCH
Q412, 411
VOLTAGE
SELECTOR
S951
VF
VF
T11
SUB TRANSFORMER
T951
POWER TRANSFORMER
MAIN
SECTION
D
09
(Page 24)
RXD8,RXD8S
VH+
SWITCH
Q437
MUTE
SWITCH
Q439
Lch
VH+ SUPP
Q803, 881
MUTE
SWITCH
Q804
VH+
RY-SW
STANDBY RELAY ON/OFF
D+5V UNSW
POWER ON/OFF
PROTECTOR
AC4
AC4
RECT
D907-910
AC3
AC3
RECT
D901-904
IC901
+7V REG
CD MOTOR +7V
ST+10V
3
1
3
1
+10V REG
Q909
TC MOTOR +12V
A+7V
A–7V
3
1
–7V REG
Q951,952,914
+7V REG
Q901,902,913
+5V OUT
Q905
RECTIFIER
D924
RECTIFIER
D922
D+5V
+5V (LED)
(DISPLAY)
+5V (STBY)
(DISPLAY)
+5.6V (STBY)
RDS D+5V UN SW
AC1
AC1
RECT
D832
RECT
D831
AC2
AC2
–VL
+VL
+VH
–VH
IC904
REG
3
1
+5V OUT
Q911
RECTIFIER
D925
SWITCH
Q923, 903
SWITCH
Q904
SWITCH
Q908
+5V REG
Q907
SWITCH
Q912
CD A+5V (SW)
CD D+5V (SW)
RECTIFIER
D507
D509
JW51
RECT
D12-15
DISPLAY
(VIA POWER)
VF
COM MON
SUB TRANS. D+5.6V
3
1
RELAY DRIVE
Q11
SWITCH
Q16, 17
-26V REG
Q12, 13
RECT
D17-20
RY11
RY11
GRX80
AC
IN
Q11
IC903
+12V REG
IC902
REG
IC11
5.6V REG
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
