HCD-RV7/RV8
26
26
7-5.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
FL601
FLUORESCENT
INDICATOR TUBE
1 – 10, 12 – 22,
17 – 12
64 – 66
BAND-PASS
FILTER
IC602
ROTARY
ENCODER
S748
VOLUME
SPEANA
X601
4MHz
52 – 59, 74
LED-DISC1,
LED-DISC2,
LED-DISC3,
LED DRIVE
Q601 – 605,
Q791 – 793, 795
D604 – 608,
D791 – 793, 795
D794
S751 – 792
S749
S750
DISPLAY
X502
16MHz
X501
32.768kHz
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (4/4)
B+ SWITCH
Q911, 912
RECT
D906 – 909
RECT
D914 – 917
D D +3.3V
M +9V
M +7V
A +10V
TC +10V
D920 – 922
D502
D504
D501
D503
D +4V
+2.5V
+4.5V
+4.5V
REGULATOR
Q201
CD D+5V
CD A+5V
D505
RECT
D918, 919, 923, 924
RECT
D972 – 975
LED DRIVE
Q794
T972
SUB POWER
TRANSFORMER
RECT
D541
RECT
D543
+VL
–VL
+VH
–VH
– 33V
REGULATOR
Q941
POWER ON/OFF
RELAY DRIVE
Q971
– VG
RECT
D977
VF1
VF2
RY971
(EXCEPT RV7: Thai)
(RV7: Thai)
(AC IN)
T910
MAIN POWER
TRANSFORMER
RESET
SWITCH
Q601
TO FLUORESCENT
INDICATOR TUBE
FL601
D +3.3V
EVER +4V
VOLTAGE
SELECTOR
S901
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