HCD-RV7/RV8
5151
7-30. SCHEMATIC DIAGRAM – PAD SWITCH/VOL Boards –
•Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
NO605
TP682
S776 S777S775S774S773S772S771S770S769S768S767S766S765
S754 S755 S757 S758 S759 S760 S761 S762
CN606 CN607
S750
D613
C615
S764S763
S748
R625
C614
R750
R765 R766 R767 R768 R769 R770 R771 R772 R773 R774 R775 R776 R777 R778
S778
S753
S752
S756
R752 R753 R755 R756 R757 R758 R759 R760 R761 R762
IC603
R754
C752C751
R763 R764
8P
4P 4P
1SS133T
-72
47
10V
47
0.001
270
470 680 1k 1.5k 1.5k 2.2k 3.3k 4.7k 6.8k 10k 15k 22k 33k 68k
680 1k 1.5k 2.2k 3.3k 4.7k 6.8k 10k 15k 22k
NJL74H400A
1.5k
0.10.1
33k 68k
VOL 1A
VOL 1B
GC DGND
KEY 1
VOL 1B
VOL 1A
KEY 1
KEY INT DISPLAY
KEY 0
SIRCS
DGND
EVER +4V
GC DGND
KEY 1
FF REW
VOLUME
(ROTARY ENCODER)
DISPLAY
DIMMER FM MODE
REPEAT
SPECTRUM
TUNER MEMORY
PLAY MODE
S766
S765
S767 S769
S768 S770
GROOVE
S771
S772
S773
EFFECT
ON/OFF
S774 S775
ENTER
S776
S777
MOVIE EQGAME EQMUSIC EQ
S778
EFFECT
PICTURE
P FILE
-+
REMOTE CONTROL
RECEIVER
DIRECTION
EDIT
VOL 1A
VOL 1B
CINEMA
SPACE
(Page 49)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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