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HCD-RV7/RV8
51
51
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
S777
S775
S774
S773
S772
S771
S770
S769
S768
S767
S766
S765
S754
S755
S757
S758
S759
S760
S761
S762
CN606
CN607
S750
D613
C615
S764
S763
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
C752
C751
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
0.1
0.1
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 EQ
GAME EQ
MUSIC EQ
S778
EFFECT
PICTURE
P FILE
-
+
REMOTE CONTROL
RECEIVER
DIRECTION
EDIT
VOL 1A
VOL 1B
CINEMA
SPACE
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