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16
16
HCD-RV2/RV5/RV6
6. BLOCK DIAGRAM — TUNER, POWER SECTION —
10
16
20
19
20
19
18
7
9
1
12
1
22
15
IC901
EVER+4V
UNREG+12V
3
1
+12V
REG
IC683
+12V
3
1
+9.2V
REG
IC684
RY901
D911
JW911
F919
+9V
+7V
VF1
VF2
+B
-B
3
1
+4.9V
REG
IC685
+5V
3
1
+5V
REG
IC681
D686
D667
D668
D663
D664
IC601 (2/3)
SYSTEM CONTROL
A+5V
+4V
FAN+B
+3.3V1
+3.3V2
+3.3V3
A+2.5V
A+3.3V1
A+3.3V2
A+4.5V
1
3
+2.5V
REG
IC201
1
3
+3.3V
REG
IC202
3
1
+4V
REG
IC682
1
3
12
18
RESET
IC661
VP
-30V
REG
Q911
RELAY
DRIVE
Q901
POWER
SWITCH
Q681,682
BUF
Q661
MUTE
Q103
FM IF
BUF
Q101
+B
SW
Q101
R-CH
L-CH
+12V
FM
CF102
IC101
AM/FM IF MIX
CF101
FM+B
FM/AM
ST-MUTE
XC OUT
TUNER
STEREO
ST-DIN
DO
DI
CL
CL
CE
ST-DOUT
ST-CLK
ST-CLK
ST-CE
AC OUT
RESET
XC IN
X OUT
X IN
STB RELAY
SYS POWER
FMOSC
VCO
A OUT
IF
A IN
PD
PD
IF REQ
AM OSC
X IN
DO
+12V
DI
CK
CE
CE
DO
DI
CE
X OUT
CLK
X101
4.5MHz
X601
32.768KHz
X602
18MHz
2
1
6
5
JW1
JW4
JW6
S901
120V 220V 240V
VOLTAGE SELECTOR
JW3
RB101
10
11
12
AC IN
FM75Ω
G
AM
8
1
3
3
4
IF OUT
F OUT
VT
ANT IN
6
4
5
3
5
3
8
11
12
10
21
23
22
1
23
22
24
26
27
28
25
11
10
13
86
40
40
15
1
3
+4V
REG
13
14
2
4
7
6
6
AM/FM
FM IF
L OUT
R OUT
AM MIX
OUT
AM IF IN
ST LED
TU LED
AM RF IN
AM OSC
AFC
VCO STOP
OSC/FM SD
IF REQ/MUTE
24
IFT101
IC102
PLL
D108
RV101
T901
SUB TRANS
T911
POWER TRANSFOMER
D542
D681-684
D687-690
D543
POWER
AMP
SW901,JW911,F919:E3,EA,JE,MY,SP ONLY
JW1,JW3,JW6:TH ONLY
JW1,JW3,JW6:TH ONLY
D902-905
+3.3V
REG
Q581
+4.5V
REG
Q201
JK101
ANTENNA
FM TUNER
FE101
A
MAIN SECTIO
(RV2)
•Signal Path
•R-ch is omitted due to same as L-ch.
: FM
G
MAIN SECTION
(RV6)
D
MAIN SECTION
(RV5)
(RV2) (RV5) (RV6)
(Page 17)
(Page 18)
(Page 19)
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