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HCD-M500AV
– AUDIO SECTION –
FE1
ANT1
FRONTEND
CF1
ANT
FM
8
IF OUT 1
IN2
75Ω
VT
F OUT
4
3
AM
Q3
FM
FM B+
B+
SWITCH
X71
75kHz
14
4
5
11
6
3
2
1
12 13
9 8
T1
TU B+
1
CH1 A
L CH
HD301
PB HEAD
2 CH1 B
(A DECK)
R CH
R CH
9 REC OUT
L CH
R CH
REC/PB
R CH
R CH
IC361
HEAD
3
1
REC/PB
SWITCH
4
HD302
2
(B DECK)
T341
REC BIAS
ERASE
Q341
HEAD
BIAS
OSC
09
Q1
CF2
FM IF
1 FM IF IN
AMP
CD51
8 FM DET.
IC2
PLL
16 FM IN
ST/MONO
14
12
ST/MONO
AM/FM
7
11
AM/FM
18 PD
AM IN
15
24
AM OSC OUT
2
AM IF OUT
ON/OFF
8
A+9V
4
AM IF IN
T2
IF IN
12
CE
10 FM/AM
3
TU
CE
DI
B+
1 X IN
D IN
4
CLK
D CLK
5
DO
22
X OUT
6
D OUT
22
AFC
21
AM RF IN
7
23
AM OSC
MUTE
10
IF OUT
TUNE
6
TUNE OUT
ST
7
FM ST OUT
Q2
TU B+
A+9V
REG.
IC301
REC/PB AMP
PB L
D
REC L
REC OUT1
5
Q304
MUTE
11
REC IN1
Q331
MUTE
Q391,392
MUTE
6
MIX OUT
Q301
MUTE
A/B SW
19
Q351,352
REC BIAS
A+9V
SWITCH
M1
CAPSTAN
M
MOTOR
RV1001
HIGH
DECK A
TRIGGER
RV1002
TAPE SPEED
CONTROL
NORMAL
Q1001
DECK B
TRIGGER
IC1
AM/FM IF MPX
C
TUNER L
L OUT
13
AMP
SECTION
(Page 25)
IC501(1/2)
MASTER CONTROL
CE
47
ST CE
CLK
48
ST CLK
DI
49
ST DIN
E
DO
SPEANA
AMP
50
ST DOUT
ST
SECTION
51
STEREO
TUNE
(Page 25)
AMP
52
TUNED
MUTE
SECTION
ST MUTE
76
(Page 25)
6 PB MUTE
7 REC MUTE
41 AMS
8
PB A/B
S1006
38
B MODE
(B HALF)
AC CUT 60
S1009
IIC CLK 78
(B REC)
IIC DATA 80
S1005
(A REC)
10 TC RELAY
S1003
23 A HALF
(A HALF)
S1001
21 A PLAY
(A PLAY)
XTAL 32
X511
S1002
22 B PLAY
10MHz
(B PLAY)
EXTAL 31
9 REC/PB
Q381,382
BIAS ON
CAPSTAN
MOTOR
15 CAPM CONT 1P
DRIVER
Q376,378
TRIGGER
19 A TRG
DRIVER
Q375,377
TRIGGER
20 B TRG
DRIVER
IC1001
DECK A
39 A SHUT
REEL DET.
IC1002
DECK B
40 B SHUT
REEL DET.
26
26
• R-CH is omitted
• SIGNAL PATH
: FM
: AM
: PB (DECK A)
: PB (DECK B)
: REC
: AUDIO
IC601
SYSTEM CONTROL
IC603
Q621
SPEANA CONTROL
GR1
41
MUTE
GR2
42
F1
17
34
SPEANA0
I
I
GR13
53
4
IN
16
35
SPEANA1
F2
15
36
SPEANA2
3
NF
F3
SEG1
54
F4
14
37
I
I
SPEANA3
SEG16
69
L+R
13
32
L + R
•
•
SEG17
72
I
I
SEG19
70
8
X OUT
•
•
X601
SEG20
77
8MHz
I
I
9
X IN1
IC602
SEG24
73
REMOTE
SIRCS
33
SIRCS
SENSOR
F1
IC502
F2
RESET
3
10
RESET
23
CLOCK
24
DATA
VOL-A
19
VOLUME
20
VOL-B
RESET
B
IIC CLK
IIC DATA
JOG-A
21
CD
22
SECTION
JOG-B
(Page 24)
LED1
79
LED2
80
•
1
I
6
•
26
KEY0
11
KEY
I
I
•
MATRIX
29
KEY3
LED10
12
S631-637
Q691,692
S638,639
S640-642
LED11
14
VOLUME
S651-660
LED12
15
S671-674
S681-686
LED13
16
I
18
•
LED16
25
FL601
4
G1
62
G2
I
I
53
G13
52
S1
I
I
13
S16
•
•
10
S17
•
I
12
S19
•
•
9
S20
I
I
5
S24
1
2
68
69
S601
VOLUME
S602
JOG
SELECTOR
D682
D632-635
D638,639
D657,672,675
D691
I
D697
D662-665
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