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HCD-GNX80
Q Q
3 7 6 3 1 5 1 5 0
7-3. BLOCK DIAGRAM
– TAPE SECTION –
DECK-A
L – CH
PB
HEAD
R – CH
R-CH
DECK-B
Q376
Q373, 374
L – CH
REC/PB
HEAD
R – CH
R-CH
C174, L104
R-CH
T301
ERASE
HEAD
TC BLOCK
T E
L
1 3 9 4 2 2 9 6 5 1 3
REC(REV)
REC(FWD)
B SHUT
A SHUT
BPLAY
APLAY
BHALF
AHALF
ATRGM+
BTRGM+
CAP M+
CN509
FM/AM TUNER UNIT
FM ANT
FM 75
COAXIAL
TUNED
AM ANT
ST-DIN
AM
ST-DOUT
w w w
AM ANT
ST-CLK
ST-CE
ANTENNA
HCD-GNX80
AIN1
32
34
BIN1
SWITCH
DRIVE
Q382, 383
Q381
SWITCH
DRIVE
Q377, 379
REC-OUT1
BIAS
21
TRAP
BIAS+9V
BIAS OSC
Q378,380
Q370
Q340, 343
A TRIG
DRIVE
Q342, 345
B TRIG
DRIVE
Q341,344
CAP MOTOR
DRIVE
ST-L
MAIN
E
ST-L
SECTION
(Page 29)
ST-R
R-CH
x
a o
.
i
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A
EQ OUT1
PB OUT1
TAI1
28
27
B
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
REC IN1
EQ
13
11
15
14
Q
Q
3
7
u 1 6 3
y
28
28
http://www.xiaoyu163.com
8
9
2
4
9
MAIN
TC-PB-L
C
SECTION
26
(Page 29)
CN510
MUTE
Q280
L
R-CH
TEST
CONNECTOR
R-CH
R
MUTE DRIVE
Q542, 543
MAIN
REC-OUT-L
D
SECTION
24
(Page 29)
SYSTEM CONTROL
(CD/TAPE MECHANISM CONTROL)
IC401(2/5)
65
TC-MUTE/IO-EXP DATA OUT
67
REC-MUTE
CN102
58
ALC
1
SW VOL
SW VOL IN
95
2
AD-KEY
SW AD KEY
91
59
PB-A/B
3
SW ON LED
83
LED-SW-ON
6
3
1
5
1
5
0
8
9
56
REC BIAS
4
SW LED2
50
LED CTRL2
5
LED CTRL1
SW LED1
49
90
BSHUT
89
ASHUT
51
B-PLAY
47
A-PLAY
94
B-HALF
48
A-HALF
57
TC-RELAY
53
A-TRIG
55
B-TRIG
CAPM-CONT
54
• R-CH is omitted due to same as L-CH.
TUNED
88
• SIGNAL PATH
: TUNER (FM/AM)
87
MC DOUT(ST)
: PLAYBACK (DECK A)
85
MC DIN(ST)
m
: PLAYBACK (DECK B)
86
ST-CLK
: RECORD
84
ST-CE
c o
.
8
2
9
9
SYSTEM
2
4
9
8
2
9
9
CONTROL
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