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HCD-HCDGN90D/GN100D
7-3. BLOCK DIAGRAM
– TUNER/TAPE SECTION –
DECK-A
L – CH
PB
HEAD
R – CH
R-CH
DECK-B
Q166
Q154, 155
L – CH
REC/PB
HEAD
R – CH
R-CH
C174, L104
BIAS
R-CH
TRAP
T101
ERASE
HEAD
TC BLOCK
REC(REV)
REC(FWD)
B PHOTO OUT
A PHOTO OUT
BPLAY
APLAY
BHALF
AHALF
ATRGM+
BTRGM+
CAP M+
CN509
FM/AM TUNER UNIT
ST-L
FM ANT
ST-R
FM 75Ω
COAXIAL
FM ANT
ST-MUTE
STEREO
TUNED
AM ANT
ST-DOUT/MC-DIN
AM
ST-DIN/MC-DOUT
AM ANT
ST-CLK
ST-CE
ANTENNA
HCD-GN90D/GN100D
75
A
B
76
SWITCH
DRIVE
Q110, 111
Q109
SWITCH
DRIVE
Q107, 108
MUTE
Q175
TC +9V
BIAS OSC
Q113,114
Q112
Q122, 123
A TRIG
DRIVE
Q118, 119
B TRIG
DRIVE
Q120,121
CAP MOTOR
DRIVE
TUNER L – CH
MAIN
G
SECTION
(Page 35)
R-CH
PB OUT1
TAI1
78
79
80
MUTE
DECK A/B SELECT
MUTE DRIVE
PB/REC EQUALIZER AMP
Q509, 510
IC101 (1/2)
MUTE DRIVE
Q514, 515
34
34
MAIN
TAPE L-CH
F
SECTION
(Page 35)
CN510
Q103
L
TEST
CONNECTOR
R-CH
R
MAIN
REC-L
D
SECTION
(Page 35)
RXD1
DISPLAY/POWER
E
SECTION
(Page 36)
63
TC-MUTE
32
REC-MUTE
REC BIAS
60
REC (REV)
58
REC (FWD)
55
90
B PHOTO OUT
A PHOTO OUT
89
56
B-PLAY
51
A-PLAY
91
B-HALF
53
A-HALF
59
TC-RELAY
52
A-TRIG
57
B-TRIG
54
CAPM-CTRL
SYSTEM CONTROL
(CD/TAPE MECHANISM CONTROL)
IC401(2/5)
88
ST-MUTE
87
STEREO
86
TUNED
83
ST-DIN
84
ST-DOUT
82
ST-CLK
85
ST-CE
• R-ch is omitted due to same as L-ch.
• Signal path
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: RECORD
F
: TUNER (FM/AM)
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