Sony HCD-GN77D - Block Diagram: Tuner;Tape Deck Section; Tuner;Tape Deck Signal Paths; Tuner;Tape Deck Block Diagram

HCD-GN77D
2828
TAPE L-CH
TEST
CONNECTOR
CN301
R-CH R
L
E
MAIN
SECTION
(Page 29)
TUNER L – CH
F
MAIN
SECTION
(Page 29)
REC L-CH
G
MAIN
SECTION
(Page 29)
PB
HEAD
DECK-A
DECK-B
TC BLOCK
32
BIAS OSC
Q302, 303
RIPPLE
FILTER
Q301
A TRIG
DRIVE
• SIGNAL PATH
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD
: TUNER (FM/AM)
R-CH
FM/AM TUNER UNIT
CN304
ANTENNA
ST-L
FM ANT
AM ANT
AM ANT
ST-R
ST-MUTE
STEREO
TUNED
ST-DOUT/MC-DIN
ST-DIN/MC-DOUT
ST-CLK
ST-CE
FM 75Ω
COAXIAL
CAP M+
BTRGM+
ATRGM+
AHALF
BHALF
APLAY
BPLAY
BSHUT
ASHUT
REC(FWD)
REC(REV)
CAPM-CTRL
B-TRIG
A-TRIG
TC-RELAY
A-HALF
B-HALF
A-PLAY
B-PLAY
B-SHUT
A-SHUT
A REC, FWD
B REC, REV
REC BIAS
PB-A/B
ALC
REC-MUTE
TC-MUTE
AMS-IN
AM
• R-ch is omitted due to same as L-ch.
93
EQ OUT1
A
B
120
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
BIAS
TRAP
REC
BIAS(L)
34
1
2
3
4
28 27 26
24
21
56
53
54
EQ-H/N
65
51
52
63
60
66
90
89
61
69
91
67
55
59
B TRIG
DRIVE
58
CAP MOTOR
DRIVE
57
100
1
2
97
87
65
88
13 12 11 15 14
BUFFER
Q304,305
HPF
R-CH
PB OUT1
TAI1
REC IN1
MUTE
Q306,389
AMS DETECT
Q390, 398, 399
R-CH
R-CH
L – CH
R – CH
R-CH
R-CHSWP1
GND
SWR1
AIN1
BIN1
RV304
REC(L)
LEVEL
RV301
C332, 333
TC A+9V
REC/PB SWITCH
IC302
REC/PB
HEAD
ERASE
HEAD
A/B NORM/HIGH SPEED ALC ON/OFF REC MUTE ON/OFF MUTE ON/OFF
IC303
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
Q307,310
T301
Q391, 392
Q395, 396
Q393,394
SYSTEM CONTROL
(CD/TAPE MECHANISM CONTROL)
IC501(2/5)
REC-OUT1
+
L – CH
R – CH
EQ
– TUNER/TAPE DECK Section –
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
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