Block Diagram - Tape/Tuner Section - Sony HCD-GTX66 Service Manual

HCD-GTX66/GTX77
Q Q
3 7 6 3 1 5 1 5 0
6-2. BLOCK DIAGRAM — TAPE/TUNER SECTION —
DECK-A
L – CH
PB
HEAD
R – CH
R-CH
DECK-B
L – CH
REC/PB
HEAD
R – CH
R-CH
R-CH
ERASE
HEAD
TAPE
MECHANISM
BLOCK
T E
L 1 3 9 4 2 2 9 6 5 1 3
REC(FWD)
B SHUT
A SHUT
BHALF
AHALF
ATRGM+
BTRGM+
CAP M+
FM/AM TUNER UNIT
FM ANT
FM 75
COAXIAL
AM ANT
ST-DIN/MC-DOUT
AM
AM ANT
ANTENNA
w w w
HCD-GTX66/GTX77
TC PB MUTE
CONTROL SWITCH
Q382.383
Q376
Q373,374
Q381
MUTE CONTROL
SWITCH
Q377, 379
BIAS
TRAP
T301
BIAS+9V
BIAS OSC
Q378,380
Q370
A TRIGGER DRIVE
Q340,343
A TRIGGER DRIVE
Q342,345
CAPSTAN MOTOR DRIVE
Q341,344
TU901
MAIN
ST-L E
ST-L
SECTION
(Page 33)
ST-R R-CH
ST-DOUT
ST-CLK
ST-CE
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AIN1
32
A
EQ OUT1
PB OUT1
TAI1
28 27
B
34
BIN1
DECK A/B SELECT,
PB/REC EQUALIZER AMP
IC301
REC-OUT1
REC IN1
21
EQ
13 11 15 14
Q Q
3 7 6
u 1 6 3
.
32 32
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2 4
8 9 9
26 TC-PB-L
CN510
L
TEST
CONNECTOR
R-CH R
REC-OUT-L
24 REC-OUT-L
SYSTEM CONTROL
(TAPE MECHANISM CONTROL)
IC401 (2/6)
TABLE ADDRESS SENSOR
60 TC-MUTE
IC731
59 REC-MUTE Q731
58 ALC
TBL SENS 42 3
4
57 PB-A/B
REC BIAS
55
3 1 5 1 5 0 8 9 2
LD MOTOR DRIVER
IC701
90 B-SHUT
FIN
89 A-SHUT
LM-F 48 7
MOTOR
RIN
LM-R 49 9
91 B-HALF
52 A-HALF
56
TC-RELAY
TBL MOTOR DRIVER
51 A-TRIG IC712
FIN
TM-F
46 7
MOTOR
RIN
54 B-TRIG
TM-R 47 9
53 CAPM-CONT
E-1 45
E-2 44
E-3 43
OPENSW 41
• R-CH is omitted due to same as L-CH.
85 ST-DIN/MC-OUT
• Signal Path
87 SY-DOUT/MC-DIN
86 ST-CLK
84 ST-CE
m
c o
2
8 9 9
MAIN
C
SECTION
(Page 33)
MAIN
D
SECTION
(Page 33)
1
M+9V
2
4 9 8 2 9 9
OUT2
2 M751
M
OUT1
(TABLE LOADING)
DRIVE 4
OUT2
2 M741
M
OUT1
(TABLE)
DRIVE 4
RE701
ROTARY ENCODER
DISC TRAY
ADDRESS DETECT
S751
OPEN/CLOSE
DETECT
: AUDIO
: TUNER
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
: RECORD (DECK B)