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HCD-GTX66/GTX77
HCD-GTX66/GTX77
6-2. BLOCK DIAGRAM — TAPE/TUNER SECTION —
ST-L
REC-OUT-L
REC-OUT-L
TAPE
MECHANISM
BLOCK
A TRIGGER DRIVE
Q340,343
R-CH
TU901
FM/AM TUNER UNIT
ANTENNA
ST-L
ST-R
ST-DIN/MC-DOUT
ST-DOUT
ST-CLK
ST-CE
BTRGM+
ATRGM+
AHALF
BHALF
B SHUT
A SHUT
REC(FWD)
SYSTEM CONTROL
(TAPE MECHANISM CONTROL)
IC401 (2/6)
TC-PB-L
TEST
CONNECTOR
CN510
R-CH
R
L
PB
HEAD
DECK-A
DECK-B
BIAS OSC
Q370
BIAS
TRAP
MUTE CONTROL
SWITCH
Q377, 379
TC PB MUTE
CONTROL SWITCH
Q382.383
R-CH
R-CH
Q376
Q373,374
Q381
L – CH
R – CH
R-CH
BIAS+9V
REC/PB
HEAD
ERASE
HEAD
Q378,380
T301
L – CH
R – CH
• R-CH is omitted due to same as L-CH.
A TRIGGER DRIVE
Q342,345
CAPSTAN MOTOR DRIVE
Q341,344
TABLE ADDRESS SENSOR
IC731
LD MOTOR DRIVER
IC701
TBL MOTOR DRIVER
IC712
M+9V
Q731
M751
(TABLE LOADING)
M
RE701
ROTARY ENCODER
DISC TRAY
ADDRESS DETECT
S751
OPEN/CLOSE
DETECT
M741
(TABLE)
M
: TAPE PLAY (DECK B)
: TAPE PLAY (DECK A)
: TUNER
: RECORD (DECK B)
• Signal Path
: AUDIO
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
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299