Sony HCD-GTX88, Руководство по обслуживанию, Страница: 32 / 104

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HCD-GTX88
HCD-GTX88
6-2. BLOCK DIAGRAM — TAPE/TUNER SECTION —
(Page 33)
(Page 33)
(Page 33)
ST-L
E
MAIN
SECTION
REC-OUT-L
REC-OUT-L
D
MAIN
SECTION
TAPE
MECHANISM
BLOCK
32
A TRIGGER DRIVE
Q340,343
R-CH
TU901
FM/AM TUNER UNIT
ANTENNA
ST-L
FM ANT
AM ANT
AM ANT
ST-R
ST-DIN/MC-DOUT
ST-DOUT
ST-CLK
ST-CE
FM 75
COAXIAL
CAP M+
BTRGM+
ATRGM+
AHALF
BHALF
B SHUT
A SHUT
REC(FWD)
CAPM-CONT
B-TRIG
A-TRIG
TC-RELAY
A-HALF
B-HALF
B-SHUT
A-SHUT
REC BIAS
PB-A/B
ALC
REC-MUTE
TC-MUTE
AM
EQ OUT1 A
B
ST-DIN/MC-OUT
SY-DOUT/MC-DIN
ST-CLK
ST-CE
34
28 27 26
24 21
55
57
58
59
60
42 3
90
89
91
52
56
51
54
53
E-1 45
E-2 44
E-3 43
86
84
85
87
13 11 15 14
PB OUT1
TAI1
REC IN1
AIN1
BIN1
A/B ALC ON/OFF REC MUTE ON/OFF MUTE ON/OFF
DECK A/B SELECT,
PB/REC EQUALIZER AMP
IC301
SYSTEM CONTROL
(TAPE MECHANISM CONTROL)
IC401 (2/6)
REC-OUT1
EQ
TC-PB-L
TEST
CONNECTOR
CN510
R-CH R
L
C
MAIN
SECTION
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
4
1
2
TABLE ADDRESS SENSOR
IC731
LD MOTOR DRIVER
IC701
TBL MOTOR DRIVER
IC712
M+9V
Q731
MOTOR
DRIVE
M751
(TABLE LOADING)
M
RE701
ROTARY ENCODER
DISC TRAY
ADDRESS DETECT
S751
OPEN/CLOSE
DETECT
LM-F
TBL SENS
FIN
RIN
48
OPENSW 41
LM-R 49
7
9
OUT2
OUT1
2
4
MOTOR
DRIVE
M741
(TABLE)
M
TM-F
FIN
RIN
46
TM-R 47
7
9
OUT2
OUT1
2
4
: TAPE PLAY (DECK B)
: TAPE PLAY (DECK A)
: TUNER
: RECORD (DECK B)
• Signal Path
: AUDIO