Sony HCD-GNX780 - Block Diagram - Tape;Tuner Section

HCD-GNX780/GNX880
2828
HCD-GNX780/GNX880
7-2. BLOCK DIAGRAM – TAPE/TUNER SECTION –
E
MAIN
SECTION
(Page 29)
D
MAIN
SECTION
(Page 29)
C
MAIN
SECTION
(Page 29)
ST-L
REC-OUT-L
TAPE
MECHANISM
DECK
32
A TRIG
DRIVE
Q340, 343
: PLAYBACK (DECK B)
: PLAYBACK (DECK A)
R-CH
FM/AM TUNER UNIT
CN509
ANTENNA
ST-L
FM ANT
AM ANT
AM ANT
ST-R
TUNED
ST-DIN
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
BSHUT
ASHUT
REC BIAS
PB-A/B
ALC
REC-MUTE
TC-MUTE/IO-EXP DATA OUT
AM
EQ OUT1
A
B
TUNED
MC DOUT(ST)
MC DIN(ST)
ST-CLK
ST-CE
34
28 27 26
24
21
56
59
58
67
65
90
89
94
48
95
83
57
53
55
54
88
86
84
87
85
13 11 15 14
PB OUT1
TAI1
REC IN1
AIN1
BIN1
A/B ALC ON/OFF REC MUTE ON/OFF MUTE ON/OFF
IC301
DECK A/B SELECT,
PB/REC EQUALIZER AMP
IC401(2/5)
SYSTEM CONTROL
(CD/TAPE MECHANISM CONTROL)
REC-OUT1
EQ
TC-PB-L
TEST
CONNECTOR
CN510
R-CH R
L
PB
HEAD
DECK-A
DECK-B
BIAS OSC
Q370
BIAS
TRAP
SWITCH
DRIVE
Q377, 379
SWITCH
DRIVE
Q382, 383
R-CH
R-CH
Q376
Q373, 374
Q381
L – CH
R – CH
R-CH
C380, L371
BIAS+9V
REC/PB
HEAD
ERASE
HEAD
Q378,380
T301
L – CH
R – CH
: TUNER (FM/AM)
: RECORD
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
CN102
SW VOL
GNX880
SYSTEM
CONTROL
SW LED
SW VOL
LED-SW-ON
3
4
B TRIG
DRIVE
Q342, 345
CAP MOTOR
DRIVE
Q341, 344
Ver. 1.1