Block Diagram - Tape Section - Sony HCD-GNX80 Service Manual

HCD-GNX80
7-3. BLOCK DIAGRAM – TAPE SECTION –
DECK-A
L – CH
PB
HEAD
R – CH
R-CH
DECK-B
Q376
Q373, 374
L – CH
REC/PB
HEAD
R – CH
R-CH
R-CH
T301
ERASE
HEAD
TC BLOCK
REC(REV)
REC(FWD)
B SHUT
A SHUT
BPLAY
APLAY
BHALF
AHALF
ATRGM+
BTRGM+
CAP M+
CN509
FM/AM TUNER UNIT
FM ANT
FM 75
COAXIAL
AM ANT
AM
ST-DOUT
AM ANT
ST-CLK
ANTENNA
HCD-GNX80
32
34
SWITCH
DRIVE
Q382, 383
Q381
SWITCH
DRIVE
Q377, 379
C174, L104
BIAS
21
TRAP
BIAS+9V
BIAS OSC
Q378,380
Q370
Q340, 343
A TRIG
DRIVE
Q342, 345
B TRIG
DRIVE
Q341,344
CAP MOTOR
DRIVE
ST-L MAIN
E
ST-L
SECTION
(Page 29)
ST-R R-CH
TUNED
ST-DIN
ST-CE
AIN1
A EQ OUT1
PB OUT1
TAI1
28 27
B
BIN1
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
REC-OUT1
REC IN1
EQ
13 11 15 14
28 28
MAIN
TC-PB-L
26 C SECTION
(Page 29)
CN510
MUTE
Q280
L
R-CH
TEST
CONNECTOR
R-CH R
MUTE DRIVE
Q542, 543
MAIN
REC-OUT-L
SECTION
24 D
(Page 29)
SYSTEM CONTROL
(CD/TAPE MECHANISM CONTROL)
IC401(2/5)
65 TC-MUTE/IO-EXP DATA OUT
67 REC-MUTE
CN102
58
ALC
1
SW VOL
SW VOL IN 95
2
AD-KEY
91
SW AD KEY
59 PB-A/B
3
LED-SW-ON
SW ON LED 83
REC BIAS
56
4
LED CTRL2
SW LED2 50
5
LED CTRL1
SW LED1 49
90
BSHUT
89 ASHUT
51
B-PLAY
47 A-PLAY
94 B-HALF
48 A-HALF
57
TC-RELAY
53
A-TRIG
55 B-TRIG
54 CAPM-CONT
• R-CH is omitted due to same as L-CH.
TUNED
88
• SIGNAL PATH
: TUNER (FM/AM)
87 MC DOUT(ST)
: PLAYBACK (DECK A)
85 MC DIN(ST)
: PLAYBACK (DECK B)
86 ST-CLK
: RECORD
84 ST-CE
SYSTEM
CONTROL