Block Diagram - Tape Section - Sony MHC-GNX60 Service Manual

HCD-GNX60/GNX70/GX9900
7-3. BLOCK DIAGRAM – TAPE SECTION –
DECK-A
L – CH
PB
HEAD
R – CH
DECK-B
L – CH
REC/PB
HEAD
R – CH
ERASE
HEAD
TC BLOCK
REC(REV)
REC(FWD)
B SHUT
A SHUT
BPLAY
APLAY
BHALF
AHALF
ATRGM+
BTRGM+
CAP M+
CN509
FM 75
COAXIAL
AM
ANTENNA
HCD-GNX60/GNX70/GX9900
R-CH
SWITCH
DRIVE
Q382, 383
Q376
Q373, 374
Q381
SWITCH
R-CH DRIVE
Q377, 379
C174, L104
BIAS
R-CH
TRAP
T301
BIAS+9V
BIAS OSC
Q378,380
Q370
FM/AM TUNER UNIT
ST-L MAIN
E
ST-L
SECTION
(Page 29)
FM ANT
R-CH
ST-R
TUNED
AM ANT
ST-DIN
ST-DOUT
AM ANT
ST-CLK
ST-CE
AIN1
32
A EQ OUT1
28
B
34
BIN1
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
REC-OUT1
21
EQ
13
Q340, 343
A TRIG
DRIVE
Q342, 345
B TRIG
DRIVE
Q341,344
CAP MOTOR
DRIVE
28 28
PB OUT1
TAI1
27 26
CN510
MUTE
Q280
L
R-CH
CONNECTOR
R-CH R
MUTE DRIVE
Q542, 543
REC-OUT-L
REC IN1
24
SYSTEM CONTROL
(CD/TAPE MECHANISM CONTROL)
IC401(2/5)
11 15 14
65
TC-MUTE/IO-EXP DATA OUT
67 REC-MUTE
58
ALC
59 PB-A/B
56 REC BIAS
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
TUNED
88
87 MC DOUT(ST)
85 MC DIN(ST)
86 ST-CLK
84 ST-CE
MAIN
TC-PB-L
C SECTION
(Page 29)
TEST
MAIN
SECTION
D
(Page 29)
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: TUNER (FM/AM)
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD