HCD-ZT4
HCD-ZT4
24
24
7-2. BLOCK DIAGRAM - MAIN Section -
R-CH
L501
BIAS OSC
S501
(REC/PB)
PB
REC
REC AMP
IC502
PB AMP
IC501
OSC
Q501, 502
TUNER (FM/AM)
TAPE MECHANISM
DECK
AM
FM ANT
AM ANT
ST-L
ST-R
ST-DOUT
R-CH
LCH
RCH
EH
R-CH
ST-DIN
ST-CLK
ST-CE
FM75
Ω
COAXIAL
ANTENNA
AUDIO INPUT
L
R
J703
R-CH
Rch+
Lch+
TXD
DET
RXD
DMPORT
CN1302
TUNED
61 ST-TUNED
45 TAPE-L
43 ST-L
21
DA
TA
22
CLK
42
30
AUX-L
46 MIC
29 VOLINL
TONEOUTL
26
OUTL
44 CD-L
41 DMPORT-L
DMPOR
T DET
TC-T
APE ST
ATE
67 ST-DOUT
66 ST-CLK
63 ST-CE
57
MC RXD
32
MC TXD
31
82
13
14
5
6
7
R2A15216FP-DA
TA
60
9
SA2
POWER ILLUMINET
OR
68
VACS IN
89
R2A15216FP-CLK
59
MIC/HP
DET
71
23
SWOUT
28
BB1L
36
RECBL
37
RECAL
BAND-PASS
FILTER
Q115, 116
R-CH
27
BB2L
BASS AGC
Q128
D630
D201
INPUT SELECTOR,
ELECTRICAL VOLUME
IC407
SYSTEM CONTROLLER
IC401 (2/4)
: TUNER (FM/AM)
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: TAPE PLAY
: TAPE REC
: AUDIO IN
: MIC
: DMPORT
J700
MIC
RV700
MIC LEVEL
MIC AMP
IC700 (1/2)
LINE AMP
IC1300
MIC AMP
IC700 (2/2)
SW
C
HP IN
A
CD-L
B
USB_REC-L
E
SW OUT
F
BASS AGC
D
OUT
LINE AMP
IC251
65 ST-DIN
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