Block Diagram - Tuner/Tape/Panel Section - Aiwa CX-JT7 Service Manual

6-2. BLOCK DIAGRAM – TUNER/TAPE/PANEL Section –
L-CH
HP1
(PB)
(DECK-A)
R-CH R-CH
L-CH
HRPE1
(REC/PB/ERASE) R-CH R-CH
(DECK-B)
ERASE
MUTING
Q219, 221
R-CH
TUNER UNIT
ANTENNA
FM 75Ω
FM ANT L-CH
(COAXIAL)
R-CH
AM LOOP AM ANT
DI
DO
CLK
CE
TUNED
ST
TU-MUTE
RDS DATA
RDS INT
MIC
MIC, SA SA
SPEANA AMP
E
(Page 24)
HP
F
(Page 24)
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY (DECK-A)
: TAPE PLAY (DECK-B)
: REC
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BIAS OSC
L201
REC BIAS
SWITCH +9V
Q228
BIAS OSC
Q223
REC ON/OFF
SWITCH
Q222, 225
R-CH
SYSTEM CONTROLLER
IC901 (2/2)
91 O-LC72121/M61529/BU2099 DO
87 I-LC72121 DI O-BU2099 LCK
92 O-LC72121/BU2099 CLK
9 O-LC72121 CE O-M61529 CLK
88 I-TUNER TUNE
97 I-TUNER STEREO
(AEP, UK)
2 I-BU1924 DI
3 I-BU1924 CLK
(Except AEP, UK, CIS)
21 I-MIC/I-TU SIG
18 I-SPEANA L
BAND-PASS
FILTER 19 I-SPEANA M O-POWER LED
Q201, 202
Q204 – 206
20 I-SPEANA H
76 I-HP MUTE
REMOTE CONTROL
RECEIVER 28 I-RMC
IC802
ROTARY
84 I-VOL A
O-KEYSCAN
VOLUME ENCODER
83 I-VOL B
S801
ROTARY
80 I-BASS A
BASS ENCODER
S7/I-A-PHOTO
79 I-BASS B
S802
I-B-PHOTO
S8/I-A-HALF
ROTARY
82 I-JOG A
MULTI JOG ENCODER
81 I-JOG B S6/I-A-MODE
S803
S9/I-B-MODE
I-REC (FWD)
ROTARY
TREBLE 78 I-TRE A
ENCODER S10/I-REC (REW)
MIDDLE
77 I-TRE B
S804
S301 – 309,
I-KEY1 –
S311 – 331
I-KEY3
(FRONT PANEL KEY)
KEY ACTIVE
+3.3V (SUB) SWITCH
Q504, 505
+4V
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DECK A/B SELECT SWITCH, REC/PB EQ AMP
IC201 (SUFFIX-11) IC201 (SUFFIX-13)
AIN (L)
TAI (L) MUTE
32
EQOUT (L)
28 27
BIN (L)
34
REC-
OUT (L) REC-IN (L)
21 EQ 24
MULTI CONTROLLER
IC309 (SUFFIX-11) IC309 (SUFFIX-13)
A/B 13 8 A/B
PB MUTE
MUTE-ON/OFF 14 9
REC MUTE-ON/OFF 15 10 REC MUTE
7 BIAS
6 REC
11 TUNER MUTE
8
7
XT1 12
X901
32.768kHz
XT2 13
CF1 15
X902
8.64MHz
CF2 16
LED901
93
POWER 1 STANDBY/ON
B+ SWITCH
+3.3V
Q921
95
B+
S7/U5
48
U8
52
S8/U6 D603 – 610
49
U9
I-B-HALF 53
S6/U4
47
S9/U10
DISC DIRECT PLAY
54
U7
50
S10/U11
55
S1 – S5,
FL902
S11 – S23
FLUORESCENT
INDICATOR TUBE
G1 – G11
23 23
PB-OUT (L) TAPE-L
26
REC-L
FRONT SPON/OFF 16
LM-F
LM-L (CD) 13
LM-R
LM-R (CD) 12
TM-F
TM-L (CD)
15
TM-R
TM-R (CD) 14
DATA 3
CLOCK 4
LCK 5
SO 18
MANUAL 15
3 DATA
4 CLOCK
5 LCK
18 SO HIP POP 14
LED201
6 CD TECHNO 13
CD
LED202
7 TUNER SALSA 12
TUNER BAND
LED203
8 AUX VOCAL 11
MD (VIDEO)
LED204
9 TAPE HEAVY 10
TAPE A/B
LED DRIVER
IC201
CAPSTAN/REEL
3 DATA
MOTOR 10 MOTOR DRIVE
4 CLOCK
Q601
5 LCK
18 SO
PLUNGER DRIVE
A-SOL 11 (DECK-A)
LED301
6 CD1 Q602
1
PLUNGER DRIVE
B-SOL 12 (DECK-B)
LED302
Q603
7 CD2
2
LED303
8 CD3
3
LED213
9 I-BASS
i-BASS
LED DRIVER,
TAPE MECHANISM CONTROLLER
IC202
CX-JT7
TAPE-L, REC-L
G
(Page 24)
SP-F
H (Page 24)
LM-F, LM-R, TM-F, TM-R
D
(Page 22)
TUNER-L
J (Page 24)
DI, SO, CLK, MCLK, LCK,
K (Page 24)
LED211
MANUAL
LED210
HIP POP
LED208
TECHNO
LED207
SALSA
LED206
VOCAL
LED205
HEAVY
TAPE MECHANISM
DECK BLOCK
CAPM+
M M
(CAPSTAN/REEL)
A-SOL
(DECK-A)
B-SOL
(DECK-B)
U5
A-PHOTO
U8
B-PHOTO
U6
A-HALF
U9
B-HALF
U4
A-MODE
U10
B-MODE
U7
REC (FWD)
U11
REC (REW)