Block Diagram - Main Section - Aiwa CX-JPK33 Service Manual

6-2. BLOCK DIAGRAM – MAIN Section –
JK101
L
VIDEO/MD
IN
R
R-CH
CD
(Page 22) A
FM/AM TUNER PACK
FM 75Ω
FM ANT TUNER-L
COAXIAL
TUNER-R R-CH
ANT GND
DO
AM ANT
LC72121 DI
DI
AM
LC72121 DO
CLK
ANT GND
LC72121 CLK
CE
LC72121 CE
TUNED
TUNED
STEREO
STEREO
TU-MUTING
TU MUTE
L-CH
HP1
(PB)
(DECK-A)
R-CH R-CH
L-CH
HRPE1
R-CH R-CH
(REC/PB/ERASE)
(DECK-B)
ERASE
REC/PB
SWITCH
IC201,
Q322, 323
TU-MUTING
CD-MUTING, MP3-STB,
LM-L, LM-R, TM-L, TM-R
(Page 22) B
FRONT SP RELAY
C
(Page 24)
85 83 86 84 67 68
63 MD L
TONE OUT1 37 36 VIN1 VOL OUT1 33
1 CD L
61 TUNER L
INPUT SELECT,
3 TAPE L
TONE CONTROL,
ELECTRICAL VOLUME
IC101
SAOUT1 56
AMS OUT 40
7 PB OUT1
REC OUT1 15
9 TAPE A1
11 TAPE B1
19 18
REC BIAS
AMS DETECT
SWITCH B +9V
Q327
Q324
BIAS OSC
BIAS OSC
L101
Q321
LOADING/TABLE
MOTOR DRIVE
IC371
6 7
11 Q5
CD-MUTING
10 Q4 Q6
12
LM-F
14 Q8
LM-R
13 Q7
TM-F
16 Q10
TM-R
15 Q9
17 Q11
3 4 5
MP3-STB
87 91 88 69
LINE AMP
IC102 POWER
AMP
IC441
R-CH
R-CH
FEED BACK POWER ON STANDBY
MUTING
SWITCH MUTING SWITCH
Q103
Q106 Q105 Q489
R-CH R-CH
B+9V
+
R-CH D201
MUTING POWER AMP
CONTROL ON/OFF
Q101, 102 Q308
BAND-PASS
FILTER
Q351, 352
24 18 19 75
SYSTEM CONTROLLER
IC601 (2/3)
23 23
–1
–2
+
OVER LOAD DC
DETECT DETECT
Q441, 442 Q481, 482
TH441
PROTECTOR
D481
Q486, 488
THERMAL
+
DETECT
Q483, 484
POWER ON
MUTING B+9V
Q309, 313
PROTECT
DETECT
Q485, 487
+
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
: CD PLAY
: TAPE PLAY (DECK-A)
: TAPE PLAY (DECK-B)
: REC
: AUX IN
TAPE MECHANISM
MOTOR/PLUNGER DRIVER
IC602
CAPSTAN/REEL
CAPM+
MOTOR 8 MOTOR DRIVE
Q601
(CAPSTAN/REEL)
18 SO PLUNGER DRIVE
A-SOL
SOL-A 6 (DECK-A)
11 MP3-STB
Q603
3 DATA
4 CLOCK
PLUNGER DRIVE
B-SOL
5 LCH
SOL-B 7 (DECK-B)
Q602
A-HALF
A-MODE
I-TAPE A STAT 22 REC (REW)
B-HALF
B-MODE
I-TAPE B STAT 23 REC (FWD)
I-REEL A IN 70 A-PHOTO
I-REEL B IN
71 B-PHOTO
CX-JPK33
+
L JK441
–
SPEAKER
IMPEDANCE
+
USE 6 – 16Ω
R
–
RY441
J801
PHONES
DECK BLOCK
M M
(DECK-A)
(DECK-B)