Block Diagram – Main Section - Sony CX-JN44 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
TUNER-L
FM ANT
COAXIAL
TUNER-R R-CH
ANT GND
AM ANT DO
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
CD-MUTING,
LM-L, LM-R, TM-L, TM-R
(Page 22) B
FRONT SP RELAY
(Page 24) C
85
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
SWITCH B +9V
Q324
BIAS OSC
BIAS OSC
L101
Q321
LOADING/TABLE
MOTOR DRIVE
IC371
6 7
TU-MUTING
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
83 86 84 67 68 87 91 88
98
LINE AMP
IC102
R-CH
R-CH
FEED BACK POWER ON
MUTING
SWITCH MUTING
Q103
Q106 Q105
R-CH R-CH
B+9V
+
R-CH D201
MUTING
CONTROL
Q101, 102
BAND-PASS
AMS DETECT
FILTER
Q327
Q351, 352
69 24 18 19 75
SYSTEM CONTROLLER
IC601 (2/3)
23 23
POWER
AMP
IC441
+
STANDBY OVER LOAD DC
SWITCH DETECT DETECT
Q489 Q441, 442 Q481, 482
TH441
D481
THERMAL
+
DETECT
Q483, 484
POWER ON
B+9V
MUTING
Q309, 313
POWER AMP PROTECT
ON/OFF DETECT
Q308 Q485, 487
+
D207
TAPE MECHANISM
DECK BLOCK
CAPSTAN/REEL
LEVEL SHIFT CAPM+
M M
MOTOR DRIVE
Q606
Q601
(CAPSTAN/REEL)
PLUNGER DRIVE
A-SOL
LEVEL SHIFT
(DECK-A)
Q608
Q603
(DECK-A)
PLUNGER DRIVE
B-SOL
LEVEL SHIFT
(DECK-B)
Q607
Q602
(DECK-B)
A-HALF
A-MODE
1 3 2
22 REC (REW)
I-TAPE A STAT
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-JN44
–1
+
JK441
L
–
SPEAKER
IMPEDANCE
–2
+
USE 6 – 16Ω
R
–
RY441
PROTECTOR
Q486, 488
J801
PHONES
D206
FAN MOTOR
M901
+
M M
DRIVE
(FAN)
Q310
• 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