Read Sony CX-JV55 / JAX-V55 Service Manual online
CX-JV55
25
25
CX-JV55
6-3. BLOCK DIAGRAM – MAIN Section –
OVER LOAD
DETECT
Q441, 442
PROTECT
DETECT
Q485, 487
AMS DETECT
Q327
THERMAL
DETECT
Q483, 484
FAN MOTOR
DRIVE
Q310
FEED BACK
SWITCH
Q106
TH441
R-CH
R-CH
R-CH
+
R-CH
R-CH
7
INPUT SELECT,
TONE CONTROL,
ELECTRICAL VOLUME
IC101
LOADING/TABLE
MOTOR DRIVE
IC371
Q1
6
Q0
58
MIC
37
TONE OUT1
15
REC OUT1
54
LINE OUT1 L
33
VOL OUT1
3
DATA
4
CLOCK
5
LCH
19
SI
12
Q6
14 Q8
17 Q11
FRONT SP RELAY
11 Q5
TU-MUTING
13 Q7
LM-R
LM-F
16 Q10
TM-F
15 Q9
1 CD L
61 TUNER L
3 TAPE L
9 TAPE A1
7 PB OUT1
11 TAPE B1
63 MD L
36 VIN1
TM-R
REC/PB
SWITCH
IC201,
Q322, 323
R-CH
CD-L
E
HP DET
G
MIC
F
LM-L, LM-R,
TM-L, TM-R
TM-L, TM-R
A
• SIGNAL PATH
: CD PLAY
: TAPE PLAY (DECK-A)
: REC
• R-ch is omitted due to same as L-ch.
: TAPE PLAY (DECK-B)
: TUNER
H
10 Q4
CD-MUTING
J
JK101 (1/2)
R
VIDEO/SAT
IN
L
R-CH
JK101 (2/2)
R
VIDEO/SAT
OUT
L
: AUX IN
: MIC
D481
D207
D206
M901
(FAN)
(FAN)
D201
J801
PHONES
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
+
–
–
–
+
R
L
FM/AM TUNER PACK
AM
FM ANT
AM ANT
TUNER-L
TUNER-R
LC72121 CE
CE
R-CH
ANT GND
ANT GND
TUNED
TUNED
STEREO
STEREO
TU MUTE
TU-MUTING
LC72121 DI
DO
LC72121 DO
DI
LC72121 CLK
CLK
CE
TUNED
STEREO
DO
DI
CLK
FM 75
Ω
COAXIAL
BIAS OSC
L101
REC BIAS
SWITCH
Q324
B +9V
BIAS OSC
Q321
ERASE
HRPE1
(REC/PB/ERASE)
(DECK-B)
HP1
(PB)
(DECK-A)
L-CH
R-CH
R-CH
L-CH
R-CH
R-CH
40
AMS OUT
BAND-PASS
FILTER
Q351, 352
56
SAOUT1
18
SC
+
JK441
RY441
–1
–2
PROTECTOR
Q486, 488
POWER ON
MUTING
Q105
STANDBY
SWITCH
Q489
MUTING
Q103
MUTING
CONTROL
Q101, 102
POWER AMP
ON/OFF
Q308
DC
DETECT
Q481, 482
+
+
+
POWER
AMP
IC441
LINE AMP
IC102
B+9V
B+9V
POWER ON
MUTING
Q309, 313
83
I-LC72121 DI
86
O-LC72121/BU2099FV CLK
84
O-LC72121 CE
67
I-TUNED-IN
68
I-STEREO-IN
87
O-BU2099FV LCH
85
O-LC72121/BU2099FV DO
69
I-AMS-IN
24
I-STREAM/VACS
18
I-PROTECT
91
O-BD3401 DATA
88
O-BD3401 CLK
75
O-SYSTEM-MUTE
3
SOL-B
4
SOL-A
2
MOTO
CAPSTAN/REEL
MOTOR DRIVE
Q601
PLUNGER DRIVE
(DECK-A)
Q603
M
M
(CAPSTAN/REEL)
(DECK-A)
(DECK-B)
M
M
PLUNGER DRIVE
(DECK-B)
Q602
A-HALF
Q607
Q608
Q606
A-MODE
REC (REW)
A-PHOTO
B-PHOTO
I-REEL A IN
I-REEL B IN
22
70
71
I-TAPE A STAT
B-HALF
B-MODE
REC (FWD)
23
I-TAPE B STAT
SYSTEM CONTROLLER
IC601 (2/3)
TAPE MECHANISM
DECK BLOCK
(Page 24)
(Page 24)
(Page 23)
(Page 24)
(Page 26)
(Page 24)
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