Sony SS-CNE3 Manuale di servizio - Pagina 20

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Sony SS-CNE3 Manuale di servizio
HCD-NE3
6-2.
BLOCK DIAGRAM – MAIN Section –
J303
L
MD
R
R-CH
CD
(Page 15)
A
FM/AM TUNER PACK
FM 75Ω
FM ANT
TU-LCH
COAXIAL
TU-RCH
R-CH
ANT GND
ANTENNA
DO
TU-DI
AM ANT
DI
TU-DO
CLK
AM
TU-CL
CE
ANT GND
TU-CE
TUNED
TUNED
STEREO
STEREO
TU-MUTING
MUTE
L-CH
R-CH
R-CH
HRPE301
(REC/PB/ERASE)
ERASE
REC/PB
SWITCH
Q326 – 332
TAPE MECHANISM
DECK BLOCK
CAPSTAN/REEL
MOTOR 9V
M M
MOTOR DRIVE
93 TA MOTOR
Q804, 805
(CAPSTAN/REEL)
PLUNGER
SOL 9V
DRIVE
96 TA SOL
Q802, 803
(DECK-A)
PACK
REC
24
TA-SW
TA PLAY SW
PLAY SW
91
FWD SW
92
TA END SW
SEG1 – 33
FL801
FLUORESCENT
INDICATOR TUBE
LCD COM0 – 3
REMOTE CONTROL
RECEIVER
29
RMC
IC802
19 AUX-L
OUT-L
18
21 CD-L
23 TU-L
INPUT SELECT,
ELECTRICAL VOLUME
IC302
REC-O-L
28
2 TA-L
CONT
13
REC BIAS
SWITCH
B +10V
Q346 – 348
BIAS OSC
BIAS OSC
T301
Q344, 345
X801
32.768kHz
32
30 34 35
33
36 37
94
95
28
13
SYSTEM CONTROLLER
IC801 (2/2)
97
39
LED DRIVE
LED DRIVE
Q808
Q806
(CD LID OPEN/CLOSE DETECT)
D701 – 703
D806
(LCD BACK LIGHT)
(STANDBY)
VOLUME
S801 – 813
(FRONT PANEL KEYS)
POWER
AMP
IC501
R-CH
+
DC
DETECT
Q342, 343
D307
+
AC
DETECT
Q333, 338
X802
10MHz
12
16
15
98
99
18
D +3.3V
M +7V
CD ON
2
S820
4 CD OPEN
I POWER DOWN
23
RESET SWITCH
RESET
11
ROTARY
Q801
ENCODER
22 VOL ENCODER
RV801
PWR ON
1
KEY0,
KEY1
16
16
J301
PHONES
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
+
: CD PLAY
J302
L
–
SPEAKER
: TAPE PLAY
IMPEDANCE
+
USE 6 – 16Ω
: REC
R
–
: AUX IN
D920, 921
RECT
AMP B+
D918, 919
TO
POWER AMP
RECT
AMP B–
D916, 917
+3.3V
REGULATOR
Q317
+7V
B+ SWITCH
REGULATOR
Q319, 320
IC306
+3.3V
REGULATOR
SYS +3.3V
Q339
+10V
RECT
REGULATOR
VM +10V
D913, 914
IC305
D809
SYS +3.1V
D810
+3.9V
RECT
SYS +3.2V
REGULATOR
D907 – 910
Q312 – 314
VOLTAGE
D922
D923, 924
DETECT
IC803
MAIN POWER
TRANSFORMER
T902
(EXCEPT E, E51, EA, SP)
(E, E51, EA, SP)
RY901
SUB POWER
VOLTAGE
TRANSFORMER
SELECTOR
T901
S901
(AC IN)
(EXCEPT E, E51, EA, SP)
MAIN POWER
RELAY DRIVE
Q311, 315