Block Diagram - Main Section - Sony CMT-CNEZ3 Service Manual

HCD-NEZ3/NEZ5
4-2. BLOCK DIAGRAM – MAIN Section –
J321
AUDIO IN
CD
(Page 9)
A
TUNER (FM/AM)
FM 75Ω
FM ANT L OUT
COAXIAL
R OUT
ANT GND
ANTENNA
ST DIN
AM ANT
ST DOUT
AM
ST CLK
ANT GND
ST CE
TUNED
STEREO
ST MUTE
RDS DATA
RDS INT
(NEZ5)
L-CH
R-CH R-CH
HRPE301
(REC/PB/ERASE)
ERASE
REC/PB
SWITCH
Q326 – 329,
Q332, 334, 335
TAPE MECHANISM
DECK BLOCK
MOTOR
10V CAPSTAN/REEL
M M
MOTOR DRIVE 23 O-TC-MOTOR
Q804, 805
(CAPSTAN/REEL)
SOL
PLUNGER
10V
DRIVE 22 O-TC-SOL
Q802, 803
(DECK-A)
PACK
REC 38 I-TC-REC/PLAY SW
PLAY SW 20 I-TC-PLAY SW
END SW 21 I-TC-END SW
COM0 – COM1
LCD801
LIQUID
CRYSTAL
DISPLAY
SEG0 – SEG32
REMOTE CONTROL
RECEIVER 9 I-RMC (SIRCS)
IC802
HCD-NEZ3/NEZ5
19 AUX-L
R-CH
21 CD-L
23 ST-L
R-CH
DO
INPUT SELECT,
DI
ELECTRICAL VOLUME
CLK
IC302
CE
TUNED
STEREO
TU-MUTING
RDS DATA
RDS CLOCK
2 TC-L
CONT
13
REC BIAS
M +10V
SWITCH
Q347, 348
BIAS OSC
BIAS OSC
T301
Q344
(NEZ5)
57 33 56 55 24 25 26 27 45 19 18 4
SYSTEM CONTROLLER
IC801 (2/2)
17
(CD LID OPEN/CLOSE DETECT)
LED DRIVE
Q808
VOLUME
D804, 805 D806
(LCD BACK LIGHT)
STANDBY
S801 – 813
(FRONT PANEL KEYS)
OUT-L 18
POWER
AMP
IC501
R-CH
+
RECO-L 28
D320
DC
DETECT
Q342, 343
D307
+
AC
DETECT
Q333, 338
X801 X802
32.768kHz 4.19MHz
14 13 93 92 2 40 36
S820
28 I-SW_CD-LID
ROTARY
ENCODER 48 I-RE-VOL
I-AC-CUT 42
RV801
RESET
RESET 54 SWITCH
Q801
I-KEY0/WAKE-UP,
I-KEY_1
O-POWER 46
10 10
J500
PHONES
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
+
L
–
J302
SPEAKER
+
R
–
+
(NEZ5)
M301
(FAN)
D313
FAN MOTOR
M M
DRIVE
Q316, 317
AMP B+
TO
POWER AMP
AMP B–
+10V
M +10V REGULATOR
IC900
M +7V
D303, 304
+1.8V
CD +1.8V
REGULATOR
IC202 +9V
A +9V REGULATOR
D +3.3V
IC303
(NEZ5)
RDS +3.3V
+3.3V
D +3.3V REGULATOR
IC901
D809
+4V
SYS +3.3V REGULATOR
IC903
VOLTAGE
AC DETECT
DETECT
Q807
IC803
: TUNER
: CD PLAY
: TAPE PLAY
: REC
: AUX IN
MAIN POWER
TRANSFORMER
T902
D920, 936
RECT
D918, 919
RECT
D916, 917
RECT
D911 – 914
RY901
SUB POWER
TRANSFORMER
T901
RECT
(AC IN)
D907 – 910
D922, 923
MAIN POWER
RELAY DRIVE
Q315