Block Diagram - Main Section - Sony HCD-NEZ30 Service Manual

HCD-NEZ30
Ver. 1.1
Q Q
3 7 6 3 1 5 1 5 0
7-2. BLOCK DIAGRAM – MAIN Section –
J321
R-CH
AUDIO IN
CD
A
(Page 17)
TUNER (FM/AM)
FM 75Ω
FM ANT L-OUT
COAXIAL
R-OUT R-CH
ANT GND
ANTENNA
DO
DI
AM ANT DI
DO
CLK
AM
CLK
CE
ANT GND
CE
TUNED
ST (TUNED)
L-CH
R-CH R-CH
HRPE301
(REC/PB/ERASE)
ERASE
T E
L 1 3 9 4 2 2 9 6 5 1 3
REC/PB
SWITCH
Q326 – 329,
Q332, 334, 335
TAPE MECHANISM
DECK BLOCK
MOTOR
57
CAPSTAN/REEL
10V
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
I-TC-END SW
END SW 21
COM0 – COM1
LCD801
LIQUID
CRYSTAL
DISPLAY
SEG0 – SEG32
w w w
REMOTE CONTROL
I-RMC (SIRCS)
RECEIVER 9
IC802
HCD-NEZ30
19 AUX-L
OUT-L 18
21 CD-L
23 ST-L
INPUT SELECT,
ELECTRICAL VOLUME
IC302
RECO-L 28
2 TC-L
CONT
13
REC BIAS
SWITCH M +10V
Q347, 348
BIAS OSC
BIAS OSC
T301
Q344
X801
32.768kHz
33 56 55 24 19 18 4 14 13
SYSTEM CONTROLLER
IC801 (2/2)
25 17
S820
(CD LID OPEN/CLOSE DETECT)
LED DRIVE
Q808
ROTARY
VOLUME ENCODER
RV801
D804, 805 D806
(LCD BACK LIGHT)
STANDBY
x a o
S801 – 805,
S808 – 813
. i
(FRONT PANEL KEYS)
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POWER
AMP
IC501
R-CH
+
D320
DC DC
DETECT DETECT
Q318 – 320 Q342, 343
D307
+
Q Q
3 7 6
AC
DETECT
Q333, 338
X802
4.19MHz
93 92 2 36
28 I-SW_CD-LID
48 I-RE-VOL
I-AC-CUT 42
RESET
RESET 54
SWITCH
Q801
u 1 6 3
y
I-KEY0/WAKE-UP,
I-KEY_1
O-POWER 46
18 18
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2 4
8 9 9
J500
PHONES
+
L
–
J302
SPEAKER
+
R
–
3 1 5 1 5 0 8 9 2
AMP B+
TO
POWER AMP
AMP B–
+10V
M +10V REGULATOR
IC900
M +7V
D303, 304
+9V
A +9V REGULATOR
IC303
+1.8V
CD +1.8V REGULATOR
IC202
D +3.3V
+3.3V
REGULATOR
D +3.3V
IC901
D809
+4V
REGULATOR
SYS +3.3V
IC903
VOLTAGE
AC DETECT
DETECT
Q807
IC803
m
c o
.
2
8 9 9
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
: CD PLAY
: TAPE PLAY
: REC
: AUX IN
MAIN POWER
TRANSFORMER
T902
D920, 936
4 9 8 2 9 9
RECT
D918, 919
RECT
D916, 917
• Abbreviation
E51 : Chilean and Peruvian models
(EXCEPT E, E51)
RECT
D911 – 914
(E, E51)
RY901
SUB POWER
VOLTAGE
TRANSFORMER
SELECTOR
T901
S901
RECT
(AC IN)
D907 – 910
D922, 923
(EXCEPT E, E51)
MAIN POWER
RELAY DRIVE
Q315