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HCD-NEZ30
18
18
HCD-NEZ30
7-2. BLOCK DIAGRAM – MAIN Section –
AC
DETECT
Q333, 338
R-CH
+
13
REC/PB
SWITCH
Q326 – 329,
Q332, 334, 335
R-CH
• SIGNAL PATH
: CD PLAY
: TAPE PLAY
: REC
• R-ch is omitted due to same as L-ch.
: TUNER
J321
AUDIO IN
: AUX IN
J500
PHONES
SPEAKER
+
–
–
+
R
L
J302
TUNER (FM/AM)
L-OUT
R-OUT
CE
CE
R-CH
ST (TUNED)
TUNED
DI
DO
DO
DI
CLK
CLK
CE
TUNED
DO
DI
CLK
BIAS OSC
T301
REC BIAS
SWITCH
Q347, 348
M +10V
BIAS OSC
Q344
ERASE
HRPE301
(REC/PB/ERASE)
TAPE MECHANISM
DECK BLOCK
L-CH
R-CH
R-CH
DC
DETECT
Q342, 343
DC
DETECT
Q318 – 320
+
CAPSTAN/REEL
MOTOR DRIVE
Q804, 805
M M
(CAPSTAN/REEL)
MOTOR
10V
D307
D320
(AC IN)
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
T902
SYS +3.3V
RECT
D911 – 914
D809
D303, 304
D922, 923
D920, 936
AMP B+
TO
POWER AMP
AMP B–
D +3.3V
RECT
D916, 917
RECT
D918, 919
RECT
D907 – 910
AM
ANTENNA
FM ANT
AM ANT
ANT GND
ANT GND
FM 75
Ω
COAXIAL
MAIN POWER
RELAY DRIVE
Q315
D +3.3V
A +9V
M +10V
M +7V
LED DRIVE
Q808
D804, 805
(LCD BACK LIGHT)
17
25
D806
X801
32.768kHz
X802
4.19MHz
CRYSTAL
DISPLAY
ROTARY
ENCODER
RV801
VOLUME
STANDBY
S801 – 805,
S808 – 813
(FRONT PANEL KEYS)
S820
(CD LID OPEN/CLOSE DETECT)
RESET
SWITCH
Q801
AC DETECT
Q807
RY901
CD +1.8V
(EXCEPT E, E51)
(EXCEPT E, E51)
(E, E51)
VOLTAGE
SELECTOR
S901
• Abbreviation
E51 : Chilean and Peruvian models
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299