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HCD-NEZ3/NEZ5
16
16
HCD-NEZ3/NEZ5
AC
DETECT
Q333, 338
R-CH
+
56
INPUT SELECT,
ELECTRICAL VOLUME
IC302
57
28
RECO-L
18
OUT-L
13
CONT
21 CD-L
23 ST-L
2 TC-L
19 AUX-L
REC/PB
SWITCH
Q326 – 332
R-CH
CD
A
• 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
IMPEDANCE
USE 6 – 16
Ω
+
–
–
–
+
R
L
J302
TUNER UNIT
L OUT
R OUT
ST CE
CE
R-CH
TUNED
TUNED
STEREO
STEREO
ST MUTE
TU-MUTING
ST DIN
DO
ST DOUT
DI
ST CLK
CLK
CE
TUNED
STEREO
DO
DI
CLK
RDS DATA
RDS DATA
RDS INT
RDS CLOCK
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
+
POWER
AMP
IC501
53
STDIN
51
STCLK
49
STCE
48
TUNED
54
STEREO
50
DOUT
TU-MUTING
55
STMUTE
RDS DATA
RDS CLOCK
47
REC/PB
18
BIAS
RDSDATA
RDS INT
87
I POWER MONITOR
58
FDATA
60
AMPMUTE
61
AMPSTBY
CAPSTAN/REEL
MOTOR DRIVE
Q1804, 1805
PLUNGER
DRIVE
Q1802, 1803
M M
(CAPSTAN/REEL)
(DECK-A)
SOL
10V
MOTOR
10V
PACK
REC
PLAY SW
END SW
TCPLAY
ENDSW
ENDSW
94
78
79
TC HARF/REC
80 S0L
35 LCDDATA
36 LCDCLK
36 LCDCLK
81 TCMOTOR
SIRCS
7
SYSTEM CONTROLLER
IC1801 (2/2)
(NEZ5: AEP, UK, EE, RU)
(EXCEPT E, E51, EA, SP)
(EXCEPT E, E51, EA, SP)
(E, E51, EA, SP)
(NEZ5)
(NEZ5: AEP, UK, EE, RU)
(NEZ5: AEP, UK, EE, RU)
M301
(FAN)
(FAN)
FAN MOTOR
DRIVE
Q316, 317
M
M
+
D307
D320
D313
(AC IN)
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
T902
SYS +3.3V
LCD +3.3V
LCD +4V
RECT
D911 – 914
D1809
D1898
D922, 923
D920, 936
AMP B+
TO
POWER AMP
AMP B–
VOLTAGE
SELECTOR
S901
+4V
REGULATOR
IC901
+9V
REGULATOR
IC902
+10V
REGULATOR
IC900
D +4V
+4V
REGULATOR
IC903
RECT
D916, 917
RECT
D918, 919
RECT
D907 – 910
RDS +3.3V
AM
ANTENNA
FM ANT
AM ANT
ANT GND
ANT GND
FM 75
Ω
COAXIAL
VOLTAGE
DETECT
IC1803
MAIN POWER
RELAY DRIVE
RELAY DRIVE
Q311, 315
+3.3V
REGULATOR
D305
D +3.3V
A +9V
M +10V
+7V
REGULATOR
Q320, 321
M +7V
B+ SWITCH
Q300, 301
65
CDON
6
POWER ON
20
ACCUT
12
RESET
REMOTE CONTROL
RECEIVER
IC1802
BACKLIGHT
76
LED DRIVE
Q1808
D1804, 1805
(LCD BACK LIGHT)
STBYLED
5
LED DRIVE
Q1806
D1806
X1801
32.768kHz
11
10
XT2
XT1
15
13
X1802
10MHz
CF2
CF1
LCD1801
LIQUID
CRYSTAL
DISPLAY
97 VOL ENCORDER
77 CD OPEN
ROTARY
ENCODER
RV1801
VOLUME
STANDBY
S1801 – 1813
(FRONT PANEL KEYS)
S820
(CD LID OPEN/CLOSE DETECT)
KEY0,
KEY1
KEY1
90, 89
RESET
SWITCH
Q1801
AC DETECT
Q1807
RY901
CD +1.5V
+1.5V
REGULATOR
IC303
74 KEYWAKEUP
B+ SWITCH
Q1809 – 1811
• Abbreviation
E51
: Chilean and Peruvian
EA
: Saudi Arabia
EE
: East European
RU
: Russian
SP
: Singapore
7-2. BLOCK DIAGRAM – MAIN Section –
(Page 15)
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