Service manual
3030
HCD-NEZ30
HCD-NEZ30
C901
C902
CN900
CN903
R911
R911
4.7k (TYPE B) (US, CND, UK, EE)
47k (TYPE A) (US, CND, E, E51, MX, AR)
R912
C918
C923
D926
D927
D928
D919
D920
C919
D918
D322
C336 C350
R914R915
Q338
IC903
C920 C925
D907
D909D910
D908
D923
R908
R904
R905
R909
C922
C930
D916
R919
D917
CN901
R906
C914
R913
JW915 JW916
JW914
T902
T901
JW909
LF901
R903
Q333
R916
RY901
IC901
JW921
JW920
Q315
C921
JW904
JW906
JW907
C931
IC900
R921 R922
CN902
R901
R902
D911
D913
D914 D912
D930
D929
S901
D922
D906
JW902
JW908
JW901
JW905
JW911
0.1
0.1
9P
4P
∗
∗
R912
100k (TYPE B) (US, CND, UK, EE)
47k (TYPE A) (US, CND, E, E51, MX, AR)
∗
∗
470
6.3V
0.1
1N4002B
1N4002B
1N4002B
D921
1SS355WTE-17
1N5401M
MC2838
2200
25V
1N5401M
MC2836
22
50V
10
50V
4.7k22k
RT1N141C-TP-1
TA7804LS
100
16V
0.01
1N4002B
1N4002B1N4002B
1N4002B
MC2838-T112-1
1k
4.7k
4.7k
1k
220
10V
0.1
1N5401M
47k
1N5401M
2P
10k
10
50V
47k
2.2M
1/2W
RT1N141C-TP-1
47k
TA78033LS
KTC3198GR-AT
1000
16V
4700p
250V
KIA7810API
47k 220k
R920
0
7P
22k
22k
1N5401M
1N5401M
1N5401M 1N5401M
1S
S355W
TE-17
1SS355WTE-17
1SS355WTE-17
1SS355WTE-17
+B
GND
-B
ACDET
D+4V(SUB)
DGND
POWERON
I-P MONITOR
MGND
M+10V
GND(CT)
DGND
MGND
+UNREG
DGND
PROTECT
M+10V
(CHASSIS)
+4V REGULATOR
O
G
I
O
G
I
Q333,338
AC DETECT
RELAY DRIVE
MAIN POWER
G
OI
+10V REGULATOR
MAIN POWER
TRANSFORMER
TRANSFORMER
SUB POWER
(AC IN)
ACDET
+UNREG(SUB)
GND
GND(CT)
RELAY
D+3.3V(MAIN)
D+3.3V
+3.3V REGULATOR
I-P.MONITOR
VOLTAGE
SELECTOR
220V
230-240V
120V
(EXCEPT E,E51)
(EXCEPT E,E51)
(UK,EE,AR)
(US,CND,E,E51,MX)
(TYPE B: US, CND)
(EXCEPT E,E51)
(E,E51)
(EXCEPT E,E51)
(US,CND)
(E,E51)
(E,E51)
7-12. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
(Page
23)
(Page
27)
(Page
23)
Ver. 1.5
Note: Refer to “NOTE WHEN PARTS RELATED TO POWER
TRANSFORMER ARE REPLACED” (page 4) in the servic-
ing notes when the entire DC board, D921, R911, R912,
R920, T901 or T902 is replaced. (US and Canadian mod-
els only)