Reg Unit - Denon AVR-1912E3 Service Manual

A B C
1
CN13B
2
VIDEO+5V
VIDEO_GND
VIDEO_GND
VIDEO-5V
3
CN13A
RL GND
RL +B
4
TU 3.3/5V/9V
AGND
AGND
A-8V
A+8V
TRG GND
TRG 15V
DA_+5V
5
6
7
8
9
10
GND POWER +
A B C
D E F
REGULATOR B'D
VIDEO_+5V
VIDEO_-5V
IC105
NJM7805FA
3 1
OUT IN
+8V
2
-8V
OPTION_A
IC108
NJM2388F
C
OUT IN
*OPTION TABLE
MODEL
AREA
OPTION_A
OPTION_B
OPTION_C
OPTION_D
OPTION_E
OPTION_F
OPTION_G
POWER - STBY POWER
D E F
G H I
D114
RB721Q-40(SCHOTTKY)
IC103
NJM7805FA
OUT IN
OPTION_E
OUT IN
IC104
NJM7905FA
OPTION_C
RB721Q-40(SCHOTTKY)
D117
D118
RB721Q-40(SCHOTTKY)
IC106
NJM7808FA
OUT IN
OUT IN
IC107
NJM7908FA
D122
RB721Q-40(SCHOTTKY)
AVR1712/1912/2112
E3 E1C/E2/EA/JP
NJM2388F05 NJM2388F09
X O
O X
X O
4700/16 3300/16
X X
X 470/25
G H I
110
J K L
AVR17_19_2112
OPTION_D
D126
1N4007
TU_VOLT_IN
TU_VOLT_IN
D145
TU_VOLT_IN
TU_VOLT_IN 1N4007
TU_GND
TU_GND
TU_GND
TU_GND
-5V_IN
-5V_IN
-5V_IN
-5V_IN
VGND
VGND
VGND
VGND
+5V_IN
+5V_IN
+5V_IN
+5V_IN
OPTION_B
TRG 15V
TRG 15V
TRG 15V
TRG 15V
TRG GND
TRG GND
CN100
CP100
OPTION_F
OPTION_G
CP101
D141
+8V_IN
+8V_IN
D137
+8V_IN
+8V_IN
AGND
AGND
D142
AGND
AGND
D138
AGND
AGND
AGND AGND
D143
AGND AGND
D139
-8V_IN
-8V_IN
D144
-8V_IN
-8V_IN
D140
CN101
SCHEMATIC DIAGRAMS (5/26)

REG UNIT

J
K L
M N O
REG_CNT 1/4
1
2
3
4
FUSE F105,F106
T1.6AL/250V
D124 R120
1N4007 OPEN
F104
D125
1.25A
1N4007
5
F105
FUSE
D127
1N4007 R121
OPEN
D128
1N4007
6
CP102
D129
1N4007
AC_IN
D130
VGND
1N4007
AC_IN
D131
AC_IN
1N4007
D132
1N4007
D133
R122
1N4007 OPEN
7
D134
1N4007 F106
FUSE
F107
OPEN
8
1N4007
R123
1N4007 0R22(1)
1N4007 C146
OPEN
1N4007
AC_IN
A_GND
1N4007
C148 AC_IN
1N4007
OPEN
1N4007
CP104
C147 R124
1N4007
100N(M)-50V 0R22(1)
F108
OPEN 9
10
M N O