Hitachi HTD-K210 Service Manual page 45

VCC
-P12V -12V
L3
L7
FB
FB
CE8
CB6 CE12
0.1uF
47uF/16v
10uF/25v A
1=3
DV33A
2=4
2 4
D3 TP1
R9
1 3
URST#
10k
RESET SW 1N4148
URST#
SW1
2 4
CE11
1 3
+
100uF/16v
SW PUSH
BUTTON
FLAT TYPE
Vout = 1.21 x ( 1 + R11/ R12 )
+P12V
R2
3 2
Q1
1k
2N3906
R5
R4
3k 0
CE4
+
Q2
1
2N3906
330uF/25v
A_MUTE
C
R6
10k
B E
3906
+P12V
+12V
AVCC
AV33
L4
FB
CB7
CE9 +
+
CB9
0.1uF
10uF/25v A
0.1uF
47uF/16v
DV33A
R10
VCC
10k U3
LT1963-3.3
R11
PWDN#
1
SHDN OUT
2
0
IN
3
CB10
G
CE16 0.1uF
+
220uF/16v A
U2
V33
LT1963-1.8
PWDN# 1
SHDN OUT
2
IN
CE7
3
220uF/16v A CB5
G
0.1uF
+
Vout = 1.21 x ( 1 + R7 / R9 )
DV33A
V33
RFV33 R3
R1
220
L8
220
FB
Alive LED
CB11
CE15
+
0.1uF
LED1
LED2
LED DIP2.54
LED DIP2.54
AV33
L5
FB
CB8
CE10
+
0.1uF
47uF/16v
DV33
L6
4
FB
+ +
CE13
R12 V33
180
CE14
220uF/16v A
10uF/25v A
CB1
R13
0.1uF
100
V18
L2 CE2
+
4
FB
CE6
10uF/25v A
CE5
+ +
R7
110
220uF/16v A 10uF/25v A
Power ON alive source
R8
220
CON1
VCC 1
VCC
2
GND
3
4
+P12V
+P12V
V33 5
V33
-P12V 6
-P12V
6x1 W/HOUSING
DIP6/W/H/P2.54
URST#
URST#
A_MUTE
A_MUTE
PWDN#
PWDN#
DV33A
L1
FB
CB2
CE1 +
0.1uF
D2 10uF/25v A
D1
1N4004/N.C
1N4004/N.C
U1 1V8A
3 2
IN OUT
CB3
CE3
+ CB4
0.1uF
0.1uF
10uF/25v A
AZ1117H-1.8
SOT223/SMD