Denon DVM-4800 Service Manual page 32

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NJM2229S (IC504)
1
STR-L422 (IC901)
FRONT SIDE
1
TE
L 13942296513
ML6426 (IC502)
TOP VIEW
A/B MUX
1
R A/Y A 2
IN IN
GND
3
V 4
CC
R B/Y B
5
IN IN
G A/U A
IN IN 6
G B/U B
7
IN IN
8
B A/V A
IN IN
TC4W53F (IC406)
TOP VIEW
COM 1
www
NH 2
V 3
EE
.
GND 4
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6
16
14
13
10
SYNC IN
16
R
IN
DISABLE
15
R
IN
14 GNDO
G
IN
13 R /Y
OUT OUT
G
IN
12 V
CCO
B
IN
11 G /U
OUT OUT
B
IN
B /V
10
OUT OUT
A/B MUX
9
B B/V B
IN IN
SYNC IN
BA033FP (IC605)
BA18BC0FP (IC803)
2
8 V
CC
7 ch0
TOP
x ao
VIEW
y
6 ch1
i
5 ADR
1 2 3
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8
15 7
Sync Sepa
Phase
Sync Det
Det
8 11 12 4
8 V
IN
UVLO
REG
Latch
Internal Bias
PWM Latch
OSC
S
R Q
INH Latch
Q S
Q Q
R
3 6 7 1 3
2
A/Y A
IN
MUX
B/Y B 5 TRANCECONDUCTANCE
IN
ERROR AMP
A/U A 6
IN
MUX
B/U B 7 TRANCECONDUCTANCE
IN
ERROR AMP
A/V A 8
IN
MUX
B/V B 9
IN TRANCECONDUCTANCE
ERROR AMP
1
16
15
DISABLE
V
CC
REFFERENCE
1
VOLTAGE
u163
3
GND
2
.
2 9 9 4 2 8
9 10
Vsync Sepa
5
32fH
1/32 16
VCO
3 2 1
OVP
Delay
TSD
REG
Drive
INH Comp.
OCP Comp.
1 5 0 5 8 2 9 9 4
Icon1
V V
CCO
CC
12 4
4th-ORDER
2
FILTER A
4th-ORDER
2
FILTER B
4th-ORDER
2
FILTER C
14
GNDO GND
TLP521-1 (IC902)
TOP VIEW
m
ANODE
OUT
co
CATHODE
DVM-4800
9 9
1~4
D
6
S
9
2 8 9 9
OCP/FB
7,10
GND
13 R /Y
OUT OUT
11 G /U
OUT OUT
10
B /V
OUT OUT
3
COLLECTOR
EMITTER
32