Denon DVM-4800, Service Manual

Page: 32 / 106

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