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46
46
MDS-NT1
1-682-709-
12
(12)
PANEL BOARD
(CONDUCTOR SIDE)
PANEL BOARD
(COMPONENT SIDE)
1-682-709-
12
(12)
K
A
K
A
C
MAIN BOARD
CN104
A
B
C
D
1
2
3
4
5
6
K
A
D731, 751
(REC)
(PLAY)
N
/>
x
/Z
(CHASSIS)
Net MD
Ref. No.
Location
D731
A-6
D732
C-4
D751
A-1
Q731
B-5
Q732
B-3
Q751
B-1
• Semiconductor
Location
6-11. PRINTED WIRING BOARD – PANEL Board –
(Page 42)
47
MDS-NT1
6-12. SCHEMATIC DIAGRAM – PANEL Board –
CN704
R726
R702
R731
C748
R751
R732
D751
D732
TP701
S726
S702
7P
4.7k
2.2k
150
0.1
150
150
SML-010MT-T87
SEL5820A-TP15
KEY0
LED1
LED2
PANEL.GND
LED3
KEY1
SYS+3.5V
(PLAY)
Net MD
(CHASSIS)
Q732
UN5211-TX
LED DRIVE
Q751
UN5211-TX
LED DRIVE
D731
SML-010VT-T87
(REC)
Q731
UN5211-TX
LED DRIVE
(Page 44)
48
MDS-NT1
• IC Block Diagrams
– BD Board –
– BD Board –
IC101
CXA2523AR
–1
–2
+
–
–
IVR
BB
+
–
–
IVR
AA
+
–
–
IVR
CC
+
–
–
IVR
DD
+
–
–
IVR
+
–
–
EE
EE'
EFB
TESW
PTGR
48
MORFO
47
MORFI
46
RFO
45
OPN
44
OPO
43
ADDC
42
COMPP
41
COMPO
40
AGCI
39
RF AGC
38
RF
37
PEAK
36 BOTM
35 ABCD
34 FE
33 AUX
32 ADFG
31 ADAGC
30 ADIN
29 ADFM
28 SE
27 CSLED
26 TE
25 WBLADJ
24
VCC
23
3TADJ
22
EQADJ
21
VREF
20
F0CNT
19
XSTBY
18
XLAT
17
SCLK
16
SWDT
15
TEMPR
14
TEMPI
13
GND
12
APCREF
11
APC
10
PD
9
F
8
E
7
D
6
C
5
B
4
A
3
VC
VI CONV
BGR
VREF
SCRI - PARA
DECODE
+ –
–
+
AUXSW
COMMAND
+
–
–
IVR
GSW
+
–
–
FF
FBAL
FF'
TG
SEA
–
+
–
+
–1
–2
TG
TEA
WBL
3T
EQ
–
–
+
+
+
+
–
–
–
–
–
–
DET
ADIP
AGC
WBL
BPF22
BPFC
ABCDA
FEA
WBL
ATA
–
+
CVB
+
–
RFA1
–
–
–
–
1
2
–
–
–
–
–
1
2
2
GRVA
OFST
RFA2
GRV
HLPT
PTGR
–2
–1
–1
–2
BOTTOM
PEAK
RF AGC
EQ
EQ
DET
P-P
WBL
3T
WBL
TEMP
PBH
–
+
+
USROP
+
–
–
USRC
3T
BPF3T
PEAK3T
1
I
2
J
RFA3
PBSW
AUX
SW
IV
ESW
EBAL
49
MDS-NT1
IC401
BH6519FS-E2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
VG
IN4R
IN4F
VM4
OUT4F
PGND4
OUT4R
VM34
OUT3R
PGND3
OUT3F
VM3
IN3F
IN3R
PSB
CAPA
–
CAPA+
IN2R
IN2F
VM2
OUT2F
PGND2
OUT2R
VM12
OUT1R
PGND1
OUT1F
VM1
IN1F
IN1R
V
DD
CHARGE
PUMP.
OSC
INTERFACE
AMP
INTERFACE
AMP
AMP
INTERFACE
PREDRIVE
PREDRIVE
PREDRIVE
PREDRIVE
AMP
INTERFACE
AMP
AMP
AMP
V
DD
PSB
AMP
– MAIN Board –
IC400
MAX1626ESA-TE2
1
2
3
4
+
+
–
REF
ERROR
COMPARATOR
CURRENT-SENSE
COMPARATOR
R1
R3
R2
1.5V
MINIMUM ON-TIME
ONE-SHOT
TRIG
Q
MINIMUM OFF-TIME
ONE-SHOT
TRIG
Q
Q
R
R
S
7
8
+
+
–
–
6
5
OUT
3/5
SHDN
REF
EXT
GND
CS
V+
3
4
5
6
+
–
–
COM
+
–
–
COM
8
1
INTERRUPT
SIGNAL
GENERATOR
RESET
SIGNAL
GENERATOR
2
7
INT
RESET
CD
GND
VCC
NC
NC
NC
R1
R2
R4
R3
IC420
M62016FP-E1
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