Denon S-301 Service Manual page 72

QQ
3 7 63 1515 0
LC72720NM (IC506: 1U-3694)
Vref 1
MPXIN 2
Vdda 3
Vssa 4
FLOUT 5
CIN 6
T1 7
T2 8
T3 (RDCL) 9
T4 (RDDA) 10
T5 (RSFT) 11
XOUT 12
NJM2596 (IC509: 1U-3695)
24
1
TE
L 13942296513
QT240 (IC306: 1U-3681)
SNS2
1
SNS2K
2
SNS1
3
SNS1K
4
QT240
OUT1
5
20-SSOP
OUT2
6
OUT3
7
VSS
8
SS/SYNC
9
n.c. 10
www
.
http://www.xiaoyu163.com
Vdda
24 SYR
REFERENCE
23 CE
Vssa
22 DI
21 CL
MPXIN
20 DO
19 RDS-ID
18 SYNC
DO
17 T7 (CORREC/ARI-ID/BEO)
CL
DI
16 T6 (ERROR/57K/BE1)
CE
15 Vssd
14 Vddd
T1
13 XIN T2
T3 T7
13
12
Pin
1
SNS3K
20
2
3
SNS3
19
4
SNS4K
5
18
6
SNS4
17
7
n.c.
8
16
9
OSC
15
10
VDD
11
14
12
/RES
13
13
OUT4 14
12
15
11 n.c.
16
17
18
x ao
19
y
20
i
http://www.xiaoyu163.com
8
FLOUT CIN
VREF
VOLTAGE
57kHz
BPF
(SCF)
ANTIALIASING
SMOOTHING
FILTER
FILTER
RAM
CCB
(24 BLOCK DATA)
MEMORY CONTROL
TEST
Q Q
3 6 7 1 3
Name Description
SNS2 Sense pin (to Rs2 + Cs2)
SNS2K Sense pin (to Cs2, electrode)
SNS1 Sense pin (to Rs1 + Cs1)
SNS1K Sense pin (to Cs1, electrode); speed option
OUT1 Output, key 1
OUT2 Output, key 2
OUT3 Output, key 3
VSS Ground
SYNC/SS Sync in and/or spread spectrum drive
n.c. Unbonded internally
n.c. Unbonded internally
OUT4 Output, key 4
/RES Reset pin, active low. Can usually tie to Vdd.
VDD Power: +4.0 to +5V locally regulated
OSC Oscillator bias in
VSS Ground or no connect
SNS4 Sense pin (to Rs4 + Cs4)
SNS4K Sense pin (to Cs4, electrode); OPT2
u163
SNS3 Sense pin (to Rs3 + Cs3)
SNS3K Sense pin (to Cs3, electrode); OPT1
.
72
2 9 9 4 2 8
CLOCK
PLL
RECOVERY
(57kHz)
(1167.5Hz)
VREF
DATA
DECODER
ERROR CORRECTION
SYNC/EC CONTROLLER
(SOFT DECISION)
CLK(4.332MHz)
SYNC
DETECT-1
OSC/DIVIDER
XIN XOUT
1 5 0 5 8 2 9 9 4
m
co
S-301
9 9
Vddd
Vssd
RDS-ID
SYNC
SYR
SYNC
DETECT-2
2 8 9 9