Sony STR-DN1080 Service Manual page 82

STR-DN1080/ZA810ES
IC1414 BD34702KS2
46 45 44 43
Main
Sub1
Sub2
47
SBLIN
SBRIN 48
SLIN 49
50
SRIN
Mode
selector
51
CIN
SWIN 52
FLIN 53
FRIN 54
FR FL SW
Volume Volume Volume
GND 55
ADC
56
ADCL
ADCR 57
58
GND
59
GND
60
GND
GND 61
62
GND
GND 63
64 Logic
CHIP
1 2 3 4 5 6 7
– RS232C Board –
IC201 MAX3222IPWR
POWERDOWN 20 PWRDOWN
19 VCC
18 GND
EN 1
17 DOUT1
C1+ 2
16 RIN1
V+ 3
C1– 4
C2+ 5 15 ROUT1
C2– 6 14 NC
V– 7 13 DIN1
DOUT2 8 12 DIN2
RIN2 9 11 NC
ROUT2 10
82
42 41 40 39 38 37 36
Mode Mode Mode
selector selector selector
7.1 ch OUT +32dB ~
-95dB,-INF/0.5dB step
C SR SL SBR SBL
Volume Volume Volume Volume Volume
8 9 10 11 12 13 14 15
– DCDC Board –
IC1911 – 1913, 1916 TPS542941PWPR
VIN1 1
VBST1 2
SW1 3
PGND1 4
ZC1
PGND1
+
SW1
EN1 5
PG1 6
PG COMP
16%
PGND
+
+
+16%
32%
+
ERR COMP
REF1
+
+
SS1
VFB1
7
PGND
GND 8
35 34 33
32 INR7
31
INL7
30
INR8
29 INL8
28
GND
Rec
27
RECR
26 RECL
Rec Selector
Sub
25
SUBR
24 SUBL
Sub Selector
SUBOUT
+6dB~-16dB/1 dB step
23
GND
-6dB~-56dB/2dB step
MUTE
HP OUT
22
GND
FRONT/MUTE
21
GND
20 GND
16 17 18 19
VREG5
CONTROL
LOGIC
XCON
CH1 MIN-OFF
TIMER
OCP1
REF_OCL
+
SW1
EN LOGIC
FIXED
SOFT START
UV UV1
SS1 SS2
EN LOGIC
REF1
REF2
VREG5
VREG5
CONTROL
LOGIC
XCON
CH2 MIN-OFF
TIMER
ZC2
OCP2
REF_OCL
+ +
SW2
PG COMP
16%
+
UV1
UV2 +
+16%
PROTECTION
LOGIC
32%
+
UVLO
UV2 UV
TSD
ERR COMP
REF2
+
+
SS2
REF
PGND
5V REG VIN1
UVLO
16 VIN2
15 VBST2
14 SW2
13 PGND2
PGND2
SW2
12 EN2
11 PG2
PGND
10 VFB2
9 VREG5
SYS SET