POWER DIAGRAM
AVRS750H /X1600H VCC D IAGRAM
MAIN+ B
MAIN-B
AC CORD
RELAY
!
!
!
MAIN T RANS
S2 T OTAL : 662.43m A
!
S4(FILAMENT)
S3(FL+V disp)
S2(+ 12V ,-12V)
S1(AMP +B ,-B )
KIA 7812B P I
KIA 7912P I
FILAMENT AC
A+ 12V
D A +5V
A-12V
Vdisp(+ 37V)
KIA 7805B P I
+ 5 .2V
MAIN P WR O N
TU NER+ 5V
FILAMENT AC
MM1Z7V5
SELETO R IC,VO L UM E IC
(NJU 72750AV x2 ,NJU 72343V,NJM8080Gx3 )
MCU _3V 3/ MICO M
SW M 3.3V /LEV E L _C HG
D A 3.3V /D IR,D SP
TP S563201(+1 .0V )
TP S563201(+3 .3V )
CEC5V
CEC3V 3/ H D MI
D A 1.0V /D SP
D 1 V8 H/H DM I
D 5 V/ V BUS
D V 5V /H D M I
(AD V 7623)
(MN864787,M N 864788,B Y 25Q32BSSIG ,SII9437CNU C )
(R5 F5651EDDFB ,VFD ,MC74H C4094x2)
(NJM 41050V)
(PCM 9211P T R,A K 4458VN)
(NJM 8080x4 ,SPK x4 /H -P/ H I-LOW RELAY )
(CS49844A)
58m A
276.43m A
127m A
50m A
68m A
163m A
393.02m A
859m A
982m A
1503.5 mA
221.76m A
* T OTAL (5 V): 1052.003m A
TP S563201(+1 .8V )
1000m A
285m A
22m A
MCU + 5V
(CVD BLB JEGJ204L )
FRO NT LED
30m A
1022.0 mA
SMPS Tota l C urre nt : A bout 4901.36m A
BU33T D 3W G
117m A
D A +3.3V
(PCM 5100A x2 ,A K 5358x3 )
MM1Z7V5
(SN74CB T3251PW R)
SW M 5V
0.003m A
406.83m A
INP UT CU RRENT (Re f V olag e:5.2V )
NET3 .3V /NET WO RK
(IPO D AUT H,S N 74L V C 244AP W Rx 5 ,SN74LVC1G 125D BV,L M 358PT )
162.3 mA
PLD 1.8V / PLD
(5M570ZF256C 5N )
(CS49844A,M12L128168A -5T G2 S,TC 74VH CU04,B Y 25Q64ASSIG,P C M9211,AK 4458VN)
MM1Z6V8
MM1Z6V8
ZONE V OLUM E IC
(BD 3812F)
ZONE V OLUM E IC
(BD 3812F)
AVRX 1600H E 3 ONLY
40m A
H I+ B
LOW -B
3000m A
CEC1V 1
(MN864787,M N 864788)
34m A
*D C-D C Effiecie ncy:85%
1489.60m A
332.5 mA
(5.2 V )
(5.2 V )
(5.2 V )
H I-B
LOW + B
D V 3V 3
(AD V 7623,BY 25Q 64ASSIG,5 M 570ZF256C5N)
361m A
TP S563201(+1 .1V )
729.81m A
(5.2 V )
LEGO5 V
(LEG O )
636m A
(NJM 2740V x 4 ,AK 5358BE T x3)
SELETO R IC,VO L UM E IC
(NJU 72750AV x2 ,NJU 72343V,NJM8080Gx3 )
BU12T D 3W G
VCC12
(SII9437CNUC)
44m A
(NJM 8080 : ZONE2 AV RX 1600H E3 ONLY )
(NJM 8080x3 )
2041.08m A
1
3
4
2
S
G
D
12
3 4
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
42
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