Audio Processor - Zenith H19F34DT Series Service Manual

1 2
G
F
Audio In R
SCL
Audio In L
SDA
Aux1-R
A1R
Aux1-L
A1L
E
Aux2-L
A2L
Aux2-R
A2R
Aux3-L
A3L
Aux3-R
A3R
0IFA753307A
KA7533ZTA
Sound IF
SIF
OUT
D
GND
C1400
CM1401
3.3µF
0.01
50V
25V
This schematic refers to
CL Chassis models
H19F34DT
H20F34DT
C H25F34DT
H25F39DT C1408
47µF
16V
H27F34DT
AUDIO-AMP-RIGHT
H27F39DT
H25F36DT
H27F36DT
AUDIO-AMP-LEFT
H32F36DT
0TR733009AA
B
KSA733C-Y
A
SR25-3828VD0171B
Audio Processor Circuit
3 4
IC1400
0IMCRMN013A
MSP-3425G
1 52
TP XTAL_OUT
2 51
NC XTAL_IN
3 50
TESTEN
D_CTR_I/O1
4 49
D_CTR_I/O0 NC
5 48
ADR_SEL ANA_IN-
6 47
STANDBYQ ANA_IN+
R1401 7 46
I2C_CL AVSUP
100
R1402 8 45
I2C_DA AVSS
100
9 44
I2S_CL MONO_IN
10 43
I2S_WS VREFTOP
11 42
SC1_IN_R
I2S_DA_OUT
12 41
SC1_IN_L
I2S_DA_IN1
13 40
ADR_DA SC2_IN_R
+5V
RM1400
TNR
14 39
10K
ADR_WS SC2_IN_L
IC1401 L1400
15 38
15µH
ADR_CL NC
VCC
16 37
DVSUP NC
CM1405
CM1402 C1403 CM1404
470pF
17 36
0.01 220µF 1000pF
50V DVSS AGNDC
25V 10V 50V
18 35
I2S_DA_IN2 AHVSS
19 34
NC CAPL_M
20 33
RESETQ AHVSUP
+8.1V
21 32
AUD
NC NC
22 31
NC SC1_OUT_L
RM1403
3.9K
23 30
VREF2 SC1_OUT_R
E
Q1401 RM1405
24 29
B
0TR733009AA DACM_R VREF1
220
KSA733C-Y
CM1406
C
25 28
2200pF
RM1404 DACM_L NC
50V
3.9K
26 27
NC NC
E
Q1400
RM1406
B
220
CM1407
C
2200pF
50V
+8.1V
+9V
AUD
SW
DX3813
FRX3813 +8.1VAUD
5.6
0DR150009EA
CX3813
1/2W
RGP15J
220µF
16V
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
5 6
CM1409
2pF
50V
CRY1400
156-A02M
18.432MHz
CM1410
2pF
50V
Q1402
0TR945009AA
KSC945C-Y
CM1411
SIF SIF
56pF
CM1412 RM1409
50V
+5V
TNR
56pF
50V L1402
15µH
CM1413 CM1414 C1415
1000pF 470pF 100µF
50V 50V 16V
C1416
CM1417
10µF
0.01
16V
25V
C1418
0.47
C1419
50V
0.47
50V
W2804
P/L
C1420 CM1421
3.3µF 0.01
50V 25V
C1422 +8.1V
AUD
10µF
16V L1403
15µH
C1425
CM1423 CM1424
100µF
470pF 1000pF
16V
50V 50V
MONO MONO NO
MTS
FRONT JACKS FRONT JACKS
W2800 OMIT ADD OMIT
JM2801 ADD OMIT OMIT
W2803 OMIT OMIT ADD
W2804 OMIT ADD OMIT
6-5
7 8
+8.1V
AUD
C1426
RM1407 47µF
10K 16V
C
CM1425
B
0.01
E
25V
R1408
10K
1K
IC2800
0ISA722200A
LA7222
12
11
+9V
10
SW
9
8
7
6
5
4
3
2
1
W2800
JM2801
P/L
ALL SYMBOLS WITH "M" ON THE DESIGNATOR
INDICATE SURFACE MOUNTED COMPONENT.
9 10
A3R A3R
A3L A3L
A1R A1R
W2803
C2807
P/L
100µF
16V
A1L A1L
R2812
2.2K
C2801
R2803
A2L A2L
2.2K
1µF
50V
P/L
C2800
R2802
A2R A2R
2.2K
1µF
50V
R2800 R2801
PROV PROV