Audio Processor - Zenith H27G48S Service Manual

Service manual
Table of Contents

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1
2
G
F
SC L2
SHT. 6-10
SDA2
SHT. 6-10
E
RM140 0
10K
IC 140 1
0IFA753307A
KA7533ZTA
OUT
VC C
GND
C 1400
C M14 0 1
C M14 02
3.3µ F
0 .01
0.0 1
5 0V
2 5V
25 V
D
+ 8V
AUD
C 14 08
4 7µ F
C
16 V
Q1401
0TR733 009 AA
KSA7 33C - Y
RM1404
3.3 K
E
Q1400
RM140 6
0 TR7 33 00 9AA
B
KSA73 3C - Y
2 2 0
B
C
MON- OUT- R
SHT. 6-2
MON- OUT- L
SHT. 6-2
A
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR
3828VD0171E
COMPONENTS DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
3
4
IC1400
0 IMC RMN013 A
MSP- 34 25 G
1
5 2
1
TP
XTAL_ OUT
C RY140 0
15 6- A02M
2
5 1
18 .432MHz
NC
XTAL_ IN
3
5 0
TESTEN
D_ C TR_ I/ O1
4
4 9
D_ C TR_ I/ O0
NC
C M1411
5
4 8
ADR_ SEL
ANA_ IN-
5 6pF
C M1412
5 0V
6
4 7
STANDB YQ
ANA_ IN+
5 6pF
5 0V
R14 01
7
4 6
I2C _ C L
AVSUP
100
C M1413
R14 02
8
4 5
1000 pF
I2C _ DA
AVSS
5 0V
100
9
4 4
I2S_ C L
MONO_ IN
C M14 17
10
4 3
0.01
I2S_ WS
VREFTOP
25V
11
4 2
SC 1_ IN_ R
I2S_ DA_ OUT
12
4 1
SC 1_ IN_ L
I2S_ DA_ IN1
13
4 0
ADR_ DA
SC 2_ IN_ R
+ 5V
AV
14
3 9
ADR_ WS
SC 2_ IN_ L
L1400
15
3 8
15 µ H
ADR_ C L
NC
16
3 7
DVSUP
NC
C M14 05
C 14 03
C M140 4
4 70 pF
17
3 6
2 20µ F
1000 pF
5 0V
DVSS
AGNDC
16 V
5 0V
18
3 5
I2S_ DA_ IN2
AHVSS
C 1422
19
3 4
NC
C APL_ M
10µ F
50V
20
3 3
RESETQ
AHVSUP
C M14 23
2 1
3 2
47 0pF
NC
NC
50 V
22
3 1
NC
SC 1_ OUT_ L
RM1403
23
3 0
3 .3 K
VREF2
SC 1_ OUT_ R
24
2 9
DAC M_ R
VREF1
C 1427
E
47 µ F
RM140 5
B
25
2 8
16V
DAC M_ L
NC
2 20
C
C M14 06
26
2 7
22 00 pF
RM1411
NC
NC
50 V
22 0
C M142 8
PROV
50 V
C M140 7
E
2 200 pF
5 0V
RM1415
B
22 0
C M142 9
C
PROV
50 V

Audio Processor

5
6
C M14 09
2pF
50 V
RM14 10
C M14 10
1.5K
RM14 07
68 K
2pF
C
50 V
Q14 02
B
0TR94 5009 AA
KSC 9 45C - Y
E
RM14 08
22 K
C M14 33
RM140 9
PROV
+ 5V
47 0
5 0 V
AV
L14 02
15µ H
C M1414
C 14 15
4 70 pF
100 µ F
5 0V
16V
C 1416
10µ F
50V
C 1418
0 .4 7
C 1419
5 0V
0 .47
5 0 V
RM82 2
C 1420
C M1421
3 .3µ F
0.01
5 0 V
25 V
+ 8 V
AUD
C 8 2 1
RM82 0
L1403
2 20
15 µ H
C M8 2 0
C M14 24
C 14 25
RM82 1
0.0 1
10 00 pF
100µ F
10K
25 V
50V
16V
+ 2 2
+ 8V
AMP
AUD
C 8 00
C 80 1
RM1412
100 0µ F
0.1
1K
3 5V
50 V
C 14 30
R14 14
GND
GND
C 8 11
RM810
E
1.5K
4.7µ F
2 20
1µ F
B
50 V
Q14 03
RM1413
50V
0 TR73 30 09 AA
PROV
RM8 11
C M8 10
C
KSA7 3 3C - Y
10 K
0.0 1
25V
RM1416
1K
C 1431
R1418
1.5K
4.7 µ F
50 V
RM1417
Q1404
PROV
0TR7 330 0 9AA
KSA73 3C - Y
6-9
7
8
+ 8V
AUD
C 14 26
4 7µ F
16 V
C M143 2
0 .0 1
2 5V
RM8 01
1K
C 803
4 7µ F
5 0V
C
IC800
Q8 00
0TR94 50 09 AA
4 92 1V000 21R
GND
KSC 9 45 C - Y
0 ISG7263 00 B
E
4 92 0V00 02 2M
RM8 24
TDA72 63
4 7
2 .2 K
GND
C 822
47 µ F
RFI 2 7K
50 V
2
C 8 24
10
1
L
1
10 00µ F
25 V
1µ F
5 0V
C 8 23
3
SC
0.1
MUTE
PROTEC TION
50V
R8 23
Tj
3 .3
REFERENC ES
GND
9
TH
TURN- ON
PROTEC TION
AND- OFF
5
C 814
8
4
R
10 00µ F
25V
C 8 13
0.1
6
C 812
50V
47 µ F
50 V
GND
GND
R8 13
RM814
3 .3
2 .2K
GND
RM8 12
47
GND
ALL COMPONENTS WITH "M" IN THE DESIGNATOR
ARE A SURFACE MOUNTED COMPONENT.
9
10
SIF
SHT. 6-8
AUX- R
SHT. 6-2
AUX- L
SHT. 6-2
RM8 00
B
MUTE
SHT. 6-10
4.7 K
CN9L4
3 66- 92 1B
1
1
2
3
TO LEFT
SPEAKER
CN9R4
3 66 - 92 1C
1
1
2
3
4
TO RIGHT
SPEAKER
GND
FCS 48 SERIES SHEET 9

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