Schematic Diagram - Digital Board (6/10) - Sony TA-ZH1ES Service Manual

5-13. SCHEMATIC DIAGRAM - DIGITAL Board (6/10) -

1 2 3
DIGITAL BOARD (6/10)
A
B
R900 R904
10k 10k
C900 C902 C904
220p 0.001 82p
C
>124S R901 R905
PWM1_R_HP_RECLK
10k 10k
PWM1_R_HN_RECLK
DIGITAL
PWM1_L_HP_RECLK
BOARD
(5/10)
PWM1_L_HN_RECLK
(Page 46)
D
E
RY901
-2
-1
C953
F
D901
DA2J10100L
>125S
12V
DIGITAL
DC_PHASE
BOARD
(7/10)
(Page 48)
G
H
I
J
EVOL_LATCH
K >113S
EVOL_CLK
DIGITAL
EVOL_DATA
BOARD
(4/10)
(Page 45)
AMP_ERR_DET
L
TA-ZH1ES
• See page 68 for IC Block Diagrams.
4 5 6 7
IC900
NJM8068G(TE2)
R914
1.5k
0 5
0 6
0 7
R912 C908
14.7 8
22k 100p
V+
C914
CL900
R910 0.001
R908 22k
22k
C906
82p
C911 C910
0.1 0.1
C928
10
25V
ELECTRICAL VOLUME
C925
100
25V
32 Z/C
31 ADR0
C951
100
30 ADR1
25V
29 ADR2
-11.1
28 D_CAP
-15.2
R949 C916
27 V–
220k 4.7
50V
0
26 IN_R
C924
0.01
-15.2
25 V–
C926 C919
0.01 0.01
14.7
R950
24 V+
– 220k
0
23 IN_L
C917
14.7
4.7 22 V+
0.1 50V R921
10k
0.1
21 D_REF
C920
100p 3.3
20 LATCH
C921
0.001 3.3
19 CLOCK
C952
C922
100
0.001
0
25V
18 DATA
C923
0.01
4.7
17 D_VDD
R922
10k
C927
100
25V
CL901
R913 C909
0
22k 100p
0
0
-15.2
R902 R906
10k 10k
C901 C903
220p 0.001
R903 R907
10k 10k
R918
100
R919 100
R920
100
8 9 10
BUFFER AMP
IC900
4 -15.2
V–
3 0.8
2 0.8
1 0
IC902
IC902
MUSES72320
1
Z/C_R
C968
2
R_REF
10
25V
0
3
R+
IC903
R_REF 4
R956
0 120k
R– 5 PRE AMP
IC903
C932 NJM8068G(TE2)
R_REF 6
5p
0
7
OUT_R
C929
0
100
8
DCCAP_R
25V
0
C930
9
DCCAP_L
100
25V
0
10
OUT_L
C931
11 5p
L_REF
0
L– 12
R957
120k
L_REF 13
0
L+ 14
C969
10
15
R_REF
25V
16
Z/C L
C912 C913
0.1 0.1
R915 C915
IC901
1.5k 0.001
BUFFER AMP
IC901
NJM8068G(TE2) R909
22k
14.7
1 8
V+
R911 C907
0
2 7
22k 82p
3 6 0.8 C905
82p
4 5 0.8
V–
47 47
11 12 13 14
CL902
IC904
C939
0.1
DIFFERENTIAL AMP
IC904
NJM8068G(TE2) C940
0.1
SL900
R930
4.7k
C960 C937
R931
0.0015 100p
47k
R928 R929 R937
47k 4.7k 4.7k
R927 R951 R935
2.2k 220k 4.7k
C933 C959
0.1 22
16V
C934 R925 C958
0.1 2.2k 22
16V
CL903
IC905
C954
0.1
DIFFERENTIAL AMP
IC905
C961
NJM8068G(TE2) C955
0.0015
0.1
R926
47k
SL901
R933
4.7k
R934 C938
100p
47k
R932 R938
4.7k 4.7k
R952 R936
220k 4.7k
D900
DA2J10100L
C948
0.1
Q901
HN1C03FU-TE85R
1
E
Q900
HN1B01FU
-0.5 6 1 14.7 0 2
C E B
R953
82k
-0.5 5 2 14.6 14.5 3
B B C
R944
R943
220k 4 3 3.2
C 82k
E
Q902
HN1C03FU-TE85R
1
E
Q900 - 902
AMP DC DETECT
0 2
B
14.5 3
C
TA-ZH1ES
15 16 17 18
E-VOL-R-OUT
>126S
E-VOL-L-OUT
DIGITAL
GND
BOARD
HPOUT_RP_HYB_OUT
(Page 48)
HPOUT_LP_HYB_OUT
IC906
BUFFER
IC906
BUF634F/500
L901
C956 C943 0.33uH
0.1 220
35V
C957 C944
0.1 220
35V R940
8.2
1/2W
>122S
HPOUT_RP_HYB_IN
HPOUT_LP_HYB_IN DIGITAL
BOARD
C962 (5/10)
0.001
(Page 46)
R954
0
PREAMP-15V
>127S
POWERAMP+18V
GND
DIGITAL
BOARD
POWERAMP-18V
(8/10)
(Page 49)
PREAMP+15V
REG_5V_L
C963
0.001
R955
0
IC907
BUFFER
IC907
BUF634F/500
C941 C945
0.1 220
35V
C942 C946
0.1 220
35V
R941
100k
R939
8.2
1/2W
C947 R942
10 22k
6 14.5
C
5
B
L902
R945
0.33uH
220k
4 0
E
C949 R946
6 14.5
C 10 22k
5
B
R947
220k
4 0
E
(7/10)