Sony KV-AR21M83 Service Manual ▷ View online
– 47 –
KV-AR21M83
RM-W101
CV BOARD VOLTAGE LIST AND WAVEFORM
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
IC751
1
1.9
1.40Vp-p
PAL
1
1.96Vp-p
NTSC
1
2
1.8
1.44Vp-p
PAL
2
1.26Vp-p
NTSC
2
3
1.8
1.48Vp-p
PAL
3
2.12Vp-p
NTSC
3
4
0
5
4.5
6
198.6
7
(139.2)[138.2]
112.0Vp-p
PAL
4
146.0Vp-p
NTSC
4
8
(140.6)[140.3]
114.0Vp-p
PAL
5
96.0Vp-p
NTSC
5
Ref
Pin No.
Voltage[v]
9
(136.7)[135.2]
115.9Vp-p
PAL
6
134.0Vp-p
NTSC
6
Q701
B
4.5
C
0
E
0
Q712
B
2.4
C
0
E
1.7
Q713
B
134.2
C
(65.4)[65.7]
E
134.6
Q715
B
0.7
C
(65.4)[65.7]
E
0
Q717
B
6.0
C
8.9
E
5.8
Q718
B
5.3
C
0
E
5.8
Q719
B
2.4
C
8.9
E
1.8
– 48 –
KV-AR21M83
RM-W101
G1-3
KR
KG
KB
G1-2
H2
H1
G1-1
G2
E
GND
GND
VM OUT
+B
GND
VM
GND
1000V
200V
GND
H1
B
G
R
GND
9V
IK
E
1-687-881-11
(1-722-474-11)
R1
1
3
4
5
6
7
8
9
10
11
13
GND
D750
D754
D755
D756
IC751
2
1
8
9
D780
D781
D782
D783
J751
TP700
TP701
Q701
B
E
RV750
Q712
B
E
Q713
B
E
Q715
B
E
Q717
B
E
Q718
B
E
Q719
B
E
L711
L712
L750
L751
L752
L753
L754
R712
R713
R714
R715
1
7
CN701
CN702
CN703
1
5
CN704
CN705
R722
R724
R725
R726
R727
R728
R729
CN711
4
1
CN712
1
3
R730
R731
R732
L780
R735
R736
R737
C703
C710
A001
C711
A002
C712
A003
C713
A004
C714
A005
A006
R752
A007
R753
A008
C718
R754
C719
R756
R757
R758
C720
C722
C723
R760
C725
R763
R764
R765
R770
R771
R772
R773
R774
R775
R776
R777
R778
R780
R781
R783
R787
R788
R789
C751
C752
C753
R790
C754
R791
R792
C756
R793
R794
JW704
R795
JW705
C759
JW706
JW707
JW708
C781
C782
C783
C784
R785
R786
R767
R768
R784
R766
PRINTED WIRING BOARDS
[VIDEO AMP]
CV
– CV Board –
4-5. PRINTED WIRING BOARDS AND PARTS LOCATION
– 51 –
KV-AR21M83
RM-W101
E C
B
LETTER SIDE
IC
4-6. SEMICONDUCTORS
DIODE
BY228/A52A
CATHODE
ANODE
CATHODE
ANODE
(GRN)
ANODE
(GRN)
CATHODE
ANODE
SPB-25MVWF
D3SB60F3
1SS133T-77
MTZJ-T-77-15
RD5.1ESB2
RD5.6ESB2
UPC574J
MTZJ-T-77-15
RD5.1ESB2
RD5.6ESB2
UPC574J
10ERB20-TA2B5
10ERB20-TB3
11EQS10-TB5
AM01AV1
D1NL20U
D3S6M-F
EGP20G
EL1Z
GP08D
RN4Z
10ERB20-TB3
11EQS10-TB5
AM01AV1
D1NL20U
D3S6M-F
EGP20G
EL1Z
GP08D
RN4Z
MMDL914T1
RD3.6SB
RD3.6SB
1PS226-115
2SC3209LK
IRF614-037
2SC5885
MSB709-RT1
MSD601-RT1
UN2211
UN2216
MSD601-RT1
UN2211
UN2216
MA2ZD14001S0
MA77
UDZSTE-175.6B
UDZSTE-179.1B
MA77
UDZSTE-175.6B
UDZSTE-179.1B
TRANSISTOR
2SA10910
2SC3779C, D-AA
2SC3779C, D-AA
ANODE
CATHODE
E
B
C
E C B
CATHODE
ANODE
3
1
2
1
3
2
RU4AM-T3
S3L20UF4
S3L20UF4
FN155
2SA1175-HFE
1
7
Small Outline L-leaded Package
Pin 8~98
Pin 8~98
SOP
1
TOP VIEW
STV9302A
CAT24WC16J1-TE13
LM2903DT
TJM4558CDT
LM2903DT
TJM4558CDT
BA18BC0FP-E2
PQ018EF01SZH
PQ09RD1SJ00H
PQ018EF01SZH
PQ09RD1SJ00H
STR-F6267S/
LF11357
LF11357
TDA6108AJF/N1
1
9
TA7805S
RPM7240-H5
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