Schematic Diagram - Main Trans/Sub-Trans Boards - Sony HCD-RV7 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-32. SCHEMATIC DIAGRAM – MAIN TRANS/SUB-TRANS Boards –
CN997
13P
VH TP1
VH TP2
GND TP3
GND TP4
VL TP5
VL TP6
AC3 TP7
AC3 TP8
AC4 TP9
T E (Page 47)
L 1 3 9 4 2 2 9 6 5 1 3
AC4 TP10
VP TP11
VF TP12
TP13
VF
NO971 ∗ NO971
∗
4P (EXCEPT RV7:TH)
120 2P (RV7:TH)
(EXCEPT RV7:TH)
220
230-240
N
R975
10k
CN976
3P
STBY RELAY
R974
100k
EVER+4V
D-GND
w w w
(Page 47)
.
C978
0.1
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F976
T8AL
250V
F977
T8AL
250V
T910
MAIN POWER
TRANSFORMER
F974
T6.3AL
250V
F975
T6.3AL
250V
R951
0.15
R952
0.15
C941
100
63V
R941 D977
1 11ES2
C977
0.1
Q971
2SC2785
D973 D972
POWER ON/OFF
11ES2 11ES2
RELAY DRIVE
SUB POWER
TRANSFORMER
D975 D974
11ES2 11ES2
+4V REGULATOR
IC971
x µPC3504 a o
y
O I
G
i
C973 C975
C976
100 2200
0.1
16V 16V
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8
F971
∗
∗
F971
T5AL 250V (RV8)
T6.3AL 250V (RV7)
JW972
JW973
(EXCEPT RV7:TH)
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3 7 6 3 1
∗ NOT REPLACEABLE:
BUILT IN TRANSFORMER
JW993
(RV7:TH)
S901
VOLTAGE SELECTOR
120V
120
-1
220
220V
230-240
230-240V
120
-2
220
230-240
T972 (EXCEPT RV7:TH)
JW984
(RV7:TH)
C971
10000p
250V
u 1 6 3
JW987
.
53 53
2 4
9 9 8
∗
CN973
4P (EXCEPT RV7:TH)
2P (RV7:TH)
CN973
∗
120
(EXCEPT RV7:TH)
220
230-240
N
5 1 5 0 8 9 2 4
RY971
CN974
2P
m
(AC IN)
c o
D971
1SS133T
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
HCD-RV7/RV8
2
9 9
9 8 2 9 9