Read Sony HCD-RG88 Service Manual online
HCD-RG88
49
49
7-28. SCHEMATIC DIAGRAM – MAIN TRANS/SUB-TRANS Boards –
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
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.
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
D977
JW972
JW971
R974
R975
CN976
C975
D974
D975
D973
D972
C976
C973
C978
C977
JW984
JW986
JW987
CN997
T972
T910
R952
R941
Q971
C971
D971
CN974
RY971
S901
D976
F974
F975
F976
F977
F971
JW975
JW974
JW973
CN973
JW993
JW990
NO971
R951
C941
R953
R944
IC971
11ES2
100k
10k
3P
2200
16V
11ES2
11ES2
11ES2
11ES2
0.1
100
16V
16V
0.1
0.1
13P
0.15
1
2SC2785
10000p
250V
1SS133T
2P
T6.3AL
250V
T6.3AL
250V
T8AL
250V
250V
T8AL
250V
250V
T5AL
250V
250V
0.1
100
63V
63V
∗
∗
STBY RELAY
D-GND
N
220
120
AC3
AC4
AC4
VF
VF
VL
VL
AC3
VH
GND
GND
VH
230-240
220
120
230-240
N
230-240
220
230-240
220
120
120
VP
TRANSFORMER
TRANSFORMER
SUB POWER
MAIN POWER
∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
G
O
I
+4V REGULATOR
RELAY DRIVE
POWER ON/OFF
AC IN
220V
VOLTAGE SELECTOR
120V
230-240V
-1
-2
(E,SP)
(MX)
(M
X)
(AR
)
(E,SP,AR)
(E,SP)
∗
4P
2P (MX,AR)
CN973
(E,SP)
(E,SP)
(MX,AR)
(E,SP)
(AR)
(E,SP,AR
)
(MX)
EVER+4V
(E,SP)
NO971
∗
4P
2P (MX,AR)
(E,SP)
µPC3504AHF
(Page 43)
(Page 43)
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