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18.6. Transformer Circuit, Headphone Circuit and Speaker Terminal Circuit
SCHEMATIC DIAGRAM - 7
: -B SIGNAL LINE
: +B SIGNAL LINE
: MAIN SIGNAL LINE
TO
MAIN CIRCUIT
SPEAKER
(CN803B) ON
TERMINAL
SCHEMATIC
DIAGRAM-3
CIRCUIT
CN803A
CN808A
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
CN503A
CN508A
TO
POWER CIRCUIT
(CN503B) ON
SCHEMATIC
DIAGRAM-6
HEADPHONE CIRCUIT
1
7
WH504
HP_SW
6
TO
4
R230
C230
HP_L
3
MAIN CIRCUIT
3
100K
0.01
2
(CN504A) ON
HP_GND
2
SCHEMATIC
HP_R
4
1
DIAGRAM-3
5
R430
C430
100K
0.01
TO
MAIN CIRCUIT
(CN808B) ON
SCHEMATIC
DIAGRAM-3
13
12 11 10
9
8
7
6
5
4
3
2
1
L300
L301
L303
L302
C371
0.1
L300~303
G0AR76Y00002
C363
100P
12 11 10
4
1 2 3 4
13
9
8
7
6
5
3
2
1
ZJ01
CN501A
TO
TO
POWER CIRCUIT
POWER CIRCUIT
(CN501B) ON
(CN508B) ON
SCHEMATIC
SCHEMATIC
DIAGRAM-6
DIAGRAM-6
JK900
PHONES
TRANSFORMER CIRCUIT
JK501
4
3
SPEAKER
2
1
GND2
Q603
1
TO
2SB0621AHA
-VP
PANEL CIRCUIT
2
VOLTAGE REGULATOR
FL1
(WH900) ON
3
FL2
C362
SCHEMATIC
4
100P
SYS6V
DIAGRAM-4
5
Q603
CN900B
C610
0.01
C611
D610
50V47
B0BA02600017
Q601
C604
0.01
C605
25V47
D608
B0AACK000004
Q602
KRC102MTA
VOLTAGE REGULATOR
SA-PM33EE SPEAKER TERMINAL / TRANSFORMER / HEADPHONE CIRCUIT
69
TO
POWER CIRCUIT (WH505A)
ON SCHEMATIC DIAGRAM-6
CN505B
1 2 3 4 5 6
7
8
16
15
14
R608
C612
D609
12
12
B0EAKM000117
50V100
11
10
R611
3.3K
C609
50V100
G4CYAYY00063
D611
R601
22
B0EAKM000122
Q601
Q600
2SC3940ARA
B1AACF000063
VOLTAGE REGULATOR
PCONT SWITCH
R604
4.7K
R603
820
C601
R605
R600
0.01
150
47K
6
2
7
9
3
R607
10K
T600
RTP1H3E002
R606
10K
Z600
ERZV10V511CS
SA-PM33EE
2
3
5
6
T601
4
1
RL600
K6B1ADA00011
3
2
F1
JK600
250V 630mA
3
4
AC IN
FC600 FC601
230V 50Hz
2
1
L600
G0B371HA0005
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