Sony CDP-D12 Service Manual page 37

BA5810FP-E2 (ROHM)
DRIVER FOR CD/CD-ROM
—TOP VIEW—
FWD 1 28 BIAS
REV 2 27 OPIN4(+)
LDCONT 3 26 OPIN4(_)
PS 4 25 OPOUT4
IN1 5 24 OPIN3(+)
IN2 6 23 OPIN3(_)
PREV 7 22 OPOUT3
CC
POWV 8 21 MUTE
CC12
VOL(_) 9 20 POWV
CC34
VOL(+) 10 19 GND
VO2(_) 11 VO3(_)
18
VO2(+) 12 17 VO3(+)
VO1(_) 13 16 VO4(_)
VO1(+) 14 15 VO4(+)
28 27 26 25 24 23 22
–
+
+
–
LOADING PRE
FWD REV
PREVCC
POWER
(PRE, LOADING)
SAVE
X3
1 2 3 4 5 6
CDP-D12
INPUTS
: LOADING DRIVER FOWARD
FWD
: DRIVER CHANNEL
IN1, IN2
: LOADING DRIVER OUTPUT VOLTAGE
LDCONT
CONTROL
: CHANNEL AMPLIFIER NON-REVERSE
OPIN3+, OPIN4+
: CHANNEL AMPLIFIER REVERSE
OPIN3_, OPIN4_
: LOADING DRIVER REVERSE
REV
OUTPUTS
: CHANNEL AMPLIFIER
OPOUT3, OPOUT4
: LOADING DRIVER, POSITIVE
VOL(+)
: LOADING DRIVER, NEGATIVE
VOL(_)
: DRIVER CHANNEL, POSITIVE
VO1(+) - VO4(+)
: DRIVER CHANNEL, NEGATIVE
VO1(_) - VO4(_)
OTHERS
: BIAS
BIAS
: MUTE CONTROL
MUTE
: CHANNEL POWER SUPPLY
POWV ,
CC12
POWV
CC34
: PREVIOUS, LOADING POWER SUPPLY
PREV
CC
: POWER SAVE CONTROL
PS
PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO.
1 I 15 O
FWD VO4(+)
2 I REV 16 O VO4(_)
3 I 17 O
LDCONT VO3(+)
4 — PS 18 O VO3(_)
5 I 19 —
IN1 GND
6 I IN2 20 — POWV
CC34
7 — PREV 21 — MUTE
CC
8 — 22 O
POWV OPOUT3
CC12
9 O VOL(_) 23 I OPIN3(_)
10 O 24 I
VOL(+) OPIN3(+)
11 O VO2(_) 25 O OPOUT4
12 O 26 I
VO2(+) OPIN4(_)
13 O VO1(_) 27 I OPIN4(+)
14 O VO1(+) 28 — BIAS
21 20 18
CH1–CH4 POWVCC34
MUTE (GH3, CH4)
–
LEVEL
–
SHIFT
+
+
LEVEL
SHIFT
–
–
POWVCC12
(GH1, CH2)
7 8 9 10 11
LA5620 (SANYO)
REGULATOR FOR MULTIPLE POWER SUPPLY SYSTEM
—TOP VIEW—
PH5 1
STBY 2
V 3
CC
ANA5 4
SYS3.3 5
B.BAK 6
AC 7
CD1 8
P.DOWN 9
GND 10
CD2 11
S.REST 12
17 16 15
–
LEVEL
SHIFT
LEVEL
SHIFT
–
12 13 14
1
PH5
–
+
2
STBY
3
Vcc
4
ANA5
–
+
5
SYS3.3
–
+
–
6 +
3.3V
BACK
7
AC
8
CD1
–
DELAY
+
CIRCUIT
9
P.DOWN
11
CD2
–
DELAY
+
CIRCUIT
12
VREF
S.RESET
3-3
IC