Sony KP-48PS2 Service Manual page 90

• BD (3/4) BOARD IC2602,
2604, 2609, 2614, 2623, 2625
PCM56P
–VCC 1 16Bit 16 +VCC
Latch
DGND 2
16Bit
15 VPOT
+VL 3
DAC
14 MSB ADJ
16Bit
NC 4
Serial
13 IOUT
Parallel
Converter
12 AGND
BCLK 5 11 SJ
Control Logic
WCLK 6 & 10 RF
Level Shift –
DATA 7 9 VOUT
+
–VL 8
• M (1/2) BOARD IC9110
MC14094BF
REGISTER STAGE1
CLOCK CLOCK
SERIAL DATA 2 *
CLOCK CLOCK
CLOCK CLOCK
OUTPUT ENABLE 15
*
2
REGISTER STAGE2
3
REGISTER STAGE3
4
REGISTER STAGE4
5
REGISTER STAGE5
6
REGISTER STAGE6
7
REGISTER STAGE7
8
REGISTER STAGE8
CLOCK CLOCK
CLOCK
CLOCK 3
*
CLOCK
*Input Protection Diodes
STROBE STROBE
1 *
STROBE
• CR BOARD IC7101
• CG BOARD IC7201
• CB BOARD IC7301
TDA6111Q
6 9
7V
MIRROR MIRROR
FOLLOWERS
V
FOLLOWERS
VI 3 –
DIFFERENTIAL
STAGE
VB 1 +
CURRENT
MIRROR MIRROR
SOURCE
4 2
LATCH1 3–STATE BUFFER 1
STROBE VDD
4 Q1
STROBE STROBE
STROBE
5 Q2
LATCH2 3–STATE BUFFER 2
6 Q3
LATCH3 3–STATE BUFFER 3
LATCH4 3–STATE BUFFER 4 7 Q4
14 Q5
LATCH5 3–STATE BUFFER 5
13 Q6
LATCH6 3–STATE BUFFER 6
12
LATCH7 3–STATE BUFFER 7 Q7
LATCH8 3–STATE BUFFER 8 11
Q8
STROBE STROBE
CLOCK
10 Q'S
CLOCK CLOCK
CLOCK
9 QS
• G (2/2) BOARD IC6004
MCR5152
VC1 14
+
R Q
–
13V/8V
S
Vref 5V
VC2 10V
+
–
10V 5V
10V
7 VF
Delay
8 VO
S
R Q
5 IK
TSD
6 7 11
• S BOARD IC4704
U2861B
VCO
5kΩ
FM SIF 3
4 2 5
– 90 –
Pulse
Gen.
Pulse
TSD Gen.
CUOS 5V
+ +
Vref/VC2
– –
Level Shift
5V
4V 4V
Q
T
Q
Vref/VC2
Delay
Level Shift
5V
5V
Refresh
One Shot
0/3V
7V
2k
5 3 12 10
1 12 10 6 7
Bandgap
Reference
SW1
8 AF OUT2
SW2
14 13 11 9
KP-48PS2/61PS2
RM-903
1
18 VB
R Q
2 VG(H)
S Q
50k
19 VS
10V
15 VC2
16
VG(L)
50k
17 COM
5k
13 VOCP
20p 50k
0.2V
• G (1/2) BOARD IC6301
DM-58
1 3 4
R1
IC1
R2
5