Sony MZ-E800 Service Manual page 28

• Waveforms
1 IC501 1 (TE), IC601 oh (TE) 5 IC504 1, 2, IC551 3 (PWM1),
(PLAYBACK mode) IC601 <zxv> (SPVS),
200 mV/DIV, 50 ns/DIV IC801 yj (SPDL PWM)
(PLAYBACK mode)
2 V/DIV, 10 µs/DIV
Approx.
30 mVp-p
2 IC501 8, 9, 0, qa (IY, IX, JX, JY) 6 IC504 5, 6, IC505 1, 2, 5, 6,
(PLAYBACK mode) IC551 1, 2, rk (V1, U1, W1),
100 mV/DIV, 1 µs/DIV IC601 <zxm>, <zx,>, <zx.> (SPDU, SPDV, SPDW),
IC801 wf, wg, wh (CLV U, CLV V, CLV W)
(PLAYBACK mode)
1 V/DIV, 10 ms/DIV
Approx.
150 mVp-p
3 IC501 ed (RF OUT), IC601 uk (RFI) 7 IC551 ef, eg, eh (COW0, COV0, COU0),
(PLAYBACK mode) IC601 <zc/>, <zcz>, <zcx (SPCU, SPCV, SPCW)
400 mV/DIV, 5 µs/DIV (PLAYBACK mode)
1 V/DIV, 10 ms/DIV
Approx.
1.3 Vp-p
4 IC501 rs (FE), IC601 ij (FE) 8 IC601 w; (OSCO)
(PLAYBACK mode) 1 V/DIV, 20 ns/DIV
20 mV/DIV, 200 ns/DIV
Approx.
20 mVp-p
9 IC801 rg (XTAL)
1 V/DIV, 20 ns/DIV
2.3 Vp-p
59.1 ns
11.2 µ s
0 IC904 5 (EXT)
1 V/DIV, 5 µs/DIV
2.3 Vp-p
10 µ s
11 ms
qa IC907 5 (EXT)
1 V/DIV, 5 µs/DIV
2.3 Vp-p
10 µ s
12 ms
2.5 Vp-p
44.3 ns
– 37 –
• IC Block Diagrams
IC301 TA2131FL (EL)
18 17 16 15
PW MT BST
BEEP
2.3 Vp-p SW SW SW
MT TC 19
VCC1 20
ADD
INB 21
INA 22
BEEP PW PW
23
OUTB A B
BEEP
24
OUTA
1 2 3 4
2.7 Vp-p
IC501 SN761056CDBT
TE 1
REXT 2
Wpp-LPF 3
VREF
4
C 5
D 6
2.3 Vp-p
D-C
7
Tpp/Wpp
Iy 8
Ix
9
Jx 10
11
Jy
A 12
A-C 13
B 14
TON-C
15
CIG 16
CDN 17
PD-I
18
PD-NI 19
PD-O 20
ADIP 21
DVDD 22
14 13
VREF
V REF 12
11 LPF1
10 BST NF1
BST1
9 LPF2
BST2
8 BST NF2
7 BST OUT
BST
AGC
5 6
44 ADIP
43 S-MON
A+B+C+D TWpp
I+J PK/BTM
NPP Aw
TON CSLO
CSL VREF075
Aw+Dw A-C
S-MONITOR
TON Peak D-C
TON Botm Malfa
ADIP Mij
TE AwBPF
TE Dw
TEMP
DwBPF
42 FE
41 ABCD
AVCC
40
39 OFC-1
38 OFC-2
37 PS
36
LP
RF
35 EQ
34 AGND
FE
33 RFOUT
32 CCSL2
ABCD 31 VC
VREF075
30
29 PEAK
PEAK/BOTM
28 BOTM
DGND
27
OFTRK
26
T-ON
APC
25 XRST
SERIAL
24
SCK
I/F
23 SBUS
ADIP
– 38 –