Sony KP-ER43M31 / KP-ER43M61 / KP-ER43M90 / KP-ER43M91 / KP-ER53M31 / KP-ER53M61 / KP-ER53M90 / KP-ER53M91 (serv.man2) Service Manual ▷ View online
– 109 –
KP-ER43M31/M61/M90/M91,ER53M31/M61/M90/M91
RM-961
— ZR BOARD (CONDUCTOR SIDE) —
[DY,VM DRIVE]
ZR
*
3
1
Ref.
D7401
Q7401 – 7405, 7410
*
: Refer to Terminal name of
semiconductors in silk screen
printed circuit (see page 63)
printed circuit (see page 63)
• ZR BOARD
SEMICONDUCTOR LOCATION
SEMICONDUCTOR LOCATION
— ZB BOARD (CONDUCTOR SIDE) —
• ZB BOARD
SEMICONDUCTOR LOCATION
SEMICONDUCTOR LOCATION
*
3
1
Ref.
D7803
Q7801, 7804 – 7807,
Q7810
Q7810
*
: Refer to Terminal name of
semiconductors in silk screen
printed circuit (see page 63)
printed circuit (see page 63)
[DY,VM DRIVE]
ZB
— ZG BOARD (CONDUCTOR SIDE) —
*
3
1
Ref.
D7603
Q7601, 7604 – 7607,
Q7610
Q7610
*
: Refer to Terminal name of
semiconductors in silk screen
printed circuit (see page 63)
printed circuit (see page 63)
• ZG BOARD
SEMICONDUCTOR LOCATION
SEMICONDUCTOR LOCATION
[DY,VM DRIVE]
ZG
NOTE:
The circuit indicated as left contains high voltage of over
600 Vp-p. Care must be paid to prevent an electric shock in
inspection or repairing.
The circuit indicated as left contains high voltage of over
600 Vp-p. Care must be paid to prevent an electric shock in
inspection or repairing.
– 110 –
KP-ER43M31/M61/M90/M91, ER53M31/M61/M90/M91
RM-961
6-6. WAVEFORMS
1.4Vp-p (H)
2.0Vp-p (H)
2.1Vp-p (H)
1
2
3
•
A1(4/4) BOARD WAVEFORMS
NTSC
NTSC
NTSC
0.9Vp-p (H)
2.5Vp-p (H)
3.2Vp-p (13.8MHz)
3.4Vp-p (H)
1.1Vp-p (H)
1.1Vp-p (H)
1
2
3
4
5
6
•
B3(1/6) BOARD WAVEFORMS
3.4Vp-p (H)
3.2Vp-p (H)
1.1Vp-p (54MHz)
1.0Vp-p (54MHz)
3.5Vp-p (V)
3.4Vp-p (H)
1
2
3
4
5
6
7
8
9
• B3 (3/6) BOARD WAVEFORMS
3.1Vp-p (V)
3.5Vp-p (13.8MHz)
3.4Vp-p (H)
4.8Vp-p (H)
4.8Vp-p
1.0Vp-p (54MHz)
(V)
1
2
3
•
B3(2/6) BOARD WAVEFORMS
–
111
–
KP-ER43M31/M61/M90/M91, ER53M31/M61/M90/M91
RM-961
2.7Vp-p (23MHz)
1.2Vp-p (68.7MHz)
1.9Vp-p (V)
3.4Vp-p (V)
3.4Vp-p (H)
1.1Vp-p (54MHZ)
3.4Vp-p (H)
3.4Vp-p (V)
1.4Vp-p (54MHZ)
1.5Vp-p (17.26MHz)
1
2
3
4
5
6
7
8
9
0
•
B3(4/6) BOARD WAVEFORMS
1.1Vp-p (H)
1.1Vp-p (H)
1.1Vp-p (H)
1.0Vp-p (54MHz)
3.2Vp-p (20MHz)
5.0Vp-p (V)
3.4Vp-p (23MHz)
4.6Vp-p (36MHz)
1
2
3
4
5
6
7
8
9
•
B3(6/6) BOARD WAVEFORMS
3.2Vp-p (20MHz)
4.5Vp-p (20MHz)
2.1Vp-p (H)
2.1Vp-p (H)
1.0Vp-p (H)
0.4Vp-p (V)
0.8Vp-p (H)
0.7Vp-p (H)
1
2
3
4
5
6
7
•
BC4) BOARD WAVEFORMS
NTSC
NTSC
NTSC
NTSC
NTSC
NTSC
–
112
–
KP-ER43M31/M61/M90/M91, ER53M31/M61/M90/M91
RM-961
4.5Vp-p (8MHz)
5.1Vp-p (500kHz)
4.6Vp-p (V)
4.8Vp-p (H)
1
2
3
4
• BD (1/5) WAVE FORMS
4.6Vp-p (V)
4.8Vp-p (H)
1
2
3
4
5
6
7
8
• BD (2/5) WAVE FORMS
4.9Vp-p (V)
5.5Vp-p (16MHz)
5.1Vp-p (H)
4.5Vp-p (V)
3.5Vp-p (12MHz)
6.6Vp-p (32MHz)
1
2
• BD (3/5) WAVE FORMS
1.3Vp-p (V)
0.9Vp-p (V)
3
1.0Vp-p (V)
• BD (4/5) WAVE FORMS
1
2
3
2.1Vp-p (V)
1.4Vp-p (V)
1.9Vp-p (V)
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